/* ==========================================================================
   Threshold AI — mobile H5
   App-width column (≤480px), sticky app bar, bottom tab bar, bottom sheets.
   ========================================================================== */

:root {
  --paper: #f6f3ed;
  --paper-raise: #fbf9f5;
  --paper-sunk: #ece7dd;
  --ink: #15140f;
  --ink-soft: #3f3c34;
  --ink-mute: #6f6a5e;
  --ink-faint: #7e7668;
  --line: #e0d9cb;
  --line-strong: #c9c0ad;
  --pine: #14453a;
  --pine-soft: #1c5a4a;
  --pine-tint: #e3ece6;
  --clay: #a85730;
  --clay-tint: #f4e7dd;
  --danger: #9b3a2a;
  --gold: #b58a2e;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "SFMono-Regular", "JetBrains Mono", "Roboto Mono", Menlo, monospace;
  --radius: 8px;
  --app-w: 480px;
  --appbar-h: 54px;
  --tabbar-h: 58px;
  --pad: 18px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #e8e2d7;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
}

body.is-locked {
  overflow: hidden;
}

img,
svg {
  display: block;
}

h1,
h2,
h3,
h4,
p,
dl,
dd,
ol,
ul {
  margin: 0;
}

ol,
ul {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

input,
select,
textarea {
  font: inherit;
}

::selection {
  background: var(--pine);
  color: var(--paper);
}

:focus-visible {
  outline: 2px solid var(--pine);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 14px;
  border-radius: 6px;
}

.skip-link:focus {
  left: 12px;
}

/* ------------------------------- shell -------------------------------- */

.app {
  position: relative;
  width: min(100%, var(--app-w));
  min-height: 100dvh;
  margin: 0 auto;
  background: var(--paper);
  border-inline: 1px solid rgba(21, 20, 15, 0.06);
  box-shadow: 0 0 70px -30px rgba(21, 20, 15, 0.35);
}

.app-main {
  display: block;
}

.view {
  padding: 4px var(--pad) 8px;
  animation: view-in 0.22s ease-out;
}

@keyframes view-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ------------------------------- app bar ------------------------------ */

.appbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: calc(var(--appbar-h) + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) var(--pad) 0;
  background: rgba(246, 243, 237, 0.92);
  backdrop-filter: blur(14px) saturate(1.05);
  -webkit-backdrop-filter: blur(14px) saturate(1.05);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.brand-mark {
  width: 18px;
  height: 18px;
  color: var(--ink);
}

.brand-word {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  font-weight: 500;
}

.appbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.seat-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--pine-tint);
  color: var(--pine);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.seat-pill i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--pine);
  animation: pulse 2.8s ease-out infinite;
}

.seat-pill b {
  font-weight: 600;
}

.avatar-btn {
  min-width: 38px;
  height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.avatar-btn.is-user {
  min-width: 32px;
  width: 32px;
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
}

/* -------------------------------- type -------------------------------- */

.display {
  font-size: clamp(2.1rem, 9.6vw, 2.55rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 600;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.25;
  letter-spacing: -0.025em;
  font-weight: 600;
}

.page-head {
  padding: 22px 0 18px;
}

.page-head h1 {
  margin-top: 12px;
  font-size: 1.75rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 600;
}

.page-sub {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-mute);
  max-width: 30em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.sec-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 17px;
  padding: 0 4px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  font-size: 9px;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
}

.lede {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.hero-note {
  margin-top: 14px;
  font-size: 11px;
  color: var(--ink-mute);
}

.sec-head {
  margin-bottom: 16px;
}

.sec-head h2 {
  margin-top: 10px;
}

.sec-desc {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-mute);
}

.mono-label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.mono-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.02em;
  color: var(--ink-mute);
}

.fine {
  font-size: 11px;
  line-height: 1.65;
  color: var(--ink-mute);
}

.pulse {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--pine);
  box-shadow: 0 0 0 3px rgba(20, 69, 58, 0.12);
  animation: pulse 2.8s ease-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%,
  70%,
  100% {
    box-shadow: 0 0 0 3px rgba(20, 69, 58, 0.12);
  }
  35% {
    box-shadow: 0 0 0 6px rgba(20, 69, 58, 0.04);
  }
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pine);
  white-space: nowrap;
}

.live i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--pine);
  animation: pulse 2.8s ease-out infinite;
}

/* ------------------------------- buttons ------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: background-color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.btn:active {
  transform: scale(0.99);
}

.btn[disabled],
.btn.is-busy {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-block {
  width: 100%;
}

.btn-lg {
  height: 56px;
  flex-direction: column;
  gap: 1px;
  line-height: 1.25;
}

.btn-lg span {
  font-size: 15px;
}

.btn-lg small {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  opacity: 0.72;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--pine);
  color: #f7f4ec;
}

.btn-primary:active {
  background: var(--pine-soft);
}

.btn-outline {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--ink);
}

.btn-sm {
  height: 38px;
  padding: 0 14px;
  font-size: 12.5px;
}

.btn .spinner {
  width: 13px;
  height: 13px;
  border-color: rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
}

.btn-outline .spinner {
  border-color: rgba(21, 20, 15, 0.18);
  border-top-color: var(--pine);
}

.btn-quiet {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  margin: 0 auto;
  font-size: 12.5px;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.btn-quiet svg {
  width: 14px;
  height: 14px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}

.text-link svg {
  width: 14px;
  height: 14px;
}

.link-btn {
  font-size: 12.5px;
  color: var(--ink-mute);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-strong);
}

.link-inline {
  font-size: inherit;
  color: var(--pine);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(20, 69, 58, 0.35);
}

.mini-btn {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  font-size: 11.5px;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--line-strong);
  padding: 5px 1px;
  white-space: nowrap;
}

.mini-btn:active {
  color: var(--ink);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(237, 232, 221, 0.55);
  padding: 4px 6px;
  border: 1px solid rgba(237, 232, 221, 0.22);
  border-radius: 4px;
}

.copy-btn svg {
  width: 11px;
  height: 11px;
}

/* -------------------------------- hero -------------------------------- */

.hero {
  padding: 22px 0 20px;
}

.hero .eyebrow {
  margin-bottom: 14px;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  margin-top: 20px;
  text-align: center;
}

/* ------------------------------ seats card ---------------------------- */

.card {
  background: var(--paper-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.card + .card {
  margin-top: 12px;
}

.seats-card {
  margin-top: 4px;
}

.seats-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.seats-figure {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin-top: 6px;
}

.seats-figure b {
  font-family: var(--mono);
  font-size: 1.9rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.seats-figure span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
}

.meter {
  position: relative;
  height: 3px;
  margin: 14px 0 9px;
  background: var(--paper-sunk);
  border-radius: 2px;
  overflow: hidden;
}

.meter span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--pine);
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.seats-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 11px;
  color: var(--ink-mute);
}

.seats-meta b {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--ink);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.stat-row > div {
  padding-right: 10px;
}

.stat-row > div + div {
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.stat-row dt {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  white-space: nowrap;
}

.stat-row dd {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-top: 3px;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.stat-row dd small {
  font-size: 8.5px;
  font-weight: 400;
  color: var(--ink-mute);
}

/* ------------------------------- sections ----------------------------- */

.section {
  padding: 32px 0 4px;
}

.section .btn-block {
  margin-top: 16px;
}

/* ------------------------------ model cards --------------------------- */

.model-scroller {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  margin-inline: calc(var(--pad) * -1);
  padding: 2px var(--pad) 6px;
  scrollbar-width: none;
}

.model-scroller::-webkit-scrollbar {
  display: none;
}

.model-mini {
  flex: 0 0 218px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px;
  background: var(--paper-raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: left;
}

.model-mini:active {
  border-color: var(--line-strong);
}

.model-mini-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.model-mini-name {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.model-mini-tag {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.model-mini p {
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-mute);
}

.model-mini-spec {
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}

/* ------------------------------- chip bar ----------------------------- */

.chip-scroll {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  scrollbar-width: none;
  margin-inline: calc(var(--pad) * -1);
  padding: 2px var(--pad) 4px;
  scroll-snap-type: x proximity;
}

.chip-scroll::-webkit-scrollbar {
  display: none;
}

.seg-chip {
  flex: 0 0 auto;
  height: 34px;
  padding: 0 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-mute);
  font-size: 12.5px;
  white-space: nowrap;
  scroll-snap-align: start;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.seg-chip.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.seg-chip small {
  display: block;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

.seg-chip.is-active small {
  color: rgba(246, 243, 237, 0.55);
}

/* --------------------------------- demo -------------------------------- */

.demo-card {
  margin-top: 10px;
  padding: 14px;
}

.demo-prompt {
  padding: 10px 12px;
  background: var(--paper-sunk);
  border-left: 2px solid var(--pine);
  border-radius: 0 4px 4px 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--ink-soft);
}

.demo-output {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-height: 330px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.demo-output .placeholder {
  color: var(--ink-mute);
  font-size: 12px;
}

.demo-output p {
  font-size: 12.5px;
}

.out-code {
  margin: 0;
  padding: 10px;
  background: #efebe2;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.7;
  color: var(--ink-soft);
  tab-size: 2;
}

.out-code-lang {
  display: block;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 4px;
}

.out-list {
  counter-reset: item;
  border-top: 1px solid var(--line);
}

.out-list li {
  display: flex;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.out-list li::before {
  content: counter(item);
  counter-increment: item;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--ink-mute);
  padding-top: 2px;
  min-width: 14px;
}

.trace-row {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 8px;
  padding: 6px 0;
  font-family: var(--mono);
  font-size: 10px;
  border-bottom: 1px dashed var(--line);
  color: var(--ink-soft);
}

.trace-kind {
  font-size: 8.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-top: 1px;
}

.trace-kind[data-kind="call"] {
  color: var(--pine);
}

.trace-kind[data-kind="ok"] {
  color: var(--gold);
}

.trace-detail {
  display: block;
  color: var(--ink-mute);
  font-size: 9.5px;
  margin-top: 1px;
  word-break: break-word;
}

.demo-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

/* ------------------------------- benefits ------------------------------ */

.benefit-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.benefit-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.benefit-list svg {
  width: 17px;
  height: 17px;
  color: var(--pine);
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-list b {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
}

.benefit-list p {
  margin-top: 2px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--ink-mute);
}

/* -------------------------------- models ------------------------------- */

#modelBody {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.model-detail {
  background: var(--ink);
  border-color: transparent;
  color: #e9e4d8;
  padding: 18px 16px;
}

.model-detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.model-detail .mono-label {
  color: rgba(233, 228, 216, 0.45);
}

.model-detail .mono-meta {
  color: rgba(233, 228, 216, 0.45);
}

.model-name {
  margin-top: 10px;
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: #f6f2e9;
}

.model-tagline {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(233, 228, 216, 0.7);
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
  margin-top: 14px;
}

.spec-grid > div {
  padding: 9px 0;
  border-top: 1px solid rgba(233, 228, 216, 0.14);
}

.spec-grid dt {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(233, 228, 216, 0.4);
}

.spec-grid dd {
  margin-top: 3px;
  font-size: 12.5px;
  color: #efeade;
}

.model-capabilities {
  margin-top: 12px;
  border-top: 1px solid rgba(233, 228, 216, 0.14);
}

.model-capabilities li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(233, 228, 216, 0.14);
  font-size: 12px;
  color: rgba(233, 228, 216, 0.86);
}

.model-capabilities li span {
  font-family: var(--mono);
  font-size: 9.5px;
  color: rgba(233, 228, 216, 0.45);
  text-align: right;
}

.code-details {
  margin-top: 14px;
  border: 1px solid rgba(233, 228, 216, 0.16);
  border-radius: 6px;
  background: #191813;
  overflow: hidden;
}

.code-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: rgba(233, 228, 216, 0.6);
  cursor: pointer;
  list-style: none;
}

.code-details summary::-webkit-details-marker {
  display: none;
}

.code-details summary::before {
  content: "＋";
  font-size: 11px;
  color: rgba(233, 228, 216, 0.45);
  margin-right: 2px;
}

.code-details[open] summary::before {
  content: "－";
}

.code-details summary .summary-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: auto;
}

.code-body {
  margin: 0;
  padding: 12px;
  border-top: 1px solid rgba(233, 228, 216, 0.12);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1.7;
  color: #d9d2c2;
  tab-size: 2;
}

.code-note {
  padding: 8px 12px;
  border-top: 1px solid rgba(233, 228, 216, 0.12);
  font-size: 10px;
  line-height: 1.6;
  color: rgba(233, 228, 216, 0.42);
}

.model-notes {
  border-top: 1px solid var(--line);
  margin-top: 2px;
}

.model-notes > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 2px;
  border-bottom: 1px solid var(--line);
}

.model-notes dt {
  font-size: 11.5px;
  color: var(--ink-mute);
}

.model-notes dd {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-soft);
}

/* --------------------------------- bench ------------------------------- */

.bench {
  margin-top: 12px;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.card-head h3 {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.bench-legend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 8.5px;
  color: var(--ink-mute);
  white-space: nowrap;
}

.key {
  display: inline-block;
  width: 10px;
  height: 2px;
  margin-right: 3px;
  vertical-align: middle;
}

.key-pro {
  background: var(--pine);
}

.key-flash {
  background: #7fa189;
}

.bench-row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) 36px;
  gap: 10px;
  align-items: center;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

.bench-row:first-child {
  border-top: 0;
}

.bench-label {
  font-size: 11px;
  color: var(--ink-soft);
}

.bench-track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3px;
  justify-content: center;
  height: 14px;
  background: rgba(21, 20, 15, 0.035);
  border-radius: 2px;
}

.bench-base {
  position: absolute;
  top: -2px;
  bottom: -2px;
  border-left: 1px dashed var(--line-strong);
}

.bar {
  height: 3px;
  border-radius: 1px;
  background: var(--pine);
  width: 0;
  transition: width 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.bar-flash {
  height: 2px;
  background: #7fa189;
}

.bench-score {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.bench-score b {
  font-size: 10px;
  font-weight: 500;
  color: var(--ink-soft);
}

.bench-score small {
  font-size: 8.5px;
  color: var(--ink-mute);
}

.bench-note {
  margin-top: 10px;
  font-size: 10px;
  line-height: 1.65;
  color: var(--ink-mute);
}

/* -------------------------------- reserve ------------------------------ */

#reservePanel {
  margin-top: 12px;
}

.plan-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.plan {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  text-align: left;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.plan.is-active {
  border-color: var(--pine);
  background: var(--pine-tint);
}

.plan-radio {
  width: 16px;
  height: 16px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  background: var(--paper-raise);
}

.plan.is-active .plan-radio {
  border-color: var(--pine);
}

.plan.is-active .plan-radio::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--pine);
}

.plan-copy {
  min-width: 0;
  flex: 1;
}

.plan-copy b {
  display: block;
  font-size: 13px;
  font-weight: 600;
}

.plan-copy span {
  display: block;
  margin-top: 1px;
  font-size: 10.5px;
  color: var(--ink-mute);
}

.plan-price {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-mute);
  white-space: nowrap;
}

#reservePanel .btn-block {
  margin-top: 12px;
}

#reservePanel .fine {
  margin-top: 8px;
}

.queue-no {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 4px;
}

.queue-no b {
  font-family: var(--mono);
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.queue-no span {
  font-size: 11px;
  color: var(--ink-mute);
}

.rows {
  margin-top: 8px;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

.row dt {
  font-size: 11.5px;
  color: var(--ink-mute);
}

.row dd {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: center;
  gap: 7px;
  text-align: right;
  min-width: 0;
}

.row dd .mono {
  font-family: var(--mono);
  font-size: 11px;
  word-break: break-all;
}

.queue-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.danger {
  color: var(--danger);
  border-color: rgba(155, 58, 42, 0.35);
}

/* -------------------------------- timeline ----------------------------- */

.timeline {
  margin-top: 24px;
  padding-left: 2px;
}

.step {
  position: relative;
  display: flex;
  gap: 12px;
  padding-bottom: 18px;
}

.step:last-child {
  padding-bottom: 0;
}

.step::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 14px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.step:last-child::before {
  display: none;
}

.step-dot {
  position: relative;
  flex-shrink: 0;
  width: 13px;
  height: 13px;
  margin-top: 3px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--paper);
}

.step.is-done .step-dot {
  border-color: var(--pine);
  background: var(--pine);
}

.step.is-wait .step-dot {
  border-color: var(--clay);
}

.step-body {
  flex: 1;
  min-width: 0;
}

.step-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.step-top b {
  font-size: 13.5px;
  font-weight: 600;
}

.step-body p {
  margin-top: 3px;
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--ink-mute);
}

.chip {
  display: inline-flex;
  align-items: center;
  height: 21px;
  padding: 0 8px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 10px;
  color: var(--ink-mute);
  white-space: nowrap;
}

.chip.is-done {
  color: var(--pine);
  border-color: rgba(20, 69, 58, 0.32);
  background: var(--pine-tint);
}

.chip.is-wait {
  color: var(--clay);
  border-color: rgba(168, 87, 48, 0.3);
  background: var(--clay-tint);
}

.chip.is-lock {
  color: var(--ink-mute);
  border-color: var(--line);
  background: transparent;
}

/* ---------------------------------- faq -------------------------------- */

.faq-sec {
  padding-bottom: 8px;
}

.faq-item {
  border-top: 1px solid var(--line-strong);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--line-strong);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  font-size: 13px;
  color: var(--ink-soft);
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-plus {
  position: relative;
  width: 11px;
  height: 11px;
  flex-shrink: 0;
}

.faq-plus::before,
.faq-plus::after {
  content: "";
  position: absolute;
  background: var(--ink-mute);
  transition: transform 0.18s ease;
}

.faq-plus::before {
  left: 0;
  right: 0;
  top: 5px;
  height: 1px;
}

.faq-plus::after {
  top: 0;
  bottom: 0;
  left: 5px;
  width: 1px;
}

.faq-item[open] .faq-plus::after {
  transform: scaleY(0);
}

.faq-body {
  padding-bottom: 14px;
}

.faq-body p {
  font-size: 12px;
  line-height: 1.75;
  color: var(--ink-mute);
}

/* -------------------------------- console ------------------------------ */

.console-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
}

.console-head h1 {
  margin-top: 8px;
}

.console-head .mini-btn {
  margin-bottom: 4px;
}

.console-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.console-grid .card {
  margin-top: 0;
}

.account-email {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  word-break: break-all;
  margin-top: 2px;
}

.console-grid .rows {
  margin-top: 10px;
}

.kyc-form {
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin-top: 4px;
}

.kyc-form .field > span {
  font-size: 11.5px;
}

.qr-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.qr-frame {
  width: min(260px, 100%);
  aspect-ratio: 1;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  align-self: center;
}

.qr-frame img {
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

.qr-copy {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.qr-copy h4 {
  font-size: 13px;
  font-weight: 600;
}

.qr-copy p {
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--ink-mute);
  word-break: break-word;
}

.qr-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.qr-actions .mini-btn,
.queue-actions .mini-btn {
  min-height: 40px;
  padding: 8px 1px;
}

.key-state {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 13px;
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  margin-top: 2px;
}

.key-state svg {
  width: 16px;
  height: 16px;
  color: var(--ink-mute);
  flex-shrink: 0;
  margin-top: 2px;
}

.key-state h4 {
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 3px;
}

.key-state p {
  font-size: 11px;
  line-height: 1.65;
  color: var(--ink-mute);
}

.queue-figure {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 2px;
}

.queue-figure b {
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.queue-figure span {
  font-size: 10.5px;
  color: var(--ink-mute);
}

.console-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 32px 0;
  color: var(--ink-mute);
  font-size: 12.5px;
}

.spinner {
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--line-strong);
  border-top-color: var(--pine);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

.guest-card {
  padding: 20px 16px;
}

.guest-card h2 {
  margin-top: 12px;
  font-size: 1.25rem;
}

.guest-card p {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-mute);
}

.guest-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

.guest-note {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 10.5px;
  line-height: 1.6;
  color: var(--ink-mute);
}

/* --------------------------------- footer ------------------------------ */

.app-foot {
  margin-top: 30px;
  padding: 20px var(--pad) calc(var(--tabbar-h) + 26px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
}

.foot-brand .brand-mark {
  width: 16px;
  height: 16px;
}

.foot-brand .brand-word {
  font-size: 9.5px;
}

.foot-copy {
  margin-top: 8px;
  font-size: 10px;
  line-height: 1.6;
  color: var(--ink-mute);
}

.foot-links {
  display: flex;
  gap: 16px;
  margin-top: 12px;
}

.foot-links button,
.foot-links a {
  font-size: 11px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}

/* --------------------------------- tabbar ------------------------------ */

.tabbar {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 40;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(100%, var(--app-w));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(246, 243, 237, 0.985);
  backdrop-filter: blur(16px) saturate(1.1);
  -webkit-backdrop-filter: blur(16px) saturate(1.1);
  border-top: 1px solid var(--line);
  box-shadow: 0 -12px 26px -26px rgba(21, 20, 15, 0.5);
}

.tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: var(--tabbar-h);
  color: var(--ink-mute);
  font-size: 10px;
  letter-spacing: 0.01em;
  position: relative;
}

.tab svg {
  width: 21px;
  height: 21px;
}

.tab.is-active {
  color: var(--pine);
  font-weight: 500;
}

.tab.is-active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 2px;
  background: var(--pine);
  border-radius: 0 0 2px 2px;
}

/* --------------------------------- sheets ------------------------------ */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(18, 17, 13, 0.52);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.sheet {
  position: relative;
  width: min(100%, var(--app-w));
  max-height: 92dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--paper);
  border-radius: 18px 18px 0 0;
  padding: 22px var(--pad) calc(20px + env(safe-area-inset-bottom));
  animation: sheet-in 0.24s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes sheet-in {
  from {
    transform: translateY(24px);
    opacity: 0;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

.sheet-grab {
  display: block;
  width: 34px;
  height: 4px;
  margin: -8px auto 12px;
  border-radius: 999px;
  background: var(--line-strong);
}

.sheet-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--ink-mute);
}

.sheet-close:active {
  background: var(--paper-sunk);
}

.sheet-close svg {
  width: 17px;
  height: 17px;
}

.sheet-head h3 {
  margin: 6px 0 5px;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.sheet-sub {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink-mute);
  max-width: 32em;
}

.seg {
  display: flex;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  margin: 16px 0 16px;
}

.seg-btn {
  padding-bottom: 10px;
  font-size: 13.5px;
  color: var(--ink-mute);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.seg-btn.is-active {
  color: var(--ink);
  border-bottom-color: var(--pine);
  font-weight: 500;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field > span {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-soft);
}

.field em {
  font-style: normal;
  font-size: 10.5px;
  color: var(--ink-mute);
}

.input {
  width: 100%;
  height: 48px;
  padding: 0 12px;
  background: var(--paper-raise);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  font-size: 16px; /* keeps iOS Safari from zooming on focus */
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.input::placeholder {
  color: var(--ink-faint);
}

.input:focus {
  outline: none;
  border-color: var(--pine);
  background: #fffefa;
  box-shadow: 0 0 0 3px rgba(20, 69, 58, 0.1);
}

select.input {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 34px;
}

.input-row {
  display: flex;
  gap: 8px;
}

.input-row .input {
  flex: 1;
  min-width: 0;
}

.code-btn {
  height: 48px;
  padding: 0 12px;
  font-size: 12px;
  flex-shrink: 0;
  white-space: nowrap;
}

.field-error {
  min-height: 15px;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--danger);
}

.field-error:empty {
  display: none;
}

.check {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-mute);
}

.check input {
  width: 16px;
  height: 16px;
  margin: 1px 0 0;
  accent-color: var(--pine);
  flex-shrink: 0;
}

.form-link {
  align-self: flex-start;
  margin-top: 2px;
}

.form.is-busy {
  opacity: 0.75;
  pointer-events: none;
}

.sheet-foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 10.5px;
  line-height: 1.6;
  color: var(--ink-mute);
}

.legal-body {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.legal-body h4 {
  margin: 16px 0 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.legal-body p + p {
  margin-top: 8px;
}

/* --------------------------------- toast ------------------------------- */

.toast-root {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--tabbar-h) + 18px + env(safe-area-inset-bottom));
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  pointer-events: none;
  width: max-content;
  max-width: min(92vw, 420px);
}

.toast {
  background: var(--ink);
  color: #f6f2e9;
  font-size: 12px;
  line-height: 1.5;
  padding: 9px 14px;
  border-radius: 6px;
  box-shadow: 0 12px 30px -18px rgba(0, 0, 0, 0.55);
  animation: toast-in 0.2s ease-out;
  text-align: center;
}

.toast[data-tone="error"] {
  background: var(--danger);
}

.toast[data-tone="ok"] {
  background: var(--pine);
}

.toast.is-out {
  opacity: 0;
  transition: opacity 0.2s ease;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ------------------------------ select wrap ---------------------------- */

.select-wrap {
  position: relative;
}

.select-wrap svg {
  position: absolute;
  right: 11px;
  top: 50%;
  width: 15px;
  height: 15px;
  transform: translateY(-50%);
  color: var(--ink-mute);
  pointer-events: none;
}

/* ---------------------------- small screens ---------------------------- */

@media (max-width: 359px) {
  :root {
    --pad: 15px;
  }

  .display {
    font-size: 1.95rem;
  }

  .brand-word {
    font-size: 9.5px;
    letter-spacing: 0.18em;
  }

  .seat-pill {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}