:root {
            --primary-color: #203363;
            --secondary-color: #ffa500;
        }

        body {
            background: linear-gradient(135deg, #203363 0%, #2a4480 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            padding: 20px;
        }

        .login-container {
            background-color: #ffffff;
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            width: 100%;
            max-width: 450px;
            animation: slideIn 0.4s ease-out;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .logo-section {
            text-align: center;
            margin-bottom: 2rem;
        }

        .logo-section img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin-bottom: 1rem;
            box-shadow: 0 4px 12px rgba(32, 51, 99, 0.2);
        }

        .logo-section h2 {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 0.5rem;
            font-size: 1.8rem;
        }

        .logo-section p {
            color: #6c757d;
            font-size: 0.9rem;
            margin: 0;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            color: var(--primary-color);
            font-weight: 600;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .form-group label i {
            color: var(--secondary-color);
        }

        .form-control,
        .form-select {
            border: 2px solid #e9ecef;
            border-radius: 10px;
            padding: 0.75rem 1rem;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .form-control:focus,
        .form-select:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.2rem rgba(32, 51, 99, 0.1);
            outline: none;
        }

        .form-control.is-invalid,
        .form-select.is-invalid {
            border-color: #dc3545;
        }

        .form-control::placeholder {
            color: #adb5bd;
        }

        /* ── Wrapper para el toggle de contraseña ── */
        .password-wrapper {
            position: relative;
        }

        .password-wrapper .form-control {
            padding-right: 3rem;
        }

        .password-toggle {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: #6c757d;
            transition: color 0.2s;
            z-index: 5;
        }

        .password-toggle:hover {
            color: var(--primary-color);
        }

        .btn-login {
            width: 100%;
            background: linear-gradient(135deg, var(--primary-color) 0%, #2a4480 100%);
            color: #ffffff;
            border: none;
            padding: 0.85rem;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            margin-top: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .btn-login:hover:not(:disabled) {
            background: linear-gradient(135deg, var(--secondary-color) 0%, #ff8c00 100%);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 165, 0, 0.3);
            color: #ffffff;
        }

        .btn-login:active {
            transform: translateY(0);
        }

        .btn-login:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }

        .alert {
            border-radius: 10px;
            border: none;
            margin-bottom: 1.5rem;
            animation: fadeIn 0.3s ease-out;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        .alert-danger {
            background-color: #fff5f5;
            color: #c53030;
            border-left: 4px solid #fc8181;
        }

        .alert-success {
            background-color: #f0fff4;
            color: #22543d;
            border-left: 4px solid #68d391;
        }

        .alert-warning {
            background-color: #fffbeb;
            color: #744210;
            border-left: 4px solid #f6ad55;
        }

        .alert ul {
            margin: 0;
            padding-left: 1.2rem;
        }

        .info-text {
            text-align: center;
            color: #6c757d;
            font-size: 0.85rem;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #e9ecef;
        }

        @media (max-width: 576px) {
            .login-container {
                padding: 2rem 1.5rem;
            }

            .logo-section h2 {
                font-size: 1.5rem;
            }
        }