/* ============================================
   亚马逊AI运营中台 - 统一总控台样式
   ============================================ */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --purple: #8b5cf6;
    --info: #06b6d4;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --sidebar-bg: #1e293b;
    --sidebar-width: 240px;
    --sidebar-collapsed: 64px;
    --header-height: 60px;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    overflow-x: hidden;
}

#app {
    display: flex;
    min-height: 100vh;
}

/* ========== 顶部Header ========== */
.top-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.menu-toggle {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.menu-toggle:hover { background: var(--bg); color: var(--primary); }

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.logo i {
    color: var(--primary);
    font-size: 22px;
}

.version-tag {
    font-size: 11px;
    font-weight: 500;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    color: white;
    padding: 2px 8px;
    border-radius: 20px;
    margin-left: 8px;
}

.header-center { flex: 1; max-width: 500px; margin: 0 30px; }

.global-search {
    position: relative;
    width: 100%;
}

.global-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.global-search input {
    width: 100%;
    padding: 9px 12px 9px 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    font-size: 13px;
    transition: all 0.2s;
}

.global-search input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-icon {
    position: relative;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
}

.header-icon:hover { background: var(--bg); color: var(--primary); }

.badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 16px;
    height: 16px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}

.user-profile:hover { background: var(--bg); }

.user-profile img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.user-profile span { font-weight: 500; }

.user-profile i { font-size: 12px; color: var(--text-muted); }

/* ========== 左侧导航 ========== */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: #94a3b8;
    display: flex;
    flex-direction: column;
    transition: width 0.3s ease;
    z-index: 999;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar.collapsed { width: var(--sidebar-collapsed); }

.sidebar-menu { flex: 1; padding: 12px 0; }

.menu-section { margin-bottom: 8px; }

.section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 8px 20px;
    color: #64748b;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    margin: 0 8px;
    border-radius: var(--radius);
}

.menu-item:hover {
    background: rgba(255,255,255,0.05);
    color: #e2e8f0;
}

.menu-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}

.menu-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.menu-item span { flex: 1; white-space: nowrap; }

.menu-badge {
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 10px;
    background: rgba(255,255,255,0.15);
    color: inherit;
}

.menu-badge.new {
    background: var(--success);
    color: white;
    font-size: 10px;
}

.menu-badge.warn {
    background: var(--warning);
    color: white;
}

.menu-badge.danger {
    background: var(--danger);
    color: white;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 12px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--secondary);
}

.status-dot.online { background: var(--success); box-shadow: 0 0 0 3px rgba(16,185,129,0.2); }

.module-status { color: #64748b; font-size: 11px; }

/* ========== 主内容区 ========== */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: 24px;
    min-height: calc(100vh - var(--header-height));
    transition: margin-left 0.3s ease;
    width: calc(100% - var(--sidebar-width));
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed);
    width: calc(100% - var(--sidebar-collapsed));
}

.page { display: none; animation: fadeIn 0.3s ease; }
.page.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

.page-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.current-time {
    color: var(--text-muted);
    font-size: 13px;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: white;
    color: var(--text);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
    background: var(--secondary);
    border-color: var(--secondary);
    color: white;
}

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

/* ========== KPI卡片 ========== */
.kpi-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
    transition: all 0.2s;
}

.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.kpi-card.urgent { border-left-color: var(--primary); }
.kpi-card.warning { border-left-color: var(--warning); }
.kpi-card.danger { border-left-color: var(--danger); }
.kpi-card.info { border-left-color: var(--info); }
.kpi-card.purple { border-left-color: var(--purple); }
.kpi-card.success { border-left-color: var(--success); }

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
}

.kpi-card.urgent .kpi-icon { background: linear-gradient(135deg, var(--primary), #3b82f6); }
.kpi-card.warning .kpi-icon { background: linear-gradient(135deg, var(--warning), #fbbf24); }
.kpi-card.danger .kpi-icon { background: linear-gradient(135deg, var(--danger), #f87171); }
.kpi-card.info .kpi-icon { background: linear-gradient(135deg, var(--info), #22d3ee); }
.kpi-card.purple .kpi-icon { background: linear-gradient(135deg, var(--purple), #a78bfa); }
.kpi-card.success .kpi-icon { background: linear-gradient(135deg, var(--success), #34d399); }

.kpi-info { flex: 1; }

.kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.kpi-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

.kpi-trend {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.kpi-trend .up { color: var(--danger); font-weight: 600; }
.kpi-trend .down { color: var(--success); font-weight: 600; }

.tag {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(239,68,68,0.1);
    color: var(--danger);
}

/* ========== 快捷入口 ========== */
.quick-access {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.quick-access h3 {
    font-size: 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.quick-access h3 i { color: var(--warning); }

.quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

.quick-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.quick-item:hover {
    border-color: var(--primary);
    background: rgba(37,99,235,0.03);
    transform: translateY(-2px);
}

.quick-item i {
    font-size: 24px;
    color: var(--primary);
}

.quick-item span {
    font-size: 12px;
    font-weight: 500;
    color: var(--text);
}

/* ========== Dashboard双栏 ========== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 1200px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}

.panel {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.panel-header h3 {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-link {
    font-size: 12px;
    color: var(--primary);
    cursor: pointer;
    text-decoration: none;
}

.panel-link:hover { text-decoration: underline; }

/* ========== 任务列表 ========== */
.task-list { padding: 8px; }

.task-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius);
    transition: all 0.2s;
    cursor: pointer;
}

.task-item:hover { background: var(--bg); }

.task-priority {
    width: 4px;
    height: 40px;
    border-radius: 2px;
    flex-shrink: 0;
}

.task-priority.S { background: var(--danger); }
.task-priority.A { background: var(--warning); }
.task-priority.B { background: var(--primary); }
.task-priority.C { background: var(--secondary); }

.task-content { flex: 1; min-width: 0; }

.task-title {
    font-weight: 500;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.task-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.task-tag {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
    white-space: nowrap;
}

.task-tag.agent { background: rgba(139,92,246,0.1); color: var(--purple); }
.task-tag.manual { background: rgba(6,182,212,0.1); color: var(--info); }
.task-tag.approval { background: rgba(245,158,11,0.1); color: var(--warning); }

.task-status {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
    white-space: nowrap;
}

.task-status.pending { background: rgba(37,99,235,0.1); color: var(--primary); }
.task-status.processing { background: rgba(245,158,11,0.1); color: var(--warning); }
.task-status.done { background: rgba(16,185,129,0.1); color: var(--success); }

/* ========== ASIN列表 ========== */
.asin-list { padding: 8px; }

.asin-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius);
    transition: all 0.2s;
    cursor: pointer;
}

.asin-item:hover { background: var(--bg); }

.asin-image {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-muted);
    flex-shrink: 0;
    border: 1px solid var(--border);
}

.asin-info { flex: 1; min-width: 0; }

.asin-name {
    font-weight: 500;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.asin-id {
    font-size: 12px;
    color: var(--text-muted);
    font-family: monospace;
}

.asin-stock {
    text-align: right;
}

.stock-days {
    font-size: 18px;
    font-weight: 700;
    color: var(--danger);
}

.stock-label {
    font-size: 11px;
    color: var(--text-muted);
}

/* ========== 异常列表 ========== */
.exception-list { padding: 8px; }

.exception-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius);
    transition: all 0.2s;
    cursor: pointer;
    border-left: 3px solid transparent;
}

.exception-item:hover { background: var(--bg); }

.exception-item.S { border-left-color: var(--danger); }
.exception-item.A { border-left-color: var(--warning); }
.exception-item.B { border-left-color: var(--primary); }

.exception-level {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.exception-level.S { background: var(--danger); }
.exception-level.A { background: var(--warning); }
.exception-level.B { background: var(--primary); }

.exception-content { flex: 1; min-width: 0; }

.exception-title {
    font-weight: 500;
    font-size: 13px;
}

.exception-desc {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========== 复盘列表 ========== */
.review-list { padding: 8px; }

.review-item {
    padding: 12px;
    border-radius: var(--radius);
    transition: all 0.2s;
    cursor: pointer;
    border-left: 3px solid var(--success);
}

.review-item:hover { background: var(--bg); }

.review-title {
    font-weight: 500;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.review-title i { color: var(--success); font-size: 12px; }

.review-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
    display: flex;
    gap: 12px;
}

.review-status {
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 4px;
    background: rgba(16,185,129,0.1);
    color: var(--success);
}

.review-status.pending {
    background: rgba(245,158,11,0.1);
    color: var(--warning);
}

/* ========== 模块状态列表 ========== */
.module-status-list { padding: 12px; }

.status-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

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

.status-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
}

.status-name i {
    width: 20px;
    text-align: center;
    color: var(--text-muted);
}

.status-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.status-badge.online {
    background: rgba(16,185,129,0.1);
    color: var(--success);
}

.status-badge.offline {
    background: rgba(239,68,68,0.1);
    color: var(--danger);
}

.status-badge.pending {
    background: rgba(100,116,139,0.1);
    color: var(--secondary);
}

/* ========== iframe页面 ========== */
.iframe-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.iframe-title h2 {
    font-size: 18px;
    font-weight: 600;
}

.iframe-url {
    font-size: 12px;
    color: var(--text-muted);
    font-family: monospace;
    margin-top: 2px;
    display: block;
}

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

.iframe-wrapper {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    height: calc(100vh - var(--header-height) - 120px);
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.iframe-loading {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--card-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: opacity 0.3s;
}

.iframe-loading.hidden { opacity: 0; pointer-events: none; }

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.iframe-loading p {
    margin-top: 12px;
    color: var(--text-muted);
    font-size: 13px;
}

/* ========== 审批中心 ========== */
.approval-container {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.approval-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
}

.tab {
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tab:hover { color: var(--text); }

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab .badge {
    position: static;
    background: var(--danger);
    height: 18px;
    min-width: 18px;
    font-size: 11px;
}

.approval-list { padding: 20px; }

.approval-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    transition: all 0.2s;
}

.approval-item:hover {
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.approval-info { flex: 1; }

.approval-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
}

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

.approval-risk {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.approval-risk.high {
    background: rgba(239,68,68,0.1);
    color: var(--danger);
}

.approval-risk.medium {
    background: rgba(245,158,11,0.1);
    color: var(--warning);
}

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

/* ========== 异常中心 ========== */
.exception-container {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 20px;
}

.exception-filters {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-group label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.filter-group select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: white;
    font-size: 13px;
    min-width: 150px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.data-table tr:hover { background: var(--bg); }

.level-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 700;
    color: white;
}

.level-badge.S { background: var(--danger); }
.level-badge.A { background: var(--warning); }
.level-badge.B { background: var(--primary); }
.level-badge.C { background: var(--secondary); }

.status-text {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.status-text.pending { background: rgba(37,99,235,0.1); color: var(--primary); }
.status-text.processing { background: rgba(245,158,11,0.1); color: var(--warning); }
.status-text.resolved { background: rgba(16,185,129,0.1); color: var(--success); }
.status-text.ignored { background: rgba(100,116,139,0.1); color: var(--secondary); }

.action-btns {
    display: flex;
    gap: 6px;
}

.action-btns .btn { padding: 4px 10px; font-size: 12px; }

/* ========== 设置中心 ========== */
.settings-container {
    display: flex;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    min-height: 600px;
}

.settings-sidebar {
    width: 200px;
    border-right: 1px solid var(--border);
    padding: 16px 0;
    background: var(--bg);
}

.settings-tab {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.settings-tab:hover { background: rgba(37,99,235,0.05); color: var(--primary); }

.settings-tab.active {
    background: white;
    color: var(--primary);
    border-left-color: var(--primary);
}

.settings-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.setting-panel { display: none; }
.setting-panel.active { display: block; animation: fadeIn 0.3s ease; }

.panel-desc {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 13px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    transition: all 0.2s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group.checkbox input {
    width: auto;
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-weight: 400;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.range-value {
    display: inline-block;
    margin-left: 8px;
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    min-width: 30px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* Agent Registry */
.agent-registry-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.agent-reg-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
}

.agent-reg-item:hover { border-color: var(--primary); }

.agent-reg-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary), var(--purple));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.agent-reg-info { flex: 1; }

.agent-reg-name {
    font-weight: 600;
    font-size: 14px;
}

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

.agent-reg-status {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.agent-reg-status.active {
    background: rgba(16,185,129,0.1);
    color: var(--success);
}

.agent-reg-status.inactive {
    background: rgba(100,116,139,0.1);
    color: var(--secondary);
}

/* MCP */
.mcp-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.mcp-item.placeholder {
    padding: 40px;
    text-align: center;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
}

.mcp-item.placeholder i {
    font-size: 32px;
    margin-bottom: 12px;
    display: block;
}

.mcp-item.placeholder p {
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--text);
}

.mcp-item.placeholder span {
    font-size: 12px;
}

/* ========== 下拉面板 ========== */
.dropdown-panel {
    position: fixed;
    top: var(--header-height);
    right: 20px;
    width: 360px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    display: none;
    overflow: hidden;
    border: 1px solid var(--border);
}

.dropdown-panel.show { display: block; animation: slideDown 0.2s ease; }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.dropdown-header h4 { font-size: 15px; }

.mark-all-read {
    font-size: 12px;
    color: var(--primary);
    cursor: pointer;
}

.dropdown-list {
    max-height: 400px;
    overflow-y: auto;
}

.noti-item {
    display: flex;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
}

.noti-item:hover { background: var(--bg); }

.noti-item.unread { background: rgba(37,99,235,0.03); }

.noti-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
}

.noti-icon.task { background: rgba(37,99,235,0.1); color: var(--primary); }
.noti-icon.approval { background: rgba(245,158,11,0.1); color: var(--warning); }
.noti-icon.exception { background: rgba(239,68,68,0.1); color: var(--danger); }

.noti-content { flex: 1; }

.noti-title {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 2px;
}

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

.noti-time {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ========== 弹窗 ========== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.show { display: flex; }

.modal {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 16px; font-weight: 600; }

.modal-close {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius);
}

.modal-close:hover { background: var(--bg); color: var(--danger); }

.modal-body {
    padding: 20px;
    overflow-y: auto;
    max-height: 60vh;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

/* ========== Toast ========== */
.toast-container {
    position: fixed;
    top: calc(var(--header-height) + 20px);
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 14px 18px;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 280px;
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

.toast i { font-size: 18px; }

.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }
.toast.warning i { color: var(--warning); }

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; width: 100%; }

    .kpi-cards { grid-template-columns: 1fr; }
    .quick-grid { grid-template-columns: repeat(2, 1fr); }
    .dashboard-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .settings-container { flex-direction: column; }
    .settings-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--border); }
    .exception-filters { flex-direction: column; }
    .approval-tabs { overflow-x: auto; }
}

/* ========== 滚动条美化 ========== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* 隐藏类 */
.hidden { display: none !important; }