/* login.php styles */
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        
        .login-container {
            width: 100%;
            max-width: 400px;
        }
        
        .login-form {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
        }
        
        .login-title {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 30px;
        }

        .site-logo {
            width: 40px;
            height: 40px;
            object-fit: contain;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .login-form h2 {
            text-align: center;
            margin: 0;
            color: #333;
            font-size: 24px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
        }
        
        .input-with-icon {
            display: flex;
            align-items: center;
            border: 1px solid #ddd;
            border-radius: 5px;
            background: white;
            transition: border-color 0.3s;
        }
        
        .input-with-icon:focus-within {
            border-color: #667eea;
        }
        
        .input-icon {
            padding: 0 12px;
            font-size: 18px;
            color: #999;
            display: flex;
            align-items: center;
            flex-shrink: 0;
            line-height: 1;
        }
        
        .password-toggle {
            padding: 0 12px;
            font-size: 18px;
            color: #999;
            cursor: pointer;
            display: flex;
            align-items: center;
            flex-shrink: 0;
            transition: color 0.3s;
            user-select: none;
        }
        
        .password-toggle:hover {
            color: #667eea;
        }
        
        .form-group input {
            width: 100%;
            padding: 12px;
            border: none;
            border-radius: 5px;
            font-size: 14px;
            outline: none;
            background: transparent;
        }
        
        .form-group input:focus {
            outline: none;
        }
        
        .captcha-input-wrapper {
            display: flex;
            align-items: center;
            border: 1px solid #ddd;
            border-radius: 5px;
            background: white;
            transition: border-color 0.3s;
            padding: 0 12px;
        }
        
        .captcha-input-wrapper:focus-within {
            border-color: #667eea;
        }
        
        .captcha-input-wrapper input {
            border: none;
            outline: none;
            background: transparent;
            padding: 12px 0;
            flex: 1;
            font-size: 14px;
        }
        
        .captcha-img {
            cursor: pointer;
            border: 1px solid #ddd;
            border-radius: 5px;
            height: 40px;
            transition: opacity 0.3s;
        }
        
        .captcha-img:hover {
            opacity: 0.8;
        }
        
        .captcha-hint {
            color: #999;
            font-size: 12px;
            display: block;
            margin-top: 5px;
        }
        
        .btn {
            padding: 12px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s;
            width: 100%;
        }
        
        .btn-primary {
            background: #4CAF50;
            color: white;
        }
        
        .btn-primary:hover {
            background: #45a049;
        }
        
        .alert {
            padding: 12px 20px;
            border-radius: 5px;
            margin-bottom: 20px;
        }
        
        .alert-success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }
        
        .alert-error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }