/* Settings Button 设置按钮 */
.settings-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    font-size: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    z-index: 100;
}

.settings-btn:hover {
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.settings-btn.active {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(245, 87, 108, 0.4);
    }
    50% {
        box-shadow: 0 6px 25px rgba(245, 87, 108, 0.8);
    }
}

/* Modal Styles 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    margin: 10% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 30px;
    border-bottom: 2px solid #e0e7ff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px 20px 0 0;
    color: white;
}

.modal-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

.modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.modal-body {
    padding: 30px;
}

.setting-item {
    margin-bottom: 25px;
}

.setting-item label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #333;
    font-size: 16px;
}

.setting-item input[type="password"],
.setting-item input[type="text"] {
    width: calc(100% - 50px);
    display: inline-block;
}

.api-key-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e7ff;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
    font-family: 'Monaco', 'Courier New', monospace;
}

.api-key-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.toggle-visibility-btn {
    position: absolute;
    right: 45px;
    margin-top: -48px;
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.toggle-visibility-btn:hover {
    background: rgba(102, 126, 234, 0.1);
}

.setting-hint {
    display: block;
    margin-top: 8px;
    color: #6b7280;
    font-size: 14px;
    line-height: 1.5;
}

.setting-actions {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    justify-content: flex-end;
}

.save-btn, .clear-key-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.save-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.save-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.clear-key-btn {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.4);
}

.clear-key-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 87, 108, 0.6);
}

/* Responsive Styles 响应式样式 */
@media (max-width: 768px) {
    .settings-btn {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .modal-content {
        margin: 20% auto;
        width: 95%;
    }
    
    .modal-header {
        padding: 20px;
    }
    
    .modal-header h2 {
        font-size: 20px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .setting-actions {
        flex-direction: column;
    }
    
    .save-btn, .clear-key-btn {
        width: 100%;
    }
    
    .toggle-visibility-btn {
        right: 35px;
        margin-top: -46px;
    }
}

@media (max-width: 480px) {
    .modal-content {
        margin: 10% auto;
    }
    
    .api-key-input {
        font-size: 14px;
    }
}