/* static/admin/admin.css —— 系统管理页（Phase 4） */
/* 依赖 /css/theme.css 的 CSS 变量与按钮 / 模态框样式 */

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}

/* ===== 顶部导航 ===== */
.admin-header {
    max-width: 1280px;
    margin: 0 auto 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 20px;
    background: var(--container-bg);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-left h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.header-left h1 i {
    color: var(--primary-light);
    margin-right: 6px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-badge {
    font-size: 0.78rem;
    color: var(--text-secondary);
    background: rgba(99, 102, 241, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
    white-space: nowrap;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--primary-light);
    color: #fff;
    border-color: transparent;
    transform: scale(1.05);
}

/* ===== 主体 ===== */
.admin-main {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

.panel {
    background: var(--container-bg);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 16px 18px;
    min-width: 0;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 10px;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 600;
}

.panel-title i {
    color: var(--primary-light);
}

.panel-hint {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.panel-desc {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.65;
    margin: 6px 0;
}

.panel-desc.danger {
    color: #f59e0b;
}

.panel-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 16px;
}

/* ===== 初始化状态 ===== */
.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 8px;
    margin-top: 10px;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--card-bg);
    font-size: 0.78rem;
}

.status-pill {
    padding: 2px 9px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
}

.status-pill.ok {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.status-pill.warn {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

.status-pill.bad {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

/* ===== 工具栏 ===== */
.toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.toolbar input[type="text"],
.toolbar input[type="number"] {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-primary);
    padding: 6px 12px;
    font-size: 0.8rem;
    outline: none;
    font-family: inherit;
}

.toolbar input[type="text"] {
    min-width: 160px;
}

.toolbar input[type="number"] {
    width: 86px;
}

.toolbar input:focus {
    border-color: var(--primary-light);
}

.chip {
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 20px;
    padding: 4px 12px;
    cursor: pointer;
    font-size: 0.75rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.chip:hover {
    color: var(--text-primary);
    border-color: var(--primary-light);
}

.chip.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
}

.inline-field {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* ===== 表格 ===== */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.data-table th {
    text-align: left;
    padding: 9px 12px;
    background: var(--hover-bg);
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

.data-table td {
    padding: 9px 12px;
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr:hover td {
    background: rgba(99, 102, 241, 0.05);
}

.data-table .nowrap {
    white-space: nowrap;
}

.empty {
    text-align: center !important;
    color: var(--text-secondary) !important;
    padding: 22px !important;
}

.mono {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 0.78rem;
}

.muted {
    color: var(--text-secondary);
}

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    background: var(--hover-bg);
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 500;
}

.badge-admin {
    background: rgba(99, 102, 241, 0.18);
    color: var(--primary-light);
}

.btn-xs {
    padding: 3px 12px !important;
    font-size: 0.72rem !important;
    border-radius: 20px !important;
    width: auto !important;
}

.pager {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    font-size: 0.76rem;
    color: var(--text-secondary);
}

/* ===== 用量统计 ===== */
.stat-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 8px 0 14px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 12px;
}

.stat-card .num {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-card .label {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.usage-chart {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 90px;
    padding: 6px 2px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 12px;
}

.usage-bar {
    flex: 1;
    min-width: 2px;
    background: var(--primary-gradient);
    border-radius: 3px 3px 0 0;
    opacity: 0.85;
    transition: opacity var(--transition-fast);
}

.usage-bar:hover {
    opacity: 1;
}

.usage-empty {
    margin: auto;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

/* ===== 主密钥弹窗 ===== */
.cmd {
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 0.78rem;
    margin: 8px 0;
    word-break: break-all;
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.master-key-box {
    background: var(--card-bg);
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    padding: 14px;
    margin: 12px 0;
    word-break: break-all;
    line-height: 1.6;
}

.master-key-box code {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.key-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
}

#keyCountdown {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
    font-size: 1.05rem;
    font-weight: 700;
    color: #f59e0b;
}

/* ===== 功能开关（运行级配置） ===== */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.settings-grid > .empty {
    grid-column: 1 / -1;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.setting-info {
    min-width: 0;
}

.setting-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
}

.setting-desc {
    margin-top: 2px;
    font-size: 0.72rem;
    line-height: 1.4;
    color: var(--text-secondary);
}

/* 仿 iOS 拨动开关：input[type=checkbox] 直接用 appearance:none 绘制 */
.setting-switch {
    -webkit-appearance: none;
    appearance: none;
    position: relative;
    flex: 0 0 auto;
    width: 44px;
    height: 24px;
    margin: 0;
    border: none;
    border-radius: 999px;
    background: #d1d5db;
    cursor: pointer;
    outline: none;
    transition: background 0.2s ease;
}

.setting-switch::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
    transition: transform 0.2s ease;
}

.setting-switch:checked {
    background: #10b981;
}

.setting-switch:checked::before {
    transform: translateX(20px);
}

.setting-switch:focus-visible {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
}

.setting-switch:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

[data-theme="dark"] .setting-switch {
    background: #4b5563;
}

[data-theme="dark"] .setting-switch:checked {
    background: #10b981;
}

/* ===== 响应式 ===== */
@media (max-width: 980px) {
    .panel-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    body {
        padding: 10px;
    }
    .admin-header {
        padding: 10px 12px;
    }
    .panel {
        padding: 12px;
    }
    .stat-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .data-table th,
    .data-table td {
        padding: 8px;
    }
}