:root {
    --bg-primary: #0d0f14;
    --bg-secondary: #151820;
    --bg-card: #1a1d28;
    --bg-card-hover: #222633;
    --border-color: #2a2d3a;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0ab;
    --text-muted: #6b7280;
    --green: #22c55e;
    --green-bg: rgba(34, 197, 94, 0.15);
    --green-border: rgba(34, 197, 94, 0.3);
    --red: #ef4444;
    --red-bg: rgba(239, 68, 68, 0.15);
    --blue: #3b82f6;
    --purple: #8b5cf6;
    --orange: #f59e0b;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--text-primary);
}

.page-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
}

.page-title i {
    color: var(--green);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-icon-btn {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 16px;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-icon-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.main-content {
    flex: 1;
    padding: 24px;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.config-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.config-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
}

.card-header h3 i {
    color: var(--green);
}

/* 提供商网格 */
.provider-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.provider-card {
    padding: 16px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.provider-card:hover {
    border-color: var(--text-muted);
    background: var(--bg-card-hover);
}

.provider-card.active {
    border-color: var(--green);
    background: var(--green-bg);
}

.provider-card i {
    font-size: 28px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.provider-card.active i {
    color: var(--green);
}

.provider-card .provider-name {
    font-size: 13px;
    font-weight: 500;
}

/* 表单 */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    color: var(--text-secondary);
}

.form-control {
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-control:focus {
    border-color: var(--green);
}

.input-with-toggle {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-toggle .form-control {
    flex: 1;
    padding-right: 40px;
}

.toggle-visibility {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
}

.form-range {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-secondary);
    outline: none;
    -webkit-appearance: none;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--green);
    cursor: pointer;
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}

.test-result {
    font-size: 13px;
}

.test-result.success {
    color: var(--green);
}

.test-result.error {
    color: var(--red);
}

/* 设置列表 */
.settings-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.setting-name {
    font-size: 14px;
    font-weight: 500;
}

.setting-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* 开关 */
.switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 26px;
    transition: 0.3s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: 0.3s;
}

input:checked + .slider {
    background: var(--green-bg);
    border-color: var(--green-border);
}

input:checked + .slider:before {
    transform: translateX(22px);
    background: var(--green);
}

/* 模型列表 */
.models-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.model-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.model-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.model-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.model-status.active {
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
}

.model-status.inactive {
    background: var(--text-muted);
}

.model-name {
    font-size: 14px;
    font-weight: 500;
}

.model-provider {
    font-size: 12px;
    color: var(--text-muted);
}

.model-actions {
    display: flex;
    gap: 8px;
}

.model-actions button {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-set-active {
    background: var(--green-bg);
    color: var(--green);
    border: 1px solid var(--green-border);
}

.btn-set-active:hover {
    background: var(--green);
    color: white;
}

.btn-delete {
    background: var(--red-bg);
    color: var(--red);
    border: 1px solid var(--red-border);
}

.btn-delete:hover {
    background: var(--red);
    color: white;
}

/* 按钮 */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 15px;
}

.btn-primary {
    background: var(--green);
    color: white;
}

.btn-primary:hover {
    background: #16a34a;
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

.save-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 20px 0;
}

/* 响应式 */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .provider-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .save-actions {
        flex-direction: column;
    }
    
    .save-actions .btn {
        width: 100%;
        justify-content: center;
    }
}