:root {
      /* Palette Tokens - Dark Mode Default */
      --primary-color: #00d2ff;
      --primary-glow: rgba(0, 210, 255, 0.4);
      --primary-dark: #0072ff;
      --accent-purple: #9d4edd;
      --accent-purple-glow: rgba(157, 78, 221, 0.35);
      --ai-sparkle-color: #00f2fe;
      --bg-gradient: radial-gradient(circle at 15% 15%, #0c1222 0%, #060913 60%, #020408 100%);
      --card-bg: rgba(255, 255, 255, 0.05);
      --card-border: rgba(255, 255, 255, 0.16);
      --card-border-glow: rgba(0, 210, 255, 0.3);
      --text-main: #f8fafc;
      --text-secondary: #94a3b8;
      --border-color: rgba(255, 255, 255, 0.12);
      --active-item-bg: rgba(0, 210, 255, 0.15);
      --danger-color: #ff4d4f;
      --danger-glow: rgba(255, 77, 79, 0.3);
      --ok-color: #20e070;
      --ok-glow: rgba(32, 224, 112, 0.3);
      --warning-color: #fbbf24;
      --warning-bg: rgba(251, 191, 36, 0.15);
      --radius-xl: 28px;
      --radius-m: 14px;
      --radius-s: 10px;
      --shadow-glass: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.25);
      --shadow-soft: 0 15px 35px rgba(0, 0, 0, 0.4);
      --surface-glass: rgba(15, 22, 36, 0.68);
      --focus-ring: rgba(0, 210, 255, 0.4);
      --blob-opacity: 0.5;
      --transition-standard: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    }

    [data-theme="light"] {
      --primary-color: #0072ff;
      --primary-glow: rgba(0, 114, 255, 0.35);
      --primary-dark: #0056b3;
      --accent-purple: #7f00ff;
      --accent-purple-glow: rgba(127, 0, 255, 0.25);
      --ai-sparkle-color: #7f00ff;
      --bg-gradient: radial-gradient(circle at 15% 15%, #f0f7ff 0%, #e2edf8 60%, #d5e4f3 100%);
      --card-bg: rgba(255, 255, 255, 0.65);
      --card-border: rgba(255, 255, 255, 0.8);
      --card-border-glow: rgba(0, 114, 255, 0.25);
      --text-main: #0f172a;
      --text-secondary: #475569;
      --border-color: rgba(148, 163, 184, 0.25);
      --active-item-bg: rgba(0, 114, 255, 0.12);
      --danger-color: #ef4444;
      --danger-glow: rgba(239, 68, 68, 0.2);
      --ok-color: #10b981;
      --ok-glow: rgba(16, 185, 129, 0.2);
      --shadow-glass: 0 20px 40px rgba(0, 80, 140, 0.08), inset 0 1px 1px rgba(255, 255, 255, 0.8);
      --shadow-soft: 0 15px 35px rgba(0, 40, 90, 0.08);
      --surface-glass: rgba(255, 255, 255, 0.75);
      --focus-ring: rgba(0, 114, 255, 0.3);
      --blob-opacity: 0.4;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: "PingFang SC", "HarmonyOS Sans", "Microsoft YaHei", -apple-system, sans-serif;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      min-height: 100vh;
      min-height: 100dvh;
      width: 100vw;
      overflow: hidden;
      background: var(--bg-gradient);
      color: var(--text-main);
      isolation: isolate;
      -webkit-font-smoothing: antialiased;
      position: relative;
    }

    /* Ambient Liquid Background Blobs */
    .liquid-bg-blob {
      position: fixed;
      border-radius: 50%;
      filter: blur(95px);
      z-index: -1;
      pointer-events: none;
      opacity: var(--blob-opacity);
      animation: floatLiquid 22s ease-in-out infinite alternate;
      transition: opacity 0.5s ease;
    }

    .liquid-blob-1 {
      width: 550px; height: 550px;
      background: radial-gradient(circle, var(--primary-color) 0%, rgba(0, 114, 255, 0.15) 100%);
      top: -140px; left: -120px;
    }

    .liquid-blob-2 {
      width: 620px; height: 620px;
      background: radial-gradient(circle, var(--accent-purple) 0%, rgba(224, 0, 255, 0.15) 100%);
      bottom: -160px; right: -140px;
      animation-delay: -7s;
    }

    .liquid-blob-3 {
      width: 400px; height: 400px;
      background: radial-gradient(circle, var(--ok-color) 0%, rgba(0, 210, 255, 0.1) 100%);
      top: 45%; left: 48%;
      transform: translate(-50%, -50%);
      animation-delay: -14s;
    }

    @keyframes floatLiquid {
      0% { transform: translate(0, 0) scale(1) rotate(0deg); }
      50% { transform: translate(70px, 45px) scale(1.1) rotate(120deg); }
      100% { transform: translate(-50px, 90px) scale(0.92) rotate(240deg); }
    }

    /* Grid Line Overlay */
    body::before {
      content: "";
      position: fixed;
      inset: -48px;
      z-index: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
      background-size: 48px 48px;
      opacity: 0.7;
    }

    button, input, textarea {
      font: inherit;
      color: inherit;
    }

    button { cursor: pointer; }

    button:focus-visible, input:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--primary-color);
      box-shadow: 0 0 20px var(--primary-glow);
    }

    .view-container {
      position: absolute;
      inset: 0;
      z-index: 1;
      opacity: 0;
      pointer-events: none;
      filter: blur(24px);
      transform: scale(0.94);
      transition: opacity var(--transition-standard), transform var(--transition-standard), filter var(--transition-standard);
    }

    .view-container.active {
      opacity: 1;
      pointer-events: auto;
      transform: scale(1);
      filter: blur(0);
    }

    .view-container.exit {
      opacity: 0;
      pointer-events: none;
      transform: scale(1.05);
      filter: blur(28px);
    }

    /* Login View Styles */
    #login-view {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 24px;
    }

    #login-view.initial-enter {
      animation: initialEnter 0.8s var(--transition-standard) forwards;
    }

    @keyframes initialEnter {
      from { opacity: 0; transform: translateY(30px) scale(0.92); filter: blur(20px); }
      to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
    }

    .auth-card {
      width: min(92vw, 460px);
      max-height: calc(100dvh - 32px);
      overflow-y: auto;
      background: var(--surface-glass);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-glass);
      padding: 38px 32px;
      text-align: center;
      backdrop-filter: blur(32px) saturate(210%);
      position: relative;
    }

    .auth-brand-visual {
      position: relative;
      width: 104px;
      height: 104px;
      margin: 0 auto 20px;
    }

    .auth-brand-logo {
      display: block;
      width: 96px;
      height: 96px;
      border-radius: 18px;
      background: #fff;
      object-fit: contain;
      box-shadow: var(--shadow-soft);
    }

    .auth-avatar {
      position: absolute;
      right: 0;
      bottom: 0;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: 2px solid var(--surface-strong, #0f1624);
      background:
        radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.24) 0 16%, transparent 17%),
        radial-gradient(circle at 50% 84%, rgba(255, 255, 255, 0.18) 0 28%, transparent 29%),
        linear-gradient(135deg, rgba(0, 210, 255, 0.32), rgba(0, 114, 255, 0.22));
      display: grid;
      place-items: center;
      overflow: hidden;
      color: #fff;
      font-size: 12px;
      font-weight: 800;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
      transition: transform 180ms ease;
    }

    .auth-avatar:hover { transform: scale(1.05); }
    .auth-avatar img { width: 100%; height: 100%; object-fit: cover; display: none; }
    .auth-avatar.has-avatar { background: transparent; }

    .auth-card h1 {
      max-width: 25ch;
      margin: 0 auto 8px;
      font-size: 1.5rem;
      font-weight: 800;
      line-height: 1.22;
      overflow-wrap: anywhere;
    }

    .brand-acronym {
      display: inline-block;
      color: var(--primary-color);
      font-size: 0.78em;
      white-space: nowrap;
    }

    .auth-subtitle {
      margin-bottom: 24px;
      color: var(--text-secondary);
      font-size: 0.9375rem;
      line-height: 1.55;
    }

    .auth-switch {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6px;
      padding: 5px;
      margin-bottom: 24px;
      border-radius: 999px;
      background: rgba(0, 0, 0, 0.15);
      border: 1px solid var(--border-color);
      backdrop-filter: blur(12px);
    }

    .auth-switch button {
      border: 0;
      height: 42px;
      border-radius: 999px;
      background: transparent;
      color: var(--text-secondary);
      font-weight: 600;
      transition: all 0.3s ease;
    }

    .auth-switch button.active {
      background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
      color: #fff;
      box-shadow: 0 4px 15px var(--primary-glow);
    }

    .auth-panel { display: none; }
    .auth-panel.active { display: block; animation: panelFade 0.4s ease forwards; }

    @keyframes panelFade {
      from { opacity: 0; transform: translateY(8px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .input-group { margin-bottom: 18px; text-align: left; }
    .input-group label {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin: 0 0 8px 6px;
      color: var(--text-secondary);
      font-size: 13px;
      font-weight: 600;
    }

    .input-group input, .input-group textarea {
      width: 100%;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: rgba(0, 0, 0, 0.12);
      color: var(--text-main);
      font-size: 15px;
      backdrop-filter: blur(10px);
      transition: all 0.3s ease;
    }

    [data-theme="dark"] .input-group input,
    [data-theme="dark"] .input-group textarea {
      background: rgba(0, 0, 0, 0.28);
    }

    .input-group input { height: 50px; padding: 0 18px; }
    .input-group textarea { min-height: 120px; resize: vertical; padding: 14px 18px; line-height: 1.6; }

    .input-group input:focus, .input-group textarea:focus {
      border-color: var(--primary-color);
      background: rgba(255, 255, 255, 0.12);
      box-shadow: 0 0 20px var(--primary-glow);
    }

    .btn {
      width: 100%;
      height: 50px;
      border: 0;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
      color: #fff;
      font-size: 16px;
      font-weight: 600;
      box-shadow: 0 8px 25px var(--primary-glow);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px var(--primary-glow);
      filter: brightness(1.1);
    }

    .btn:active { transform: scale(0.98); }

    .btn.secondary {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid var(--border-color);
      color: var(--text-main);
      box-shadow: none;
    }

    .btn.ai-btn {
      background: linear-gradient(135deg, var(--accent-purple), var(--primary-dark));
      box-shadow: 0 8px 25px var(--accent-purple-glow);
    }

    .btn.inline { width: auto; min-width: 120px; padding: 0 22px; }

    .link-btn {
      background: transparent;
      border: 0;
      color: var(--primary-color);
      font-size: 13px;
      font-weight: 600;
      margin-top: 12px;
      transition: opacity 0.2s;
    }

    .message {
      display: none;
      margin: 16px 0 0;
      padding: 12px 16px;
      border-radius: var(--radius-m);
      background: var(--danger-glow);
      border: 1px solid var(--danger-color);
      color: var(--danger-color);
      font-size: 14px;
      backdrop-filter: blur(10px);
    }

    .message.show { display: block; animation: messageSlide 0.3s ease; }
    .message.ok { background: var(--ok-glow); border-color: var(--ok-color); color: var(--ok-color); }

    #main-view { display: flex; min-height: 100vh; width: 100vw; }

    .nav-bar {
      position: relative;
      z-index: 10;
      display: flex;
      background: var(--surface-glass);
      backdrop-filter: blur(28px) saturate(200%);
      border-right: 1px solid var(--border-color);
      transition: var(--transition-standard);
    }

    .brand-trigger {
      appearance: none;
      border: 0;
      border-radius: 12px;
      background: transparent;
      font: inherit;
      cursor: pointer;
    }

    .brand-trigger:hover .brand-copy > span {
      opacity: 1;
    }

    .brand {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      width: 100%;
      min-width: 0;
      padding: 0 10px 28px;
      color: var(--text-main);
    }

    .brand-logo {
      display: block;
      flex: 0 0 52px;
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: #fff;
      object-fit: contain;
      box-shadow: 0 4px 12px var(--primary-glow);
    }

    .brand-copy {
      display: grid;
      min-width: 0;
      gap: 2px;
      padding-top: 2px;
      text-align: left;
    }

    .brand-copy strong {
      color: var(--primary-color);
      font-size: 1.125rem;
      font-weight: 800;
      line-height: 1.15;
    }

    .brand-copy > span {
      color: var(--text-main);
      font-size: 0.75rem;
      font-weight: 700;
      line-height: 1.38;
      opacity: 0.76;
      overflow-wrap: anywhere;
    }

    .mobile-brand {
      display: none;
    }

    .login-theme-btn {
      position: absolute;
      top: 20px;
      right: 20px;
      z-index: 25;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 18px;
      border-radius: 999px;
      border: 1px solid var(--card-border);
      background: var(--surface-glass);
      color: var(--text-main);
      font-size: 13px;
      font-weight: 600;
      backdrop-filter: blur(20px);
      box-shadow: var(--shadow-glass);
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .login-theme-btn:hover {
      background: rgba(255, 255, 255, 0.18);
      transform: translateY(-2px);
    }

    .nav-item {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      cursor: pointer;
      color: var(--text-secondary);
      border: 0;
      background: transparent;
      transition: all 0.3s ease;
      font-weight: 600;
      border-radius: var(--radius-m);
    }

    .nav-item:hover { color: var(--text-main); background: rgba(255, 255, 255, 0.08); }

    .nav-item.active {
      color: #ffffff;
      background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
      box-shadow: 0 4px 20px var(--primary-glow);
    }

    .theme-toggle-btn {
      margin-top: auto;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 18px;
      border-radius: 999px;
      border: 1px solid var(--border-color);
      background: rgba(0, 0, 0, 0.1);
      color: var(--text-main);
      font-size: 14px;
      font-weight: 600;
      backdrop-filter: blur(10px);
      transition: all 0.3s ease;
    }

    .theme-toggle-btn:hover { background: rgba(255, 255, 255, 0.15); }

    .content-area {
      flex: 1;
      overflow-y: auto;
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      align-content: start;
      justify-items: center;
      padding: 36px clamp(20px, 4vw, 64px) 140px;
    }

    .tab-content {
      display: none;
      width: 100%;
      max-width: 1200px;
      animation: blurContentEnter 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
    }

    .tab-content.active { display: block; }

    @keyframes blurContentEnter {
      from { opacity: 0; transform: translateY(16px) scale(0.97); filter: blur(16px); }
      to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
    }

    .card {
      width: 100%;
      background: var(--surface-glass);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-xl);
      padding: clamp(24px, 3vw, 36px);
      box-shadow: var(--shadow-glass);
      margin-bottom: 24px;
      backdrop-filter: blur(28px) saturate(200%);
    }

    .card h2 { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
    .card p { color: var(--text-secondary); font-size: 14px; line-height: 1.6; }

    .feedback-tabs {
      display: inline-grid;
      grid-template-columns: 1fr 1fr;
      gap: 6px;
      padding: 5px;
      margin: 20px 0 20px;
      border: 1px solid var(--border-color);
      border-radius: 999px;
      background: rgba(0, 0, 0, 0.12);
      backdrop-filter: blur(10px);
    }

    .feedback-tabs button {
      height: 38px;
      min-width: 100px;
      padding: 0 16px;
      border-radius: 999px;
      border: 0;
      background: transparent;
      color: var(--text-secondary);
      font-weight: 600;
      transition: all 0.3s ease;
    }

    .feedback-tabs button.active {
      background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
      color: #fff;
      box-shadow: 0 4px 15px var(--primary-glow);
    }

    .feedback-panel { display: none; }
    .feedback-panel.active { display: block; animation: panelFade 0.3s ease; }

    .empty-state {
      min-height: 160px;
      display: grid;
      place-items: center;
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-m);
      color: var(--text-secondary);
      background: rgba(0, 0, 0, 0.05);
      font-size: 15px;
      backdrop-filter: blur(8px);
    }

    .feedback-list { display: grid; gap: 16px; }

    .feedback-item {
      border: 1px solid var(--card-border);
      border-radius: var(--radius-m);
      padding: 20px;
      background: rgba(255, 255, 255, 0.04);
      backdrop-filter: blur(16px);
      transition: all 0.3s ease;
    }

    .feedback-item:hover {
      border-color: var(--primary-color);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .status-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 72px;
      height: 26px;
      padding: 0 10px;
      border-radius: 999px;
      background: var(--active-item-bg);
      border: 1px solid var(--primary-color);
      color: var(--primary-color);
      font-size: 12px;
      font-weight: 700;
      line-height: 1;
      white-space: nowrap;
      backdrop-filter: blur(8px);
    }

    .status-badge.resolved { background: var(--ok-glow); border-color: var(--ok-color); color: var(--ok-color); }
    .status-badge.rejected { background: var(--danger-glow); border-color: var(--danger-color); color: var(--danger-color); }

    .mini-btn {
      min-height: 36px;
      padding: 0 16px;
      border: 1px solid var(--border-color);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.1);
      color: var(--text-main);
      font-weight: 600;
      font-size: 13px;
      transition: all 0.25s ease;
      backdrop-filter: blur(8px);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .mini-btn:hover { background: rgba(255, 255, 255, 0.2); }

    .mini-btn.primary {
      background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
      border: 0;
      color: white;
      box-shadow: 0 4px 15px var(--primary-glow);
    }

    .mini-btn.ai-btn {
      background: linear-gradient(135deg, var(--accent-purple), var(--primary-dark));
      border: 0;
      color: white;
      box-shadow: 0 4px 15px var(--accent-purple-glow);
    }

    .mini-btn.danger { background: var(--danger-glow); border-color: var(--danger-color); color: var(--danger-color); }

    .feedback-images {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
      gap: 10px;
      margin-top: 12px;
    }

    .feedback-images img, .preview-grid img {
      width: 100%;
      aspect-ratio: 1;
      border-radius: var(--radius-m);
      object-fit: cover;
      border: 1px solid var(--border-color);
      cursor: pointer;
      transition: transform 0.2s ease;
    }

    .feedback-images img:hover, .preview-grid img:hover { transform: scale(1.04); }

    .modal-mask {
      position: fixed;
      inset: 0;
      z-index: 40;
      display: none;
      place-items: center;
      padding: 24px;
      background: rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(20px) saturate(180%);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .modal-mask.active { display: grid; opacity: 1; }

    .modal-mask.active .modal {
      animation: glassModalEnter 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    @keyframes glassModalEnter {
      from { opacity: 0; transform: translateY(20px) scale(0.92); filter: blur(16px); }
      to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
    }

    .modal {
      width: min(92vw, 460px);
      max-height: calc(100dvh - 32px);
      overflow-y: auto;
      border-radius: var(--radius-xl);
      background: var(--surface-glass);
      border: 1px solid var(--card-border);
      box-shadow: var(--shadow-glass);
      padding: 28px;
      backdrop-filter: blur(32px) saturate(200%);
    }

    .modal.wide-modal { width: min(94vw, 760px); max-height: min(86dvh, 760px); }

    .modal-actions {
      display: flex;
      justify-content: flex-end;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 24px;
    }

    .user-capsule {
      position: fixed;
      right: 22px;
      bottom: 22px;
      z-index: 20;
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 220px;
      padding: 8px 14px 8px 8px;
      border: 1px solid var(--card-border);
      border-radius: 999px;
      background: var(--surface-glass);
      box-shadow: var(--shadow-glass);
      backdrop-filter: blur(20px);
      color: var(--text-main);
    }

    .user-capsule img {
      width: 42px; height: 42px;
      border-radius: 50%;
      object-fit: cover;
    }

    .ai-floating-btn {
      position: fixed;
      right: 22px;
      bottom: 82px;
      z-index: 20;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 18px;
      border-radius: 999px;
      border: 1px solid var(--card-border);
      background: linear-gradient(135deg, var(--accent-purple), var(--primary-dark));
      color: #fff;
      font-weight: 700;
      font-size: 13px;
      box-shadow: 0 8px 25px var(--accent-purple-glow);
      backdrop-filter: blur(20px);
      transition: all 0.3s ease;
    }

    .ai-floating-btn:hover {
      transform: scale(1.05);
      box-shadow: 0 12px 30px var(--accent-purple-glow);
    }

    .chat-box {
      display: flex;
      flex-direction: column;
      height: 360px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: rgba(0,0,0,0.15);
      padding: 14px;
      overflow-y: auto;
      gap: 12px;
      margin-top: 14px;
    }

    .chat-msg {
      max-width: 82%;
      padding: 10px 14px;
      border-radius: var(--radius-m);
      font-size: 14px;
      line-height: 1.5;
    }

    .chat-msg.user {
      align-self: flex-end;
      background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
      color: white;
    }

    .chat-msg.ai {
      align-self: flex-start;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid var(--border-color);
      color: var(--text-main);
    }

    .account-menu {
      position: fixed;
      right: 24px;
      bottom: 84px;
      z-index: 21;
      width: 180px;
      padding: 8px;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-m);
      background: var(--surface-glass);
      box-shadow: var(--shadow-glass);
      backdrop-filter: blur(24px);
      display: none;
    }

    .account-menu.active { display: block; animation: panelFade 0.2s ease; }

    .menu-item {
      width: 100%;
      height: 38px;
      padding: 0 12px;
      border: 0;
      border-radius: var(--radius-s);
      background: transparent;
      text-align: left;
      color: var(--text-main);
      font-weight: 600;
      font-size: 13px;
    }

    .menu-item:hover { background: var(--active-item-bg); color: var(--primary-color); }
    .menu-item.danger:hover { background: var(--danger-glow); color: var(--danger-color); }

    @media (min-width: 768px) {
      .nav-bar {
        flex-direction: column;
        width: clamp(240px, 18vw, 280px);
        min-width: clamp(240px, 18vw, 280px);
        min-height: 100vh;
        padding: 36px 16px;
      }
      .nav-item { height: 52px; padding: 0 20px; margin-bottom: 8px; font-size: 15px; }
    }

    @media (max-width: 767px) {
      #main-view { flex-direction: column; }
      .mobile-brand {
        display: flex;
        position: fixed;
        top: 0; left: 0; right: 0;
        z-index: 18;
        align-items: center; gap: 12px;
        height: calc(56px + env(safe-area-inset-top));
        padding: env(safe-area-inset-top) 18px 0;
        background: var(--surface-glass);
        border-bottom: 1px solid var(--border-color);
        backdrop-filter: blur(24px);
        color: var(--primary-color);
        font-weight: 800;
        font-size: 17px;
      }
      .nav-bar {
        position: fixed;
        left: 10px; right: 10px;
        bottom: max(10px, env(safe-area-inset-bottom));
        z-index: 18;
        height: 60px; width: auto;
        border: 1px solid var(--card-border);
        border-radius: 22px;
        background: var(--surface-glass);
        box-shadow: var(--shadow-glass);
        justify-content: flex-start;
        padding: 5px; gap: 4px;
        backdrop-filter: blur(24px);
        overflow-x: auto;
      }
      .brand, .theme-toggle-btn { display: none; }
      .nav-item { flex: 0 0 auto; min-width: 68px; justify-content: center; height: 50px; padding: 0 10px; font-size: 12px; border-radius: 16px; }
      .content-area { height: 100dvh; padding: calc(68px + env(safe-area-inset-top)) 14px calc(92px + env(safe-area-inset-bottom)); }
      .card { padding: 20px 16px; border-radius: 20px; }
      .user-capsule { display: none; }
      .ai-floating-btn { bottom: 80px; right: 14px; padding: 8px 14px; font-size: 12px; }
    }

    /* Production layout extensions for the original crowdfunding workflows. */
    :root {
      color-scheme: dark;
      --surface-muted: rgba(255, 255, 255, 0.055);
      --surface-inset: rgba(0, 0, 0, 0.16);
      --surface-strong: rgba(15, 22, 36, 0.92);
      --table-head-bg: rgba(0, 210, 255, 0.09);
      --backdrop-color: rgba(2, 6, 14, 0.72);
    }

    [data-theme="light"] {
      color-scheme: light;
      --surface-muted: rgba(255, 255, 255, 0.46);
      --surface-inset: rgba(15, 23, 42, 0.045);
      --surface-strong: rgba(255, 255, 255, 0.94);
      --table-head-bg: rgba(0, 114, 255, 0.075);
      --backdrop-color: rgba(15, 23, 42, 0.48);
    }

    html,
    body {
      max-width: 100%;
    }

    img,
    svg {
      max-width: 100%;
    }

    button,
    input,
    textarea,
    select {
      letter-spacing: 0;
    }

    .input-group select {
      width: 100%;
      height: 46px;
      padding: 0 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: var(--surface-inset);
      color: var(--text-main);
      outline: none;
    }

    button:disabled,
    input:disabled,
    textarea:disabled,
    select:disabled {
      cursor: not-allowed;
      opacity: 0.55;
      filter: saturate(0.55);
      box-shadow: none;
    }

    button:active:not(:disabled),
    .mini-btn:active:not(:disabled),
    .theme-toggle-btn:active:not(:disabled),
    .login-theme-btn:active:not(:disabled) {
      transform: scale(0.97);
    }

    .auth-card h1,
    .card h2,
    .card h3,
    .modal h3 {
      letter-spacing: 0;
      text-wrap: balance;
    }

    .btn,
    .mini-btn,
    .nav-item,
    .feedback-tabs button,
    .auth-switch button,
    .login-theme-btn,
    .theme-toggle-btn {
      align-items: center;
      justify-content: center;
      text-align: center;
      line-height: 1.25;
      white-space: normal;
    }

    .nav-item {
      justify-content: center;
      text-align: center;
    }

    .mini-btn {
      min-height: 40px;
    }

    .feedback-tabs button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .file-input {
      position: absolute !important;
      width: 1px !important;
      height: 1px !important;
      padding: 0 !important;
      margin: -1px !important;
      overflow: hidden !important;
      clip: rect(0, 0, 0, 0) !important;
      white-space: nowrap !important;
      border: 0 !important;
    }

    .preview-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(92px, 132px));
      gap: 10px;
      margin-top: 12px;
    }

    .preview-grid:empty {
      display: none;
    }

    .modal {
      overscroll-behavior: contain;
      scrollbar-gutter: stable;
    }

    .modal h3 {
      margin-bottom: 8px;
      font-size: 22px;
      line-height: 1.35;
    }

    .modal[role="dialog"]:focus {
      outline: 2px solid var(--primary-color);
      outline-offset: 3px;
    }

    .modal > p,
    .modal form > p,
    .modal [data-ui~="dialog-message"] {
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.65;
      text-wrap: pretty;
      white-space: pre-line;
    }

    .modal-actions > * {
      margin-left: 0 !important;
    }

    .modal-actions .btn.inline {
      min-width: 116px;
    }

    #system-dialog-input-group[hidden] {
      display: none !important;
    }

    #system-dialog-actions .btn[data-variant="danger"] {
      background: var(--danger-color);
      box-shadow: 0 6px 18px var(--danger-glow);
    }

    .status-badge[data-state="resolved"] {
      background: var(--ok-glow);
      border-color: var(--ok-color);
      color: var(--ok-color);
    }

    .status-badge[data-state="rejected"] {
      background: var(--danger-glow);
      border-color: var(--danger-color);
      color: var(--danger-color);
    }

    .status-badge[data-state="pending"],
    .status-badge[data-ui~="state-pending"] {
      background: var(--warning-bg);
      border-color: var(--warning-color);
      color: var(--warning-color);
    }

    .status-badge[data-state="neutral"] {
      background: var(--surface-inset);
      border-color: var(--border-color);
      color: var(--text-secondary);
    }

    [data-ui~="item-head"],
    [data-ui~="person-head"],
    [data-ui~="transaction-head"],
    [data-ui~="balance-alert-head"] {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 14px;
      min-width: 0;
    }

    [data-ui~="item-head"] {
      margin-bottom: 14px;
    }

    [data-ui~="item-head"] > *,
    [data-ui~="person-head"] > *,
    [data-ui~="workspace-title"] > *,
    [data-ui~="section-heading"] > * {
      min-width: 0;
    }

    [data-ui~="meta"],
    [data-ui~="person-qq"],
    [data-ui~="transaction-meta"],
    [data-ui~="capsule-meta"],
    [data-ui~="hint"],
    [data-ui~="import-status"] {
      color: var(--text-secondary);
      font-size: 12px;
      line-height: 1.55;
      overflow-wrap: anywhere;
    }

    [data-ui~="copy"] {
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.65;
      white-space: pre-wrap;
      overflow-wrap: anywhere;
      text-wrap: pretty;
    }

    [data-ui~="result-title"],
    [data-ui~="person-name"],
    [data-ui~="transaction-title"] {
      color: var(--text-main);
      font-size: 16px;
      font-weight: 750;
      line-height: 1.4;
      overflow-wrap: anywhere;
    }

    [data-ui~="result-amount"],
    [data-ui~="transaction-amount"],
    [data-ui~="coin-balance"] {
      color: var(--primary-color);
      font-variant-numeric: tabular-nums;
      font-weight: 800;
    }

    [data-ui~="result-amount"] {
      margin: 10px 0;
      font-size: 25px;
      line-height: 1.25;
      overflow-wrap: anywhere;
    }

    [data-ui~="result-panel"],
    [data-ui~="calculation"],
    [data-ui~="participation-status"] {
      margin-top: 14px;
      padding: 14px 16px;
      border-radius: var(--radius-m);
      background: var(--surface-inset);
      border: 1px solid var(--border-color);
    }

    [data-ui~="result-panel"] > * + * {
      margin-top: 6px;
    }

    [data-ui~="key-values"] {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
      gap: 0 18px;
      margin-top: 12px;
    }

    [data-ui~="key-value"] {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      min-width: 0;
      padding: 10px 0;
      border-bottom: 1px solid var(--border-color);
      font-variant-numeric: tabular-nums;
    }

    [data-ui~="key-value"] > span {
      flex: 0 1 auto;
      color: var(--text-secondary);
      font-size: 12px;
      line-height: 1.45;
    }

    [data-ui~="key-value"] > strong {
      min-width: 0;
      color: var(--text-main);
      font-size: 13px;
      font-weight: 700;
      line-height: 1.45;
      text-align: right;
      overflow-wrap: anywhere;
    }

    [data-ui~="item-actions"] {
      justify-content: flex-start;
      margin-top: 16px;
    }

    [data-ui~="project-actions"] {
      justify-content: flex-end;
    }

    [data-ui~="user-summary"] {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }

    [data-ui~="user-summary"] img {
      flex: 0 0 42px;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      object-fit: cover;
      box-shadow: inset 0 0 0 1px var(--border-color);
    }

    [data-ui~="user-summary"] strong,
    [data-ui~="user-summary"] span {
      display: block;
      overflow-wrap: anywhere;
    }

    [data-ui~="user-summary"] span {
      margin-top: 3px;
      color: var(--text-secondary);
      font-size: 12px;
      line-height: 1.45;
    }

    [data-ui~="upload"] {
      position: relative;
    }

    [data-ui~="upload-row"] {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }

    [data-ui~="file-trigger"] {
      cursor: pointer;
      user-select: none;
    }

    [data-ui~="drop-zone"] {
      display: grid;
      min-height: 154px;
      place-items: center;
      padding: 24px;
      border: 1px dashed var(--primary-color);
      border-radius: var(--radius-m);
      background: var(--active-item-bg);
      color: var(--text-secondary);
      text-align: center;
      cursor: pointer;
      transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
    }

    [data-ui~="drop-zone"] strong,
    [data-ui~="drop-zone"] span {
      display: block;
    }

    [data-ui~="drop-zone"] strong {
      margin-bottom: 5px;
      color: var(--text-main);
      font-size: 15px;
    }

    [data-ui~="drop-zone"][data-dragging="true"] {
      background: var(--primary-glow);
      transform: scale(0.99);
    }

    [data-ui~="workspace-shell"] {
      overflow: hidden;
    }

    [data-ui~="workspace-header"] {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding-bottom: 22px;
      border-bottom: 1px solid var(--border-color);
    }

    [data-ui~="workspace-title"],
    [data-ui~="mobile-brand-copy"],
    [data-ui~="import-copy"] {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    [data-ui~="workspace-mark"],
    [data-ui~="file-mark"] {
      display: grid;
      flex: 0 0 auto;
      place-items: center;
      color: #fff;
      font-weight: 800;
      box-shadow: 0 4px 14px var(--primary-glow);
    }

    [data-ui~="workspace-mark"] {
      width: 46px;
      height: 46px;
      border-radius: 11px;
      background: #fff;
      object-fit: contain;
    }

    [data-ui~="workspace-actions"] {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 10px;
    }

    [data-ui~="workspace-mode"],
    [data-ui~="launch-method"] {
      margin: 0;
    }

    [data-ui~="workspace-body"] {
      padding-top: 22px;
    }

    [data-ui~="launch-panel"] {
      padding: 4px 0;
    }

    [data-ui~="section-heading"] {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 18px;
    }

    [data-ui~="section-heading"] h3 {
      margin: 0 0 4px;
      font-size: 18px;
      line-height: 1.35;
    }

    [data-ui~="section-heading"] p {
      margin: 0;
    }

    [data-ui~="form-grid"] {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 0 18px;
    }

    [data-ui~="note-field"] textarea {
      min-height: 104px;
    }

    [data-ui~="form-actions"] {
      margin-top: 8px;
    }

    [data-ui~="project-preview"]:not(:empty) {
      margin-bottom: 18px;
      padding: 14px 16px;
      border-radius: var(--radius-m);
      background: var(--active-item-bg);
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.6;
    }

    [data-ui~="historical-import"] {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 12px 18px;
      margin-bottom: 24px;
    }

    [data-ui~="historical-import"] [data-ui~="upload"] {
      margin: 0;
    }

    [data-ui~="file-mark"] {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-s);
      background: linear-gradient(135deg, var(--ok-color), var(--primary-dark));
      font-size: 11px;
    }

    [data-ui~="import-copy"] h3 {
      margin-bottom: 3px;
      font-size: 16px;
    }

    [data-ui~="import-status"] {
      grid-column: 1 / -1;
      min-height: 19px;
      color: var(--ok-color);
    }

    [data-ui~="project-list-heading"] {
      padding-top: 2px;
    }

    [data-ui~="project"] {
      overflow: hidden;
    }

    [data-ui~="project-head"] {
      align-items: center;
    }

    [data-ui~="project-total"] {
      display: grid;
      flex: 0 0 auto;
      justify-items: end;
      gap: 4px;
      min-width: 132px;
      font-variant-numeric: tabular-nums;
      text-align: right;
    }

    [data-ui~="project-total"] > strong {
      color: var(--primary-color);
      font-size: 20px;
      line-height: 1.2;
    }

    [data-ui~="project-ledger"] {
      margin: 2px 0 0;
    }

    [data-ui~="participant-view"] > * + * {
      margin-top: 18px;
    }

    [data-ui~="project-summary"] {
      min-height: 96px;
    }

    [data-ui~="participation-actions"] {
      padding-top: 4px;
    }

    [data-ui~="amount-options"] {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
    }

    [data-ui~="amount-option"],
    [data-collection-amount] {
      width: 100%;
      min-height: 52px;
      font-variant-numeric: tabular-nums;
    }

    [data-ui~="amount-option"] strong {
      font-size: 18px;
    }

    [data-ui~="amount-option"][aria-pressed="false"] {
      border: 1px solid var(--border-color);
      background: var(--surface-muted);
      color: var(--text-main);
      box-shadow: none;
    }

    [data-ui~="amount-option"][aria-pressed="true"] {
      box-shadow: 0 4px 15px var(--primary-glow), inset 0 0 0 1px rgba(255, 255, 255, 0.24);
    }

    [data-ui~="amount-grid"] {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(240px, 0.8fr);
      align-items: end;
      gap: 16px;
      margin-top: 18px;
    }

    [data-ui~="amount-grid"] .input-group {
      margin-bottom: 0;
    }

    [data-ui~="calculation"] {
      min-height: 50px;
      margin-top: 0;
      display: flex;
      align-items: center;
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.5;
    }

    [data-ui~="primary-action"] {
      margin-top: 18px;
    }

    [data-ui~="loading"] {
      min-height: 76px;
      display: grid;
      place-items: center;
      color: var(--text-secondary);
      font-size: 14px;
    }

    [data-ui~="metrics"] {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
      gap: 10px;
      margin: 16px 0;
    }

    [data-ui~="metric"] {
      display: grid;
      gap: 5px;
      min-width: 0;
      padding: 12px 14px;
      border-radius: var(--radius-s);
      background: var(--surface-inset);
      font-variant-numeric: tabular-nums;
    }

    [data-ui~="metric"] span {
      color: var(--text-secondary);
      font-size: 12px;
    }

    [data-ui~="metric"] strong {
      color: var(--text-main);
      font-size: 17px;
      line-height: 1.35;
      overflow-wrap: anywhere;
    }

    [data-ui~="table-scroll"] {
      width: 100%;
      margin-top: 14px;
      overflow: auto;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      overscroll-behavior-inline: contain;
      scrollbar-gutter: stable;
    }

    [data-ui~="import-table"],
    [data-ui~="settlement-table"] {
      width: 100%;
      min-width: 760px;
      border-collapse: collapse;
      color: var(--text-main);
      font-size: 13px;
      font-variant-numeric: tabular-nums;
    }

    [data-ui~="import-table"] th,
    [data-ui~="import-table"] td,
    [data-ui~="settlement-table"] th,
    [data-ui~="settlement-table"] td {
      padding: 11px 12px;
      border-bottom: 1px solid var(--border-color);
      text-align: left;
      vertical-align: middle;
    }

    [data-ui~="import-table"] th,
    [data-ui~="settlement-table"] th {
      position: sticky;
      top: 0;
      z-index: 1;
      background: var(--surface-strong);
      color: var(--text-secondary);
      font-size: 12px;
      font-weight: 700;
      white-space: nowrap;
    }

    [data-ui~="import-table"] tbody tr:last-child td,
    [data-ui~="settlement-table"] tbody tr:last-child td {
      border-bottom: 0;
    }

    [data-ui~="import-table"] .input-group {
      min-width: 112px;
      margin: 0;
    }

    [data-ui~="import-table"] input {
      height: 42px;
      padding: 0 12px;
      border-radius: var(--radius-s);
    }

    [data-ui~="match-result"] {
      display: grid;
      min-width: 176px;
      gap: 3px;
    }

    [data-ui~="match-result"] span {
      color: var(--text-secondary);
      font-size: 11px;
      line-height: 1.45;
    }

    [data-ui~="historical-dialog"] {
      width: min(96vw, 1080px);
      max-height: calc(100dvh - 32px);
    }

    [data-ui~="profile-grid"] {
      display: grid;
      grid-template-columns: 148px minmax(0, 1fr);
      align-items: start;
      gap: 22px;
      margin-top: 22px;
    }

    [data-ui~="profile-avatar"] {
      width: 148px;
      height: 148px;
      border-radius: 50%;
      object-fit: cover;
      box-shadow: 0 0 0 1px var(--card-border), 0 8px 18px rgba(0, 0, 0, 0.12);
    }

    [data-ui~="profile-actions"] {
      grid-column: 1 / -1;
      justify-content: flex-start;
      margin-top: 0;
    }

    [data-ui~="people-grid"] {
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
      align-items: start;
      margin-top: 20px;
    }

    [data-ui~="coin-account-heading"] {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 20px;
    }

    [data-ui~="coin-account-tabs"],
    [data-ui~="coin-system-tabs"] {
      grid-template-columns: repeat(3, minmax(0, 1fr));
      margin: 0;
    }

    [data-ui~="coin-account-tabs"] button,
    [data-ui~="coin-system-tabs"] button {
      min-width: 112px;
    }

    [data-ui~="coin-account-panel"] {
      margin-top: 22px;
    }

    [data-ui~="coin-account-panel"][hidden],
    [data-ui~="coin-system-panel"][hidden] {
      display: none !important;
    }

    [data-ui~="coin-account-panel"] > * + *,
    #coin-account-overview > * + * {
      margin-top: 16px;
    }

    [data-ui~="milk-tea-entitlement-card"] {
      border-color: color-mix(in srgb, var(--primary-color) 42%, var(--border-color));
    }

    [data-ui~="entitlement-note"] {
      margin-top: 14px;
      padding: 12px 14px;
      border-radius: var(--radius-s);
      background: var(--active-item-bg);
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.6;
    }

    [data-ui~="entitlement-note"][data-state="warning"] {
      border: 1px solid var(--warning-color);
      background: var(--warning-bg);
      color: var(--warning-color);
    }

    [data-ui~="coin-ledger-list"] {
      display: grid;
      margin-top: 12px;
    }

    [data-ui~="coin-ledger-row"] {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      padding: 13px 0;
      border-top: 1px solid var(--border-color);
    }

    [data-ui~="coin-ledger-row"] > div {
      display: grid;
      min-width: 0;
      gap: 4px;
    }

    [data-ui~="coin-ledger-row"] strong {
      font-size: 14px;
      line-height: 1.4;
    }

    [data-ui~="coin-ledger-row"] span,
    [data-ui~="coin-ledger-row"] time {
      color: var(--text-secondary);
      font-size: 12px;
      line-height: 1.55;
      overflow-wrap: anywhere;
    }

    [data-ui~="coin-ledger-row"] time {
      white-space: nowrap;
      font-variant-numeric: tabular-nums;
    }

    [data-ui~="coin-transfer-notice"] {
      display: grid;
      gap: 10px;
      margin-top: 10px;
    }

    [data-ui~="coin-transfer-notice"] dl {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px 14px;
      margin: 0;
    }

    [data-ui~="coin-transfer-notice"] dl > div {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      gap: 8px;
      align-items: baseline;
      min-width: 0;
    }

    [data-ui~="coin-transfer-notice"] dt,
    [data-ui~="coin-transfer-notice"] dd {
      margin: 0;
      font-size: 13px;
      line-height: 1.5;
      overflow-wrap: anywhere;
    }

    [data-ui~="coin-transfer-notice"] dt {
      color: var(--text-secondary);
    }

    [data-ui~="coin-transfer-notice"] dd {
      color: var(--text-main);
      font-weight: 650;
      font-variant-numeric: tabular-nums;
    }

    [data-ui~="coin-system-workspace"] {
      margin-top: 20px;
      padding: 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: var(--surface-inset);
    }

    [data-ui~="coin-system-tabs"] {
      margin-top: 16px;
    }

    [data-ui~="coin-system-panel"] {
      margin-top: 12px;
    }

    [data-ui~="coin-system-panel"] [data-ui~="coin-inventory-summary"] {
      margin-top: 0;
      background: var(--surface-muted);
    }

    [data-ui~="entitlement-toolbar"] {
      display: grid;
      grid-template-columns: minmax(0, 2fr) minmax(190px, 1fr);
      gap: 12px;
      margin-bottom: 14px;
    }

    [data-ui~="entitlement-toolbar"] .input-group {
      margin-bottom: 0;
    }

    [data-ui~="entitlement-account"] [data-ui~="person-head"] {
      display: grid;
      grid-template-columns: 48px minmax(0, 1fr) auto;
      align-items: center;
    }

    [data-ui~="entitlement-account"] [data-ui~="person-head"] > img {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      object-fit: cover;
    }

    [data-ui~="coin-inventory-summary"] {
      margin-top: 20px;
      padding: 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: var(--surface-inset);
    }

    [data-ui~="coin-inventory-summary"] > [data-ui~="item-head"] {
      margin-bottom: 2px;
    }

    [data-ui~="inventory-activity"] {
      display: grid;
      gap: 8px;
      margin-top: 14px;
    }

    [data-ui~="inventory-allocation-row"] {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto auto;
      align-items: center;
      gap: 12px;
      min-width: 0;
      padding-top: 8px;
      border-top: 1px solid var(--border-color);
      color: var(--text-secondary);
      font-size: 12px;
      font-variant-numeric: tabular-nums;
    }

    [data-ui~="inventory-allocation-row"] span {
      overflow-wrap: anywhere;
    }

    [data-ui~="inventory-allocation-row"] strong {
      color: var(--text-main);
      white-space: nowrap;
    }

    [data-ui~="inventory-allocation-row"] time {
      white-space: nowrap;
    }

    [data-ui~="account-search-results"] {
      display: grid;
      gap: 6px;
      max-height: 260px;
      margin-top: 8px;
      overflow-y: auto;
    }

    [data-ui~="account-search-option"] {
      display: grid;
      grid-template-columns: 40px minmax(0, 1fr) auto;
      align-items: center;
      gap: 10px;
      width: 100%;
      min-height: 52px;
      padding: 6px 10px;
      border: 1px solid transparent;
      border-radius: var(--radius-s);
      background: var(--surface-inset);
      text-align: left;
      transition: background 160ms ease, border-color 160ms ease;
    }

    [data-ui~="account-search-option"]:hover,
    [data-ui~="account-search-option"][aria-selected="true"] {
      border-color: var(--primary-color);
      background: var(--active-item-bg);
    }

    [data-ui~="account-search-option"] img,
    [data-ui~="selected-account"] img {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      object-fit: cover;
      box-shadow: inset 0 0 0 1px var(--border-color);
    }

    [data-ui~="account-search-option"] > span,
    [data-ui~="selected-account"] > span {
      display: grid;
      min-width: 0;
      gap: 2px;
    }

    [data-ui~="account-search-option"] strong,
    [data-ui~="selected-account"] strong {
      overflow-wrap: anywhere;
    }

    [data-ui~="account-search-option"] small,
    [data-ui~="selected-account"] small {
      color: var(--text-secondary);
      font-size: 11px;
      overflow-wrap: anywhere;
    }

    [data-ui~="selected-account"] {
      display: grid;
      grid-template-columns: 40px minmax(0, 1fr) auto;
      align-items: center;
      gap: 10px;
      margin: 12px 0;
      padding: 10px;
      border-radius: var(--radius-s);
      background: var(--active-item-bg);
    }

    [data-ui~="selected-account"][hidden] {
      display: none;
    }

    [data-ui~="person"] {
      min-width: 0;
    }

    [data-ui~="person-head"] {
      align-items: center;
      justify-content: flex-start;
      margin-bottom: 12px;
    }

    [data-ui~="person-head"] img {
      flex: 0 0 52px;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      object-fit: cover;
      box-shadow: inset 0 0 0 1px var(--border-color);
    }

    [data-ui~="person-name"] {
      font-size: 17px;
    }

    [data-ui~="coin-balance"][data-negative="true"],
    [data-negative="true"][data-balance-action="correct"] {
      color: var(--danger-color);
    }

    [data-negative="true"][data-balance-action="correct"] {
      border-color: var(--danger-color);
      background: var(--danger-glow);
      box-shadow: none;
    }

    [data-ui~="balance-alert"] {
      margin-top: 14px;
      padding: 13px 14px;
      border: 1px solid var(--danger-color);
      border-radius: var(--radius-m);
      background: var(--danger-glow);
      color: var(--danger-color);
    }

    [data-ui~="balance-alert-head"] {
      align-items: center;
      justify-content: flex-start;
    }

    [data-ui~="balance-alert"] p {
      margin-top: 8px;
      color: currentColor;
      font-size: 13px;
    }

    [data-ui~="transaction-ledger"] {
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px solid var(--border-color);
    }

    [data-ui~="transaction-ledger-title"] {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 8px;
      font-size: 14px;
      font-weight: 700;
    }

    [data-ui~="transaction"] {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid var(--border-color);
    }

    [data-ui~="transaction"]:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    [data-ui~="transaction-main"] {
      min-width: 0;
    }

    [data-ui~="transaction-head"] {
      align-items: center;
      justify-content: flex-start;
      flex-wrap: wrap;
      gap: 7px;
    }

    [data-ui~="transaction-title"] {
      font-size: 13px;
    }

    [data-ui~="transaction-amount"] {
      font-size: 14px;
    }

    [data-ui~="donation-panel"] {
      margin-top: 22px;
    }

    [data-ui~="donation-list"] {
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
    }

    [data-ui~="donation-method"] {
      display: grid;
      justify-items: center;
      text-align: center;
    }

    [data-ui~="donation-title"] {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      gap: 12px;
      margin-bottom: 14px;
      font-size: 16px;
      font-weight: 750;
    }

    [data-ui~="donation-title"] span {
      padding: 4px 9px;
      border-radius: 999px;
      background: var(--active-item-bg);
      color: var(--primary-color);
      font-size: 11px;
    }

    [data-ui~="donation-method"] > img {
      width: min(100%, 236px);
      aspect-ratio: 1;
      border-radius: var(--radius-m);
      object-fit: contain;
      background: #fff;
      box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
      cursor: pointer;
    }

    [data-ui~="donation-note"] {
      margin-top: 14px;
      color: var(--text-secondary);
      font-size: 12px;
      line-height: 1.55;
      text-align: center;
    }

    [data-ui~="flow-progress"] {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 6px;
      margin: 18px 0 20px;
      list-style: none;
      counter-reset: collection-step;
    }

    [data-ui~="flow-progress"] li {
      display: grid;
      justify-items: center;
      gap: 5px;
      min-width: 0;
      color: var(--text-secondary);
      font-size: 11px;
      line-height: 1.3;
      text-align: center;
      counter-increment: collection-step;
    }

    [data-ui~="flow-progress"] li::before {
      content: counter(collection-step);
      display: grid;
      width: 28px;
      height: 28px;
      place-items: center;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      background: var(--surface-inset);
      color: var(--text-secondary);
      font-weight: 750;
    }

    [data-ui~="flow-progress"] li[data-state="active"] {
      color: var(--primary-color);
      font-weight: 700;
    }

    [data-ui~="flow-progress"] li[data-state="active"]::before {
      border-color: var(--primary-color);
      background: var(--active-item-bg);
      color: var(--primary-color);
      box-shadow: 0 0 14px var(--primary-glow);
    }

    [data-ui~="flow-progress"] li[data-state="done"]::before {
      border-color: var(--ok-color);
      background: var(--ok-glow);
      color: var(--ok-color);
    }

    [data-ui~="flow-body"] {
      min-height: 160px;
    }

    [data-ui~="provider-grid"] {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      margin-top: 18px;
    }

    [data-ui~="provider-option"] {
      min-height: 48px;
    }

    [data-ui~="provider-option"][data-selected="true"] {
      border-color: var(--primary-color);
      background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
      color: #fff;
      box-shadow: 0 4px 15px var(--primary-glow);
    }

    [data-ui~="qr-stage"] {
      display: grid;
      justify-items: center;
      gap: 10px;
      margin-top: 18px;
      padding: 18px;
      border-radius: var(--radius-m);
      background: var(--surface-inset);
      text-align: center;
    }

    [data-ui~="qr-stage"] img {
      width: min(100%, 260px);
      aspect-ratio: 1;
      border-radius: var(--radius-m);
      object-fit: contain;
      background: #fff;
      box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
      cursor: pointer;
    }

    [data-ui~="completion-stage"] {
      display: grid;
      justify-items: center;
      gap: 16px;
      padding: 14px 0 4px;
      text-align: center;
    }

    [data-ui~="completion-mark"] {
      display: grid;
      width: 66px;
      height: 66px;
      place-items: center;
      border-radius: 50%;
      background: var(--ok-glow);
      box-shadow: 0 0 20px var(--ok-glow);
    }

    [data-ui~="completion-check"] {
      width: 16px;
      height: 29px;
      border-right: 4px solid var(--ok-color);
      border-bottom: 4px solid var(--ok-color);
      transform: rotate(45deg) translate(-2px, -2px);
    }

    [data-ui~="image-viewer-dialog"] {
      display: grid;
      width: min(94vw, 1400px);
      max-height: calc(100dvh - 32px);
      grid-template-rows: 44px minmax(0, 1fr);
      gap: 8px;
      justify-items: end;
    }

    [data-ui~="image-viewer-close"] {
      display: grid;
      width: 44px;
      height: 44px;
      place-items: center;
      padding: 0;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-s);
      background: var(--surface-glass);
      color: var(--text-main);
      font: inherit;
      font-size: 24px;
      line-height: 1;
      cursor: pointer;
    }

    [data-ui~="image-viewer-close"]:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
    }

    [data-ui~="image-viewer-close"]:focus-visible {
      outline: 3px solid var(--primary-glow);
      outline-offset: 2px;
    }

    [data-ui~="image-viewer"] {
      display: block;
      width: auto;
      max-width: 100%;
      max-height: calc(100dvh - 84px);
      margin: auto;
      border-radius: var(--radius-m);
      object-fit: contain;
      box-shadow: var(--shadow-soft);
    }

    [data-ui~="onboarding-layer"] {
      padding: 0;
      background: transparent;
      backdrop-filter: none;
      overflow: hidden;
    }

    [data-ui~="onboarding-layer"].active {
      display: block;
    }

    [data-ui~="onboarding-backdrop"] {
      position: absolute;
      z-index: 1;
      background: var(--backdrop-color);
      backdrop-filter: blur(5px);
    }

    [data-ui~="onboarding-highlight"] {
      position: absolute;
      z-index: 2;
      border: 2px solid var(--primary-color);
      border-radius: var(--radius-m);
      box-shadow: 0 0 0 4px var(--primary-glow), 0 0 24px var(--primary-glow);
      pointer-events: none;
    }

    [data-ui~="onboarding-card"] {
      position: absolute;
      z-index: 3;
      width: min(92vw, 430px);
      max-height: min(80dvh, 520px);
    }

    [data-ui~="onboarding-step"] {
      margin-bottom: 12px;
    }

    [data-ui~="onboarding-actions"] {
      align-items: center;
      justify-content: space-between;
    }

    [data-ui~="onboarding-actions"] > div:last-child {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 8px;
    }

    [data-ui~="onboarding-progress"] {
      display: flex;
      gap: 6px;
    }

    [data-ui~="onboarding-dot"] {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--border-color);
    }

    [data-ui~="onboarding-dot"].active {
      background: var(--primary-color);
      box-shadow: 0 0 10px var(--primary-glow);
    }

    [data-ui~="emphasis"] {
      color: var(--primary-color);
      font-weight: 700;
    }

    [data-ui~="capsule-copy"] {
      display: grid;
      min-width: 0;
      text-align: left;
    }

    [data-ui~="capsule-name"] {
      font-weight: 750;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    [data-ui~="icon-button"] {
      width: 40px;
      min-width: 40px;
      padding: 0;
      border-radius: 50%;
    }

    [data-ui~="state-urged"] {
      border-color: var(--warning-color);
      background: var(--warning-bg);
    }

    [data-theme="light"] .feedback-item,
    [data-theme="light"] [data-ui~="metric"] {
      background: var(--surface-muted);
    }

    [data-theme="light"] .nav-item:hover,
    [data-theme="light"] .mini-btn:hover,
    [data-theme="light"] .theme-toggle-btn:hover {
      background: rgba(0, 114, 255, 0.09);
    }

    [data-theme="light"] .modal-mask {
      background: rgba(15, 23, 42, 0.52);
    }

    [data-ui~="nav-indicator"] {
      display: none;
    }

    @media (min-width: 768px) and (min-height: 600px) {
      .nav-bar {
        height: 100dvh;
        min-height: 0;
        overflow-y: auto;
        overscroll-behavior: contain;
      }

      .theme-toggle-btn {
        flex: 0 0 auto;
        min-height: 44px;
      }
    }

    @media (max-width: 767px), (max-width: 950px) and (max-height: 599px) {
      #main-view {
        flex-direction: column;
        min-width: 0;
        overflow: hidden;
      }

      .mobile-brand {
        display: flex;
        position: fixed;
        inset: 0 0 auto;
        z-index: 18;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        height: calc(58px + env(safe-area-inset-top));
        padding: env(safe-area-inset-top) max(12px, env(safe-area-inset-right)) 0 max(12px, env(safe-area-inset-left));
        background: var(--surface-glass);
        border-bottom: 1px solid var(--border-color);
        backdrop-filter: blur(24px) saturate(180%);
        color: var(--primary-color);
        font-size: 15px;
        font-weight: 800;
      }

      [data-ui~="mobile-brand-copy"] {
        flex: 1 1 auto;
        min-width: 0;
        gap: 9px;
      }

      [data-ui~="mobile-brand-copy"] .brand-logo-mobile {
        flex: 0 0 34px;
        width: 34px;
        height: 34px;
        border-radius: 8px;
      }

      [data-ui~="mobile-brand-copy"] .brand-copy {
        flex: 1 1 auto;
        gap: 0;
        padding: 0;
        overflow: hidden;
      }

      [data-ui~="mobile-brand-copy"] .brand-copy strong {
        font-size: 0.9375rem;
        line-height: 1.1;
      }

      [data-ui~="mobile-brand-copy"] .brand-copy > span {
        overflow: hidden;
        color: var(--text-main);
        font-size: 0.625rem;
        line-height: 1.3;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .brand,
      .nav-bar > .theme-toggle-btn {
        display: none;
      }

      [data-ui~="mobile-theme-toggle"] {
        display: inline-flex;
        flex: 0 0 44px;
        width: 44px;
        height: 44px;
        min-height: 44px;
        margin: 0;
        padding: 0;
        border-radius: 50%;
        background: var(--surface-inset);
      }

      [data-ui~="mobile-theme-toggle"] .theme-text {
        display: none;
      }

      [data-ui~="mobile-theme-toggle"] .theme-icon {
        font-size: 18px;
        line-height: 1;
      }

      .nav-bar {
        position: fixed;
        left: max(8px, env(safe-area-inset-left));
        right: max(8px, env(safe-area-inset-right));
        bottom: max(8px, env(safe-area-inset-bottom));
        z-index: 18;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        flex-wrap: nowrap;
        width: auto;
        min-width: 0;
        height: 64px;
        min-height: 64px;
        padding: 6px;
        gap: 4px;
        border: 1px solid var(--card-border);
        border-radius: 22px;
        background: var(--surface-glass);
        box-shadow: var(--shadow-glass);
        backdrop-filter: blur(24px) saturate(180%);
        overflow-x: auto;
        overflow-y: hidden;
        overscroll-behavior-x: contain;
        scroll-behavior: smooth;
        scroll-padding-inline: 8px;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
      }

      .nav-bar::-webkit-scrollbar {
        display: none;
      }

      .nav-item {
        position: relative;
        z-index: 1;
        display: flex;
        flex: 0 0 72px;
        width: 72px;
        min-width: 72px;
        height: 52px;
        min-height: 52px;
        margin: 0;
        padding: 0 8px;
        justify-content: center;
        border-radius: 16px;
        font-size: 12px;
        line-height: 1.2;
        text-align: center;
      }

      [data-ui~="nav-indicator"] {
        display: block;
        position: absolute;
        bottom: 3px;
        z-index: 2;
        height: 3px;
        border-radius: 999px;
        background: #fff;
        box-shadow: 0 0 8px var(--primary-glow);
        pointer-events: none;
        transition: left 180ms cubic-bezier(0.23, 1, 0.32, 1), width 180ms cubic-bezier(0.23, 1, 0.32, 1);
      }

      .content-area {
        width: 100%;
        min-width: 0;
        height: 100dvh;
        padding: calc(70px + env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) calc(88px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
        overflow-x: hidden;
        overflow-y: auto;
        overscroll-behavior-y: contain;
      }

      .tab-content {
        min-width: 0;
      }

      .card {
        padding: 20px 16px;
        border-radius: 20px;
      }

      .card h2 {
        font-size: 21px;
      }

      .user-capsule,
      .account-menu {
        display: none;
      }

      [data-ui~="workspace-header"],
      [data-ui~="section-heading"] {
        align-items: flex-start;
        flex-direction: column;
      }

      [data-ui~="workspace-actions"],
      [data-ui~="workspace-mode"],
      [data-ui~="launch-method"] {
        width: 100%;
      }

      [data-ui~="workspace-mode"],
      [data-ui~="launch-method"] {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      [data-ui~="workspace-mode"] button,
      [data-ui~="launch-method"] button {
        min-width: 0;
      }

      [data-ui~="form-grid"],
      [data-ui~="amount-grid"] {
        grid-template-columns: minmax(0, 1fr);
      }

      [data-ui~="historical-import"] {
        grid-template-columns: minmax(0, 1fr);
        align-items: start;
      }

      [data-ui~="historical-import"] [data-ui~="upload"] {
        width: 100%;
      }

      [data-ui~="file-trigger"] {
        min-height: 44px;
      }

      [data-ui~="project-head"],
      [data-ui~="item-head"] {
        align-items: flex-start;
      }

      [data-ui~="project-total"] {
        min-width: 112px;
      }

      [data-ui~="key-values"] {
        grid-template-columns: minmax(0, 1fr);
      }

      [data-ui~="profile-grid"] {
        grid-template-columns: minmax(0, 1fr);
        justify-items: center;
      }

      [data-ui~="profile-avatar"] {
        width: 112px;
        height: 112px;
      }

      [data-ui~="profile-grid"] [data-ui~="key-values"],
      [data-ui~="profile-actions"] {
        width: 100%;
      }

      [data-ui~="transaction"] {
        align-items: flex-start;
        flex-direction: column;
      }

      [data-ui~="transaction"] > .mini-btn {
        width: 100%;
      }

      [data-ui~="inventory-allocation-row"] {
        grid-template-columns: minmax(0, 1fr) auto;
      }

      [data-ui~="coin-account-heading"] {
        flex-direction: column;
      }

      [data-ui~="coin-account-tabs"],
      [data-ui~="coin-system-tabs"] {
        display: grid;
        width: 100%;
        grid-template-columns: minmax(0, 1fr);
        border-radius: var(--radius-m);
      }

      [data-ui~="coin-account-tabs"] button,
      [data-ui~="coin-system-tabs"] button {
        width: 100%;
        min-width: 0;
        min-height: 44px;
        border-radius: var(--radius-s);
      }

      [data-ui~="coin-ledger-row"] {
        grid-template-columns: minmax(0, 1fr);
        gap: 6px;
      }

      [data-ui~="coin-ledger-row"] time {
        white-space: normal;
      }

      [data-ui~="coin-transfer-notice"] dl {
        grid-template-columns: minmax(0, 1fr);
      }

      [data-ui~="entitlement-toolbar"] {
        grid-template-columns: minmax(0, 1fr);
      }

      [data-ui~="entitlement-account"] [data-ui~="person-head"] {
        grid-template-columns: 44px minmax(0, 1fr);
      }

      [data-ui~="entitlement-account"] [data-ui~="person-head"] .status-badge {
        grid-column: 2;
        justify-self: start;
      }

      [data-ui~="inventory-allocation-row"] time {
        grid-column: 1 / -1;
      }

      [data-ui~="account-search-option"] {
        grid-template-columns: 40px minmax(0, 1fr);
        min-height: 60px;
      }

      [data-ui~="account-search-option"] > [data-ui~="coin-balance"] {
        grid-column: 2;
        justify-self: start;
      }

      .modal-mask {
        align-items: end;
        padding: max(10px, env(safe-area-inset-top)) max(8px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
      }

      .modal,
      .modal.wide-modal,
      [data-ui~="historical-dialog"] {
        width: 100%;
        max-height: calc(100dvh - max(20px, env(safe-area-inset-top)) - max(20px, env(safe-area-inset-bottom)));
        padding: 22px 18px;
        border-radius: 20px;
      }

      .modal-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: stretch;
        width: 100%;
      }

      .modal-actions .btn.inline,
      .modal-actions .mini-btn {
        width: 100%;
        min-width: 0;
      }

      .modal-actions > :only-child {
        grid-column: 1 / -1;
      }

      #collection-settlement-modal .modal-actions {
        grid-template-columns: minmax(0, 1fr);
      }

      [data-ui~="onboarding-card"] {
        position: absolute;
        inset: auto max(8px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
        width: auto;
        max-height: min(48dvh, 420px);
      }

      [data-ui~="onboarding-actions"] {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        justify-items: stretch;
      }

      [data-ui~="onboarding-progress"] {
        justify-content: center;
      }

      [data-ui~="onboarding-actions"] > div:last-child {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      [data-ui~="onboarding-actions"] .mini-btn {
        width: 100%;
        min-width: 0;
        padding-inline: 8px;
      }
    }

    @media (max-width: 380px) and (max-height: 650px) {
      #login-view {
        align-items: flex-start;
        padding: calc(66px + env(safe-area-inset-top)) 12px 12px;
      }

      .login-theme-btn {
        top: max(10px, env(safe-area-inset-top));
        right: max(12px, env(safe-area-inset-right));
        width: 44px;
        height: 44px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
      }

      .login-theme-btn .theme-text {
        display: none;
      }

      .auth-card {
        width: 100%;
        max-height: calc(100dvh - 78px - env(safe-area-inset-top));
        padding: 22px 22px 24px;
        border-radius: 20px;
      }

      .auth-brand-visual {
        width: 80px;
        height: 80px;
        margin-bottom: 14px;
      }

      .auth-brand-logo {
        width: 74px;
        height: 74px;
        border-radius: 14px;
      }

      .auth-avatar {
        width: 36px;
        height: 36px;
        font-size: 10px;
      }

      .auth-card h1 {
        max-width: 22ch;
        font-size: 1.25rem;
        line-height: 1.18;
      }

      .auth-subtitle {
        margin-bottom: 14px;
        font-size: 0.8125rem;
      }

      .auth-switch {
        margin-bottom: 14px;
      }

      .input-group {
        margin-bottom: 12px;
      }

      .input-group input,
      .btn {
        height: 46px;
      }

      .link-btn {
        margin-top: 8px;
      }
    }

    @media (max-width: 370px) {
      .mobile-brand {
        font-size: 14px;
      }

      [data-ui~="mobile-brand-copy"] .brand-logo-mobile {
        flex-basis: 32px;
        width: 32px;
        height: 32px;
      }

      [data-ui~="mobile-brand-copy"] .brand-copy > span {
        font-size: 0.5625rem;
      }

      [data-ui~="amount-options"] {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      [data-ui~="project-head"],
      [data-ui~="item-head"] {
        flex-direction: column;
      }

      [data-ui~="project-total"] {
        width: 100%;
        justify-items: start;
        text-align: left;
      }

      .modal-actions {
        grid-template-columns: minmax(0, 1fr);
      }

      [data-ui~="onboarding-actions"] > div:last-child {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    @media (max-width: 950px) and (max-height: 599px) {
      .mobile-brand {
        height: calc(50px + env(safe-area-inset-top));
      }

      [data-ui~="mobile-brand-copy"] .brand-logo-mobile {
        width: 30px;
        height: 30px;
        flex-basis: 30px;
      }

      [data-ui~="mobile-theme-toggle"] {
        width: 40px;
        height: 40px;
        min-height: 40px;
        flex-basis: 40px;
      }

      .content-area {
        padding-top: calc(58px + env(safe-area-inset-top));
      }

      .nav-bar {
        height: 58px;
        min-height: 58px;
      }

      .nav-item {
        height: 46px;
        min-height: 46px;
      }

      .modal,
      .modal.wide-modal,
      [data-ui~="historical-dialog"] {
        padding: 18px;
      }
    }

    [data-ui="qa-login-entry"] {
      margin-top: 18px;
      padding-top: 18px;
      border-top: 1px solid var(--border-color);
      display: grid;
      justify-items: center;
      gap: 8px;
    }

    [data-ui="qa-login-entry"][hidden] {
      display: none !important;
    }

    [data-ui="qa-login-entry"] p {
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.5;
    }

    [data-ui="qa-publish-option"] {
      display: grid;
      grid-template-columns: 24px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      min-height: 56px;
      margin: 16px 0 4px;
      padding: 14px;
      border-radius: var(--radius-s);
      background: var(--active-item-bg);
      cursor: pointer;
    }

    [data-ui="qa-publish-option"][hidden] {
      display: none !important;
    }

    [data-ui="qa-publish-option"] input {
      width: 20px;
      height: 20px;
      margin-top: 2px;
      accent-color: var(--primary-color);
    }

    [data-ui="qa-publish-option"] span {
      display: grid;
      gap: 4px;
      min-width: 0;
    }

    [data-ui="qa-publish-option"] strong {
      color: var(--text-main);
      font-size: 14px;
      line-height: 1.45;
    }

    [data-ui="qa-publish-option"] small {
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.55;
      text-wrap: pretty;
    }

    #qa-entry-modal .modal-actions .btn {
      padding-inline: 10px;
      font-size: 15px;
      white-space: nowrap;
    }

    #tab-qa-survey [data-ui="qa-heading"] {
      align-items: center;
    }

    #tab-qa-survey [data-ui="qa-my-attempts"] {
      margin-top: 20px;
    }

    [data-ui="qa-heading"],
    [data-ui="qa-run-head"] {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }

    [data-ui="qa-mode-switch"] {
      grid-template-columns: repeat(4, minmax(0, 1fr));
      margin: 0;
    }

    [data-ui="qa-identity"] {
      margin: 18px 0;
      padding: 14px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: var(--surface-inset);
      color: var(--text-secondary);
      line-height: 1.6;
    }

    [data-ui="qa-identity"] strong {
      color: var(--text-main);
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-toolbar"],
    [data-ui="qa-editor-tools"] {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items: center;
      margin: 16px 0;
    }

    .sr-only {
      position: absolute !important;
      width: 1px !important;
      height: 1px !important;
      padding: 0 !important;
      margin: -1px !important;
      overflow: hidden !important;
      clip: rect(0, 0, 0, 0) !important;
      white-space: nowrap !important;
      border: 0 !important;
    }

    .qa-bank-toolbar a {
      text-decoration: none;
    }

    .qa-bank-toolbar a:focus-visible {
      outline: 2px solid var(--primary-color);
      box-shadow: 0 0 0 4px var(--focus-ring);
    }

    .qa-bank-import-modal {
      width: min(94vw, 780px);
      max-height: min(90dvh, 860px);
    }

    [data-ui="qa-import-head"],
    [data-ui="qa-import-section-head"],
    [data-ui="qa-import-progress-head"] {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
    }

    [data-ui="qa-import-head"] > div,
    [data-ui="qa-import-section-head"] > div {
      min-width: 0;
    }

    [data-ui="qa-import-head"] h3 {
      margin-bottom: 6px;
    }

    [data-ui="qa-import-head"] p,
    [data-ui="qa-import-section-head"] span,
    [data-ui="qa-import-section-head"] small {
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.55;
      text-wrap: pretty;
    }

    [data-ui="qa-import-section-head"] strong,
    [data-ui="qa-import-section-head"] span {
      display: block;
    }

    [data-ui="qa-import-section-head"] strong {
      margin-bottom: 4px;
      color: var(--text-main);
      font-size: 16px;
      line-height: 1.45;
    }

    [data-ui="qa-import-section-head"] small {
      flex: 0 0 auto;
      font-variant-numeric: tabular-nums;
      white-space: nowrap;
    }

    [data-ui="qa-import-picker"],
    [data-ui="qa-import-progress-panel"],
    [data-ui="qa-import-preview"],
    [data-ui="qa-import-result"] {
      margin-top: 18px;
    }

    [data-ui="qa-import-dropzone"] {
      width: 100%;
      min-height: 148px;
      display: grid;
      place-items: center;
      align-content: center;
      gap: 8px;
      padding: 20px;
      border: 1px dashed color-mix(in srgb, var(--primary-color), transparent 28%);
      border-radius: var(--radius-m);
      background: var(--surface-inset);
      color: var(--text-main);
      text-align: center;
      transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
    }

    [data-ui="qa-import-dropzone"] strong {
      font-size: 16px;
      line-height: 1.4;
    }

    [data-ui="qa-import-dropzone"] span {
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.5;
    }

    [data-ui="qa-import-dropzone"]:hover:not(:disabled),
    [data-ui="qa-import-dropzone"].is-dragover {
      border-color: var(--primary-color);
      background: var(--active-item-bg);
      transform: translateY(-1px);
    }

    [data-ui="qa-import-file-summary"] {
      display: grid;
      gap: 6px;
      margin-top: 10px;
      padding: 12px 14px;
      border-radius: var(--radius-s);
      background: var(--surface-inset);
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.45;
    }

    [data-ui="qa-import-file-summary"] > div {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 12px;
    }

    [data-ui="qa-import-file-summary"] strong {
      min-width: 0;
      overflow: hidden;
      color: var(--text-main);
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    [data-ui="qa-import-file-summary"] > div span {
      flex: 0 0 auto;
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-import-progress-panel"] {
      padding: 16px;
      border-radius: var(--radius-m);
      background: var(--surface-inset);
    }

    [data-ui="qa-import-progress-head"] {
      align-items: baseline;
      color: var(--text-main);
    }

    [data-ui="qa-import-progress-head"] span {
      color: var(--primary-color);
      font-size: 13px;
      font-weight: 700;
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-import-progress-panel"] progress {
      width: 100%;
      height: 10px;
      display: block;
      margin: 12px 0;
      border: 0;
      border-radius: 999px;
      overflow: hidden;
      accent-color: var(--primary-color);
    }

    [data-ui="qa-import-progress-panel"] progress::-webkit-progress-bar {
      background: rgba(255, 255, 255, 0.08);
    }

    [data-theme="light"] [data-ui="qa-import-progress-panel"] progress::-webkit-progress-bar {
      background: rgba(15, 23, 42, 0.08);
    }

    [data-ui="qa-import-progress-panel"] progress::-webkit-progress-value,
    [data-ui="qa-import-progress-panel"] progress::-moz-progress-bar {
      background: var(--primary-color);
    }

    [data-ui="qa-import-progress-panel"] p {
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.55;
      text-wrap: pretty;
    }

    [data-ui="qa-import-summary"] {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1px;
      margin: 14px 0;
      overflow: hidden;
      border-radius: var(--radius-s);
      background: var(--border-color);
    }

    [data-ui="qa-import-metric"] {
      min-width: 0;
      display: grid;
      gap: 5px;
      padding: 12px;
      background: var(--surface-inset);
    }

    [data-ui="qa-import-metric"] span {
      color: var(--text-secondary);
      font-size: 12px;
      line-height: 1.35;
    }

    [data-ui="qa-import-metric"] strong {
      color: var(--text-main);
      font-size: 20px;
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-import-bank-list"] {
      overflow: hidden;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: var(--surface-inset);
    }

    [data-ui="qa-import-bank-row"] {
      display: grid;
      grid-template-columns: 36px minmax(0, 1fr) auto;
      gap: 12px;
      align-items: center;
      min-height: 68px;
      padding: 12px 14px;
      border-bottom: 1px solid var(--border-color);
    }

    [data-ui="qa-import-bank-row"]:last-child {
      border-bottom: 0;
    }

    [data-ui="qa-import-bank-index"] {
      width: 32px;
      height: 32px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      background: var(--active-item-bg);
      color: var(--primary-color);
      font-size: 13px;
      font-weight: 800;
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-import-bank-copy"] {
      min-width: 0;
      display: grid;
      gap: 4px;
    }

    [data-ui="qa-import-bank-copy"] strong {
      overflow: hidden;
      color: var(--text-main);
      font-size: 14px;
      line-height: 1.45;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    [data-ui="qa-import-bank-copy"] span,
    [data-ui="qa-import-bank-copy"] small {
      color: var(--text-secondary);
      font-size: 12px;
      line-height: 1.45;
    }

    [data-ui="qa-import-bank-row"] .mini-btn {
      min-height: 44px;
    }

    [data-ui="qa-import-notice"] {
      display: grid;
      gap: 8px;
      margin-top: 14px;
      padding: 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-s);
      background: var(--surface-inset);
      color: var(--text-main);
      font-size: 13px;
      line-height: 1.5;
    }

    [data-ui="qa-import-notice"][data-state="warning"] {
      border-color: color-mix(in srgb, var(--warning-color), transparent 38%);
      background: var(--warning-bg);
    }

    [data-ui="qa-import-notice"][data-state="error"] {
      border-color: color-mix(in srgb, var(--danger-color), transparent 30%);
      background: var(--danger-glow);
    }

    [data-ui="qa-import-notice"][data-state="warning"] > strong {
      color: var(--warning-color);
    }

    [data-ui="qa-import-notice"][data-state="error"] > strong {
      color: var(--danger-color);
    }

    [data-theme="light"] [data-ui="qa-import-notice"][data-state="warning"] > strong {
      color: #8a4b00;
    }

    [data-theme="light"] [data-ui="qa-import-notice"][data-state="error"] > strong {
      color: #b42318;
    }

    [data-ui="qa-import-issue-list"] {
      display: grid;
      gap: 8px;
      padding: 0;
      list-style: none;
    }

    [data-ui="qa-import-issue-list"] li {
      display: grid;
      grid-template-columns: minmax(90px, auto) minmax(0, 1fr);
      gap: 10px;
      align-items: start;
    }

    [data-ui="qa-import-issue-list"] code {
      max-width: 240px;
      overflow-wrap: anywhere;
      color: var(--text-secondary);
      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
      font-size: 12px;
    }

    [data-ui="qa-import-actions"] {
      margin-top: 20px;
    }

    #qa-bank-import-modal [hidden] {
      display: none !important;
    }

    [data-ui="qa-live-edit-note"] {
      margin: 14px 0;
      padding: 12px 14px;
      border: 1px solid color-mix(in srgb, var(--primary-color) 28%, var(--border-color));
      border-radius: var(--radius-s);
      background: var(--active-item-bg);
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.55;
    }

    [data-ui="qa-editor-setting"] {
      display: grid;
      grid-template-columns: 24px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      min-height: 56px;
      margin: 16px 0;
      padding: 14px 0;
      cursor: pointer;
    }

    [data-ui="qa-editor-setting"] input,
    [data-ui="qa-bank-toggle"] input {
      width: 20px;
      height: 20px;
      margin-top: 2px;
      accent-color: var(--primary-color);
    }

    [data-ui="qa-editor-setting"] span,
    [data-ui="qa-bank-toggle"] span {
      display: grid;
      gap: 4px;
      min-width: 0;
    }

    [data-ui="qa-editor-setting"] strong,
    [data-ui="qa-bank-toggle"] strong {
      color: var(--text-main);
      font-size: 14px;
      line-height: 1.45;
      text-wrap: pretty;
    }

    [data-ui="qa-editor-setting"] small,
    [data-ui="qa-bank-toggle"] small {
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.5;
      text-wrap: pretty;
    }

    [data-ui="qa-bank-config"] {
      margin: 18px 0 20px;
      padding: 18px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    [data-ui="qa-bank-draws"] {
      display: grid;
      margin-top: 10px;
    }

    [data-ui="qa-bank-draw-row"] {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      min-height: 68px;
      padding: 12px 4px;
      border-bottom: 1px solid var(--border-color);
    }

    [data-ui="qa-bank-draw-row"]:last-child {
      border-bottom: 0;
    }

    [data-ui="qa-bank-draw-row"][data-enabled="false"] {
      opacity: 0.74;
    }

    [data-ui="qa-bank-draw-row"][data-invalid="true"] [data-ui="qa-bank-toggle"] small {
      color: var(--danger-color);
    }

    [data-ui="qa-bank-toggle"] {
      display: grid;
      grid-template-columns: 24px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      min-width: 0;
      cursor: pointer;
    }

    div[data-ui="qa-bank-toggle"] {
      grid-template-columns: minmax(0, 1fr);
      cursor: default;
    }

    [data-ui="qa-bank-count"] {
      display: grid;
      grid-template-columns: auto 88px auto;
      gap: 8px;
      align-items: center;
      color: var(--text-secondary);
      font-size: 13px;
      white-space: nowrap;
    }

    [data-ui="qa-bank-count"] input {
      width: 88px;
      min-height: 44px;
      text-align: center;
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-plan-summary"] {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 12px;
      margin-top: 12px;
      padding: 12px 14px;
      border-radius: var(--radius-s);
      background: var(--active-item-bg);
      color: var(--text-secondary);
      font-size: 13px;
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-plan-summary"] strong {
      color: var(--text-main);
      font-size: 16px;
      white-space: nowrap;
    }

    [data-ui="qa-plan-summary"][data-state="error"] {
      background: var(--danger-glow);
      color: var(--text-main);
    }

    [data-ui="qa-my-attempts"] {
      margin-top: 24px;
    }

    [data-ui="qa-my-attempts"] h3 {
      font-size: 18px;
      margin-bottom: 12px;
    }

    [data-ui="qa-filters"] {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: 12px;
      align-items: end;
    }

    [data-ui="qa-list"],
    [data-ui="qa-admin-list"] {
      margin-top: 14px;
    }

    [data-ui~="qa-card-head"] {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    [data-ui~="qa-card-head"] h3,
    [data-ui~="qa-question"] h4 {
      font-size: 18px;
      line-height: 1.35;
      margin-bottom: 6px;
      text-wrap: balance;
    }

    [data-ui~="qa-card-meta"],
    [data-ui~="qa-question-meta"] {
      color: var(--text-secondary);
      font-size: 13px;
      line-height: 1.5;
    }

    [data-ui~="qa-question"] {
      margin-top: 16px;
      padding: 18px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: var(--surface-inset);
    }

    [data-ui~="qa-answer-controls"] {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    [data-ui~="qa-choice"] {
      display: flex;
      gap: 10px;
      align-items: center;
      min-height: 44px;
      padding: 10px 12px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-s);
      background: rgba(255, 255, 255, 0.055);
      color: var(--text-main);
    }

    [data-theme="light"] [data-ui~="qa-choice"] {
      background: rgba(255, 255, 255, 0.68);
    }

    [data-ui~="qa-choice"] input {
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
    }

    [data-ui~="qa-choice"] img,
    [data-ui~="qa-answer-image"] {
      width: 64px;
      height: 64px;
      border-radius: var(--radius-s);
      object-fit: cover;
      border: 1px solid var(--border-color);
    }

    [data-ui~="qa-order-row"],
    [data-ui~="qa-match-row"] {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(120px, 180px);
      gap: 12px;
      align-items: center;
    }

    .qa-runner-modal,
    .qa-editor-modal,
    .qa-review-modal,
    .qa-stats-modal {
      width: min(96vw, 1080px);
      max-height: min(90dvh, 860px);
    }

    [data-ui="qa-stats-body"] {
      margin-top: 14px;
    }

    [data-ui="qa-stats-hero"] {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 14px;
      padding: 16px;
      border-radius: var(--radius-m);
      border: 1px solid var(--border-color);
      background: var(--surface-inset);
    }

    [data-ui="qa-stats-grid"] {
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 14px;
      margin-top: 16px;
    }

    [data-ui="qa-stats-question"] {
      padding: 16px;
      border-radius: var(--radius-m);
      border: 1px solid var(--border-color);
      background: rgba(255, 255, 255, 0.045);
    }

    [data-theme="light"] [data-ui="qa-stats-question"] {
      background: rgba(255, 255, 255, 0.72);
    }

    [data-ui="qa-stats-question"] h4 {
      margin: 6px 0 14px;
      font-size: 17px;
      line-height: 1.45;
      color: var(--text-main);
      text-wrap: pretty;
    }

    [data-ui="qa-stats-choice-layout"] {
      display: grid;
      grid-template-columns: 148px minmax(0, 1fr);
      gap: 16px;
      align-items: center;
    }

    [data-ui="qa-stats-donut"] {
      width: 132px;
      height: 132px;
      display: grid;
      place-items: center;
      align-content: center;
      border-radius: 999px;
      background:
        radial-gradient(circle at center, var(--card-bg) 0 54%, transparent 55%),
        conic-gradient(var(--primary-color) var(--qa-stat-fill, 0%), rgba(255,255,255,0.12) 0);
      border: 1px solid var(--border-color);
      text-align: center;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
    }

    [data-theme="light"] [data-ui="qa-stats-donut"] {
      background:
        radial-gradient(circle at center, var(--card-bg) 0 54%, transparent 55%),
        conic-gradient(var(--primary-color) var(--qa-stat-fill, 0%), rgba(0,0,0,0.08) 0);
    }

    [data-ui="qa-stats-donut"] span {
      font-size: 24px;
      font-weight: 800;
      line-height: 1;
      color: var(--text-main);
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-stats-donut"] small {
      max-width: 82px;
      margin-top: 5px;
      color: var(--text-secondary);
      font-size: 12px;
      line-height: 1.25;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    [data-ui="qa-stats-options"] {
      display: grid;
      gap: 10px;
    }

    [data-ui="qa-stat-option"] {
      display: grid;
      gap: 6px;
    }

    [data-ui="qa-stat-option-head"],
    [data-ui="qa-stat-sample-head"] {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 12px;
      color: var(--text-secondary);
      font-size: 13px;
    }

    [data-ui="qa-stat-option-head"] span {
      min-width: 0;
      color: var(--text-main);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    [data-ui="qa-stat-option-head"] strong {
      color: var(--text-main);
      font-variant-numeric: tabular-nums;
      white-space: nowrap;
    }

    [data-ui="qa-stat-bar"] {
      height: 9px;
      overflow: hidden;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    [data-theme="light"] [data-ui="qa-stat-bar"] {
      background: rgba(0, 0, 0, 0.06);
      border-color: rgba(0, 0, 0, 0.05);
    }

    [data-ui="qa-stat-bar"] span {
      display: block;
      height: 100%;
      min-width: 4px;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary-color), var(--ok-color));
    }

    [data-ui="qa-stats-text-block"],
    [data-ui="qa-stats-match"] {
      display: grid;
      gap: 10px;
      margin-top: 12px;
    }

    [data-ui="qa-stats-tags"] {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    [data-ui="qa-stats-tags"] span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      max-width: 100%;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid var(--border-color);
      background: rgba(255, 255, 255, 0.055);
      color: var(--text-main);
      font-size: 13px;
    }

    [data-ui="qa-stats-tags"] strong {
      color: var(--primary-color);
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-stats-samples"] {
      display: grid;
      gap: 10px;
      margin-top: 12px;
    }

    [data-ui="qa-stat-sample"] {
      padding: 12px;
      border-radius: var(--radius-s);
      background: rgba(255, 255, 255, 0.045);
      border: 1px solid var(--border-color);
    }

    [data-ui="qa-run-body"] {
      margin-top: 14px;
      display: grid;
      grid-template-columns: minmax(0, 1fr);
      gap: 14px;
    }

    [data-ui="qa-json-editor"] {
      min-height: 320px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
      font-size: 13px;
      white-space: pre;
      overflow: auto;
    }

    [data-ui="qa-editor-workbench"] {
      display: grid;
      grid-template-columns: minmax(240px, 310px) minmax(0, 1fr);
      gap: 16px;
      align-items: start;
      margin-top: 14px;
    }

    [data-ui="qa-editor-sidebar"],
    [data-ui="qa-editor-detail"] {
      min-width: 0;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: var(--surface-inset);
    }

    [data-ui="qa-editor-sidebar"] {
      position: sticky;
      top: 0;
      max-height: min(68dvh, 680px);
      overflow: auto;
      padding: 14px;
    }

    [data-ui="qa-editor-sidebar-head"],
    [data-ui="qa-editor-section-title"],
    [data-ui="qa-editor-detail-head"] {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    [data-ui="qa-editor-add-row"] {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 8px;
      margin: 12px 0;
      align-items: center;
    }

    [data-ui="qa-editor-add-row"] select {
      width: 100%;
      height: 40px;
      padding: 0 12px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-s);
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-main);
    }

    [data-theme="light"] [data-ui="qa-editor-add-row"] select {
      background: rgba(255, 255, 255, 0.72);
    }

    [data-ui="qa-editor-question-list"] {
      display: grid;
      gap: 8px;
    }

    .qa-editor-question-card {
      width: 100%;
      min-height: 58px;
      display: grid;
      grid-template-columns: 32px minmax(0, 1fr);
      gap: 10px;
      align-items: center;
      padding: 10px;
      border: 1px solid transparent;
      border-radius: var(--radius-s);
      background: rgba(255, 255, 255, 0.045);
      color: var(--text-main);
      text-align: left;
      transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
    }

    .qa-editor-question-card:hover,
    .qa-editor-question-card.active {
      border-color: var(--primary-color);
      background: var(--active-item-bg);
    }

    [data-ui="qa-editor-question-no"] {
      width: 32px;
      height: 32px;
      display: inline-grid;
      place-items: center;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      color: var(--primary-color);
      font-weight: 800;
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-editor-question-summary"] {
      display: grid;
      gap: 4px;
      min-width: 0;
    }

    [data-ui="qa-editor-question-summary"] strong {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 14px;
    }

    [data-ui="qa-editor-question-summary"] small,
    [data-ui="qa-editor-section-title"] small {
      color: var(--text-secondary);
      font-size: 12px;
      line-height: 1.35;
    }

    [data-ui="qa-editor-detail"] {
      padding: 18px;
    }

    [data-ui="qa-editor-detail-head"] h4 {
      max-width: 72ch;
      margin-top: 4px;
      font-size: 19px;
      line-height: 1.45;
      text-wrap: pretty;
    }

    [data-ui="qa-editor-detail-grid"] {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 12px;
      align-items: end;
      margin: 16px 0;
    }

    [data-ui="qa-editor-check"],
    [data-ui="qa-editor-correct"] {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--text-main);
      font-weight: 650;
    }

    [data-ui="qa-editor-check"] input,
    [data-ui="qa-editor-correct"] input {
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
    }

    [data-ui="qa-editor-survey-note"] {
      min-height: 44px;
      display: flex;
      align-items: center;
      padding: 10px 12px;
      border-radius: var(--radius-s);
      border: 1px solid var(--border-color);
      background: rgba(255, 255, 255, 0.045);
      color: var(--text-secondary);
      line-height: 1.5;
    }

    [data-ui="qa-editor-image-section"],
    [data-ui="qa-editor-choice-list"],
    [data-ui="qa-editor-fill-tools"],
    [data-ui="qa-editor-match-map"] {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    [data-ui="qa-editor-image-grid"] {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
      gap: 10px;
    }

    [data-ui="qa-editor-image-thumb"],
    [data-ui="qa-editor-choice-row"] {
      min-width: 0;
      padding: 12px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-s);
      background: rgba(255, 255, 255, 0.045);
    }

    [data-theme="light"] [data-ui="qa-editor-image-thumb"],
    [data-theme="light"] [data-ui="qa-editor-choice-row"],
    [data-theme="light"] [data-ui="qa-editor-survey-note"] {
      background: rgba(255, 255, 255, 0.72);
    }

    [data-ui="qa-editor-image-thumb"] img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border-radius: var(--radius-s);
      border: 1px solid var(--border-color);
      cursor: zoom-in;
    }

    [data-ui="qa-editor-image-thumb"] figcaption {
      margin: 8px 0;
      color: var(--text-secondary);
      font-size: 12px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    [data-ui="qa-editor-dropzone"] {
      min-height: 112px;
      display: grid;
      place-items: center;
      align-content: center;
      gap: 6px;
      padding: 14px;
      border: 1px dashed color-mix(in srgb, var(--primary-color), transparent 28%);
      border-radius: var(--radius-s);
      background: rgba(0, 210, 255, 0.075);
      color: var(--text-main);
      text-align: center;
      cursor: pointer;
      transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
    }

    [data-ui="qa-editor-dropzone"][data-compact="true"] {
      min-height: 72px;
      padding: 10px;
    }

    [data-ui="qa-editor-dropzone"].is-dragover {
      border-color: var(--ok-color);
      background: var(--ok-glow);
      transform: translateY(-1px);
    }

    [data-ui="qa-editor-dropzone"] span {
      font-weight: 750;
    }

    [data-ui="qa-editor-dropzone"] small {
      max-width: 28ch;
      color: var(--text-secondary);
      line-height: 1.35;
    }

    [data-ui="qa-editor-choice-row"] {
      display: grid;
      gap: 10px;
    }

    [data-ui="qa-editor-choice-main"] {
      display: grid;
      grid-template-columns: 32px minmax(0, 1fr) auto;
      gap: 10px;
      align-items: end;
    }

    [data-ui="qa-editor-choice-handle"] {
      width: 32px;
      height: 32px;
      display: inline-grid;
      place-items: center;
      align-self: center;
      border-radius: 999px;
      background: var(--active-item-bg);
      color: var(--primary-color);
      font-weight: 800;
      font-variant-numeric: tabular-nums;
    }

    [data-ui="qa-editor-item-image"] {
      display: grid;
      gap: 8px;
    }

    [data-ui="qa-editor-image-preview"] {
      min-height: 78px;
      display: grid;
      grid-template-columns: 74px minmax(0, 1fr);
      gap: 10px;
      align-items: center;
      padding: 8px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-s);
      background: rgba(255, 255, 255, 0.045);
      color: var(--text-main);
      text-align: left;
    }

    [data-ui="qa-editor-image-preview"] img {
      width: 74px;
      height: 60px;
      border-radius: var(--radius-s);
      object-fit: cover;
      border: 1px solid var(--border-color);
    }

    [data-ui="qa-editor-image-preview"] span {
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      color: var(--text-secondary);
      font-size: 13px;
    }

    [data-ui="qa-editor-fill-tools"],
    [data-ui="qa-editor-two-columns"] {
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      align-items: start;
    }

    [data-ui="qa-editor-order-select"],
    [data-ui="qa-editor-match-row"] {
      display: grid;
      gap: 6px;
      color: var(--text-secondary);
      font-size: 13px;
    }

    [data-ui="qa-editor-order-select"] select,
    [data-ui="qa-editor-match-row"] select {
      min-width: 132px;
      height: 40px;
      padding: 0 10px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-s);
      background: var(--surface-inset);
      color: var(--text-main);
    }

    [data-ui="qa-editor-match-row"] {
      grid-template-columns: minmax(0, 1fr) minmax(160px, 220px);
      align-items: center;
      padding: 10px 12px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-s);
      background: rgba(255, 255, 255, 0.045);
    }

    [data-ui="qa-editor-json-details"] {
      margin-top: 16px;
      padding: 14px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: rgba(255, 255, 255, 0.04);
    }

    [data-ui="qa-editor-json-details"] summary {
      cursor: pointer;
      color: var(--text-main);
      font-weight: 750;
    }

    [data-ui="qa-editor-json-details"] > [data-ui="copy"] {
      margin-top: 10px;
    }

    [data-ui="qa-upload-box"] {
      margin-top: 16px;
      padding: 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-m);
      background: var(--surface-inset);
    }

    [data-ui="qa-asset-snippet"] {
      min-height: 44px;
      margin-top: 12px;
      padding: 12px;
      border-radius: var(--radius-s);
      background: rgba(0, 0, 0, 0.18);
      color: var(--text-main);
      white-space: pre-wrap;
      word-break: break-all;
      font-size: 12px;
    }

    [data-ui~="qa-result-score"] {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
      color: var(--primary-color);
    }

    [data-ui~="qa-answer-preview"],
    [data-ui~="qa-correct-preview"] {
      margin-top: 10px;
      padding: 12px;
      border-radius: var(--radius-s);
      background: rgba(255, 255, 255, 0.055);
      color: var(--text-secondary);
      line-height: 1.6;
      white-space: pre-wrap;
    }

    [data-ui~="qa-correct-preview"] {
      color: var(--ok-color);
      border: 1px solid var(--ok-glow);
    }

    body[data-qa-guest="true"] .user-capsule,
    body[data-qa-guest="true"] .account-menu {
      display: none !important;
    }

    @media (max-width: 767px), (max-width: 950px) and (max-height: 599px) {
      .qa-bank-toolbar,
      [data-ui="qa-import-actions"],
      [data-ui="qa-import-head"],
      [data-ui="qa-import-section-head"],
      [data-ui="qa-import-progress-head"],
      [data-ui="qa-import-file-summary"] > div,
      [data-ui="qa-import-bank-row"],
      [data-ui="qa-import-issue-list"] li {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
      }

      .qa-bank-toolbar .btn,
      [data-ui="qa-import-actions"] .btn,
      [data-ui="qa-import-bank-row"] .mini-btn {
        width: 100%;
        min-height: 44px;
      }

      [data-ui="qa-import-section-head"] small,
      [data-ui="qa-import-file-summary"] > div span {
        white-space: normal;
      }

      [data-ui="qa-import-summary"] {
        grid-template-columns: minmax(0, 1fr);
      }

      [data-ui="qa-import-bank-copy"] strong {
        white-space: normal;
        overflow-wrap: anywhere;
      }

      [data-ui="qa-import-issue-list"] code {
        max-width: 100%;
      }

      [data-ui="qa-heading"],
      [data-ui="qa-run-head"] {
        display: grid;
      }

      [data-ui="qa-mode-switch"] {
        width: 100%;
        grid-template-columns: minmax(0, 1fr);
        border-radius: var(--radius-m);
      }

      [data-ui="qa-mode-switch"] button {
        border-radius: var(--radius-s);
      }

      [data-ui="qa-filters"],
      [data-ui~="qa-order-row"],
      [data-ui~="qa-match-row"] {
        grid-template-columns: minmax(0, 1fr);
      }

      .qa-runner-modal,
      .qa-editor-modal,
      .qa-review-modal,
      .qa-stats-modal {
        width: min(96vw, 760px);
      }

      [data-ui="qa-stats-hero"],
      [data-ui="qa-stats-choice-layout"],
      [data-ui="qa-stat-option-head"],
      [data-ui="qa-stat-sample-head"] {
        display: grid;
      }

      [data-ui="qa-stats-choice-layout"] {
        grid-template-columns: minmax(0, 1fr);
      }

      [data-ui="qa-stats-donut"] {
        width: 116px;
        height: 116px;
      }

      [data-ui="qa-json-editor"] {
        min-height: 240px;
      }

      [data-ui="qa-editor-workbench"],
      [data-ui="qa-editor-add-row"],
      [data-ui="qa-editor-choice-main"],
      [data-ui="qa-editor-match-row"],
      [data-ui="qa-bank-draw-row"] {
        grid-template-columns: minmax(0, 1fr);
      }

      [data-ui="qa-bank-count"] {
        grid-template-columns: auto minmax(0, 1fr) auto;
      }

      [data-ui="qa-bank-count"] input {
        width: 100%;
      }

      [data-ui="qa-plan-summary"] {
        display: grid;
      }

      [data-ui="qa-editor-sidebar"] {
        position: static;
        max-height: none;
      }

      [data-ui="qa-editor-detail"] {
        padding: 14px;
      }

      [data-ui="qa-editor-detail-head"] {
        display: grid;
      }

      [data-ui="qa-editor-question-list"] {
        grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
      }

      [data-ui="qa-editor-choice-main"] {
        align-items: stretch;
      }

      [data-ui="qa-editor-correct"],
      [data-ui="qa-editor-order-select"] {
        justify-self: stretch;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }

      .liquid-bg-blob {
        animation: none !important;
      }
    }