* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
        }
        /* Animated background */
        .bg-shape {
            position: absolute;
            z-index: 0;
            animation: float 20s infinite ease-in-out;
        }
        
        .shape-1 {
            top: 10%;
            left: 5%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation-delay: 0s;
        }
        
        .shape-2 {
            bottom: 10%;
            right: 5%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            animation-delay: 5s;
        }
        
        .shape-3 {
            top: 40%;
            right: 20%;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            animation-delay: 10s;
        }
        
        .shape-4 {
            bottom: 20%;
            left: 15%;
            width: 250px;
            height: 250px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            animation-delay: 15s;
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0) translateX(0);
            }
            33% {
                transform: translateY(-30px) translateX(20px);
            }
            66% {
                transform: translateY(20px) translateX(-20px);
            }
        }
        
        .container {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 1;
            padding: 20px;
        }
        
        .auth-card {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            border-radius: 32px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            width: 100%;
            max-width: 480px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            animation: slideUp 0.6s ease-out;
        }
        
        .auth-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 35px 60px -15px rgba(0, 0, 0, 0.3);
        }
        
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .card-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 40px 40px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .card-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: pulse 8s infinite;
        }
        
        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
                opacity: 0.5;
            }
            50% {
                transform: scale(1.1);
                opacity: 0.8;
            }
        }
        
        .card-header h1 {
            color: white;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        
        .card-header p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
            position: relative;
            z-index: 1;
        }
        
        .card-body {
            padding: 40px;
        }
        
        .form-group {
            margin-bottom: 28px;
            position: relative;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #2d3748;
            font-size: 14px;
        }
        
        .input-group {
            position: relative;
            display: flex;
            align-items: center;
        }
        
        .input-group i {
            position: absolute;
            /*left: 16px;*/
            color: #a0aec0;
            font-size: 18px;
            transition: color 0.3s ease;
            z-index: 1;
        }
        
        .form-group input {
            width: 100%;
            padding: 14px 16px 14px 48px;
            border: 2px solid #e2e8f0;
            border-radius: 16px;
            font-size: 15px;
            transition: all 0.3s ease;
            background: white;
            font-family: 'Inter', sans-serif;
        }
        
        .form-group input:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
        }
        
        .form-group input:hover {
            border-color: #cbd5e0;
        }
        
        .input-group:focus-within i {
            color: #667eea;
        }
        
        .password-wrapper {
            position: relative;
        }
        
        .toggle-password {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: #a0aec0;
            transition: color 0.3s ease;
            z-index: 2;
        }
        
        .toggle-password:hover {
            color: #667eea;
        }
        
        .form-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 28px;
        }
        
        .checkbox-label {
            display: flex;
            align-items: center;
            cursor: pointer;
            font-size: 14px;
            color: #4a5568;
        }
        
        .checkbox-label input {
            width: auto;
            margin-right: 10px;
            cursor: pointer;
            accent-color: #667eea;
        }
        
        .forgot-link {
            color: #667eea;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        
        .forgot-link:hover {
            color: #764ba2;
            text-decoration: underline;
        }
        
        .btn-login-page {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 16px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .btn-login-page::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s ease;
        }
        
        .btn-login-page:hover::before {
            left: 100%;
        }
        
        .btn-login-page:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
        }
        
        .btn-login-page:active {
            transform: translateY(0);
        }
        
        .auth-footer {
            text-align: center;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid #e2e8f0;
        }
        
        .auth-footer p {
            color: #4a5568;
            font-size: 14px;
        }
        
        .auth-footer a {
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
        }
        
        .auth-footer a:hover {
            color: #764ba2;
            text-decoration: underline;
        }
        
        .alert {
            padding: 14px 16px;
            border-radius: 16px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            animation: shake 0.5s ease;
        }
        
        .alert i {
            font-size: 20px;
        }
        
        .alert-error {
            background-color: #fed7d7;
            border: 1px solid #fc8181;
            color: #c53030;
        }
        
        .alert-success {
            background-color: #c6f6d5;
            border: 1px solid #9ae6b4;
            color: #22543d;
        }
        
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-10px); }
            75% { transform: translateX(10px); }
        }
        
        .back-home {
            display: inline-block;
            margin-top: 20px;
            color: #a0aec0;
            text-decoration: none;
            font-size: 13px;
            transition: color 0.3s;
        }
        
        .back-home:hover {
            color: #667eea;
        }
        
        @media (max-width: 640px) {
            .card-header {
                padding: 30px 30px 20px;
            }
            
            .card-body {
                padding: 30px;
            }
            
            .logo {
                width: 60px;
                height: 60px;
            }
            
            .logo i {
                font-size: 32px;
            }
            
            .card-header h1 {
                font-size: 28px;
            }
        }