/*
 * AI Proxy 新控制台设计系统
 * - 复用 tokens.css 中已定义的 --ae-* 设计令牌（门户与控制台共用）
 * - 仅提供控制台组件类（c-*），布局交给 Bootstrap 栅格 / 工具类
 */

:root {
    --c-sidebar-width: 252px;
    --c-sidebar-collapsed: 74px;
    --c-radius: 14px;
    --c-radius-sm: 10px;
    --c-topbar-height: 60px;
    --c-sidebar-bg: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    --c-ink: var(--ae-text);
    --c-ink-soft: #475569;
    --c-line: #e2e8f0;
    --c-surface: #ffffff;
    --c-canvas: #f5f7fb;
    --c-focus: 0 0 0 3px rgba(37, 99, 235, 0.28);
}

.c-body {
    background: var(--c-canvas);
    color: var(--c-ink);
}

.c-body::before {
    content: none;
}

/* ============================================
 * 外壳布局
 * ============================================ */
.c-shell {
    display: grid;
    grid-template-columns: var(--c-sidebar-width) minmax(0, 1fr);
    min-height: 100vh;
    transition: grid-template-columns 0.18s ease;
}

.c-body.is-collapsed .c-shell {
    grid-template-columns: var(--c-sidebar-collapsed) minmax(0, 1fr);
}

/* ============================================
 * 侧边栏
 * ============================================ */
.c-sidebar {
    position: sticky;
    top: 0;
    align-self: start;
    height: 100vh;
    overflow-y: auto;
    padding: 18px 14px;
    background: var(--c-sidebar-bg);
    color: #e2e8f0;
}

.c-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 8px 18px;
    margin-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #fff;
    text-decoration: none;
}

.c-brand img {
    width: 34px;
    height: 34px;
    object-fit: contain;
    flex: 0 0 auto;
}

.c-brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    overflow: hidden;
}

.c-brand-copy strong { font-size: 0.98rem; font-weight: 700; }
.c-brand-copy small { font-size: 0.72rem; color: rgba(226, 232, 240, 0.6); letter-spacing: 0.04em; text-transform: uppercase; }

.c-nav { display: flex; flex-direction: column; gap: 16px; padding-top: 8px; }

.c-nav-label {
    padding: 0 10px 6px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.44);
}

.c-nav-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    border-radius: 12px;
    color: rgba(226, 232, 240, 0.82);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.15s ease, color 0.15s ease;
    white-space: nowrap;
}

.c-nav-link i { font-size: 1.02rem; width: 1.2rem; text-align: center; flex: 0 0 auto; }

.c-nav-link:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }

.c-nav-link.is-active {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(56, 189, 248, 0.75));
    color: #fff;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
}

.c-body.is-collapsed .c-brand-copy,
.c-body.is-collapsed .c-nav-label,
.c-body.is-collapsed .c-nav-link span {
    display: none;
}

.c-body.is-collapsed .c-nav-link { justify-content: center; padding: 11px 0; }

/* ============================================
 * 顶栏
 * ============================================ */
.c-stage { display: flex; flex-direction: column; min-width: 0; }

.c-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: var(--c-topbar-height);
    padding: 0 22px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--c-line);
}

.c-topbar-title { margin: 0; font-size: 1.06rem; font-weight: 700; }

.c-topbar-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }

.c-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--c-line);
    border-radius: 10px;
    background: #fff;
    color: var(--c-ink-soft);
    font-size: 1.15rem;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.c-icon-btn:hover { border-color: var(--ae-primary); color: var(--ae-primary); }
.c-icon-btn:focus-visible { outline: none; box-shadow: var(--c-focus); }

.c-user { display: inline-flex; align-items: center; gap: 8px; font-size: 0.88rem; color: var(--c-ink-soft); }
.c-user i { font-size: 1.15rem; color: var(--ae-primary); }
.c-user-name { font-weight: 600; color: var(--c-ink); }

.c-main { flex: 1; padding: 22px; max-width: 1600px; width: 100%; }

/* ============================================
 * 页面头
 * ============================================ */
.c-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.c-page-title { margin: 0; font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em; }
.c-page-subtitle { margin: 6px 0 0; color: var(--c-ink-soft); font-size: 0.92rem; max-width: 62ch; }
.c-page-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

/* ============================================
 * 卡片
 * ============================================ */
.c-card {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--c-radius);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    overflow: hidden;
}

.c-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 15px 18px;
    border-bottom: 1px solid var(--c-line);
}

.c-card-title { margin: 0; font-size: 0.98rem; font-weight: 700; }
.c-card-subtitle { margin: 4px 0 0; color: var(--c-ink-soft); font-size: 0.82rem; }
.c-card-actions { display: flex; align-items: center; gap: 8px; }
.c-card-body { padding: 18px; }
.c-card-foot { display: flex; align-items: center; justify-content: flex-end; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--ae-border); }

/* ============================================
 * 统计卡
 * ============================================ */
.c-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.c-stat {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px;
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-left: 4px solid var(--ae-primary);
    border-radius: var(--c-radius);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.c-stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    font-size: 1.2rem;
    background: rgba(37, 99, 235, 0.1);
    color: var(--ae-primary);
    flex: 0 0 auto;
}

.c-stat-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.c-stat-label { font-size: 0.82rem; color: var(--c-ink-soft); }
.c-stat-value { font-size: 1.55rem; font-weight: 700; line-height: 1.15; }
.c-stat-hint { font-size: 0.76rem; color: var(--c-ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.c-stat-success { border-left-color: #10b981; }
.c-stat-success .c-stat-icon { background: rgba(16, 185, 129, 0.12); color: #059669; }
.c-stat-warning { border-left-color: #f59e0b; }
.c-stat-warning .c-stat-icon { background: rgba(245, 158, 11, 0.14); color: #d97706; }
.c-stat-danger { border-left-color: #ef4444; }
.c-stat-danger .c-stat-icon { background: rgba(239, 68, 68, 0.12); color: #dc2626; }
.c-stat-info { border-left-color: #0ea5e9; }
.c-stat-info .c-stat-icon { background: rgba(14, 165, 233, 0.12); color: #0284c7; }
.c-stat-neutral { border-left-color: #94a3b8; }
.c-stat-neutral .c-stat-icon { background: rgba(148, 163, 184, 0.16); color: #475569; }

/* ============================================
 * 工具条
 * ============================================ */
.c-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 12px 14px;
    margin-bottom: 16px;
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--c-radius);
}

.c-toolbar-spacer { flex: 1 1 auto; }
.c-toolbar-count { font-size: 0.82rem; color: var(--c-ink-soft); }

.c-toolbar-field {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 10px;
    min-width: 260px;
    border: 1px solid var(--c-line);
    border-radius: var(--c-radius-sm);
    background: #fff;
}

.c-toolbar-field i { color: var(--c-ink-soft); }
.c-toolbar-field .c-input { border: none; padding-left: 0; box-shadow: none; background: transparent; }
.c-toolbar-field .c-input:focus { outline: none; box-shadow: none; }

/* ============================================
 * 表格
 * ============================================ */
.c-table-wrap {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--c-radius);
    overflow-x: auto;
}

.c-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }

.c-table thead th {
    position: sticky;
    top: 0;
    text-align: left;
    padding: 12px 14px;
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.02em;
    color: var(--c-ink-soft);
    background: #f8fafc;
    border-bottom: 1px solid var(--c-line);
    white-space: nowrap;
}

.c-table tbody td { padding: 12px 14px; border-bottom: 1px solid #eef2f7; vertical-align: middle; }
.c-table tbody tr:last-child td { border-bottom: none; }
.c-table tbody tr:hover { background: #f8fafc; }
.c-table td.c-table-actions { text-align: right; white-space: nowrap; }
.c-table .c-table-empty { text-align: center; color: var(--c-ink-soft); padding: 26px 14px; }

/* ============================================
 * 徽章
 * ============================================ */
.c-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.6;
    white-space: nowrap;
}

.c-badge-neutral { background: #eef2f7; color: #475569; }
.c-badge-ok { background: #dcfce7; color: #166534; }
.c-badge-warn { background: #fef3c7; color: #92400e; }
.c-badge-danger { background: #fee2e2; color: #991b1b; }
.c-badge-info { background: #dbeafe; color: #1d4ed8; }

/* ============================================
 * 按钮
 * ============================================ */
.c-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 8px 15px;
    border-radius: var(--c-radius-sm);
    border: 1px solid transparent;
    font-size: 0.86rem;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    white-space: nowrap;
}

.c-btn:focus-visible { outline: none; box-shadow: var(--c-focus); }
.c-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.c-btn-primary { background: var(--ae-primary); border-color: var(--ae-primary); color: #fff; }
.c-btn-primary:hover:not(:disabled) { background: var(--ae-primary-dark); border-color: var(--ae-primary-dark); color: #fff; }

.c-btn-ghost { background: #fff; border-color: var(--c-line); color: var(--c-ink-soft); }
.c-btn-ghost:hover:not(:disabled) { border-color: var(--ae-primary); color: var(--ae-primary); }

.c-btn-danger { background: #fff; border-color: #fecaca; color: #dc2626; }
.c-btn-danger:hover:not(:disabled) { background: #fef2f2; border-color: #ef4444; }

.c-btn-sm { padding: 5px 11px; font-size: 0.8rem; }

/* ============================================
 * 表单字段
 * ============================================ */
.c-form { display: flex; flex-direction: column; gap: 16px; }
.c-form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.c-form-section { margin: 8px 0 0; font-size: 0.86rem; font-weight: 700; color: var(--c-ink-soft); text-transform: uppercase; letter-spacing: 0.06em; }
.c-form-hint { margin: 0; color: var(--c-ink-soft); font-size: 0.84rem; }

.c-field { display: flex; flex-direction: column; gap: 6px; }
.c-field-label { font-size: 0.84rem; font-weight: 600; color: var(--c-ink); }
.c-field-required { color: #dc2626; font-style: normal; margin-left: 3px; }
.c-field-hint { font-size: 0.76rem; color: var(--c-ink-soft); }
.c-field-error { font-size: 0.76rem; color: #dc2626; }

.c-input,
.c-select,
.c-textarea {
    width: 100%;
    padding: 8px 11px;
    border: 1px solid var(--c-line);
    border-radius: var(--c-radius-sm);
    background: #fff;
    color: var(--c-ink);
    font-size: 0.88rem;
    font-family: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.c-input:focus,
.c-select:focus,
.c-textarea:focus { outline: none; border-color: var(--ae-primary); box-shadow: var(--c-focus); }
.c-input[readonly] { background: #f8fafc; color: var(--c-ink-soft); }
.c-textarea { resize: vertical; min-height: 62px; }
.c-select { appearance: auto; }

.c-check { display: inline-flex; align-items: center; gap: 8px; font-size: 0.88rem; }
.c-check label { cursor: pointer; }
.c-check-row { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.c-checkbox { width: 16px; height: 16px; accent-color: var(--ae-primary); }

/* ============================================
 * 标签页
 * ============================================ */
.c-tabs {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    padding: 4px;
    margin-bottom: 18px;
    background: #eef2f7;
    border-radius: var(--c-radius);
    width: fit-content;
}

.c-tab {
    padding: 8px 15px;
    border: none;
    border-radius: var(--c-radius-sm);
    background: transparent;
    color: var(--c-ink-soft);
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.c-tab:hover { color: var(--ae-primary); }
.c-tab.is-active { background: #fff; color: var(--ae-primary); box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12); }
.c-tab:focus-visible { outline: none; box-shadow: var(--c-focus); }

.c-tab-panel { display: none; }
.c-tab-panel.is-active { display: block; }

/* ============================================
 * 分页
 * ============================================ */
.c-pagination { display: flex; align-items: center; gap: 12px; justify-content: flex-end; padding: 14px 2px 0; }
.c-page-status { font-size: 0.82rem; color: var(--c-ink-soft); }

/* ============================================
 * 空状态 / 加载 / 提示
 * ============================================ */
.c-empty { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 40px 20px; text-align: center; }
.c-empty-icon { font-size: 2rem; color: #94a3b8; }
.c-empty-title { font-size: 0.98rem; font-weight: 700; }
.c-empty-desc { margin: 0; color: var(--c-ink-soft); font-size: 0.86rem; max-width: 46ch; }
.c-empty-action { margin-top: 8px; }

.c-state-loading { padding: 34px; text-align: center; color: var(--c-ink-soft); font-size: 0.88rem; }

.c-alert { padding: 12px 14px; border-radius: var(--c-radius-sm); font-size: 0.86rem; border: 1px solid transparent; }
.c-alert-danger { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.c-alert-warn { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.c-alert-info { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }
.c-alert-ok { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }

.c-issues { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }

/* ============================================
 * 运行健康 / 有效策略 / 线路 / 绑定
 * ============================================ */
.c-grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 16px; }

.c-health-list { display: flex; flex-direction: column; gap: 4px; }
.c-health-item { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 11px 0; border-bottom: 1px solid #eef2f7; }
.c-health-item:last-child { border-bottom: none; }
.c-health-copy { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.c-health-copy small { color: var(--c-ink-soft); }

.c-panel-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }

.c-route-list,
.c-binding-list { display: flex; flex-direction: column; gap: 14px; }

.c-route-card { border: 1px solid var(--c-line); border-radius: var(--c-radius); padding: 16px; background: #fff; }
.c-route-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.c-route-title { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 0.9rem; }
.c-route-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }

.c-binding-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 14px; border: 1px solid var(--c-line); border-radius: var(--c-radius-sm); }
.c-binding-meta { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.c-binding-meta small { color: var(--c-ink-soft); }

.c-policy { display: flex; flex-direction: column; gap: 16px; }
.c-policy-block { border: 1px solid var(--c-line); border-radius: var(--c-radius); padding: 16px; }
.c-policy-block h4 { margin: 0 0 10px; font-size: 0.9rem; }
.c-policy-list { margin: 0; padding-left: 18px; color: var(--c-ink-soft); font-size: 0.86rem; }
.c-policy-list li { margin-bottom: 4px; }

.c-kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px 22px; }
.c-kv-item { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.c-kv-label { font-size: 0.78rem; color: var(--c-ink-soft); }
.c-kv-value { font-size: 0.9rem; word-break: break-word; }

.c-health-result { margin-top: 16px; }

.c-modal .modal-header { border-bottom: 1px solid var(--c-line); }
.c-modal .modal-title { font-size: 1rem; font-weight: 700; }
.c-modal .modal-body { padding: 20px; }

.c-modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }

.c-table-actions .c-btn { margin-left: 6px; }

/* ============================================
 * 遮罩（移动端侧边栏）
 * ============================================ */
.c-scrim { position: fixed; inset: 0; background: rgba(15, 23, 42, 0.42); z-index: 30; }
.c-scrim[hidden] { display: none; }

/* ============================================
 * 响应式
 * ============================================ */
@media (max-width: 992px) {
    .c-shell,
    .c-body.is-collapsed .c-shell { grid-template-columns: minmax(0, 1fr); }

    .c-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 40;
        width: var(--c-sidebar-width);
        transform: translateX(-100%);
        transition: transform 0.2s ease;
    }

    .c-body.is-nav-open .c-sidebar { transform: translateX(0); }
    .c-body.is-collapsed .c-brand-copy,
    .c-body.is-collapsed .c-nav-label,
    .c-body.is-collapsed .c-nav-link span { display: block; }
    .c-body.is-collapsed .c-nav-link { justify-content: flex-start; padding: 10px 12px; }
}

@media (max-width: 768px) {
    .c-main { padding: 16px; }
    .c-topbar { padding: 0 14px; gap: 10px; }
    .c-topbar-title { font-size: 0.98rem; }
    .c-page-title { font-size: 1.28rem; }
    .c-user-inline { display: none; }
    .c-toolbar-field { min-width: 0; flex: 1 1 100%; }
    .c-grid-2 { grid-template-columns: minmax(0, 1fr); }
    .c-stat-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
    .c-pagination { justify-content: space-between; }
}

/* ============================================
 * 管理员登录 / 初始化
 * ============================================ */

.c-login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.c-login { width: min(420px, 100%); display: flex; flex-direction: column; gap: 18px; }
.c-login-brand { display: flex; align-items: center; gap: 12px; }
.c-login-brand img { width: 40px; height: 40px; object-fit: contain; }
.c-login-brand div { display: flex; flex-direction: column; }
.c-login-brand strong { font-size: 1.05rem; }
.c-login-brand small { color: var(--ae-muted); font-size: 0.76rem; letter-spacing: 0.08em; text-transform: uppercase; }
.c-login .c-card-body { padding: 22px; }
.c-login .c-modal-actions { margin-top: 4px; }