/* portal\login.php — extraído por extract_inline.php */

        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(160deg, #1F2370 0%, #161A55 100%);
            font-family: 'Segoe UI', system-ui, sans-serif;
            padding: 20px;
        }
        .portal-card {
            width: 100%;
            max-width: 400px;
            background: rgba(255,255,255,0.97);
            border-radius: 24px;
            padding: 40px 32px;
            box-shadow: 0 25px 60px rgba(0,0,0,0.35);
        }
        .portal-logo {
            width: 72px;
            height: 72px;
            margin: 0 auto 16px;
            border-radius: 20px;
            background: #1F2370;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: #fff;
            overflow: hidden;
        }
        .portal-logo img { width: 100%; height: 100%; object-fit: cover; }
        .portal-empresa {
            text-align: center;
            font-size: 1.25rem;
            font-weight: 700;
            color: #1F2370;
            margin-bottom: 4px;
        }
        .portal-sub {
            text-align: center;
            color: #64748b;
            font-size: 0.85rem;
            margin-bottom: 28px;
        }
        .portal-label {
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: #475569;
            margin-bottom: 6px;
        }
        .portal-input {
            width: 100%;
            border: 2px solid #e2e8f0;
            border-radius: 14px;
            padding: 14px 16px 14px 46px;
            font-size: 1rem;
            transition: border-color .15s, box-shadow .15s;
        }
        .portal-input:focus {
            border-color: #0284c7;
            box-shadow: 0 0 0 4px rgba(2,132,199,.12);
            outline: none;
        }
        .input-wrap { position: relative; margin-bottom: 18px; }
        .input-wrap > i {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: #94a3b8;
            font-size: 1.1rem;
        }
        .btn-portal {
            width: 100%;
            padding: 15px;
            border: none;
            border-radius: 14px;
            background: linear-gradient(135deg, #0284c7, #0369a1);
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            transition: transform .15s, box-shadow .15s;
        }
        .btn-portal:active { transform: scale(0.98); }
        .btn-portal:hover { box-shadow: 0 10px 25px rgba(2,132,199,.4); }
        .portal-footer {
            margin-top: 24px;
            text-align: center;
            font-size: 0.75rem;
            color: #94a3b8;
        }
        .alert-portal {
            border-radius: 12px;
            font-size: 0.85rem;
            padding: 12px 14px;
        }
    
