
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            color: #333;
        }

        /* Navbar moderna */
        .navbar {
            background: white;
            padding: 1rem 0;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .navbar-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .navbar-brand-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
            text-decoration: none;
            transition: transform 0.3s ease;
        }

        .navbar-brand-wrapper:hover {
            transform: scale(1.02);
        }

        .logo-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .logo-circle img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .navbar-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #667eea;
        }

        .navbar-menu {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .navbar-menu a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
            font-size: 1.05rem;
        }

        .navbar-menu a:hover {
            color: #667eea;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #333;
            transition: color 0.3s ease;
        }

        .mobile-menu-btn:hover {
            color: #667eea;
        }

        /* Mobile menu dropdown */
        .mobile-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: white;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            border-radius: 0 0 15px 15px;
            overflow: hidden;
            animation: slideDown 0.3s ease;
            z-index: 1000;
        }

        .mobile-dropdown.active {
            display: block;
        }

        .mobile-dropdown ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mobile-dropdown li {
            border-bottom: 1px solid #f0f0f0;
        }

        .mobile-dropdown li:last-child {
            border-bottom: none;
        }

        .mobile-dropdown a {
            display: block;
            padding: 1rem 2rem;
            color: #333;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .mobile-dropdown a:hover {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding-left: 2.5rem;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Login Container */
        .login-container {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 3rem 1rem;
        }

        .login-card {
            background: white;
            border-radius: 25px;
            padding: 3rem;
            width: 100%;
            max-width: 450px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            animation: fadeInUp 0.6s ease;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .login-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .login-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
        }

        .login-icon i {
            font-size: 2.5rem;
            color: white;
        }

        .login-title {
            font-size: 2rem;
            font-weight: 700;
            color: #333;
            margin-bottom: 0.5rem;
        }

        .login-subtitle {
            color: #666;
            font-size: 1rem;
        }

        /* Form Groups */
        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            color: #555;
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }

        .input-wrapper {
            position: relative;
        }

        .input-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: #999;
            font-size: 1.1rem;
        }

        .form-control {
            width: 100%;
            padding: 0.875rem 1rem 0.875rem 3rem;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: #fafafa;
            font-family: 'Inter', sans-serif;
        }

        .form-control:focus {
            outline: none;
            border-color: #667eea;
            background: white;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .form-control.is-invalid {
            border-color: #dc3545;
            background: #fff5f5;
        }

        .form-control.is-invalid:focus {
            box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
        }

        .invalid-feedback {
            display: block;
            color: #dc3545;
            font-size: 0.875rem;
            margin-top: 0.5rem;
            font-weight: 500;
        }

        /* Password Toggle */
        .password-toggle {
            position: absolute;
            right: 1rem;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: #999;
            cursor: pointer;
            font-size: 1.1rem;
            transition: color 0.3s ease;
        }

        .password-toggle:hover {
            color: #667eea;
        }

        /* Submit Button */
        .btn-submit {
            width: 100%;
            padding: 1rem;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
            margin-top: 1rem;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
        }

        .btn-submit:active {
            transform: translateY(0);
        }

        /* Links */
        .forgot-password {
            text-align: center;
            margin-top: 1.5rem;
        }

        .forgot-password a {
            color: #667eea;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .forgot-password a:hover {
            color: #764ba2;
            text-decoration: underline;
        }

        /* Alert Message */
        .alert {
            padding: 1rem 1.5rem;
            border-radius: 10px;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            animation: slideIn 0.3s ease;
        }

        .alert-danger {
            background: #f8d7da;
            color: #721c24;
            border: 2px solid #f5c6cb;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Footer */
        .footer {
            background: #2c3e50;
            /*backdrop-filter: blur(10px);*/
            color: white;
            padding: 2rem;
            text-align: center;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 1rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: white;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: #ffd700;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .navbar {
                position: relative;
            }

            .navbar-menu {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .login-card {
                padding: 2rem;
                border-radius: 20px;
            }

            .login-title {
                font-size: 1.75rem;
            }

            .footer-links {
                flex-direction: column;
                gap: 0.5rem;
            }
        }