* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            min-height: 100vh;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .login-container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            overflow: hidden;
            width: 100%;
            max-width: 400px;
            animation: slideUp 0.6s ease;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .login-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 40px 30px;
            text-align: center;
            color: white;
        }

        .logo {
            width: 80px;
            height: 80px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(10px);
        }

        .logo svg {
            width: 45px;
            height: 45px;
            stroke: white;
            stroke-width: 2;
            fill: none;
        }

        .login-header h1 {
            font-size: 28px;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .login-header p {
            font-size: 14px;
            opacity: 0.9;
        }

        .login-form {
            padding: 40px 30px;
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 600;
            font-size: 14px;
        }

        .input-wrapper {
            position: relative;
        }

        .input-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            width: 20px;
            height: 20px;
            stroke: #999;
            stroke-width: 2;
            fill: none;
        }

        .form-group input {
            width: 100%;
            padding: 14px 15px 14px 45px;
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            font-size: 15px;
            transition: all 0.3s ease;
            background: #f9f9f9;
        }

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

        .password-toggle {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .password-toggle svg {
            width: 20px;
            height: 20px;
            stroke: #999;
            stroke-width: 2;
            fill: none;
        }

        .form-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            font-size: 14px;
        }

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

        .remember-me input[type="checkbox"] {
            width: 18px;
            height: 18px;
            cursor: pointer;
            accent-color: #667eea;
        }

        .remember-me label {
            color: #666;
            cursor: pointer;
            font-weight: 400;
        }

        .forgot-password {
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
        }

        .forgot-password:hover {
            color: #764ba2;
        }

        .submit-btn {
            width: 100%;
            padding: 16px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(102, 126, 234, 0.5);
        }

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

        .register-link {
            text-align: center;
            margin-top: 25px;
            color: #666;
            font-size: 14px;
        }

        .register-link a {
            color: #667eea;
            text-decoration: none;
            font-weight: 700;
            transition: color 0.3s ease;
        }

        .register-link a:hover {
            color: #764ba2;
        }

        /* Alert/Toast Message */
        .alert {
            position: fixed;
            top: 20px;
            right: 20px;
            background: white;
            padding: 20px 25px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            display: none;
            align-items: center;
            gap: 15px;
            max-width: 350px;
            z-index: 1000;
            animation: slideIn 0.3s ease;
        }

        @keyframes slideIn {
            from {
                transform: translateX(400px);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        .alert.show {
            display: flex;
        }

        .alert.success {
            border-left: 4px solid #10b981;
        }

        .alert.error {
            border-left: 4px solid #ef4444;
        }

        .alert-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
        }

        .alert-icon.success {
            stroke: #10b981;
        }

        .alert-icon.error {
            stroke: #ef4444;
        }

        .alert-content h4 {
            font-size: 15px;
            margin-bottom: 3px;
            color: #333;
        }

        .alert-content p {
            font-size: 13px;
            color: #666;
        }

        /* Responsive */
        @media (max-width: 480px) {
            .login-container {
                max-width: 100%;
            }

            .login-header {
                padding: 30px 20px;
            }

            .login-header h1 {
                font-size: 24px;
            }

            .login-form {
                padding: 30px 20px;
            }

            .form-options {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .alert {
                max-width: calc(100% - 40px);
                right: 20px;
                left: 20px;
            }
        }