/* ==========================================================================
   발권창구 — exported from DESIGN.md tokens
   Edit DESIGN.md, regenerate tokens here.
   ========================================================================== */

:root {
  /* surface ladder */
  --c-surface: #0E1014;
  --c-surface-dim: #0B0D11;
  --c-surface-bright: #1A1D24;
  --c-sc-lowest: #08090C;
  --c-sc-low: #13161B;
  --c-sc: #161A20;
  --c-sc-high: #1B1F26;
  --c-sc-highest: #21252D;

  --c-on-surface: #ECE7DD;
  --c-on-surface-variant: #9C9588;
  --c-outline: #3E4148;
  --c-outline-variant: #272A30;

  --c-primary: #ECE7DD;
  --c-on-primary: #0E1014;
  --c-primary-dim: #C8C3B9;

  --c-secondary: #5BA8E5;
  --c-secondary-container: #003A66;
  --c-on-secondary-container: #CDE3F7;

  --c-tertiary: #E26B7A;
  --c-tertiary-container: #73121E;
  --c-on-tertiary-container: #FFD9DD;

  --c-error: #E26B7A;
  --c-ember: #B8422E;

  /* type */
  --f-display: 'Bricolage Grotesque', 'Pretendard Variable', system-ui, sans-serif;
  --f-body: 'Pretendard Variable', system-ui, -apple-system, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;

  /* radius */
  --r-sm: 4px;
  --r: 8px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;

  /* space */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;
  --s-16: 64px;
  --s-20: 80px;
}

/* ---------- reset ---------- */

*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--c-surface);
  color: var(--c-on-surface);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 24px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  min-height: 100dvh;
  padding: max(env(safe-area-inset-top), 0px)
           max(env(safe-area-inset-right), 0px)
           max(env(safe-area-inset-bottom), 0px)
           max(env(safe-area-inset-left), 0px);
  /* almost-imperceptible grain via SVG noise data-uri kept in stylesheet */
  background-image:
    radial-gradient(ellipse at top, rgba(91, 168, 229, 0.04), transparent 55%),
    radial-gradient(ellipse 80% 50% at bottom, rgba(226, 107, 122, 0.025), transparent 60%);
  background-attachment: fixed;
}
button, input, select { font: inherit; color: inherit; }
button { border: 0; background: transparent; cursor: pointer; padding: 0; }
a { color: inherit; }
hr { border: 0; margin: 0; }

::selection { background: var(--c-on-surface); color: var(--c-on-primary); }

/* ---------- utilities ---------- */

.mono { font-family: var(--f-mono); font-feature-settings: 'tnum' 1, 'zero' 1; letter-spacing: 0; }

/* ---------- header ---------- */

.header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-4);
  padding: 28px var(--s-5) var(--s-5);
}
.header__name {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 28px;
  line-height: 32px;
  letter-spacing: -0.02em;
}
.header__sub {
  display: block;
  margin-top: 2px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-on-surface-variant);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.header__status {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: 7px 14px 7px 12px;
  border: 1px solid var(--c-outline-variant);
  border-radius: 9999px;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease, opacity 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}
.header__status:hover { background: var(--c-sc-low); border-color: var(--c-outline); }
.header__status:active { transform: scale(0.97); }
.header__status:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 3px; }
.header__status:disabled { cursor: default; }
.header__status[data-state="running"] {
  border-color: var(--c-ember);
  background: rgba(184, 66, 46, 0.06);
}
.header__last-run {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-on-surface-variant);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.pulse {
  width: 6px; height: 6px;
  border-radius: 9999px;
  background: var(--c-outline-variant);
  display: inline-block;
}
.pulse[data-state="active"] {
  background: var(--c-ember);
  animation: pulse 1.6s ease-in-out infinite alternate;
}
@keyframes pulse {
  from { opacity: 0.4; transform: scale(1); }
  to   { opacity: 1;   transform: scale(1.2); }
}

/* ---------- rule ---------- */

.rule { height: 0; border-top: 1px solid var(--c-outline-variant); }
.rule--dotted { border-top-style: dashed; }

/* ---------- poll bar ---------- */

.poll-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px var(--s-5) 0;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-on-surface-variant);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  max-width: 720px;
  margin: 0 auto;
  white-space: nowrap;
  overflow-x: auto;
}
.poll-bar__sep { opacity: 0.5; }
.poll-bar__countdown { color: var(--c-on-surface); font-feature-settings: 'tnum' 1; }

/* ---------- page / list ---------- */

.page {
  padding: var(--s-5) var(--s-5) calc(120px + env(safe-area-inset-bottom));
  max-width: 720px;
  margin: 0 auto;
}
.watches {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  margin-top: var(--s-5);
}

/* ---------- panels (settings, runs) ---------- */

.panel {
  background: var(--c-sc-low);
  border: 1px solid var(--c-outline-variant);
  border-radius: var(--r-lg);
  padding: var(--s-3) var(--s-5) var(--s-4);
  margin-top: var(--s-6);
}
.panel__title {
  font-family: var(--f-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-on-surface-variant);
  margin: var(--s-2) 0 var(--s-3);
}

/* ---------- settings ---------- */

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-2) 0;
}
.setting-row__main { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.setting-row__title { font-size: 14px; font-weight: 600; color: var(--c-on-surface); }
.setting-row__hint {
  font-size: 12px;
  color: var(--c-on-surface-variant);
  line-height: 17px;
  font-weight: 400;
}

/* ---------- runs ---------- */

.run-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}
.run-row {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-outline-variant);
}
.run-row:last-child { border-bottom: 0; }
.run-row__status {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: var(--c-outline);
  flex-shrink: 0;
}
.run-row__status[data-conclusion="success"]   { background: #7AA88E; }
.run-row__status[data-conclusion="failure"]   { background: var(--c-error); }
.run-row__status[data-conclusion="cancelled"] { background: var(--c-on-surface-variant); }
.run-row__status[data-conclusion="in_progress"], .run-row__status[data-conclusion=""] {
  background: var(--c-ember);
  animation: pulse 1.6s ease-in-out infinite alternate;
}
.run-row__body { flex: 1; min-width: 0; }
.run-row__time {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-on-surface);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.run-row__meta {
  font-size: 11px;
  color: var(--c-on-surface-variant);
  margin: 2px 0 0;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.run-row__link {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 9999px;
  color: var(--c-on-surface-variant);
  text-decoration: none;
  font-size: 16px;
  flex-shrink: 0;
}
.run-row__link:hover { background: var(--c-sc); color: var(--c-on-surface); }
.run-list--empty {
  font-size: 12px;
  color: var(--c-on-surface-variant);
  font-family: var(--f-mono);
  padding: 8px 0;
}
.run-row { cursor: pointer; }
.run-row:hover { background: var(--c-sc); border-radius: var(--r-sm); }
.run-row__link { cursor: pointer; }

/* ---------- log sheet ---------- */

.sheet__form--logs {
  background: var(--c-sc-high);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  padding: var(--s-5) var(--s-5) calc(var(--s-5) + env(safe-area-inset-bottom));
  width: 100%;
  max-width: 720px;
  max-height: 92dvh;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  overflow: hidden;
  animation: sheet-in 0.22s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.log-meta {
  margin: 0;
  font-size: 11px;
  color: var(--c-on-surface-variant);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.log-content {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11px;
  line-height: 17px;
  color: var(--c-on-surface);
  background: var(--c-sc-lowest);
  border: 1px solid var(--c-outline-variant);
  border-radius: var(--r-md);
  padding: var(--s-3);
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  white-space: pre;
  -webkit-overflow-scrolling: touch;
}

/* ---------- watch card ---------- */

.watch {
  position: relative;
  background: var(--c-sc);
  border: 1px solid var(--c-outline-variant);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  overflow: hidden;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.watch__stripe {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c-outline);
}
.watch[data-provider="korail"] .watch__stripe { background: var(--c-secondary); }
.watch[data-provider="srt"] .watch__stripe    { background: var(--c-tertiary); }

.watch[data-active="false"] {
  background: var(--c-sc-low);
  opacity: 0.55;
}
.watch[data-active="false"] .watch__date,
.watch[data-active="false"] .watch__route { color: var(--c-on-surface-variant); }

.watch__head {
  display: flex; align-items: center; gap: var(--s-2);
  margin-top: var(--s-2);
}
.watch__route {
  margin: 0;
  font-family: var(--f-body);
  font-size: 20px;
  line-height: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: flex; align-items: baseline; gap: 10px;
}
.watch__arrow {
  font-weight: 400;
  color: var(--c-on-surface-variant);
}
.watch__date {
  margin: var(--s-2) 0 var(--s-4);
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 40px;
  line-height: 44px;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.watch__meta {
  margin: 0;
  display: grid;
  gap: var(--s-3);
}
.watch__meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-3);
  margin: 0;
}
.watch__meta-label {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--c-on-surface-variant);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.watch__meta-value {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 14px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.watch__meta-types {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: 0;
}
.watch__foot {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-3);
  padding-top: var(--s-3);
  min-width: 0;
}
.watch__last-check {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-on-surface-variant);
  letter-spacing: 0.02em;
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.watch__controls { display: flex; align-items: center; gap: var(--s-3); flex-shrink: 0; }

/* ---------- badge ---------- */

.badge {
  font-family: var(--f-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--r-sm);
  background: var(--c-sc-high);
  color: var(--c-on-surface-variant);
  white-space: nowrap;
}
.watch[data-provider="korail"] .badge--provider {
  background: var(--c-secondary-container);
  color: var(--c-on-secondary-container);
}
.watch[data-provider="srt"] .badge--provider {
  background: var(--c-tertiary-container);
  color: var(--c-on-tertiary-container);
}

/* ---------- button ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px;
  padding: 0 24px;
  border-radius: 9999px;
  font-family: var(--f-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: transform 0.1s ease, background 0.15s ease, color 0.15s ease;
  user-select: none;
}
.btn:active { transform: scale(0.97); }
.btn--primary { background: var(--c-primary); color: var(--c-on-primary); }
.btn--primary:hover { background: var(--c-primary-dim); }
.btn--ghost { border: 1px solid var(--c-outline-variant); color: var(--c-on-surface); background: transparent; }
.btn--ghost:hover { background: var(--c-sc-low); }
.btn--danger-ghost {
  height: 36px;
  padding: 0 14px;
  font-size: 12px;
  border: 1px solid var(--c-outline-variant);
  color: var(--c-on-surface-variant);
  background: transparent;
  letter-spacing: 0.04em;
}
.btn--danger-ghost:hover { color: var(--c-error); border-color: var(--c-error); background: rgba(226, 107, 122, 0.06); }

.btn-mini {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 12px;
  border-radius: 9999px;
  border: 1px solid var(--c-outline-variant);
  background: transparent;
  color: var(--c-on-surface-variant);
  font-family: var(--f-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.btn-mini:hover { color: var(--c-on-surface); border-color: var(--c-outline); background: var(--c-sc-low); }
.btn-mini:active { transform: scale(0.97); }
.btn-mini--danger:hover {
  color: var(--c-error);
  border-color: var(--c-error);
  background: rgba(226, 107, 122, 0.06);
}

/* ---------- toggle ---------- */

.toggle { display: inline-flex; align-items: center; cursor: pointer; }
.toggle__input { position: absolute; opacity: 0; pointer-events: none; }
.toggle__track {
  position: relative;
  width: 40px; height: 22px;
  background: var(--c-sc-highest);
  border-radius: 9999px;
  transition: background 0.2s ease;
}
.toggle__thumb {
  position: absolute; top: 2px; left: 2px;
  width: 18px; height: 18px;
  background: var(--c-surface);
  border-radius: 9999px;
  transition: transform 0.2s ease, background 0.2s ease;
}
.toggle__input:checked + .toggle__track { background: var(--c-primary); }
.toggle__input:checked + .toggle__track .toggle__thumb { transform: translateX(18px); background: var(--c-on-primary); }
.toggle__input:focus-visible + .toggle__track { outline: 2px solid var(--c-primary); outline-offset: 2px; }

/* ---------- FAB ---------- */

.fab {
  position: fixed;
  right: var(--s-6);
  bottom: calc(var(--s-6) + env(safe-area-inset-bottom));
  display: inline-flex; align-items: center; gap: 6px;
  height: 56px;
  padding: 0 24px 0 22px;
  border-radius: 9999px;
  background: var(--c-primary);
  color: var(--c-on-primary);
  font-family: var(--f-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
  transition: transform 0.15s ease;
  z-index: 50;
}
.fab:hover { transform: translateY(-1px); }
.fab:active { transform: translateY(0) scale(0.98); }
.fab__plus {
  font-family: var(--f-mono);
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
}

/* ---------- empty ---------- */

.empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--s-6);
  padding: var(--s-12) 0;
  min-height: 60dvh;
}
.empty__rail {
  display: block;
  width: 100%;
  border-top: 1px dashed var(--c-outline-variant);
}
.empty__text {
  font-size: 16px;
  color: var(--c-on-surface-variant);
  margin: 0;
  text-align: center;
}

/* ---------- setup screen ---------- */

.setup {
  min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: var(--s-6);
}
.setup__card {
  background: var(--c-sc);
  border: 1px solid var(--c-outline-variant);
  border-radius: var(--r-lg);
  padding: var(--s-8) var(--s-6);
  max-width: 460px;
  width: 100%;
}
.setup__eyebrow {
  margin: 0 0 var(--s-2);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-on-surface-variant);
}
.setup__title {
  margin: 0 0 var(--s-3);
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 36px;
  line-height: 40px;
  letter-spacing: -0.02em;
}
.setup__lede {
  margin: 0 0 var(--s-5);
  color: var(--c-on-surface-variant);
  font-size: 14px;
  line-height: 22px;
}
.setup__lede code {
  font-family: var(--f-mono);
  font-size: 13px;
  background: var(--c-sc-low);
  padding: 1px 6px;
  border-radius: var(--r-sm);
}
.setup__steps {
  margin: 0 0 var(--s-6);
  padding-left: var(--s-5);
  font-size: 13px;
  line-height: 20px;
  color: var(--c-on-surface-variant);
  display: flex; flex-direction: column; gap: 6px;
}
.setup__steps strong { color: var(--c-on-surface); }
.setup__steps code { font-family: var(--f-mono); font-size: 12px; }
.setup__steps a { color: var(--c-on-surface); text-decoration: underline; text-underline-offset: 3px; }
.setup__form { display: flex; flex-direction: column; gap: var(--s-3); }
.setup__error, .sheet__error {
  margin: 0;
  font-size: 12px;
  color: var(--c-error);
  font-family: var(--f-mono);
}

/* ---------- field / form ---------- */

.field { display: flex; flex-direction: column; gap: 6px; }
.field__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-on-surface-variant);
  text-transform: uppercase;
}
.field__hint {
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--c-on-surface-variant);
}
.field__input {
  width: 100%;
  min-width: 0;
  height: 48px;
  padding: 0 16px;
  background: var(--c-sc-low);
  color: var(--c-on-surface);
  border: 1px solid var(--c-outline-variant);
  border-radius: var(--r-md);
  font-size: 16px;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.field__input::placeholder { color: var(--c-on-surface-variant); opacity: 0.6; }
.field__input:focus { border-color: var(--c-primary); background: var(--c-sc); }
.field__input--mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.field__input[type="date"], .field__input[type="time"] { color-scheme: dark; }
.field__input--select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%239C9588' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='1,1.5 6,6.5 11,1.5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 12px 8px;
  padding-right: 40px;
  color-scheme: dark;
  cursor: pointer;
}
.field__input--select option {
  background: var(--c-sc);
  color: var(--c-on-surface);
}
.field__input--select:invalid { color: var(--c-on-surface-variant); }

.check-group {
  border: 1px solid var(--c-outline-variant);
  border-radius: var(--r-md);
  padding: 4px 14px 14px;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: transparent;
}
.check-group legend {
  padding: 0 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-on-surface-variant);
  margin-bottom: 4px;
}
.check-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 9999px;
  background: var(--c-sc-low);
  border: 1px solid var(--c-outline-variant);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-on-surface-variant);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.check-chip input { position: absolute; opacity: 0; pointer-events: none; }
.check-chip:has(input:focus-visible) { outline: 2px solid var(--c-primary); outline-offset: 2px; }
.check-group--korail .check-chip:has(input:checked) {
  background: var(--c-secondary-container);
  color: var(--c-on-secondary-container);
  border-color: transparent;
}
.check-group--srt .check-chip:has(input:checked) {
  background: var(--c-tertiary-container);
  color: var(--c-on-tertiary-container);
  border-color: transparent;
}

.row { display: grid; gap: var(--s-3); }
.row > * { min-width: 0; }
.row--2 { grid-template-columns: 1fr 1fr; }
.row--3 { grid-template-columns: 1fr 1fr 1fr; }

/* segmented */
.seg {
  border: 1px solid var(--c-outline-variant);
  border-radius: var(--r-md);
  padding: 6px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 4px;
  min-width: 0;
}
.seg > * { min-width: 0; }
.seg legend {
  padding: 0 6px;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-on-surface-variant);
  font-weight: 600;
}
.seg__opt {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  padding: 8px 12px;
  border-radius: 9999px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--c-on-surface-variant);
  user-select: none;
  transition: background 0.15s ease, color 0.15s ease;
}
.seg__opt input {
  position: absolute; opacity: 0; pointer-events: none;
}
.seg__opt:has(input:checked) { background: var(--c-primary); color: var(--c-on-primary); }
.seg__opt:has(input[value="korail"]:checked) { background: var(--c-secondary-container); color: var(--c-on-secondary-container); }
.seg__opt:has(input[value="srt"]:checked) { background: var(--c-tertiary-container); color: var(--c-on-tertiary-container); }

/* ---------- sheet (dialog) ---------- */

.sheet {
  border: 0;
  padding: 0;
  background: transparent;
  margin: 0;
  width: 100%;
  max-width: 100%;
  max-height: 100dvh;
}
.sheet[open] {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  inset: 0;
}
.sheet::backdrop { background: rgba(8, 9, 12, 0.65); backdrop-filter: blur(2px); }
.sheet__form {
  background: var(--c-sc-high);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  padding: var(--s-5) var(--s-5) calc(var(--s-5) + env(safe-area-inset-bottom));
  width: 100%;
  max-width: 560px;
  max-height: 92dvh;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex; flex-direction: column; gap: var(--s-4);
  animation: sheet-in 0.22s cubic-bezier(0.2, 0.7, 0.2, 1);
}
@media (max-width: 359px) {
  .sheet__form {
    padding: var(--s-4) var(--s-4) calc(var(--s-4) + env(safe-area-inset-bottom));
    gap: var(--s-3);
  }
  .row { gap: var(--s-2); }
  .seg__opt { padding: 8px 8px; font-size: 12px; }
  .field__input { padding: 0 12px; font-size: 15px; }
  .field__input--select { padding-right: 30px; background-position: right 10px center; }
  .check-chip { padding: 7px 11px; font-size: 12px; }
  .sheet__form .field__label { font-size: 11px; }
}
@keyframes sheet-in {
  from { transform: translateY(20px); opacity: 0.6; }
  to   { transform: none; opacity: 1; }
}
.sheet__header {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  align-items: center;
  margin: -4px -4px var(--s-2);
}
.sheet__title {
  margin: 0;
  text-align: center;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.sheet__filler { height: 36px; }
.icon-btn {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 9999px;
  font-size: 24px;
  color: var(--c-on-surface-variant);
}
.icon-btn:hover { background: var(--c-sc); color: var(--c-on-surface); }
.sheet__actions { display: flex; gap: var(--s-3); justify-content: flex-end; padding-top: var(--s-2); }
.sheet__actions .btn--primary { flex: 1; }

/* ---------- responsive ---------- */

@media (min-width: 720px) {
  .header { padding: 40px var(--s-8) var(--s-6); }
  .header__name { font-size: 36px; line-height: 40px; }
  .page { padding: var(--s-6) var(--s-8) 120px; }
  .sheet[open] { align-items: center; }
  .sheet__form { border-radius: var(--r-xl); max-width: 480px; }
  .fab { right: var(--s-8); bottom: calc(var(--s-8) + env(safe-area-inset-bottom)); }
}

/* ---------- prefers-reduced-motion ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}