/* ============================================
   CSS Variable System — Light / Dark Themes
   4-tier responsive: sm(480) md(768) lg(1024) xl(1440)
   ============================================ */

/* Light mode (default) */
:root {
  /* Shell / navbar */
  --shell-bg: #0f2740;
  --shell-bg-elevated: #173b59;

  /* Surface */
  --surface-bg: #f4efe6;
  --surface-card: #fffaf2;
  --surface-muted: #ebe1d2;

  /* Text */
  --text-strong: #1d2b36;
  --text-muted: #6c7a86;

  /* Accent */
  --accent-primary: #204867;
  --accent-highlight: #c9a35f;

  /* Border & shadow */
  --border-soft: #d7cbb7;
  --shadow-soft: 0 14px 34px rgba(15, 39, 64, 0.10);
  --page-radial-primary: rgba(32, 72, 103, 0.10);
  --page-radial-accent: rgba(201, 163, 95, 0.12);
  --page-gradient-start: #f7f1e7;
  --page-gradient-end: #efe6d8;

  /* Card gradient (theme-aware) */
  --card-gradient-start: rgba(255, 250, 242, 0.99);
  --card-gradient-end: rgba(244, 239, 230, 0.97);
  --chart-gradient-start: rgba(255, 250, 242, 0.99);
  --chart-gradient-end: rgba(244, 239, 230, 0.97);
  --metric-gradient-start: rgba(255, 250, 242, 0.99);
  --metric-gradient-end: rgba(244, 239, 230, 0.97);

  /* Color tokens */
  --color-primary: #173b59;
  --color-primary-hover: #245273;
  --color-secondary: #5d7b97;
  --color-accent: #c9a35f;
  --color-accent-hover: #d7ba84;

  --color-bg: #f4efe6;
  --color-bg-card: #fffaf2;
  --color-bg-header: #eee3d0;
  --color-bg-hover: #eef2f5;
  --color-bg-selected: #e2e8ef;
  --color-bg-nav-active: rgba(201, 163, 95, 0.18);

  --color-text: #1d2b36;
  --color-text-secondary: #425563;
  --color-text-muted: #6c7a86;
  --color-text-nav: #f7f0e5;

  --color-border: #d7cbb7;
  --color-border-light: #eadfcc;

  --color-rise: #d14343;
  --color-fall: #1f8b57;
  --color-purple: #8864b8;

  --color-btn-primary: #173b59;
  --color-btn-primary-hover: #245273;
  --color-btn-primary-active: #102b43;
  --color-btn-success: #1f8b57;
  --color-btn-success-hover: #176f46;
  --color-btn-danger: #d14343;
  --color-btn-danger-hover: #b53333;

  --color-shadow: rgba(17, 31, 45, 0.12);
  --color-overlay: rgba(9, 20, 31, 0.52);

  --navbar-bg: #0f2740;
  --navbar-text: #f7f0e5;
  --navbar-active-bg: rgba(201, 163, 95, 0.20);
  --navbar-active-border: #d7ba84;

  --color-scrollbar-track: #e8decf;
  --color-scrollbar-thumb: #7e92a5;

  --color-tab-bg: #ebe4d8;
  --color-tab-text: #425563;
  --color-tab-border: #d8d3c8;
  --color-tab-hover: #dde5ec;
  --color-tab-active-bg: var(--color-btn-primary);
  --color-tab-active-text: #f7f4ec;

  --color-input-bg: #fffaf2;
  --color-input-border: #d7cbb7;
  --color-input-text: #1d2b36;

  --shell-panel-border: color-mix(in srgb, var(--border-soft) 22%, transparent);
  --shell-control-border: color-mix(in srgb, var(--accent-highlight) 40%, var(--surface-card) 12%);
  --shell-control-border-hover: color-mix(in srgb, var(--accent-highlight) 48%, var(--surface-card) 10%);
  --shell-control-shadow: 0 10px 20px color-mix(in srgb, var(--shell-bg) 20%, transparent);
  --shell-control-shadow-hover: 0 14px 28px color-mix(in srgb, var(--shell-bg) 28%, transparent);
  --shell-dialog-shadow: 0 20px 48px color-mix(in srgb, var(--shell-bg) 18%, transparent);
  --shell-dialog-header-border: color-mix(in srgb, var(--accent-highlight) 25%, transparent);
  --shell-action-shadow-primary: 0 10px 20px color-mix(in srgb, var(--color-btn-primary) 24%, transparent);
  --shell-action-shadow-success: 0 10px 20px color-mix(in srgb, var(--color-btn-success) 22%, transparent);
  --shell-action-shadow-danger: 0 10px 20px color-mix(in srgb, var(--color-btn-danger) 22%, transparent);

  /* Fluid spacing tokens */
  --space-page: clamp(12px, 2vw, 24px);
  --space-card: clamp(12px, 1.5vw, 18px);
  --space-gap: clamp(12px, 1.5vw, 16px);
  --radius-card: clamp(12px, 1.5vw, 18px);
}

/* Dark mode */
[data-theme="dark"] {
  --shell-bg: #131722;
  --shell-bg-elevated: #1b2230;
  --surface-bg: #0f1722;
  --surface-card: #161d2b;
  --surface-muted: #202a3a;
  --text-strong: #f5f7fa;
  --text-muted: #9aa4af;
  --accent-primary: #4a6fa3;
  --accent-highlight: #c9a35f;
  --border-soft: rgba(148, 163, 184, 0.20);
  --shadow-soft: 0 18px 42px rgba(0, 0, 0, 0.44);
  --page-radial-primary: rgba(59, 130, 246, 0.16);
  --page-radial-accent: rgba(201, 163, 95, 0.12);
  --page-gradient-start: #101722;
  --page-gradient-end: #151d2a;

  --card-gradient-start: rgba(22, 29, 43, 0.99);
  --card-gradient-end: rgba(15, 23, 34, 0.97);
  --chart-gradient-start: rgba(22, 29, 43, 0.99);
  --chart-gradient-end: rgba(15, 23, 34, 0.97);
  --metric-gradient-start: rgba(22, 29, 43, 0.99);
  --metric-gradient-end: rgba(15, 23, 34, 0.97);

  --color-primary: #4a6fa3;
  --color-primary-hover: #5b81b7;
  --color-secondary: #8a97a8;
  --color-accent: #c9a35f;
  --color-accent-hover: #d6b77e;

  --color-bg: #0f1722;
  --color-bg-card: #161d2b;
  --color-bg-header: #1b2230;
  --color-bg-hover: rgba(74, 111, 163, 0.16);
  --color-bg-selected: rgba(74, 111, 163, 0.22);
  --color-bg-nav-active: rgba(201, 163, 95, 0.12);

  --color-text: #f5f7fa;
  --color-text-secondary: #d1d7de;
  --color-text-muted: #9aa4af;
  --color-text-nav: #eef2f6;

  --color-border: rgba(148, 163, 184, 0.22);
  --color-border-light: rgba(148, 163, 184, 0.12);

  --color-rise: #d84f57;
  --color-fall: #2db784;
  --color-purple: #8f7df0;

  --color-btn-primary: #2a4d78;
  --color-btn-primary-hover: #35618f;
  --color-btn-primary-active: #1e3d62;
  --color-btn-success: #258b66;
  --color-btn-success-hover: #1d7354;
  --color-btn-danger: #d84f57;
  --color-btn-danger-hover: #b83f47;

  --color-shadow: rgba(0, 0, 0, 0.48);
  --color-overlay: rgba(4, 10, 19, 0.76);

  --navbar-bg: #131722;
  --navbar-text: #eef2f6;
  --navbar-active-bg: rgba(201, 163, 95, 0.12);
  --navbar-active-border: #c9a35f;

  --color-scrollbar-track: #111924;
  --color-scrollbar-thumb: rgba(120, 136, 155, 0.62);

  --color-tab-bg: #1c2533;
  --color-tab-text: #d1d7de;
  --color-tab-border: rgba(148, 163, 184, 0.18);
  --color-tab-hover: rgba(74, 111, 163, 0.18);
  --color-tab-active-bg: var(--color-btn-primary);
  --color-tab-active-text: #f5f7fa;

  --color-input-bg: #161d2b;
  --color-input-border: rgba(148, 163, 184, 0.24);
  --color-input-text: #f5f7fa;
}

[data-theme-id="apricot-glow-light"] {
  --shell-bg: #be6b36;
  --shell-bg-elevated: #e39a5f;
  --surface-bg: #fff4e8;
  --surface-card: rgba(255, 251, 246, 0.86);
  --surface-muted: rgba(244, 224, 204, 0.84);
  --text-strong: #33261d;
  --text-muted: #7f6555;
  --accent-primary: #c56d33;
  --accent-highlight: #e0a15b;
  --border-soft: rgba(172, 192, 205, 0.42);
  --shadow-soft: 0 18px 42px rgba(92, 112, 128, 0.12);
  --page-radial-primary: rgba(170, 214, 232, 0.22);
  --page-radial-accent: rgba(255, 199, 143, 0.18);
  --page-gradient-start: #eef6fb;
  --page-gradient-end: #f6eadf;

  --card-gradient-start: rgba(255, 253, 249, 0.94);
  --card-gradient-end: rgba(255, 245, 233, 0.86);
  --chart-gradient-start: rgba(255, 253, 249, 0.94);
  --chart-gradient-end: rgba(255, 245, 233, 0.86);
  --metric-gradient-start: rgba(255, 253, 249, 0.94);
  --metric-gradient-end: rgba(255, 245, 233, 0.86);

  --color-primary: #b9622f;
  --color-primary-hover: #c9763d;
  --color-secondary: #8e6f5b;
  --color-accent: #d78a41;
  --color-accent-hover: #e3a45e;

  --color-bg: #fff7ef;
  --color-bg-card: rgba(255, 252, 247, 0.88);
  --color-bg-header: rgba(245, 219, 192, 0.74);
  --color-bg-hover: rgba(255, 232, 205, 0.76);
  --color-bg-selected: rgba(224, 161, 91, 0.18);
  --color-bg-nav-active: rgba(223, 146, 74, 0.16);

  --color-text: #33261d;
  --color-text-secondary: #6f5748;
  --color-text-muted: #8d725f;
  --color-text-nav: #fffaf5;

  --color-border: rgba(163, 185, 199, 0.44);
  --color-border-light: rgba(191, 209, 221, 0.52);

  --color-rise: #cf5646;
  --color-fall: #2f9a67;
  --color-purple: #9a6fc5;

  --color-btn-primary: #9f4f1f;
  --color-btn-primary-hover: #b15c27;
  --color-btn-primary-active: #803d17;
  --color-btn-success: #2f9a67;
  --color-btn-success-hover: #278057;
  --color-btn-danger: #d35e4f;
  --color-btn-danger-hover: #bb4b41;

  --color-shadow: rgba(116, 72, 38, 0.16);
  --color-overlay: rgba(88, 54, 31, 0.28);

  --navbar-bg: #be6b36;
  --navbar-text: #fff9f4;
  --navbar-active-bg: rgba(255, 255, 255, 0.22);
  --navbar-active-border: rgba(255, 244, 233, 0.88);

  --color-scrollbar-track: rgba(244, 224, 205, 0.88);
  --color-scrollbar-thumb: rgba(177, 113, 65, 0.72);

  --color-tab-bg: rgba(255, 248, 241, 0.82);
  --color-tab-text: #6c5547;
  --color-tab-border: rgba(196, 156, 127, 0.42);
  --color-tab-hover: rgba(255, 233, 208, 0.9);
  --color-tab-active-bg: var(--color-btn-primary);
  --color-tab-active-text: #fffaf5;

  --color-input-bg: rgba(255, 252, 248, 0.88);
  --color-input-border: rgba(205, 170, 143, 0.5);
  --color-input-text: #31241c;
}


/* === Global Reset & Base === */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--surface-bg);
    color: var(--text-strong);
    font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    min-height: 100vh;
    -webkit-text-size-adjust: 100%;
}
a { color: var(--color-text-secondary); text-decoration: none; }
a:hover { color: var(--color-primary); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

.app-shell {
    min-height: 100vh;
    --shell-topbar-height: 72px;
    background:
        radial-gradient(circle at 12% 18%, var(--page-radial-primary), transparent 34%),
        radial-gradient(circle at 82% 12%, var(--page-radial-accent), transparent 24%),
        linear-gradient(180deg, var(--page-gradient-start) 0%, var(--page-gradient-end) 100%);
    color: var(--text-strong);
}

/* === Topbar === */
.shell-topbar {
    position: sticky;
    top: 0;
    z-index: 1002;
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "brand actions hamburger";
    align-items: center;
    min-height: var(--shell-topbar-height);
    padding-inline: 12px;
    column-gap: 10px;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--shell-bg) 94%, black 6%), var(--shell-bg-elevated)),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0));
    border-bottom: 1px solid var(--shell-panel-border);
    box-shadow: var(--shadow-soft);
}

.shell-topbar > .brand {
    grid-area: brand;
}

.topbar-actions {
    grid-area: actions;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    justify-self: end;
    gap: 10px;
    min-width: 0;
}

.topbar-actions > * {
    flex-shrink: 0;
}

.shell-topbar > .nav-hamburger {
    grid-area: hamburger;
    justify-self: end;
    margin-left: 0;
}

@media (max-width: 1200px) {
    .app-shell {
        --shell-topbar-height: 112px;
    }

    .shell-topbar {
        grid-template-columns: 1fr auto;
        grid-template-areas: "brand hamburger" "actions actions";
        align-items: start;
        row-gap: 8px;
        padding-block: 8px;
    }

    .topbar-actions {
        justify-self: stretch;
        justify-content: flex-start;
    }
}

/* === Navigation Bar === */
.shell-main-nav {
    position: sticky;
    top: var(--shell-topbar-height);
    z-index: 1001;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--shell-bg) 96%, black 4%), var(--shell-bg-elevated)),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0));
    color: var(--surface-card);
    border-bottom: 1px solid var(--shell-panel-border);
    box-shadow: var(--shadow-soft);
}
.nav-menu-inner {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
    min-width: 0;
    padding-inline: 8px;
}
a.brand {
    color: var(--accent-highlight);
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.04em;
    padding: 10px 14px;
    white-space: nowrap;
    flex-shrink: 0;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.18);
}
a.brand:hover {
    color: var(--accent-highlight);
    opacity: 0.85;
}
/* Hamburger button - hidden on desktop */
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px 16px;
    margin-left: auto;
    flex-direction: column;
    gap: 4px;
}
.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--surface-card);
    border-radius: 1px;
    transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
/* Nav menu wrapper */
.nav-menu {
    display: flex;
    width: 100%;
    min-width: 0;
}
.shell-main-nav .nav-tabs {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}
.shell-main-nav .nav-tabs::-webkit-scrollbar { display: none; }
/* Nav controls (user area, buttons, select) */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    margin-right: 0;
    flex-shrink: 0;
}
#user-dropdown {
    background: var(--surface-card) !important;
    border: 1px solid var(--border-soft) !important;
    border-radius: 10px !important;
    box-shadow: var(--shadow-soft) !important;
    color: var(--text-strong);
    overflow: hidden;
}

[data-theme-id="apricot-glow-light"] .shell-surface-panel,
[data-theme-id="apricot-glow-light"] .shell-dialog,
[data-theme-id="apricot-glow-light"] #user-dropdown {
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--surface-card) 88%, white 12%), color-mix(in srgb, var(--surface-bg) 72%, white 28%)) !important;
    border-color: color-mix(in srgb, rgba(176, 198, 210, 0.68) 78%, white 22%) !important;
    box-shadow:
        0 18px 40px rgba(86, 108, 124, 0.12),
        inset 0 1px 0 color-mix(in srgb, white 66%, transparent) !important;
    backdrop-filter: blur(18px) saturate(1.22);
    -webkit-backdrop-filter: blur(18px) saturate(1.22);
}

[data-theme-id="apricot-glow-light"] .shell-dialog {
    border-color: color-mix(in srgb, rgba(181, 200, 213, 0.72) 80%, white 20%) !important;
}

[data-theme-id="apricot-glow-light"] .shell-dialog-header {
    background-color: color-mix(in srgb, var(--shell-bg) 88%, white 12%);
    background-image: linear-gradient(135deg, var(--shell-bg), color-mix(in srgb, var(--shell-bg-elevated) 86%, white 14%));
    border-bottom-color: color-mix(in srgb, var(--accent-highlight) 35%, transparent);
}

[data-theme-id="apricot-glow-light"] .shell-dialog-section {
    background: linear-gradient(180deg, color-mix(in srgb, var(--surface-card) 76%, white 24%) 0%, var(--surface-card) 100%);
    border-color: color-mix(in srgb, var(--border-soft) 76%, white 24%);
}

[data-theme-id="apricot-glow-light"] .shell-dialog-input {
    background: color-mix(in srgb, var(--color-input-bg) 90%, white 10%);
    border-color: color-mix(in srgb, var(--color-input-border) 88%, white 12%);
    color: var(--color-input-text);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

[data-theme-id="apricot-glow-light"] :is(#lhb-date, #xg2-start-date, #xg2-end-date, #ai-rag-start-date, #ai-rag-end-date) {
    background: color-mix(in srgb, var(--color-input-bg) 90%, white 10%);
    border-color: color-mix(in srgb, var(--color-input-border) 88%, white 12%);
    color: var(--color-input-text);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

[data-theme-id="apricot-glow-light"] .shell-dialog-input:focus,
[data-theme-id="apricot-glow-light"] :is(#lhb-date, #xg2-start-date, #xg2-end-date, #ai-rag-start-date, #ai-rag-end-date):focus {
    outline: none;
    border-color: color-mix(in srgb, var(--accent-highlight) 58%, var(--color-primary) 42%);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-highlight) 18%, transparent);
}

[data-theme-id="apricot-glow-light"] .shell-dialog-primary-btn,
[data-theme-id="apricot-glow-light"] .btn-primary {
    background: linear-gradient(180deg, color-mix(in srgb, var(--color-btn-primary) 82%, white 18%), var(--color-btn-primary));
    box-shadow: 0 14px 28px color-mix(in srgb, var(--color-btn-primary) 22%, transparent);
}

[data-theme-id="apricot-glow-light"] .shell-dialog-primary-btn:disabled,
[data-theme-id="apricot-glow-light"] .shell-dialog-primary-btn[disabled],
[data-theme-id="apricot-glow-light"] .btn-primary:disabled,
[data-theme-id="apricot-glow-light"] .btn-primary[disabled] {
    background: linear-gradient(180deg, color-mix(in srgb, var(--surface-muted) 82%, white 18%), var(--surface-muted));
    color: var(--text-muted);
    border-color: color-mix(in srgb, var(--border-soft) 88%, white 12%);
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.72;
    transform: none;
}

[data-theme-id="apricot-glow-light"] .shell-dialog-primary-btn:hover,
[data-theme-id="apricot-glow-light"] .btn-primary:hover {
    background: linear-gradient(180deg, color-mix(in srgb, var(--color-btn-primary-hover) 84%, white 16%), var(--color-btn-primary-hover));
}

[data-theme-id="apricot-glow-light"] .sub-tabs .tab-btn {
    background-color: color-mix(in srgb, var(--color-tab-bg) 90%, white 10%);
    border-color: color-mix(in srgb, var(--color-tab-border) 88%, white 12%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

[data-theme-id="apricot-glow-light"] .sub-tabs .tab-btn:hover {
    background-color: color-mix(in srgb, var(--color-tab-hover) 92%, white 8%);
}

[data-theme-id="apricot-glow-light"] .sub-tabs .tab-btn.active {
    background-color: var(--color-tab-active-bg);
    color: var(--color-tab-active-text);
    border-color: color-mix(in srgb, var(--color-btn-primary) 72%, white 28%);
}
.shell-dropdown-item {
    padding: 8px 14px !important;
    cursor: pointer !important;
    font-size: 12px !important;
    border-bottom: 1px solid var(--border-soft) !important;
    background: transparent !important;
    color: var(--text-strong) !important;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.shell-dropdown-item:hover {
    background: var(--surface-muted) !important;
}
#menu-admin,
.shell-dropdown-item-accent {
    color: var(--accent-primary) !important;
}
.shell-dropdown-item-danger {
    color: var(--color-btn-danger) !important;
    border-bottom: none !important;
}
.user-token-stats-panel {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-soft);
    background: linear-gradient(180deg, var(--surface-card) 0%, var(--surface-bg) 100%);
}
.shell-token-panel-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-strong);
}
.shell-token-item-title {
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 4px;
}
.user-token-summary {
    font-size: 12px;
    color: var(--text-muted);
    margin: 6px 0 10px;
    line-height: 1.6;
}
.user-token-chart {
    height: 240px;
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    background: var(--surface-card);
}
.user-token-list {
    height: 240px;
    overflow-y: auto;
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    background: var(--surface-card);
}
.user-token-item {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-soft);
    font-size: 12px;
}
.user-token-item:last-child {
    border-bottom: none;
}
.user-token-item .meta {
    color: var(--text-muted);
    margin-bottom: 4px;
}
.user-token-item .vals {
    color: var(--text-strong);
    font-weight: 600;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.shell-token-list-empty {
    padding: 24px 12px;
    color: var(--text-muted);
    font-size: 12px;
    text-align: center;
}
.user-token-stats-panel button[onclick*="loadUserTokenUsageStats"] {
    padding: 4px 10px !important;
    border: 1px solid var(--border-soft) !important;
    background: var(--surface-card) !important;
    border-radius: 6px !important;
    font-size: 12px !important;
    color: var(--text-strong) !important;
    cursor: pointer !important;
}
.shell-action-btn:hover,
.user-token-stats-panel button[onclick*="loadUserTokenUsageStats"]:hover {
    background: var(--surface-muted) !important;
}
#global-freq,
.shell-frequency-select {
    font-size: 12px !important;
    border: 1px solid var(--shell-control-border) !important;
    border-radius: 4px !important;
    background: linear-gradient(180deg, color-mix(in srgb, var(--shell-bg-elevated) 88%, white 12%), var(--shell-bg-elevated)) !important;
    color: var(--surface-card) !important;
    cursor: pointer !important;
    white-space: nowrap;
    flex-shrink: 0;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    box-shadow: var(--shell-control-shadow) !important;
    background-image:
        linear-gradient(180deg, color-mix(in srgb, var(--shell-bg-elevated) 88%, white 12%), var(--shell-bg-elevated)),
        linear-gradient(45deg, transparent 50%, var(--accent-highlight) 50%),
        linear-gradient(135deg, var(--accent-highlight) 50%, transparent 50%);
    background-position:
        0 0,
        calc(100% - 18px) calc(50% - 3px),
        calc(100% - 12px) calc(50% - 3px);
    background-size:
        100% 100%,
        6px 6px,
        6px 6px;
    background-repeat: no-repeat;
}
.shell-main-nav .nav-tabs {
    display: flex;
    list-style: none;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
}
.shell-main-nav .nav-tabs::-webkit-scrollbar { display: none; }
.shell-main-nav .nav-tabs li a {
    display: block;
    padding: 10px 14px;
    color: var(--navbar-text);
    font-size: 13px;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    opacity: 0.92;
}
.shell-main-nav .nav-tabs li a:hover {
    color: var(--surface-card);
    background-color: color-mix(in srgb, var(--surface-card) 10%, transparent);
    opacity: 1;
}
.shell-main-nav .nav-tabs li a.active {
    color: #fff8ea;
    border-bottom-color: var(--accent-highlight);
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--accent-highlight) 24%, transparent), color-mix(in srgb, var(--accent-highlight) 12%, transparent));
    opacity: 1;
    box-shadow: inset 0 -1px 0 color-mix(in srgb, var(--accent-highlight) 50%, transparent);
}

.shell-surface-panel {
    background: var(--surface-card);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
}

.shell-overlay {
    position: fixed;
    inset: 0;
    display: block;
    background: var(--color-overlay);
    z-index: 9999;
    overflow-y: auto;
    backdrop-filter: blur(8px);
}

.shell-dialog {
    width: min(560px, calc(100vw - 24px));
    margin: 40px auto;
    background: var(--surface-card);
    border: 1px solid var(--border-soft);
    border-radius: 16px;
    box-shadow: var(--shell-dialog-shadow);
    overflow: hidden;
}

.shell-dialog-wide {
    width: min(560px, calc(100vw - 24px));
}

.shell-auth-dialog {
    width: min(400px, calc(100vw - 24px));
    margin-top: 80px;
}

.shell-dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background-color: var(--shell-bg);
    background-image: linear-gradient(135deg, var(--shell-bg), var(--shell-bg-elevated));
    color: var(--color-text-nav);
    border-bottom: 1px solid var(--shell-dialog-header-border);
}

.shell-dialog-title {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.shell-dialog-close {
    cursor: pointer;
    font-size: 22px;
    line-height: 1;
    color: inherit;
    opacity: 0.85;
    transition: opacity 0.2s ease;
}

.shell-dialog-close:hover {
    opacity: 1;
}

.shell-dialog-body {
    padding: 18px 20px 20px;
    color: var(--text-strong);
}

.shell-dialog-section {
    margin-bottom: 16px;
    padding: 12px;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--surface-card) 72%, var(--surface-bg) 28%) 0%, var(--surface-card) 100%);
}

.shell-dialog-section-title {
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-strong);
}

.shell-dialog-row {
    display: flex;
    gap: 8px;
    margin-bottom: 6px;
}

.shell-dialog-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-input-border);
    border-radius: 8px;
    background: var(--color-input-bg);
    color: var(--color-input-text);
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.shell-dialog-input:focus {
    outline: none;
    border-color: color-mix(in srgb, var(--accent-highlight) 55%, var(--color-primary) 45%);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-highlight) 18%, transparent);
}

.shell-dialog-textarea {
    min-height: 88px;
    resize: vertical;
}

.shell-dialog-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
}

.shell-dialog-actions-end {
    justify-content: flex-end;
}

.shell-dialog-message {
    min-height: 18px;
    font-size: 12px;
    color: var(--text-muted);
}

.shell-dialog-note {
    margin-bottom: 14px;
    font-size: 13px;
    color: var(--text-muted);
}

.shell-dialog-primary-btn,
.shell-dialog-secondary-btn {
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.shell-dialog-primary-btn {
    padding: 8px 20px;
    background: var(--color-btn-primary);
    color: #fff;
    box-shadow: var(--shell-action-shadow-primary);
}

.shell-dialog-primary-btn:hover {
    background: var(--color-btn-primary-hover);
}

.shell-dialog-primary-btn.shell-dialog-danger-btn {
    background: var(--color-btn-danger);
    box-shadow: var(--shell-action-shadow-danger);
}

.shell-dialog-primary-btn.shell-dialog-danger-btn:hover {
    background: var(--color-btn-danger-hover);
}

.shell-dialog-primary-btn.shell-dialog-success-btn {
    background: var(--color-btn-success);
    box-shadow: var(--shell-action-shadow-success);
}

.shell-dialog-primary-btn.shell-dialog-success-btn:hover {
    background: var(--color-btn-success-hover);
}

.shell-dialog-secondary-btn {
    padding: 7px 18px;
    background: var(--surface-muted);
    color: var(--text-strong);
    border: 1px solid var(--border-soft);
}

.shell-dialog-link-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.shell-dialog-link {
    color: var(--color-primary);
    text-decoration: none;
}

.shell-dialog-link:hover {
    color: var(--color-primary-hover);
}

.shell-dialog-list {
    max-height: 360px;
    overflow-y: auto;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    min-height: 60px;
    background: color-mix(in srgb, var(--surface-card) 76%, var(--surface-bg) 24%);
}

.shell-dialog-list-empty {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}

.shell-comment-item {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-soft);
}

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

.shell-comment-item-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.shell-comment-author {
    font-weight: 700;
    font-size: 13px;
    color: var(--color-primary);
}

.shell-comment-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.shell-comment-time {
    font-size: 11px;
    color: var(--text-muted);
}

.shell-comment-subject {
    margin: 4px 0 2px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-strong);
}

.shell-comment-content {
    font-size: 12px;
    color: var(--color-text-secondary);
    white-space: pre-wrap;
    word-break: break-word;
}

.shell-comment-page-tag {
    display: inline-block;
    margin-top: 4px;
    padding: 1px 6px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--surface-muted) 60%, var(--surface-card) 40%);
    color: var(--text-muted);
    font-size: 10px;
}

/* === Page Container === */
.page-container {
    padding: var(--space-page);
    overflow-x: hidden;
    max-width: 1800px;
    margin-inline: auto;
}

/* === Section Title === */
.section-title {
    color: var(--text-strong);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 8px;
    padding: 4px 0 8px;
    border-bottom: 1px solid color-mix(in srgb, var(--accent-highlight) 24%, var(--border-soft) 76%);
}

/* === Tables === */
table.stock-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-bg-card);
    font-size: 13px;
}
table.stock-table th {
    background: linear-gradient(180deg, color-mix(in srgb, var(--color-bg-header) 82%, white 18%), var(--color-bg-header));
    color: var(--accent-primary);
    padding: 6px 8px;
    border: 1px solid var(--color-border);
    font-weight: bold;
    position: sticky;
    top: 0;
    text-align: left;
}
table.stock-table td {
    padding: 5px 8px;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}
table.stock-table tr:hover {
    background-color: var(--color-bg-hover);
}
table.stock-table tr.selected {
    background-color: var(--color-bg-selected);
}

/* Scrollable table wrapper */
.table-scroll {
    max-height: 70vh;
    overflow-y: auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-card);
    background: var(--surface-card);
}
.table-scroll::-webkit-scrollbar { width: 6px; height: 6px; }
.table-scroll::-webkit-scrollbar-track { background: var(--color-scrollbar-track); }
.table-scroll::-webkit-scrollbar-thumb { background: var(--color-scrollbar-thumb); border-radius: 3px; }

/* === Color Utilities === */
.text-red { color: var(--color-rise); }
.text-green { color: var(--color-fall); }
.text-magenta { color: var(--color-purple); }
.text-orange { color: var(--color-accent); }
.text-yellow { color: var(--color-accent-hover); }
.text-cyan { color: #0088aa; }
.text-white { color: var(--color-text); }
.text-pink { color: #d63384; }
.text-gray { color: var(--color-text-muted); }
.text-gold { color: var(--color-accent-hover); }
.text-light-orange { color: var(--color-accent); }

.bg-red { background-color: var(--color-rise); }
.bg-green { background-color: var(--color-fall); }
.bg-magenta { background-color: var(--color-purple); }
.bg-yellow { background-color: var(--color-accent-hover); }
.bg-blue { background-color: var(--color-btn-primary); }
.bg-cyan { background-color: #0088aa; }
.bg-gray { background-color: var(--color-text-muted); }

/* === Buttons === */
.btn {
    padding: 8px 16px;
    border: 1px solid color-mix(in srgb, var(--color-btn-primary) 22%, var(--border-soft) 78%);
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #FFFFFF;
    background: linear-gradient(180deg, color-mix(in srgb, var(--color-btn-primary) 88%, white 12%), var(--color-btn-primary));
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-weight: 600;
    box-shadow: 0 10px 22px color-mix(in srgb, var(--color-btn-primary) 22%, transparent);
}
.btn-primary {
    background: linear-gradient(180deg, color-mix(in srgb, var(--color-btn-primary) 88%, white 12%), var(--color-btn-primary));
    color: #FFFFFF;
}
.btn-primary:hover:not(:active) {
    background: var(--color-btn-primary-hover);
    box-shadow: 0 14px 28px color-mix(in srgb, var(--color-btn-primary) 28%, transparent);
    transform: translateY(-1px);
}
.btn-primary:active {
    background: var(--color-btn-primary-active);
    box-shadow: 0 8px 18px color-mix(in srgb, var(--color-btn-primary) 20%, transparent);
    transform: translateY(1px);
}
.btn-success {
    background: var(--color-btn-success);
    color: #FFFFFF;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
}
.btn-success:hover {
    background: var(--color-btn-success-hover);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}
.btn-danger {
    background: var(--color-btn-danger);
    color: #FFFFFF;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2);
}
.btn-danger:hover {
    background: var(--color-btn-danger-hover);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}
.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    min-height: 32px;
}
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    color: var(--text-strong);
    cursor: pointer;
    line-height: 1;
    flex-shrink: 0;
    vertical-align: middle;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.icon-btn:hover {
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.12);
}
.icon-btn:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--color-btn-primary) 65%, white 35%);
    outline-offset: 2px;
}
.icon-btn-trash::before {
    content: "";
    width: 14px;
    height: 14px;
    background-color: currentColor;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 3h6l1 2h4v2H4V5h4l1-2Zm-2 6h2v9H7V9Zm4 0h2v9h-2V9Zm4 0h2v9h-2V9ZM6 8h12v11a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2V8Z'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 3h6l1 2h4v2H4V5h4l1-2Zm-2 6h2v9H7V9Zm4 0h2v9h-2V9Zm4 0h2v9h-2V9ZM6 8h12v11a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2V8Z'/%3E%3C/svg%3E") center / contain no-repeat;
}
.icon-btn-danger {
    background: #fdecea;
    border-color: #f5c2c7;
    color: #c62828;
}
.icon-btn-danger:hover {
    background: #f9d5d9;
    border-color: #e9a8af;
    color: #a61b1b;
}
.btn-group { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }

/* === Cards (theme-aware gradients) === */
.card {
    background: linear-gradient(180deg, var(--card-gradient-start) 0%, var(--card-gradient-end) 100%);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    padding: var(--space-card);
    margin-bottom: 14px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: color-mix(in srgb, var(--accent-highlight) 42%, var(--border-soft) 58%);
    box-shadow: 0 18px 34px color-mix(in srgb, var(--shell-bg) 14%, transparent);
    transform: translateY(-2px);
}

.page-summary-card,
.content-card,
.table-card,
.control-card,
.modal-card {
    background: linear-gradient(180deg, var(--card-gradient-start) 0%, var(--card-gradient-end) 100%);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
}

.page-summary-card {
    position: relative;
    overflow: hidden;
    padding: 22px 24px;
    margin-bottom: 18px;
}

.page-summary-card::before {
    content: "";
    position: absolute;
    top: -40px;
    left: -30px;
    width: 220px;
    height: 220px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(31, 93, 140, 0.14) 0%, rgba(31, 93, 140, 0) 72%);
    pointer-events: none;
}

.page-summary-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(280px, 1fr);
    gap: var(--space-gap);
    align-items: start;
}

.page-summary-copy,
.page-summary-side {
    min-width: 0;
}

.page-summary-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(31, 93, 140, 0.08);
    color: var(--accent-primary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-summary-title {
    margin: 14px 0 8px;
    color: var(--text-strong);
    font-size: clamp(22px, 3vw, 34px);
    line-height: 1.15;
}

.page-summary-desc {
    margin: 0;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.75;
    max-width: 60ch;
}

.page-summary-meta,
.page-summary-actions,
.summary-pill-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.page-summary-meta {
    margin-top: 16px;
}

.page-summary-actions {
    margin-top: 18px;
}

.summary-pill {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(16, 40, 67, 0.07);
    color: var(--text-strong);
    font-size: 12px;
    font-weight: 600;
}

.summary-pill strong {
    color: var(--accent-highlight);
    margin-left: 6px;
    font-size: 13px;
}

.summary-stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.summary-stat {
    padding: 14px 16px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(8, 26, 45, 0.96) 0%, rgba(16, 40, 67, 0.94) 100%);
    color: #f7fbff;
}

.summary-stat-label {
    display: block;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(247, 251, 255, 0.72);
}

.summary-stat-value {
    display: block;
    margin-top: 8px;
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 700;
    line-height: 1.1;
}

.summary-stat-note {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: rgba(247, 251, 255, 0.8);
}

.content-card,
.table-card,
.control-card,
.modal-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-width: 0;
    padding: var(--space-card);
}

.card-kicker {
    color: var(--accent-primary);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.card-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.card-title {
    margin: 0;
    color: var(--text-strong);
    font-size: 18px;
    font-weight: 700;
}

.card-desc {
    margin: 0;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.65;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
    gap: var(--space-gap);
    align-items: start;
}

.stack-grid {
    display: grid;
    gap: var(--space-gap);
}

.two-column-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-gap);
}

.three-column-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.page-section {
    margin-bottom: 18px;
}

.card-toolbar,
.control-chip-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

/* === Layout Helpers === */
.flex-row { display: flex; gap: var(--space-gap); }
.flex-col { display: flex; flex-direction: column; gap: var(--space-gap); }
.flex-1 { flex: 1; min-width: 0; }
.flex-2 { flex: 2; min-width: 0; }
.flex-3 { flex: 3; min-width: 0; }
.flex-4 { flex: 4; min-width: 0; }
.flex-5 { flex: 5; min-width: 0; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.mt-8 { margin-top: 8px; }
.mb-8 { margin-bottom: 8px; }
.p-8 { padding: 8px; }
.text-center { text-align: center; }

.compact-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
}

.compact-metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.compact-metric {
    padding: 12px 14px;
    border: 1px solid var(--border-soft);
    border-radius: 14px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--metric-gradient-start) 84%, white 16%) 0%, var(--metric-gradient-end) 100%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.46);
}

.compact-metric-label {
    font-size: 12px;
    color: var(--text-muted);
}

.compact-metric-value {
    margin-top: 6px;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-strong);
}

.compact-metric-value.is-meta {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
}

.compact-note-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.compact-note-copy {
    flex: 1 1 260px;
    margin: 0;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.7;
}

.stock-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 220px;
    padding: 20px;
    text-align: center;
    color: var(--color-text-muted);
}

.stock-empty-state-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.stock-empty-state-copy {
    max-width: 560px;
    font-size: 12px;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* === Chart Container === */
.chart-container {
    background: linear-gradient(180deg, var(--chart-gradient-start) 0%, var(--chart-gradient-end) 100%);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    padding: 12px;
    min-height: 220px;
}

[data-ui-component='page-summary'] > .chart-container:not([id]) {
    min-height: 0;
}

[data-ui-component='content-card'] > .chart-container:not([id]) {
    min-height: 0;
    border: none;
    box-shadow: none;
    background: transparent;
}

/* === Info Panel === */
.info-panel {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 12px;
    color: var(--color-accent);
    font-size: 14px;
    line-height: 1.6;
    overflow-y: auto;
    max-height: 70vh;
}
.info-panel h2 { color: var(--color-text); font-size: 16px; margin-bottom: 8px; }
.info-panel h3 { color: var(--color-rise); font-size: 14px; margin-bottom: 4px; }
.info-panel p { color: var(--color-text-secondary); font-size: 14px; }

/* === Live Broadcast === */
.live-item {
    border-bottom: 1px solid var(--color-border);
    padding: 8px 0;
}
.live-time { color: var(--color-rise); font-size: 15px; font-weight: bold; }
.live-comment { color: var(--color-primary); font-size: 15px; margin: 4px 0; }
.live-stock { color: var(--color-text); font-size: 14px; }
.live-separator { color: var(--color-text-muted); font-size: 12px; }

/* === News Items === */
.news-item {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}
.news-time { color: var(--color-rise); font-size: 14px; font-weight: bold; }
.news-title { color: var(--color-primary); font-size: 15px; margin: 4px 0; }
.news-content { color: var(--color-text-secondary); font-size: 13px; line-height: 1.5; }

/* === Tab Buttons (Sub-page) === */
.sub-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    align-items: center;
    flex-wrap: wrap;
}
.sub-tabs .tab-btn {
    padding: 4px 14px;
    background-color: var(--color-tab-bg);
    color: var(--color-tab-text);
    border: 1px solid var(--color-tab-border);
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}
.sub-tabs .tab-btn:hover { background-color: var(--color-tab-hover); }
.sub-tabs .tab-btn.active {
    background-color: var(--color-tab-active-bg);
    color: var(--color-tab-active-text);
    border-color: var(--color-tab-active-bg);
}

/* === Date Picker === */
[data-theme-id="apricot-glow-light"] .sub-tabs #lhb-date {
    background-color: var(--color-input-bg);
    color: var(--color-input-text);
    border: 1px solid var(--color-input-border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 14px;
}

/* === Status Badge === */
.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: bold;
    color: white;
}

/* === Loading Spinner === */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--color-text-muted);
    font-size: 16px;
}

/* === XG Panel Tab Visibility === */
.xg-panel { display: none; }
.xg-panel.active { display: block; }

/* === Zttl specific === */
.zttl-table { width: 100%; border-collapse: collapse; }
.zttl-table th, .zttl-table td {
    border: 1px solid var(--color-border);
    padding: 4px 6px;
    vertical-align: top;
    text-align: center;
}
.zttl-table th {
    background-color: var(--color-bg-header);
    color: var(--color-text-secondary);
    font-size: 12px;
}
.zttl-table td { font-size: 12px; }
.zttl-table .col-board { background-color: var(--color-bg-header); color: var(--color-text); width: 25px; }
.zttl-table .col-advance { background-color: var(--color-bg-card); color: var(--color-rise); }
.zttl-table .col-retreat { background-color: var(--color-bg-card); color: var(--color-fall); }
.zttl-table .col-date { background-color: var(--color-bg-card); color: var(--color-text); font-size: 12px; }
.zttl-table .summary-magenta { color: var(--color-purple); }
.zttl-table .summary-green { color: var(--color-fall); }
.zttl-table .summary-orange { color: var(--color-accent); }

/* === Highlight for lbtt === */
.highlight-pink { background-color: rgba(200, 100, 180, 0.2) !important; }
.highlight-blue { background-color: rgba(100, 140, 210, 0.2) !important; }
.highlight-red { background-color: rgba(235, 60, 30, 0.2) !important; }

/* === Page Footer === */
.page-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    padding: 10px 0;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 11px;
}

/* === Global Grayscale Toggle === */
.grayscale-btn {
    margin-right: 12px;
    padding: 5px 14px;
    font-size: 12px;
    border: 1px solid var(--shell-control-border);
    border-radius: 4px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--shell-bg-elevated) 86%, white 14%), var(--shell-bg-elevated));
    color: var(--surface-card);
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    box-shadow: var(--shell-control-shadow);
}
.grayscale-btn:hover {
    background: color-mix(in srgb, var(--accent-highlight) 14%, var(--shell-bg-elevated) 86%);
}
.shell-theme-select {
    margin-right: 12px;
    padding: 5px 36px 5px 14px;
    min-width: 124px;
    font-size: 12px;
    line-height: 1.4;
    border: 1px solid var(--shell-control-border);
    border-radius: 4px;
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--shell-bg-elevated) 88%, white 12%), var(--shell-bg-elevated));
    color: var(--surface-card);
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    box-shadow: var(--shell-control-shadow);
    background-image:
        linear-gradient(180deg, color-mix(in srgb, var(--shell-bg-elevated) 88%, white 12%), var(--shell-bg-elevated)),
        linear-gradient(45deg, transparent 50%, var(--accent-highlight) 50%),
        linear-gradient(135deg, var(--accent-highlight) 50%, transparent 50%);
    background-position:
        0 0,
        calc(100% - 18px) calc(50% - 3px),
        calc(100% - 12px) calc(50% - 3px);
    background-size:
        100% 100%,
        6px 6px,
        6px 6px;
    background-repeat: no-repeat;
}
.shell-theme-select:hover {
    background-image:
        linear-gradient(180deg, color-mix(in srgb, var(--accent-highlight) 14%, var(--shell-bg-elevated) 86%), color-mix(in srgb, var(--accent-highlight) 10%, var(--shell-bg) 90%)),
        linear-gradient(45deg, transparent 50%, var(--accent-highlight) 50%),
        linear-gradient(135deg, var(--accent-highlight) 50%, transparent 50%);
    border-color: var(--shell-control-border-hover);
    box-shadow: var(--shell-control-shadow-hover);
}
.shell-theme-select:focus {
    outline: none;
    border-color: var(--navbar-active-border);
    box-shadow:
        0 0 0 2px color-mix(in srgb, var(--accent-highlight) 20%, transparent),
        var(--shell-control-shadow);
}
.shell-theme-select option {
    color: #13263a;
    background: #f8f2e8;
}
.shell-topbar .grayscale-btn,
.shell-topbar .shell-theme-select,
.shell-topbar #global-freq,
.shell-topbar .shell-frequency-select {
    height: 25px;
    padding: 0 10px;
    box-sizing: border-box;
}
.shell-topbar .grayscale-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.shell-topbar .shell-theme-select,
.shell-topbar #global-freq,
.shell-topbar .shell-frequency-select {
    padding-right: 36px;
}
.grayscale-btn.grayscale-on {
    color: #fff8ea;
    border-color: var(--shell-control-border-hover);
    background: linear-gradient(180deg, color-mix(in srgb, var(--accent-highlight) 28%, var(--shell-bg-elevated) 72%), color-mix(in srgb, var(--accent-highlight) 16%, var(--shell-bg) 84%));
}
body.grayscale .page-container {
    filter: grayscale(1);
}


/* ============================================
   RESPONSIVE BREAKPOINTS
   xl: >1440  — full layout (content capped at 1800px)
   lg: 1025–1440 — desktop, slightly tighter
   md: 769–1024  — tablet: 2-col grids, scrollable nav tabs
   sm: 481–768   — large phone: hamburger nav, single-col
   xs: ≤480      — small phone: extra compact
   ============================================ */

/* === Large Desktop (1025–1440px) === */
@media (max-width: 1440px) {
    .page-summary-grid {
        grid-template-columns: minmax(0, 1.5fr) minmax(240px, 1fr);
    }
    .dashboard-grid {
        grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.9fr);
    }
}

/* === Tablet (769–1024px) === */
@media (max-width: 1024px) {
    /* Nav tabs: smaller padding, still horizontal scroll */
    .shell-main-nav .nav-tabs li a {
        padding: 10px 14px;
        font-size: 13px;
    }

    /* Grids: 2-col where it makes sense, not single-col */
    .page-summary-grid {
        grid-template-columns: 1fr;
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .three-column-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    /* flex-row stays horizontal with wrapping */
    .flex-row {
        flex-wrap: wrap;
    }

    .page-summary-card {
        padding: 18px 20px;
    }

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

/* === Large Phone / Small Tablet (≤768px) === */
@media (max-width: 768px) {
    /* Hamburger visible */
    .nav-hamburger {
        display: flex;
    }

    .app-shell {
        --shell-topbar-height: 136px;
    }

    .shell-topbar {
        padding-inline: 8px;
        column-gap: 8px;
    }

    .topbar-actions {
        gap: 6px;
        justify-content: flex-start;
    }

    .grayscale-btn,
    .shell-theme-select,
    #global-freq,
    .shell-frequency-select {
        height: 25px;
        margin-right: 6px;
        padding: 0 10px;
        font-size: 11px !important;
        line-height: 23px;
    }

    .shell-theme-select,
    #global-freq,
    .shell-frequency-select {
        padding-right: 30px;
        background-position:
            0 0,
            calc(100% - 16px) calc(50% - 3px),
            calc(100% - 11px) calc(50% - 3px);
    }

    #user-dropdown {
        position: fixed !important;
        left: 12px !important;
        right: 12px !important;
        top: calc(var(--shell-topbar-height) + 8px) !important;
        width: auto !important;
        min-width: 0 !important;
        max-width: calc(100vw - 24px) !important;
        max-height: calc(100vh - var(--shell-topbar-height) - 20px) !important;
        overflow: auto !important;
        box-sizing: border-box;
    }

    /* Nav menu: collapsible */
    .nav-menu {
        display: none;
        width: 100%;
    background-color: var(--shell-bg-elevated);
    background-image: linear-gradient(135deg, var(--shell-bg), var(--shell-bg-elevated));
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .nav-menu.open {
        display: block;
    }
    .nav-menu-inner {
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    /* Nav tabs: vertical list */
    .shell-main-nav .nav-tabs {
        flex-direction: column;
        overflow-x: visible;
        width: 100%;
    }
    .shell-main-nav .nav-tabs li a {
        padding: 10px 20px;
        border-bottom: none;
        border-left: 3px solid transparent;
        font-size: 14px;
    }
    .shell-main-nav .nav-tabs li a:hover,
    .shell-main-nav .nav-tabs li a.active {
        border-left-color: var(--accent-highlight);
        border-bottom-color: transparent;
        background-color: color-mix(in srgb, var(--surface-card) 12%, transparent);
    }

    a.brand {
        padding: 10px 12px;
        font-size: 15px;
    }

    /* All multi-col grids → single column */
    .flex-row {
        flex-direction: column;
    }
    .two-column-grid,
    .three-column-grid {
        grid-template-columns: 1fr;
    }

    /* Page container */
    .page-container {
        padding: 12px 10px;
    }

    /* Section titles */
    .section-title {
        font-size: 14px;
        flex-wrap: wrap;
    }

    .page-summary-card {
        padding: 16px 14px;
        margin-bottom: 12px;
    }

    .page-summary-title {
        font-size: 22px;
    }

    .page-summary-desc {
        font-size: 13px;
    }

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

    /* Tables: smaller text */
    table.stock-table {
        font-size: 12px;
    }
    table.stock-table th {
        padding: 4px 6px;
        font-size: 12px;
    }
    table.stock-table td {
        padding: 3px 6px;
    }

    /* Zttl table */
    .zttl-table th, .zttl-table td {
        padding: 3px 4px;
        font-size: 11px;
    }

    /* Charts: smaller height */
    .chart-container {
        min-height: 180px;
    }

    .compact-note-row {
        flex-direction: column;
    }

    .stock-empty-state {
        min-height: 180px;
        padding: 12px 8px;
    }

    /* Cards */
    .card {
        margin-bottom: 8px;
    }

    /* Info panel */
    .info-panel {
        padding: 8px;
        font-size: 13px;
    }

    /* Buttons */
    .btn {
        padding: 7px 14px;
        font-size: 12px;
        min-height: 34px;
    }
    .btn-group {
        gap: 6px;
    }

    /* Sub tabs */
    .sub-tabs {
        gap: 4px;
    }
    .sub-tabs .tab-btn {
        padding: 4px 10px;
        font-size: 12px;
    }

    /* Footer */
    .page-footer {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }

    /* Table scroll */
    .table-scroll {
        max-height: 60vh;
    }

    .shell-theme-select {
        min-width: 116px;
    }
    .topbar-actions {
        padding-block: 2px;
    }

    /* Comment & Login overlays: full width */
    .shell-dialog {
        margin: 16px 8px !important;
        width: auto !important;
        max-width: none !important;
    }

    /* Param panels (qxdh, tcxg) */
    .rot-param-grid {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Overview 2-column grid */
    .overview-2col {
        grid-template-columns: 1fr !important;
    }

    /* Rotation split layout */
    .rotation-split {
        flex-direction: column !important;
    }

    /* Live items */
    .live-time { font-size: 13px; }
    .live-comment { font-size: 13px; }
    .live-stock { font-size: 12px; }

    /* Qxdh layout */
    .qxdh-layout {
        flex-direction: column !important;
    }
    .qxdh-realtime {
        order: 2;
    }

    /* Prevent iOS auto-zoom on input focus */
    select,
    input[type="text"],
    input[type="date"],
    input[type="number"],
    textarea {
        font-size: 16px !important;
    }

    /* Touch target size for buttons */
    .btn {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* Shouye (homepage) charts */
    #chart1, #chart2 {
        height: 220px !important;
    }

    /* Xwyj sidebar buttons */
    .xwyj-sidebar {
        flex-direction: row !important;
        width: auto !important;
        overflow-x: auto;
    }
    .xwyj-sidebar .btn {
        writing-mode: horizontal-tb !important;
        white-space: nowrap;
    }

    /* Qxdh param panel table overflow */
    #param-panel table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Ref page grids */
    .strategy-grid {
        grid-template-columns: 1fr !important;
    }
    .core-rules-list {
        grid-template-columns: 1fr !important;
    }

    /* Chicang import dialog */
    .chicang-import-dialog {
        margin: 16px 8px !important;
        max-width: none !important;
    }
}

/* === Small Phone (≤480px) === */
@media (max-width: 480px) {
    .page-container {
        padding: 8px 6px;
    }

    .page-summary-card {
        padding: 12px 10px;
        margin-bottom: 10px;
    }

    .page-summary-title {
        font-size: 20px;
    }

    /* Stats: single column on very small screens */
    .summary-stat-grid {
        grid-template-columns: 1fr;
    }

    .summary-stat-value {
        font-size: 18px;
    }

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

    .compact-metric {
        padding: 10px 12px;
    }

    .compact-metric-value {
        font-size: 18px;
    }

    /* Cards tighter */
    .card {
        margin-bottom: 6px;
        border-radius: 12px;
    }

    .chart-container {
        min-height: 160px;
        border-radius: 12px;
        padding: 8px;
    }

    /* Nav tabs in menu: full compact */
    .shell-main-nav .nav-tabs li a {
        padding: 8px 16px;
        font-size: 13px;
    }

    /* Table font even smaller */
    table.stock-table {
        font-size: 11px;
    }
    table.stock-table th {
        padding: 3px 4px;
        font-size: 11px;
    }
    table.stock-table td {
        padding: 2px 4px;
    }

    .btn-group {
        gap: 4px;
    }

    .sub-tabs .tab-btn {
        padding: 3px 8px;
        font-size: 11px;
    }

    /* Smaller section title */
    .section-title {
        font-size: 13px;
    }
}