.fs-warning {
      position: fixed;
      inset: 0;
      z-index: 9999;
      display: none;
      align-items: center;
      justify-content: center;
      background: rgba(0, 0, 0, 0.92);
      padding: 2rem;
    }
    .fs-warning.show {
      display: flex;
    }
    .fs-warning-card {
      background: #fff;
      max-width: 480px;
      width: 100%;
      border-radius: 16px;
      padding: 2.5rem 2rem;
      text-align: center;
      box-shadow: 0 20px 60px rgba(0,0,0,0.4);
      animation: fsPulse 1.5s ease-in-out infinite;
    }
    @keyframes fsPulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.03); }
    }
    .fs-warning-icon {
      font-size: 4rem;
      display: block;
      margin-bottom: 1rem;
    }
    .fs-warning-card h2 {
      color: #dc2626;
      font-size: 1.5rem;
      margin-bottom: 0.75rem;
    }
    .fs-warning-card p {
      color: var(--text-muted);
      margin-bottom: 1.25rem;
      line-height: 1.6;
    }
    .fs-warning-card .warn-count {
      font-size: 0.85rem;
      color: #dc2626;
      font-weight: 700;
      margin-bottom: 1rem;
    }
    .fs-warning-card .warn-count strong {
      font-size: 1.6rem;
    }
    .btn-kembali {
      display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
      padding: 0.8rem 2rem;
      min-height: 44px;
      background: var(--primary);
      color: #fff;
      border: none;
      border-radius: 999px;
      font-size: 1.05rem;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.2s;
    }
    .btn-kembali svg.lucide { width: 19px; height: 19px; flex-shrink: 0; }
    .btn-kembali:hover {
      background: var(--primary-dark);
    }
    .fs-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: #dc2626;
      color: #fff;
      padding: 0.5rem 1.2rem;
      border-radius: 8px;
      margin-bottom: 1rem;
      font-size: 0.9rem;
      font-weight: 600;
    }
    .fs-header .fs-badge {
      background: #fff;
      color: #dc2626;
      padding: 0.15rem 0.6rem;
      border-radius: 4px;
      font-weight: 800;
      font-size: 0.8rem;
    }
    /* ===== Login mengikuti glassmorphism di css/style.css ===== */
    /* Samakan dengan login admin: tanpa animasi masuk (tampil langsung).
       Spinner loading & goyang error dikecualikan (umpan balik fungsional). */
    #loginModal.login-modal,
    #loginModal .login-floating-shape,
    #loginModal .login-card,
    #loginModal .login-card::before,
    #loginModal .login-card::after,
    #loginModal .login-logo,
    #loginModal .login-logo::after,
    #loginModal .login-card h2,
    #loginModal .login-sub,
    #loginModal .login-input-group,
    #loginModal .quiz-btn-block,
    #loginModal .quiz-btn-block::before { animation: none !important; }
    #loginModal .quiz-btn-block { font-weight: 500; }