/*
 * 다크/라이트 둘 다. 색은 전부 변수로 두고 prefers-color-scheme 로 갈아끼운다.
 * 모바일 폭(한 손 조작)을 기준으로 짜고 넓어지면 두 칸으로 벌린다.
 */

:root {
  color-scheme: light dark;

  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #dfe3e8;
  --text: #1b1f24;
  --muted: #6b7480;
  --accent: #2f6fed;
  --accent-text: #ffffff;
  --danger: #c0392b;
  --busy: #b26a00;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --surface: #1c2027;
    --surface-2: #232831;
    --border: #313846;
    --text: #e7eaee;
    --muted: #9aa4b2;
    --accent: #5b8dff;
    --accent-text: #0d1117;
    --danger: #ff7b6b;
    --busy: #f0b429;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 0 env(safe-area-inset-bottom);
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  -webkit-text-size-adjust: 100%;
}

html[data-loading] main { opacity: .4; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------------------------------------------------------------- 상단바 */

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 8px; min-width: 0; }
.brand h1 { margin: 0; font-size: 16px; font-weight: 600; white-space: nowrap;
            overflow: hidden; text-overflow: ellipsis; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); flex: none; }

.topbar-right { display: flex; align-items: center; gap: 8px; }

/* ---------------------------------------------------------------- 레이아웃 */

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.panel h2 { margin: 0 0 12px; font-size: 14px; font-weight: 600; color: var(--muted);
            text-transform: uppercase; letter-spacing: .04em; }

.panel-head { display: flex; align-items: center; justify-content: space-between; }
.panel-head h2 { margin-bottom: 12px; }

#settings.collapsed .fields,
#settings.collapsed .meta { display: none; }

/* ---------------------------------------------------------------- 폼 */

.fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 560px) {
  .fields { grid-template-columns: 1fr 1fr; }
}

.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field-label { font-size: 12px; color: var(--muted); }
.field-hint { font-size: 11px; color: var(--muted); }

.field-check { flex-direction: row; align-items: center; gap: 8px; }
.field-check .field-label { font-size: 14px; color: var(--text); }

select, input[type="file"] {
  font: inherit;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  width: 100%;
  min-width: 0;
}

select:disabled { opacity: .5; }
select option:disabled { color: var(--muted); }

button { font: inherit; cursor: pointer; }

.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
}
.ghost.small { padding: 4px 8px; font-size: 12px; }
.ghost:hover { background: var(--surface-2); }

#locale-select { width: auto; }

/* ---------------------------------------------------------------- PTT */

.ptt { display: flex; flex-direction: column; align-items: center; gap: 10px; }

.ptt-button {
  width: 100%;
  max-width: 320px;
  min-height: 120px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: 20px;
  font-size: 17px;
  font-weight: 600;
  touch-action: none;             /* 누른 채 스크롤되지 않게 */
  user-select: none;
  -webkit-user-select: none;
  transition: transform .08s ease, filter .15s ease;
}

.ptt-button:disabled { filter: grayscale(.7) opacity(.6); cursor: not-allowed; }
.ptt-button:not(:disabled):hover { filter: brightness(1.05); }

.ptt-button.is-recording {
  background: var(--danger);
  transform: scale(.98);
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(192, 57, 43, .45); }
  50%      { box-shadow: 0 0 0 14px rgba(192, 57, 43, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .ptt-button.is-recording { animation: none; }
}

.ptt-icon {
  width: 26px; height: 26px; border-radius: 50%;
  background: currentColor;
  opacity: .9;
}

.hint { margin: 0; font-size: 12px; color: var(--muted); text-align: center; }

.alt-input { width: 100%; max-width: 320px; }
.file-label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }

.status { margin: 4px 0 0; font-size: 13px; color: var(--muted); min-height: 1.4em; text-align: center; }
.status.error { color: var(--danger); }
.status.busy { color: var(--busy); }

/* ---------------------------------------------------------------- 이력 */

.history { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.empty { color: var(--muted); font-size: 13px; margin: 0; }

.turn {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  padding: 12px;
}

.turn-head {
  display: flex; justify-content: space-between; gap: 8px;
  font-size: 12px; color: var(--muted); margin-bottom: 8px;
}
.route { font-weight: 600; }

.line + .line, .deliveries > .line { margin-top: 10px; }
.line-label { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.line .text { margin: 2px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.delivery .text { font-weight: 600; }

.player { width: 100%; margin-top: 8px; height: 36px; }

.turn-foot {
  display: flex; flex-wrap: wrap; gap: 4px 12px;
  margin-top: 10px; padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 11px; color: var(--muted);
}

/* ---------------------------------------------------------------- 바닥 */

footer { max-width: 880px; margin: 0 auto; padding: 0 16px 24px; }
.meta { font-size: 11px; color: var(--muted); margin: 8px 0 0; }