:root {
  --bg: #f6f7fb; --card: #ffffff; --text: #1d2433; --muted: #6b7385; --line: #e3e6ee;
  --accent: #3b5bdb; --accent-weak: #e7ecff; --danger: #d6336c; --ok: #2b8a3e; --warn: #e67700;
  --taken: #eceef3; --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141b; --card: #1b1e28; --text: #e8eaf1; --muted: #9aa1b5; --line: #2c3040;
    --accent: #7c96ff; --accent-weak: #263057; --danger: #ff6b9a; --ok: #69db7c; --warn: #ffa94d; --taken: #262a37;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  line-height: 1.5;
}
header.top { padding: 22px 16px 8px; max-width: 760px; margin: 0 auto; }
header.top h1 { margin: 0; font-size: 22px; }
header.top p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
main { max-width: 760px; margin: 0 auto; padding: 8px 16px 64px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-top: 14px; }
.card h2 { margin: 0 0 10px; font-size: 16px; }
.tabs { display: flex; gap: 6px; margin-top: 12px; overflow-x: auto; }
.tabs button {
  flex: 1; min-width: max-content; padding: 11px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--card); color: var(--muted); font: inherit; font-weight: 600; cursor: pointer;
}
.tabs button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
label { display: block; font-size: 13px; color: var(--muted); font-weight: 600; margin-bottom: 4px; }
input, select, textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg);
  color: var(--text); font: inherit; font-size: 16px; /* iOS 확대 방지 */
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.field { margin-bottom: 12px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 140px; }
.btn {
  padding: 12px 16px; border: 0; border-radius: 10px; background: var(--accent); color: #fff;
  font: inherit; font-weight: 700; cursor: pointer;
}
.btn.block { width: 100%; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn.danger { background: var(--danger); }
.btn.small { padding: 7px 11px; font-size: 13px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.rooms { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; }
.room {
  text-align: left; padding: 12px; border-radius: 12px; border: 1.5px solid var(--line); background: var(--bg);
  color: var(--text); font: inherit; cursor: pointer;
}
.room strong { display: block; font-size: 16px; }
.room span { font-size: 13px; color: var(--muted); }
.room.active { border-color: var(--accent); background: var(--accent-weak); }
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: 6px; }
.slot {
  padding: 10px 0; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text);
  font: inherit; font-weight: 600; cursor: pointer;
}
.slot:disabled { background: var(--taken); color: var(--muted); text-decoration: line-through; cursor: not-allowed; opacity: .7; }
.slot.range { background: var(--accent-weak); border-color: var(--accent); }
.slot.start { background: var(--accent); border-color: var(--accent); color: #fff; }
.hint { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.summary { margin: 12px 0; padding: 12px; border-radius: 10px; background: var(--accent-weak); font-weight: 600; }
.done h2 { color: var(--ok); }
.code { font-size: 30px; font-weight: 800; letter-spacing: 4px; margin: 6px 0; font-variant-numeric: tabular-nums; }
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 4px 10px; margin: 8px 0; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; font-weight: 600; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--taken); color: var(--muted); }
.badge.ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 20%, transparent); color: var(--warn); }
.badge.bad { background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger); }
.list > .item { border-top: 1px solid var(--line); padding: 12px 0; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.list > .item:first-child { border-top: 0; }
.item .when { min-width: 110px; font-weight: 700; }
.item .who { flex: 1; min-width: 150px; }
.item .who small { display: block; color: var(--muted); }
.item .acts { display: flex; gap: 6px; flex-wrap: wrap; }
.empty { color: var(--muted); text-align: center; padding: 18px 0; }
.toolbar { display: flex; gap: 8px; align-items: center; }
.toolbar input[type=date] { flex: 1; }
.pwrow { display: grid; grid-template-columns: 70px 1fr auto; gap: 8px; align-items: center; margin-bottom: 8px; }
.msg { white-space: pre-wrap; background: var(--bg); border-radius: 10px; padding: 10px; font-size: 13px; margin-top: 6px; }
.err { color: var(--danger); font-size: 14px; margin: 8px 0 0; min-height: 1.2em; }
#toast {
  position: fixed; left: 50%; bottom: 22px; transform: translate(-50%, 30px); opacity: 0; pointer-events: none;
  background: #222836; color: #fff; padding: 11px 18px; border-radius: 999px; font-size: 14px; font-weight: 600;
  transition: .2s; z-index: 10; max-width: 92vw; text-align: center;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.err { background: var(--danger); }
.notice {
  padding: 11px 13px; border-radius: 10px; font-size: 14px; margin-top: 12px;
  background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--text);
  border: 1px solid color-mix(in srgb, var(--warn) 45%, transparent);
}
.notice.info { background: var(--accent-weak); border-color: transparent; }
.spinner {
  width: 34px; height: 34px; margin: 18px auto; border-radius: 50%;
  border: 4px solid var(--line); border-top-color: var(--accent); animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
/* ---- 홈페이지 ---- */
html { scroll-behavior: smooth; scroll-padding-top: 64px; }
.site-nav { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--card) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-inner { max-width: 960px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { font-weight: 800; font-size: 17px; color: var(--text); text-decoration: none; }
.site-nav nav { display: flex; gap: 14px; align-items: center; font-size: 14px; }
.site-nav nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.site-nav nav a.cta { background: var(--accent); color: #fff; padding: 7px 13px; border-radius: 999px; }
.hero { background: linear-gradient(135deg, var(--accent-weak), var(--bg)); border-bottom: 1px solid var(--line); }
.hero-inner { max-width: 960px; margin: 0 auto; padding: 44px 16px 40px; }
.hero h1 { margin: 0 0 10px; font-size: clamp(28px, 6vw, 40px); line-height: 1.2; }
.hero p { margin: 0 0 16px; font-size: 17px; color: var(--muted); max-width: 560px; white-space: pre-line; }
.hero-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.chip { padding: 6px 12px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-size: 13px; font-weight: 600; }
.hero-btn { display: inline-block; text-decoration: none; padding: 14px 26px; font-size: 16px; }
main.wide { max-width: 960px; }
.block { margin-top: 38px; }
.block.narrow { max-width: 760px; margin-left: auto; margin-right: auto; }
.block-title { font-size: 21px; margin: 0 0 14px; }
.room-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.room-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.room-card .photo { aspect-ratio: 4 / 3; background: var(--taken); display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 14px; }
.room-card .photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.room-card .body { padding: 14px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.room-card h3 { margin: 0; font-size: 17px; }
.room-card .meta { color: var(--muted); font-size: 14px; }
.room-card .price { font-weight: 800; margin-top: 4px; }
.room-card .btn { margin-top: auto; }
.guide-list { margin: 0; padding-left: 18px; }
.guide-list li { margin: 4px 0; }
.guide-sub { margin: 16px 0 6px; font-size: 15px; }
.price-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.price-table td { padding: 8px 0; border-top: 1px solid var(--line); }
.price-table td:last-child { text-align: right; font-weight: 700; }
.biz { margin-top: 56px; padding: 26px 16px 40px; background: var(--card); border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; line-height: 1.8; }
.biz-inner { max-width: 960px; margin: 0 auto; }
.biz strong { color: var(--text); font-size: 15px; }
.biz .sep { margin: 0 6px; opacity: .5; }
.check { display: flex; gap: 8px; align-items: center; color: var(--text); font-size: 14px; }
.check input { width: 18px; height: 18px; flex: none; }
.consent details { margin-top: 6px; font-size: 13px; color: var(--muted); }
.consent summary { cursor: pointer; }
.consent details p { margin: 6px 0 0; }
.center { text-align: center; }
.stack > * + * { margin-top: 10px; }
[hidden] { display: none !important; }