/* 河洛天枢 global shell: main tabs, settings, theme presets. */

:root {
  --ui-accent: #b01e2e;
  --ui-accent-rgb: 176, 30, 46;
  --ui-accent-2: #c6a02a;
  --ui-accent-2-rgb: 198, 160, 42;
}

html[data-accent="china"] {
  --accent: #b01e2e;
  --accent-rgb: 176, 30, 46;
  --accent-2: #c6a02a;
  --accent-2-rgb: 198, 160, 42;
  --accent-ink: #fffdf7;
}

html[data-accent="tech"] {
  --accent: #18b6c9;
  --accent-rgb: 24, 182, 201;
  --accent-2: #4f8cff;
  --accent-2-rgb: 79, 140, 255;
  --accent-ink: #041114;
}

html[data-accent="gold"] {
  --accent: #c9a227;
  --accent-rgb: 201, 162, 39;
  --accent-2: #f0e6c8;
  --accent-2-rgb: 240, 230, 200;
  --accent-ink: #171207;
}

/* Header is now brand + search + settings only. */
.site-header {
  grid-template-columns: auto minmax(0, 1fr);
}

.header-tools {
  grid-column: 2;
  justify-self: end;
  gap: 8px;
}

.header-tools #settingsBtn {
  color: var(--accent);
}

.main-tabs {
  position: sticky;
  top: var(--header-h);
  z-index: 45;
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  background: var(--bezel);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 30px -28px rgba(var(--ink-rgb), .35);
}

.main-tabs::-webkit-scrollbar {
  display: none;
}

.main-tabs a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color .18s, border-color .18s, background .18s;
}

.main-tabs a:hover {
  color: var(--ink);
  background: rgba(var(--accent-rgb), .045);
}

.main-tabs a.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.main-tabs a.is-active::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), .8);
}

body[data-route="world"] .main-tabs {
  background: var(--hj-bg, #070b09);
  border-bottom-color: var(--hj-line, rgba(190, 210, 190, .15));
}

body[data-route="world"] .main-tabs a {
  color: var(--hj-muted, #91a096);
}

body[data-route="world"] .main-tabs a:hover {
  color: var(--hj-ink, #e8efe6);
}

body[data-route="world"] .main-tabs a.is-active {
  color: var(--hj-accent, #2ecc71);
  border-bottom-color: var(--hj-accent, #2ecc71);
}

body[data-route="world"] .main-tabs a.is-active::before {
  background: var(--hj-accent, #2ecc71);
  box-shadow: 0 0 10px var(--hj-accent, #2ecc71);
}

/* ---- Settings drawer ---- */

.settings-scrim {
  position: fixed;
  inset: 0;
  z-index: 170;
  background: rgba(5, 8, 6, .52);
  backdrop-filter: blur(3px);
}

.settings-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 180;
  width: min(400px, 100vw);
  display: flex;
  flex-direction: column;
  background: var(--panel);
  color: var(--ink);
  border-left: 1px solid var(--line-strong);
  box-shadow: -30px 0 80px -40px rgba(0, 0, 0, .6);
  transform: translateX(100%);
  transition: transform .26s var(--ease-arrive);
}

.settings-drawer.is-open {
  transform: translateX(0);
}

.settings-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 22px 18px;
  border-bottom: 1px solid var(--line);
}

.settings-head .eyebrow {
  color: var(--accent);
  margin-bottom: 8px;
}

.settings-head h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -.035em;
}

.settings-body {
  overflow-y: auto;
  padding: 4px 22px 30px;
}

.settings-section {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.settings-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.settings-section__head span {
  color: var(--ink);
}

.settings-section__head em {
  color: var(--faint);
  font-style: normal;
  font-size: 8px;
}

.settings-segment {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line-strong);
}

.settings-segment--lang { grid-template-columns: 1fr 1fr; }

.settings-segment button {
  min-height: 40px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .06em;
  cursor: pointer;
}

.settings-segment button:last-child { border-right: 0; }

.settings-segment button:hover {
  color: var(--ink);
  background: rgba(var(--accent-rgb), .06);
}

.settings-segment button.is-active {
  background: var(--accent);
  color: var(--accent-ink);
}

.settings-swatches {
  display: grid;
  gap: 8px;
}

.settings-swatch {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 50px;
  padding: 0 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.settings-swatch i {
  width: 22px;
  height: 22px;
  border: 1px solid rgba(255, 255, 255, .25);
  background: linear-gradient(135deg, #b01e2e 0 58%, #c6a02a 58% 100%);
}

.settings-swatch.is-tech i {
  background: linear-gradient(135deg, #18b6c9 0 58%, #4f8cff 58% 100%);
}

.settings-swatch.is-gold i {
  background: linear-gradient(135deg, #171207 0 58%, #c9a227 58% 100%);
}

.settings-swatch span {
  font-size: 12px;
}

.settings-swatch em {
  color: var(--faint);
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 8px;
}

.settings-swatch:hover,
.settings-swatch.is-active {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), .055);
}

.settings-swatch.is-active {
  box-shadow: inset 0 0 0 1px var(--accent);
}

.settings-versions {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
}

.settings-versions div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
}

.settings-versions span { color: var(--muted); }

.settings-versions b {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  color: var(--accent);
}

.settings-update-btn {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
}

.settings-update-btn:hover {
  filter: brightness(1.08);
}

.settings-note {
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 10px;
  line-height: 1.7;
}

.settings-about {
  border-bottom: 0;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 8px;
  line-height: 1.8;
}

.settings-about span {
  display: inline-block;
  margin-right: 10px;
}

.settings-about p {
  margin: 8px 0 0;
}

@media (max-width: 700px) {
  .main-tabs a {
    min-height: 44px;
    padding: 0 13px;
    font-size: 9px;
  }

  .settings-drawer {
    width: 100vw;
  }

  .settings-head {
    padding: 18px 16px 14px;
  }

  .settings-body {
    padding: 0 16px 24px;
  }
}


/* Phone landscape: compact chrome, keep content usable */
@media (orientation: landscape) and (max-width: 900px) and (max-height: 560px) {
  :root { --header-h: 44px; }
  .site-header { min-height: 44px; gap: 8px; padding: 0 10px; }
  .brand { gap: 7px; }
  .brand__mark { width: 28px; height: 28px; }
  .brand__text strong { font-size: 17px; letter-spacing: .08em; }
  .brand__text span { display: none; }
  .header-tools { gap: 4px; }
  .header-tools .icon-btn { width: 32px; height: 32px; }
  .header-tools .icon-btn kbd { display: none; }
  .main-tabs { top: 44px; height: 32px !important; min-height: 32px !important; max-height: 32px !important; }
  .main-tabs a { height: 32px !important; min-height: 32px !important; padding: 0 9px; font-size: 9px; gap: 5px; }
  .main-tabs a.is-active::before { width: 4px; height: 4px; }
}


/* Mobile density pass */
@media (max-width: 760px) {
  :root { --header-h: 52px; }
  .site-header { min-height: 52px; padding: 0 10px; gap: 7px; }
  .brand { gap: 8px; }
  .brand__mark { width: 28px; height: 28px; }
  .brand__text strong { font-size: 17px; letter-spacing: .07em; }
  .brand__text span { font-size: 6px; margin-top: 2px; }
  .header-tools { gap: 4px; }
  .header-tools .icon-btn { width: 34px; height: 34px; }
  .header-tools .icon-btn kbd { display: none; }
  .main-tabs { top: 52px; }
  .main-tabs a { min-height: 36px; padding: 0 5px; font-size: 8px; gap: 3px; letter-spacing: .01em; }
  .main-tabs a.is-active::before { width: 4px; height: 4px; }
  .settings-drawer { width: 100%; }
  .settings-section { padding: 15px 0; }
  .settings-section__head { margin-bottom: 9px; font-size: 8px; }
  .settings-segment { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .settings-segment--lang { grid-template-columns: 1fr 1fr; }
  .settings-segment button { min-height: 34px; font-size: 8px; letter-spacing: .03em; }
  .settings-swatch { min-height: 42px; padding: 8px 10px; }
  .settings-actions button { min-height: 36px; font-size: 9px; }
}


.settings-onboard-btn { margin-top: 10px; }
.settings-onboard-btn::before { content: "?"; margin-right: 6px; font-family: var(--font-mono); }

.onboarding { position: fixed; inset: 0; z-index: 210; display: grid; place-items: center; }
.onboarding__scrim { position: absolute; inset: 0; background: rgba(3, 8, 5, .68); backdrop-filter: blur(7px); }
.onboarding__card {
  position: relative;
  width: min(560px, calc(100vw - 32px));
  padding: 30px 32px 24px;
  border: 1px solid var(--line-strong);
  background: var(--bezel);
  box-shadow: 0 30px 100px -20px rgba(0, 0, 0, .55);
}
.onboarding__card::before { content: ""; position: absolute; left: 0; top: 0; width: 54px; height: 3px; background: var(--accent); }
.onboarding__skip { position: absolute; right: 16px; top: 14px; border: 0; background: transparent; color: var(--muted); font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; cursor: pointer; }
.onboarding__tag { margin: 0 0 14px; color: var(--accent); font-family: var(--font-mono); font-size: 8px; letter-spacing: .12em; }
.onboarding__card h2 { margin: 0; font-family: var(--font-display); font-size: clamp(28px, 4vw, 42px); line-height: 1.05; letter-spacing: -.03em; }
.onboarding__body { margin: 14px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.onboarding__dots { display: flex; gap: 5px; margin-top: 24px; }
.onboarding__dots i { display: block; width: 16px; height: 2px; background: var(--line-strong); }
.onboarding__dots i.is-on { background: var(--accent); }
.onboarding__actions { display: flex; justify-content: space-between; gap: 10px; margin-top: 22px; }
.onboarding__prev, .onboarding__next { min-height: 38px; padding: 0 16px; border: 1px solid var(--line-strong); background: transparent; color: var(--ink); font-family: var(--font-mono); font-size: 9px; letter-spacing: .05em; cursor: pointer; }
.onboarding__prev:disabled { opacity: .3; cursor: default; }
.onboarding__next { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); margin-left: auto; }
@media (max-width: 760px) {
  .onboarding__card { width: calc(100vw - 24px); padding: 24px 20px 18px; }
  .onboarding__card h2 { font-size: 28px; }
  .onboarding__body { font-size: 12px; }
  .onboarding__actions { position: sticky; bottom: 0; background: var(--bezel); padding-top: 10px; }
}

/* --------------------------------------------------------------------------
   Tab spotlight tour
   -------------------------------------------------------------------------- */
.tour { position: fixed; inset: 0; z-index: 210; pointer-events: none; }
.tour__spot {
  position: fixed;
  z-index: 211;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: transparent;
  box-shadow: 0 0 0 9999px rgba(4, 7, 5, .78),
              0 0 0 3px rgba(var(--accent-rgb), .18),
              0 0 28px rgba(var(--accent-rgb), .75);
  transition: left .28s var(--ease-arrive), top .28s var(--ease-arrive),
              width .28s var(--ease-arrive), height .28s var(--ease-arrive);
  animation: tourPulse 1.8s ease-in-out infinite;
}
.tour__card {
  position: fixed;
  z-index: 212;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  width: min(560px, calc(100vw - 24px));
  padding: 18px 20px 16px;
  border: 1px solid var(--line-strong);
  background: var(--bezel);
  box-shadow: 0 24px 90px -24px rgba(0, 0, 0, .8);
  pointer-events: auto;
}
.tour__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 58px;
  height: 3px;
  background: var(--accent);
}
.tour__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tour__count { color: var(--accent); font-family: var(--font-mono); font-size: 8px; letter-spacing: .12em; }
.tour__skip { border: 0; background: transparent; color: var(--muted); font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; cursor: pointer; padding: 4px; }
.tour__tag { margin: 12px 0 7px; color: var(--accent); font-family: var(--font-mono); font-size: 8px; letter-spacing: .14em; }
.tour__card h2 { margin: 0; font-family: var(--font-display); font-size: clamp(24px, 4vw, 34px); line-height: 1.08; letter-spacing: -.03em; }
.tour__body { margin: 9px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.tour__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; }
.tour__dots { display: flex; gap: 5px; }
.tour__dots i { display: block; width: 14px; height: 2px; background: var(--line-strong); }
.tour__dots i.is-on { background: var(--accent); }
.tour__actions { display: flex; gap: 7px; margin-left: auto; }
.tour__prev, .tour__next { min-height: 34px; padding: 0 13px; border: 1px solid var(--line-strong); background: transparent; color: var(--ink); font-family: var(--font-mono); font-size: 8px; letter-spacing: .05em; cursor: pointer; }
.tour__prev:disabled { opacity: .3; cursor: default; }
.tour__next { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.main-tabs a.is-tour { color: var(--accent) !important; text-shadow: 0 0 16px rgba(var(--accent-rgb), .9); }
@keyframes tourPulse {
  0%, 100% { box-shadow: 0 0 0 9999px rgba(4, 7, 5, .78), 0 0 0 3px rgba(var(--accent-rgb), .18), 0 0 20px rgba(var(--accent-rgb), .55); }
  50% { box-shadow: 0 0 0 9999px rgba(4, 7, 5, .78), 0 0 0 4px rgba(var(--accent-rgb), .35), 0 0 38px rgba(var(--accent-rgb), .95); }
}
@media (max-width: 760px) {
  .tour__card { bottom: 12px; width: calc(100vw - 20px); padding: 15px 14px 13px; }
  .tour__card h2 { font-size: 24px; }
  .tour__body { font-size: 11px; line-height: 1.65; }
  .tour__foot { margin-top: 12px; }
  .tour__dots i { width: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .tour__spot { animation: none; transition: none; }
}

/* Green accent: pine / jade, readable on both dark and light */
html[data-accent="green"] {
  --accent: #3f9e6b;
  --accent-rgb: 63, 158, 107;
  --accent-2: #d0b45f;
  --accent-2-rgb: 208, 180, 95;
  --accent-ink: #04140b;
}

/* App download */
.app-download {
  position: fixed;
  inset: 0;
  z-index: 240;
  display: grid;
  place-items: center;
  padding: 18px;
}
.app-download[hidden] { display: none !important; }
.app-download__scrim {
  position: absolute;
  inset: 0;
  background: rgba(3, 6, 4, .78);
  backdrop-filter: blur(7px);
}
.app-download__card {
  position: relative;
  z-index: 1;
  width: min(720px, calc(100vw - 24px));
  max-height: calc(100vh - 36px);
  overflow: auto;
  padding: 26px 28px 24px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: 0 30px 110px -24px rgba(0, 0, 0, .9);
}
.app-download__card::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 64px; height: 3px;
  background: var(--accent);
}
.app-download__card h2 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
  letter-spacing: -.04em;
}
.app-download__lede { margin: 10px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.app-download__body {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  margin-top: 20px;
}
.app-download__qr {
  width: 236px;
  height: 236px;
  display: block;
  background: #f4f1e8;
  border: 8px solid #f4f1e8;
}
.app-download__info { display: grid; gap: 9px; align-content: center; }
.app-download__meta { color: var(--accent); font-family: var(--font-mono); font-size: 8px; letter-spacing: .1em; }
.app-download__btn { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.app-download__copy { min-height: 36px; }
.app-download__note { margin: 4px 0 0; color: var(--faint); font-size: 10px; line-height: 1.6; }
.is-app-download { overflow: hidden; }
.app-download__card .close-btn { position: absolute; right: 14px; top: 12px; }
@media (max-width: 760px) {
  .app-download { padding: 10px; }
  .app-download__card { padding: 22px 18px 18px; max-height: calc(100vh - 20px); }
  .app-download__card h2 { font-size: 30px; }
  .app-download__body { grid-template-columns: 1fr; gap: 14px; }
  .app-download__qr { width: 190px; height: 190px; margin: 0 auto; }
  .app-download__info { text-align: center; }
  .app-download__btn, .app-download__copy { width: 100%; }
}