:root {
    color-scheme: dark;
    --titanium-bg: #08080a;
    --titanium-surface: rgba(28, 28, 30, 0.78);
    --titanium-surface-raised: rgba(44, 44, 46, 0.64);
    --titanium-surface-solid: #1c1c1e;
    --titanium-text: #f5f5f7;
    --titanium-text-secondary: #a1a1a6;
    --titanium-text-muted: #8e8e93;
    --titanium-accent: #5e8dff;
    --titanium-success: #30d158;
    --titanium-warning: #ff9f0a;
    --titanium-danger: #ff453a;
    --alert-red: var(--titanium-danger);
    --titanium-border: rgba(255, 255, 255, 0.10);
    --titanium-border-strong: rgba(255, 255, 255, 0.18);
    --titanium-radius-sm: 10px;
    --titanium-radius-md: 16px;
    --titanium-radius-lg: 22px;
    --titanium-shadow: 0 20px 60px rgba(0, 0, 0, 0.34);
    --titanium-blur: blur(28px) saturate(135%);
    --titanium-ease: 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

html,
body {
    background: var(--titanium-bg);
    color: var(--titanium-text);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
        "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

.tabular-number {
    font-variant-numeric: tabular-nums;
}

.inline-icon {
    width: 1em;
    height: 1em;
    flex: 0 0 auto;
    vertical-align: -0.14em;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
}

.hot-night-label,
.hot-night-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--titanium-danger);
}

[style*="color: #D0021B" i] {
    color: var(--titanium-danger) !important;
}

.header-stat-value.intensity-strong,
.temp-cell-high {
    color: var(--titanium-danger) !important;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(circle at 72% -10%, rgba(94, 141, 255, 0.16), transparent 36%),
        radial-gradient(circle at 0% 90%, rgba(48, 209, 88, 0.07), transparent 30%);
}

.glass-panel {
    background: linear-gradient(145deg, rgba(44, 44, 46, 0.78), rgba(22, 22, 24, 0.72));
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-lg);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), var(--titanium-shadow);
    backdrop-filter: var(--titanium-blur);
    -webkit-backdrop-filter: var(--titanium-blur);
}

.surface-raised {
    background: var(--titanium-surface-raised);
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-md);
}

:where(button, input, select, textarea, [tabindex]):focus-visible {
    outline: 2px solid var(--titanium-accent);
    outline-offset: 3px;
}

.focus-ring:focus-visible {
    outline: 2px solid var(--titanium-accent);
    outline-offset: 3px;
}

.svg-sprite {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

.app-container {
    background: transparent;
}

.sidebar {
    width: 200px;
    margin: 12px 0 12px 12px;
    padding: 18px 10px;
    background: rgba(20, 20, 22, 0.72);
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-lg);
    backdrop-filter: var(--titanium-blur);
    -webkit-backdrop-filter: var(--titanium-blur);
    box-shadow: var(--titanium-shadow);
}

.logo h1 {
    background: none;
    -webkit-text-fill-color: currentColor;
    color: var(--titanium-text);
    font-size: 15px;
    letter-spacing: -0.02em;
}

.logo p,
.sidebar-footer {
    color: var(--titanium-text-muted);
}

.nav-item,
.nav-subitem {
    width: 100%;
    min-height: 44px;
    padding-inline: 16px;
    color: var(--titanium-text-secondary);
    font: inherit;
    text-align: start;
    background: transparent;
    border: 0;
    border-radius: var(--titanium-radius-sm);
    transition: color var(--titanium-ease), background var(--titanium-ease),
        box-shadow var(--titanium-ease);
}

.nav-item:hover,
.nav-subitem:hover {
    color: var(--titanium-text);
    background: rgba(255, 255, 255, 0.06);
}

.nav-item.active,
.nav-subitem.active {
    color: var(--titanium-text);
    background: rgba(255, 255, 255, 0.10);
    border: 0;
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.08);
}

.nav-icon,
.nav-expand {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.header {
    height: 70px;
    margin: 12px 12px 0;
    padding: 0 22px;
    background: rgba(20, 20, 22, 0.68);
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-md);
    backdrop-filter: var(--titanium-blur);
    -webkit-backdrop-filter: var(--titanium-blur);
}

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

.header-stat-value,
.current-time {
    color: var(--titanium-text);
    font-variant-numeric: tabular-nums;
}

.content-area {
    padding: 22px;
}

.page {
    width: 100%;
    max-width: 1600px;
    min-width: 0;
    margin-inline: auto;
}

#dashboard.page.active {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 100%;
}

.main-content,
.content-area,
.dashboard-layout,
.dashboard-insights,
.dashboard-map,
.dashboard-ranking,
.report-page,
.analysis-page,
.rules-page {
    min-width: 0;
}

.header-date {
    margin: 0 0 3px;
    color: var(--titanium-text-muted);
    font-size: 11px;
}

.header-left h2 {
    color: var(--titanium-text);
    font-size: 16px;
    letter-spacing: -0.02em;
}

.dashboard-hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin: 6px 2px 22px;
}

.dashboard-eyebrow {
    margin-bottom: 8px;
    color: var(--titanium-text-muted);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.dashboard-hero h2 {
    margin: 0;
    color: var(--titanium-text);
    font-size: clamp(32px, 3vw, 44px);
    line-height: 1.02;
    letter-spacing: -0.055em;
}

.dashboard-hero p:last-child {
    margin-top: 10px;
    color: var(--titanium-text-secondary);
    font-size: 14px;
}

.dashboard-live-status {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    color: var(--titanium-text-secondary);
    font-size: 13px;
}

.dashboard-layout {
    display: grid;
    flex: 1 1 auto;
    grid-template-columns: minmax(230px, 0.9fr) minmax(520px, 2fr) minmax(260px, 1fr);
    height: auto;
    min-height: 0;
    gap: 14px;
}

.sidebar-card,
.map-section,
.top-cities-section {
    background: linear-gradient(145deg, rgba(44, 44, 46, 0.78), rgba(22, 22, 24, 0.72));
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-md);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.05), var(--titanium-shadow);
}

.view-mode-toggle,
.top-tabs,
.dimension-toggle {
    padding: 3px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: var(--titanium-radius-sm);
}

.view-mode-btn,
.top-tab,
.dimension-btn {
    min-width: 44px;
    min-height: 44px;
    padding: 8px 10px;
    border-radius: 8px;
    color: var(--titanium-text-secondary);
}

.view-mode-btn.active,
.top-tab.active,
.dimension-btn.active {
    color: var(--titanium-text);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.08);
}

.data-toolbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    padding: 12px;
}

.data-toolbar-search {
    flex: 1 1 240px;
    min-width: 220px;
    margin: 0;
}

.data-toolbar input {
    min-height: 44px;
    color: var(--titanium-text);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-sm);
}

.clear-search-btn {
    display: grid;
    place-items: center;
    width: 44px;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    inset-inline-end: 0;
    top: 50%;
    border-radius: var(--titanium-radius-sm);
    transform: translateY(-50%);
}

.data-toolbar-search input {
    padding-inline-end: 44px;
}

.filter-bar {
    gap: 6px;
    margin: 0;
}

.filter-chip,
.filter-btn {
    min-width: 44px;
    min-height: 44px;
    color: var(--titanium-text-secondary);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 999px;
}

.filter-chip:hover,
.filter-btn:hover {
    color: var(--titanium-text);
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--titanium-border);
}

.filter-chip.active,
.filter-btn.active {
    color: var(--titanium-text);
    background: rgba(94, 141, 255, 0.18);
    border-color: rgba(94, 141, 255, 0.42);
}

.data-table-shell,
.forecast-table-wrapper,
.subpage-table-wrapper,
.citygroup-table-wrapper {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    background: rgba(20, 20, 22, 0.68);
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-md);
    box-shadow: var(--titanium-shadow);
}

.data-table-shell .forecast-table {
    background: rgba(20, 20, 22, 0.86) !important;
}

.forecast-table thead th,
.subpage-table thead th,
.citygroup-table thead th {
    background: rgba(28, 28, 30, 0.92);
    color: var(--titanium-text-secondary);
    border-color: var(--titanium-border);
    backdrop-filter: blur(18px);
}

.data-table-shell .forecast-table thead th {
    background: rgba(28, 28, 30, 0.96) !important;
}

.data-table-shell .forecast-table tbody td.fixed-left {
    background: rgba(28, 28, 30, 0.96) !important;
}

.forecast-table tbody td,
.subpage-table tbody td,
.citygroup-table tbody td {
    color: var(--titanium-text);
    border-color: rgba(255, 255, 255, 0.06);
}

.forecast-table tbody tr:hover,
.subpage-table tbody tr:hover,
.citygroup-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.citygroup-tab {
    min-height: 44px;
    color: var(--titanium-text-secondary);
    font: inherit;
}

.citygroup-sort-button {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 8px 0;
    color: inherit;
    font: inherit;
    font-weight: 600;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.forecast-tooltip {
    width: min(320px, calc(100vw - 24px));
    color: var(--titanium-text);
    background: rgba(35, 35, 38, 0.92);
    border: 1px solid var(--titanium-border-strong);
    border-radius: var(--titanium-radius-md);
    box-shadow: var(--titanium-shadow);
    backdrop-filter: var(--titanium-blur);
}

.alert-guide,
.rules-section {
    background: var(--titanium-surface);
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-md);
}

.alert-guide-grid {
    gap: 8px;
}

.guide-card {
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid var(--titanium-border);
    border-left-width: 3px;
    border-radius: var(--titanium-radius-sm);
}

.rule-field input[type="number"] {
    min-height: 44px;
    color: var(--titanium-text);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-sm);
}

.rule-field input[type="number"]:focus-visible {
    outline: 2px solid var(--titanium-accent);
    outline-offset: 3px;
}

.settings-actions {
    position: sticky;
    bottom: 12px;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    gap: 12px;
    padding: 12px;
    background: rgba(28, 28, 30, 0.90);
    border: 1px solid var(--titanium-border-strong);
    border-radius: var(--titanium-radius-md);
    box-shadow: var(--titanium-shadow);
    backdrop-filter: var(--titanium-blur);
}

.settings-actions .btn-primary {
    background: var(--titanium-accent);
    border-radius: var(--titanium-radius-sm);
    box-shadow: none;
}

.rules-save-status {
    min-width: 0;
    color: var(--titanium-success);
    font-size: 13px;
    overflow-wrap: anywhere;
}

.rules-save-status[data-status="dirty"] {
    color: var(--titanium-warning);
}

.settings-action-buttons {
    display: flex;
    min-width: 0;
    gap: 10px;
}

.settings-action-buttons .btn {
    min-width: 44px;
    min-height: 44px;
}

.modal-overlay {
    background: rgba(0, 0, 0, 0.64);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.modal-surface,
.modal-content {
    color: var(--titanium-text);
    background: rgba(32, 32, 35, 0.92);
    border: 1px solid var(--titanium-border-strong);
    border-radius: var(--titanium-radius-lg);
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.52);
    backdrop-filter: var(--titanium-blur);
    -webkit-backdrop-filter: var(--titanium-blur);
}

.city-detail-modal .modal-surface,
.daily-brief-modal .modal-surface,
.login-modal .modal-surface,
.payment-modal .modal-surface {
    color: var(--titanium-text);
    background: rgba(32, 32, 35, 0.92);
    border: 1px solid var(--titanium-border-strong);
    border-radius: var(--titanium-radius-lg);
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.52);
    backdrop-filter: var(--titanium-blur);
    -webkit-backdrop-filter: var(--titanium-blur);
}

.modal-content {
    max-width: calc(100vw - 24px);
    min-width: 0;
    box-sizing: border-box;
    overflow-x: hidden;
}

.city-detail-modal .modal-content {
    max-width: min(650px, calc(100vw - 24px));
}

.daily-brief-modal .modal-content {
    max-width: min(600px, calc(100vw - 24px));
}

.login-modal-content {
    max-width: min(400px, calc(100vw - 24px));
}

.payment-modal-content {
    max-width: min(600px, calc(100vw - 24px));
}

.modal-close {
    width: 44px;
    height: 44px;
    color: var(--titanium-text-secondary);
    background: rgba(255, 255, 255, 0.07);
    border-radius: 50%;
}

.modal-surface .modal-close {
    width: 44px;
    height: 44px;
    color: var(--titanium-text-secondary);
    background: rgba(255, 255, 255, 0.07);
    border-radius: 50%;
}

.modal-header,
.modal-footer,
.daily-brief-modal .modal-header,
.daily-brief-modal .modal-footer {
    border-color: var(--titanium-border);
}

.daily-brief-modal .modal-header h3 {
    color: var(--titanium-text);
}

.titanium-modal-header {
    position: relative;
}

.titanium-input,
.login-form input {
    min-height: 48px;
    color: var(--titanium-text);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-sm);
}

.login-form input:focus-visible {
    outline: 2px solid var(--titanium-accent);
    outline-offset: 3px;
    border-color: var(--titanium-accent);
}

.modal-tab,
.login-tab,
.send-code-btn,
.modal-footer .btn,
.payment-plan .btn {
    min-height: 44px;
}

/* 简报模态框:推送内容类型下拉(与钛色输入框风格一致) */
.push-type-select {
    padding: 10px 14px;
    min-height: 44px;
    border-radius: var(--titanium-radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    color: var(--titanium-text);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--titanium-border);
}

.push-type-select:focus-visible {
    outline: 2px solid var(--titanium-accent);
    outline-offset: 2px;
    border-color: var(--titanium-accent);
}

.pricing-card,
.payment-plan {
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid var(--titanium-border);
    border-radius: var(--titanium-radius-md);
}

.payment-plan.featured {
    border-color: rgba(94, 141, 255, 0.50);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.06), 0 20px 50px rgba(94, 141, 255, 0.12);
}

.wechat-qr-placeholder {
    display: grid;
    place-items: center;
    width: 220px;
    max-width: 100%;
    aspect-ratio: 1;
    margin: 18px auto;
    padding: 24px;
    box-sizing: border-box;
    color: var(--titanium-text-muted);
    text-align: center;
    background:
        linear-gradient(90deg, var(--titanium-border) 1px, transparent 1px),
        linear-gradient(var(--titanium-border) 1px, transparent 1px);
    background-size: 14px 14px;
    border: 1px solid var(--titanium-border-strong);
    border-radius: var(--titanium-radius-md);
}

.feedback-toast,
.toast {
    color: var(--titanium-text);
    background: rgba(44, 44, 46, 0.94);
    border: 1px solid var(--titanium-border-strong);
    border-radius: var(--titanium-radius-sm);
    box-shadow: var(--titanium-shadow);
    backdrop-filter: var(--titanium-blur);
    -webkit-backdrop-filter: var(--titanium-blur);
}

.loading-screen {
    background: var(--titanium-bg);
}

.loading-logo {
    color: var(--titanium-text);
    background: none;
    -webkit-text-fill-color: currentColor;
}

.loading-progress {
    background: linear-gradient(90deg, #6e6e73, #f5f5f7, #6e6e73);
}

.forecast-table-wrapper,
.analysis-content,
.top-cities-list {
    min-height: 240px;
}

@media (max-width: 1439px) {
    #dashboard.page.active {
        height: auto;
    }

    .dashboard-layout {
        grid-template-columns: minmax(220px, 0.8fr) minmax(520px, 1.8fr);
        height: auto;
    }

    .dashboard-ranking {
        grid-column: 1 / -1;
    }

    .right-sidebar {
        min-height: 320px;
    }

    .top-tabs {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .header-stat:nth-child(4),
    .header-stat:nth-child(5) {
        display: none;
    }
}

@media (max-width: 767px) {
    body {
        overflow: auto;
    }

    .app-container {
        display: block;
        height: auto;
        min-height: 100vh;
    }

    .sidebar {
        position: sticky;
        top: 0;
        z-index: 100;
        width: auto;
        height: 64px;
        margin: 0;
        padding: 8px;
        flex-direction: row;
        align-items: center;
        border-radius: 0 0 var(--titanium-radius-md) var(--titanium-radius-md);
    }

    .logo,
    .sidebar-footer,
    .nav-text,
    .nav-expand {
        display: none;
    }

    .nav-menu {
        display: flex;
        position: relative;
        flex: 1 1 auto;
        width: 100%;
        height: 48px;
        margin: 0;
        padding: 0;
        flex-wrap: nowrap;
        align-items: center;
        justify-content: space-around;
    }

    .nav-item {
        width: 48px;
        height: 48px;
        min-width: 44px;
        min-height: 48px;
        flex: 0 0 48px;
        margin: 0;
        padding-inline: 0;
        justify-content: center;
    }

    .nav-submenu {
        position: absolute;
        top: calc(100% + 8px);
        inset-inline-start: auto;
        inset-inline-end: 8px;
        z-index: 20;
        width: min(280px, calc(100vw - 24px));
        max-height: none;
        padding: 8px;
        background: rgba(28, 28, 30, 0.96);
        border: 1px solid var(--titanium-border-strong);
        border-radius: var(--titanium-radius-md);
        box-shadow: var(--titanium-shadow);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-4px);
    }

    .nav-submenu.open {
        max-height: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-subitem {
        display: flex;
        align-items: center;
        min-height: 44px;
        padding: 8px 10px;
    }

    .main-content {
        height: auto;
        overflow: visible;
    }

    .header {
        height: auto;
        min-height: 64px;
        margin: 10px;
        padding: 12px;
    }

    .current-time {
        display: none;
    }

    .header-stats {
        display: none;
    }

    .content-area {
        padding: 10px;
        overflow: visible;
    }

    .modal-content {
        width: calc(100% - 24px);
        max-height: calc(100dvh - 24px);
        margin: 12px 0;
    }

    .payment-plans {
        grid-template-columns: minmax(0, 1fr);
        padding: 16px;
    }

    .payment-plan {
        min-width: 0;
    }

    .code-input-group {
        flex-wrap: wrap;
    }

    .code-input-group input,
    .send-code-btn {
        flex: 1 1 100%;
        min-width: 0;
    }

    .detail-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .modal-body,
    .daily-brief-modal .modal-body {
        min-width: 0;
        padding: 16px;
    }

    .modal-tabs,
    .daily-brief-modal .modal-tabs,
    .modal-footer,
    .daily-brief-modal .modal-footer {
        flex-wrap: wrap;
    }

    .modal-tab,
    .modal-footer .btn {
        flex: 1 1 calc(50% - 6px);
        min-width: 0;
    }

    .dashboard-hero {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .dashboard-hero h2 {
        font-size: 32px;
    }

    .dashboard-layout {
        display: flex;
        height: auto !important;
        flex-direction: column;
    }

    .dashboard-map {
        order: -1;
    }

    .map-section .section-header {
        align-items: flex-start;
        flex-wrap: wrap;
        gap: 10px;
    }

    .view-mode-toggle {
        display: flex;
        width: 100%;
        flex-wrap: wrap;
        gap: 3px;
    }

    .view-mode-btn {
        flex: 1 1 calc(50% - 3px);
    }

    .data-toolbar .segmented-control {
        width: 100%;
        max-width: 100%;
        flex-wrap: wrap;
    }

    .data-toolbar {
        position: static;
        flex-direction: column;
        align-items: stretch;
    }

    .data-toolbar-search {
        width: 100%;
        min-width: 0;
    }

    .filter-bar {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
    }

    .filter-chip,
    .filter-btn {
        flex: 0 0 auto;
    }

    .citygroup-monitor {
        grid-template-columns: minmax(0, 1fr);
    }

    .citygroup-tabs {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .alert-guide-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .rules-sections {
        grid-template-columns: minmax(0, 1fr);
    }

    .rules-section,
    .rule-item-left {
        min-width: 0;
    }

    .rule-field label {
        flex-wrap: wrap;
        gap: 8px;
    }

    .settings-actions {
        align-items: stretch;
        flex-direction: column;
        bottom: 8px;
    }

    .settings-action-buttons {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
    }

    .settings-action-buttons .btn {
        min-width: 0;
        white-space: normal;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .app-container {
        height: 100vh;
        min-height: 0;
        flex-direction: row;
    }

    .sidebar {
        position: relative;
        z-index: 100;
        width: 78px;
        height: calc(100vh - 24px);
        margin: 12px 0 12px 12px;
        padding: 12px 8px;
        flex-direction: column;
        align-items: center;
    }

    .logo {
        display: none;
    }

    .sidebar-footer,
    .nav-text,
    .nav-expand {
        display: none;
    }

    .nav-menu {
        display: flex;
        flex: 1 1 auto;
        width: 100%;
        gap: 4px;
        margin: 0;
        padding: 0;
        position: relative;
        flex-direction: column;
        justify-content: flex-start;
    }

    .nav-item {
        width: 100%;
        min-width: 44px;
        min-height: 44px;
        margin: 0;
        padding: 8px;
        justify-content: center;
    }

    .nav-submenu {
        position: absolute;
        top: 48px;
        inset-inline-start: calc(100% + 8px);
        z-index: 20;
        width: min(280px, calc(100vw - 110px));
        max-height: none;
        padding: 8px;
        background: rgba(28, 28, 30, 0.96);
        border: 1px solid var(--titanium-border-strong);
        border-radius: var(--titanium-radius-md);
        box-shadow: var(--titanium-shadow);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-4px);
    }

    .nav-submenu.open {
        max-height: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-subitem {
        display: flex;
        align-items: center;
        min-height: 44px;
        padding: 8px 10px;
    }

    .header {
        height: auto;
        min-height: 70px;
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 10px;
    }

    .header-center,
    .header-stats {
        display: none;
    }

    .header-right {
        margin-left: auto;
    }

    .main-content {
        height: 100vh;
        min-height: 0;
        overflow: hidden;
    }

    .content-area {
        padding: clamp(10px, 1.6vw, 16px);
        min-height: 0;
        overflow-y: auto;
        overflow-x: hidden;
    }
}

@media (max-width: 1023px) {
    .dashboard-layout,
    .rules-sections {
        grid-template-columns: minmax(0, 1fr);
    }

    .dashboard-layout {
        height: auto !important;
    }

    .dashboard-map {
        grid-row: 1;
    }

    .data-toolbar {
        align-items: stretch;
    }

    .header-stats {
        gap: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition: none !important;
    }
}

#china-map {
    border-radius: calc(var(--titanium-radius-md) - 1px);
    overflow: hidden;
    background:
        radial-gradient(circle at 68% 68%, rgba(255, 69, 58, 0.10), transparent 18%),
        radial-gradient(circle at 62% 42%, rgba(255, 159, 10, 0.08), transparent 20%),
        #111113;
}

.titanium-map-tooltip {
    min-width: 220px;
    color: var(--titanium-text);
    background: rgba(35, 35, 38, 0.94);
    border-top: 1px solid var(--titanium-border-strong);
    border-right: 1px solid var(--titanium-border-strong);
    border-bottom: 1px solid var(--titanium-border-strong);
    border-radius: var(--titanium-radius-sm);
    box-shadow: var(--titanium-shadow);
    backdrop-filter: var(--titanium-blur);
}

.titanium-map-tooltip .tooltip-reason,
.titanium-map-tooltip .tooltip-mode-badge {
    color: var(--titanium-text-secondary);
}

.titanium-map-tooltip .tooltip-badge[style*="#F57C00" i],
.titanium-map-tooltip .tooltip-badge[style*="#F5A623" i],
.titanium-map-tooltip .tooltip-badge[style*="#4A90E2" i],
.titanium-map-tooltip .tooltip-badge[style*="#888888" i] {
    color: #1d1d1f;
}

.titanium-map-tooltip .tooltip-badge[style*="#D0021B" i],
.titanium-map-tooltip .tooltip-badge[style*="#666666" i] {
    color: #f5f5f7;
}