* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 20px;
        }

        .login-container {
            background: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 400px;
            animation: fadeIn 0.5s ease-out;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .login-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .login-header h1 {
            color: #333;
            font-size: 28px;
            margin-bottom: 10px;
        }

        .login-header p {
            color: #666;
            font-size: 14px;
        }

        .input-group {
            margin-bottom: 20px;
            position: relative;
        }

        .input-group input {
            width: 100%;
            padding: 15px 15px 15px 45px;
            border: 2px solid #e1e1e1;
            border-radius: 10px;
            font-size: 16px;
            transition: all 0.3s ease;
        }

        .input-group input:focus {
            border-color: #667eea;
            outline: none;
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
        }

        .input-group i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #666;
        }

        .remember-forgot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .remember-me {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .remember-me input[type="checkbox"] {
            accent-color: #667eea;
        }

        .forgot-password {
            color: #667eea;
            text-decoration: none;
            font-size: 14px;
        }

        .login-button {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            border-radius: 10px;
            color: white;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s ease;
        }

        .login-button:hover {
            transform: translateY(-2px);
        }

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

        .error-message {
            color: #dc3545;
            font-size: 14px;
            margin-top: 5px;
            display: none;
        }

        .success-message {
            color: #28a745;
            font-size: 14px;
            margin-top: 5px;
            display: none;
        }