/* Banner moderno de advertencia (restricted access) */
        .auth-banner {
            max-width: 680px;
            margin: 10vh auto;
            background: linear-gradient(145deg, #0f1222 0%, #080b14 100%);
            border-radius: 32px;
            border: 1px solid rgba(59, 130, 246, 0.3);
            box-shadow: 0 25px 45px -12px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(59, 130, 246, 0.1);
            overflow: hidden;
            backdrop-filter: blur(2px);
            transition: all 0.3s ease;
        }

        .auth-banner-content {
            padding: 32px 28px;
        }

        .banner-icon-header {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-bottom: 28px;
        }

        .lock-icon {
            width: 56px;
            height: 56px;
            background: rgba(239, 68, 68, 0.15);
            border-radius: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: #f87171;
            border: 1px solid rgba(239, 68, 68, 0.3);
        }

        .banner-icon-header h2 {
            font-size: 1.7rem;
            font-weight: 600;
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, #fff, #94a3f8);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
        }

        .alert-modern {
            background: rgba(239, 68, 68, 0.08);
            border-left: 4px solid #ef4444;
            padding: 18px 20px;
            border-radius: 20px;
            margin: 24px 0;
        }

        .alert-modern p {
            color: #f9a8b4;
            font-weight: 500;
            font-size: 1rem;
            line-height: 1.5;
        }

        .info-restriction {
            background: rgba(59, 130, 246, 0.08);
            border-radius: 20px;
            padding: 18px 20px;
            margin: 20px 0;
        }

        .restriction-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }

        .badge-auth {
            background: #1e243b;
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #b9c3f0;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-login-glow {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: linear-gradient(95deg, #3b82f6, #2563eb);
            border: none;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 48px;
            color: white;
            cursor: pointer;
            transition: 0.2s;
            box-shadow: 0 8px 18px rgba(37, 99, 235, 0.3);
            margin-top: 16px;
            text-decoration: none;
            width: fit-content;
        }

        .btn-login-glow:hover {
            background: linear-gradient(95deg, #2563eb, #1d4ed8);
            transform: translateY(-2px);
            box-shadow: 0 14px 26px rgba(37, 99, 235, 0.4);
        }

        /* Dashboard normal (protegido) */
        .dashboard {
            max-width: 1600px;
            margin: 0 auto;
            display: none;
            /* hidden by default, shown after auth */
        }