/* 청모 — white theme only (no dark mode): IBM Plex Sans KR for text, Plex Mono for dates/numbers.
   Layout: member page = single column ≤520px with a sticky save bar; admin = list/detail two-pane ≥ 860px. */
:root {
  --bg: #ffffff;
  --paper: #ffffff;
  --paper-2: #f4f5f7;
  --ink: #171a1f;
  --ink-2: #5d6470;
  --ink-3: #8b929e;
  --line: #e6e8ec;
  --line-2: #cfd3d9;
  --accent: #1f6a52;
  --accent-ink: #ffffff;
  --accent-tint: #e3f0ea;
  --ok: #2a7f5a;  --ok-tint: #e1f2e9;  --ok-ink: #ffffff;
  --maybe: #b8781a; --maybe-tint: #faefd9; --maybe-ink: #ffffff;
  --no: #b94646;  --no-tint: #f8e4e4;  --no-ink: #ffffff;
  --best: #ffd84d; --best-ink: #3d2f00;
  --warn: #b94646;
  --shadow: 0 1px 0 rgba(23,26,31,.04), 0 8px 24px -12px rgba(23,26,31,.25);
  --sans: "IBM Plex Sans KR", -apple-system, system-ui, "Apple SD Gothic Neo", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --r: 10px;
  color-scheme: light only;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.015em; text-wrap: balance; line-height: 1.25; }
h1 { font-size: 24px; } h2 { font-size: 17px; } h3 { font-size: 14px; } h4 { font-size: 13px; color: var(--ink-2); }
p { margin: 0; }
a { color: var(--accent); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-2); } .faint { color: var(--ink-3); }
.small { font-size: 13px; } .xs { font-size: 12px; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: .06em; color: var(--ink-2); text-transform: uppercase; }
.row { display: flex; align-items: center; gap: 8px; min-width: 0; flex-wrap: wrap; }
.row.nowrap { flex-wrap: nowrap; }
.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.grow { flex: 1 1 auto; min-width: 0; }
.sep { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* controls */
input, textarea, select { font: inherit; color: var(--ink); background: var(--paper); border: 1px solid var(--line-2); border-radius: 8px; padding: 9px 11px; width: 100%; min-width: 0; outline: none; }
input:focus-visible, textarea:focus-visible, select:focus-visible { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
button:focus-visible, a:focus-visible, .tile:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input[type="checkbox"] { width: 18px; height: 18px; padding: 0; margin: 0; accent-color: var(--accent); vertical-align: middle; }
textarea { resize: vertical; }
label.f { display: flex; flex-direction: column; gap: 5px; font-size: 12px; font-weight: 600; color: var(--ink-2); min-width: 0; }
label.f input, label.f select, label.f textarea { font-weight: 400; font-size: 14px; color: var(--ink); }
button { font: inherit; font-size: 14px; font-weight: 500; cursor: pointer; border-radius: 8px; border: 1px solid var(--line-2); background: var(--paper); color: var(--ink); padding: 8px 13px; line-height: 1.3; transition: background .12s, border-color .12s; white-space: nowrap; }
button:hover { background: var(--paper-2); }
button:active { transform: translateY(1px); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.pri { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button.pri:hover { filter: brightness(1.05); background: var(--accent); }
button.ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
button.ghost:hover { background: var(--paper-2); color: var(--ink); }
button.danger { color: var(--warn); border-color: var(--warn); background: transparent; }
button.sm { font-size: 13px; padding: 5px 10px; border-radius: 7px; }
button.xl { font-size: 16px; padding: 13px 18px; border-radius: 10px; }
button.icon { padding: 6px 8px; }

/* badges */
.tag { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 6px; white-space: nowrap; line-height: 1.5; }
.tag.voting { background: var(--accent-tint); color: var(--accent); }
.tag.fixed { background: var(--ok-tint); color: var(--ok); }
.tag.done { background: var(--paper-2); color: var(--ink-2); }
.tag.ok { background: var(--ok-tint); color: var(--ok); }
.tag.maybe { background: var(--maybe-tint); color: var(--maybe); }
.tag.no { background: var(--no-tint); color: var(--no); }
.tag.best { background: var(--best); color: var(--best-ink); }
.tag.warn { background: var(--no-tint); color: var(--no); font-weight: 500; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: 0 0 auto; }
.dot.voting { background: var(--accent); } .dot.fixed { background: var(--ok); } .dot.done { background: var(--ink-3); }

/* surfaces */
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; }
.panel > .ph { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.panel > .ph h2, .panel > .ph h3 { white-space: nowrap; }
.panel > .pb { padding: 14px 16px; display: flex; flex-direction: column; gap: 12px; }
.note { font-size: 13px; color: var(--ink-2); padding: 10px 12px; background: var(--paper-2); border-radius: 8px; }
.empty { text-align: center; color: var(--ink-2); padding: 22px 12px; border: 1px dashed var(--line-2); border-radius: 10px; font-size: 14px; }

/* table */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 8px; border-top: 1px solid var(--line); vertical-align: middle; white-space: nowrap; }
td.txt, th.txt { white-space: normal; min-width: 160px; }
thead th { border-top: 0; color: var(--ink-2); font-weight: 600; font-size: 12px; padding-top: 2px; }
td.c, th.c { text-align: center; }
td.r, th.r { text-align: right; }
.tw { overflow-x: auto; min-width: 0; }

/* misc */
.names { display: flex; flex-wrap: wrap; gap: 3px 6px; font-size: 13px; color: var(--ink-2); line-height: 1.5; }
.names b { color: var(--ink); font-weight: 500; }
.toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%) translateY(8px); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 14px; font-weight: 500; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s; z-index: 100; max-width: calc(100vw - 32px); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.bar { height: 6px; border-radius: 3px; background: var(--paper-2); overflow: hidden; display: flex; }
.bar i { display: block; height: 100%; }
.bar .ok { background: var(--ok); } .bar .maybe { background: var(--maybe); } .bar .no { background: var(--no); }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---- layout ---- */
.wrap { max-width: 520px; margin: 0 auto; padding: 16px 16px calc(96px + env(safe-area-inset-bottom, 0px)); display: flex; flex-direction: column; gap: 14px; }
.wrap.wide { max-width: 1180px; padding-bottom: 40px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand h1 { font-size: 20px; }
.brand .couple { font-size: 12px; color: var(--ink-3); }

/* ---- calendar ---- */
.cals { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px 22px; }
.cal { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.cal-h { display: flex; align-items: baseline; gap: 6px; font-size: 15px; padding: 0 2px; }
.cal-h b { font-weight: 600; }
.cal-g { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-g .dow { font-size: 11px; font-weight: 600; color: var(--ink-3); text-align: center; padding: 2px 0 4px; }
.cal-g .dow.sun { color: var(--no); } .cal-g .dow.sat { color: var(--accent); }
.day { position: relative; height: 46px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; border-radius: 9px; border: 1px solid transparent; background: transparent; color: var(--ink); padding: 0; font: inherit; font-size: 14px; line-height: 1.1; transition: background .12s, border-color .12s, transform .08s; }
.day b { font-weight: 500; font-variant-numeric: tabular-nums; }
.day.sun b { color: var(--no); } .day.sat b { color: var(--accent); }
.day.off { color: var(--ink-3); } .day.off b { color: var(--line-2); }
.day.pad { visibility: hidden; }
.day.today::before { content: ""; position: absolute; top: 4px; right: 4px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.day.cand { background: var(--paper); border-color: var(--line-2); cursor: pointer; box-shadow: 0 1px 0 rgba(0,0,0,.03); }
.day.cand:hover { border-color: var(--ink-3); }
.day.cand:active { transform: scale(.96); }
.day small { font-size: 10px; font-weight: 600; letter-spacing: 0; line-height: 1; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 0 3px; }
.day em { font-style: normal; font-size: 10px; color: var(--ink-3); font-variant-numeric: tabular-nums; line-height: 1; }
.day.ok { background: var(--ok); border-color: var(--ok); color: var(--ok-ink); }
.day.maybe { background: var(--maybe); border-color: var(--maybe); color: var(--maybe-ink); }
.day.no { background: var(--no); border-color: var(--no); color: var(--no-ink); }
.day.ok b, .day.maybe b, .day.no b, .day.ok em, .day.maybe em, .day.no em { color: inherit; }
.day.ok em, .day.maybe em, .day.no em { opacity: .85; }
.day.sel { background: var(--accent-tint); border-color: var(--accent); color: var(--accent); }
.day.sel b { color: var(--accent); }
.day.fixed { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.day.fixed b { color: inherit; }
.day.blocked { background: repeating-linear-gradient(135deg, var(--paper-2) 0 4px, transparent 4px 8px); border-color: var(--line); color: var(--ink-3); cursor: not-allowed; }
.day.blocked b { color: var(--ink-3); text-decoration: line-through; }
.day.heat { background: var(--paper); }
.day.heat::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: var(--ok); opacity: var(--h, 0); pointer-events: none; }
.day.heat > * { position: relative; z-index: 1; }
.day.heat.best, .day.cand.best { box-shadow: 0 0 0 2px var(--best); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 12px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 12px; height: 12px; border-radius: 4px; display: inline-block; border: 1px solid var(--line-2); background: var(--paper); }
.legend i.ok { background: var(--ok); border-color: var(--ok); } .legend i.maybe { background: var(--maybe); border-color: var(--maybe); } .legend i.no { background: var(--no); border-color: var(--no); }
.legend i.sel { background: var(--accent-tint); border-color: var(--accent); } .legend i.fixed { background: var(--ink); border-color: var(--ink); }
.legend i.blocked { background: repeating-linear-gradient(135deg, var(--paper-2) 0 3px, transparent 3px 6px); }
.legend i.best { box-shadow: 0 0 0 2px var(--best); }

/* ---- member page ---- */
.savebar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; background: var(--paper); border-top: 1px solid var(--line); padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px)); box-shadow: 0 -8px 24px -16px rgba(0,0,0,.25); }
.savebar .in { max-width: 520px; margin: 0 auto; display: flex; gap: 8px; align-items: center; }
.savebar input { flex: 1 1 auto; min-width: 0; }
.savebar button { flex: 0 0 auto; }
.pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.pick button { padding: 9px 6px; font-size: 13px; }
.pick button.on.ok { background: var(--ok); color: var(--ok-ink); border-color: var(--ok); }
.pick button.on.maybe { background: var(--maybe); color: var(--maybe-ink); border-color: var(--maybe); }
.pick button.on.no { background: var(--no); color: var(--no-ink); border-color: var(--no); }
.rank { display: flex; flex-direction: column; }
.rank-item { display: grid; grid-template-columns: 22px 1fr auto; gap: 10px; align-items: center; padding: 8px 2px; border-top: 1px solid var(--line); font-size: 14px; }
.rank-item:first-child { border-top: 0; }
.rank-item .pos { font-family: var(--mono); font-size: 13px; color: var(--ink-3); text-align: center; }
.rank-item.best .pos { color: var(--best-ink); background: var(--best); border-radius: 6px; font-weight: 600; }
.rank-item .d { font-weight: 600; }
.rank-item .meta { font-size: 12px; color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.hero-date { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.hero-date .y { font-size: 14px; color: var(--ink-2); font-weight: 500; display: block; }
.hero-sub { font-size: 16px; font-weight: 600; color: var(--accent); }
.place { display: flex; flex-direction: column; gap: 6px; }
.place .pn { font-size: 18px; font-weight: 600; }
.place .pa { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: var(--ink-2); }
.place .pa span { flex: 1; word-break: break-all; }
.links { display: flex; gap: 6px; flex-wrap: wrap; }
.links a { display: inline-flex; align-items: center; gap: 4px; padding: 7px 11px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--paper); text-decoration: none; font-weight: 500; font-size: 13px; color: var(--ink); }
.rsvp { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.rsvp button { padding: 14px; font-size: 16px; font-weight: 600; }
.rsvp button.on.yes { background: var(--ok); color: var(--ok-ink); border-color: var(--ok); }
.rsvp button.on.no { background: var(--no); color: var(--no-ink); border-color: var(--no); }
.foot { text-align: center; color: var(--ink-3); font-size: 12px; }

/* ---- admin ---- */
.admin { display: grid; grid-template-columns: 300px 1fr; gap: 16px; align-items: start; }
@media (max-width: 860px) { .admin { grid-template-columns: 1fr; } .admin.detail-open .side { display: none; } .admin:not(.detail-open) .main { display: none; } .back { display: inline-flex !important; } }
.back { display: none; }
.side { display: flex; flex-direction: column; gap: 12px; position: sticky; top: 12px; }
.glist { display: flex; flex-direction: column; }
.gitem { display: grid; grid-template-columns: 10px 1fr auto; gap: 10px; align-items: center; padding: 10px 12px; border-top: 1px solid var(--line); cursor: pointer; text-align: left; background: transparent; border-left: 0; border-right: 0; border-bottom: 0; border-radius: 0; font: inherit; color: var(--ink); width: 100%; }
.gitem:first-child { border-top: 0; }
.gitem:hover { background: var(--paper-2); }
.gitem.on { background: var(--accent-tint); }
.gitem .n { font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gitem .s { font-size: 12px; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gitem .r { font-size: 12px; color: var(--ink-2); text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.gitem .r b { color: var(--ink); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.stat { background: var(--paper); padding: 10px 12px; }
.stat .v { font-family: var(--mono); font-size: 20px; font-weight: 600; line-height: 1.1; }
.stat .l { font-size: 11px; color: var(--ink-2); margin-top: 2px; }
.agenda { display: flex; flex-direction: column; }
.agenda-item { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: baseline; padding: 7px 0; border-top: 1px solid var(--line); font-size: 13px; }
.agenda-item:first-child { border-top: 0; }
.agenda-item .d { font-family: var(--mono); font-weight: 600; font-size: 13px; }
.agenda-item .m { color: var(--ink-2); font-size: 12px; white-space: nowrap; }
.dows { display: flex; gap: 4px; }
.dows label { flex: 1; display: flex; align-items: center; justify-content: center; padding: 7px 0; border: 1px solid var(--line-2); border-radius: 8px; font-size: 13px; font-weight: 500; cursor: pointer; background: var(--paper); user-select: none; }
.dows label.sun { color: var(--no); } .dows label.sat { color: var(--accent); }
.dows label:has(input:checked) { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.dows input { position: absolute; opacity: 0; width: 0; height: 0; }
.form2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form2 .full { grid-column: 1 / -1; }
@media (max-width: 480px) { .form2 { grid-template-columns: 1fr; } }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: transparent; padding: 8px 12px; color: var(--ink-2); font-weight: 500; }
.tabs button.on { color: var(--ink); border-bottom-color: var(--ink); }
.tabs button b { font-family: var(--mono); font-size: 12px; margin-left: 4px; color: var(--ink-3); font-weight: 500; }
tr.best td { background: color-mix(in srgb, var(--best) 22%, transparent); }
tr.fixedrow td { background: var(--accent-tint); }
.inline-input { padding: 5px 8px; font-size: 13px; }
.linkbox { display: flex; gap: 6px; align-items: center; }
.linkbox code { flex: 1; min-width: 0; font-family: var(--mono); font-size: 12px; background: var(--paper-2); padding: 7px 10px; border-radius: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gate { max-width: 380px; margin: 12vh auto 0; }
.kpi { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--ink-2); }
.kpi b { color: var(--ink); font-family: var(--mono); font-weight: 600; }
.vlist { display: flex; flex-direction: column; }
.vline { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center; padding: 6px 0; border-top: 1px solid var(--line); font-size: 13px; }
.vline:first-child { border-top: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chip { font-size: 12px; padding: 3px 8px; border-radius: 6px; background: var(--paper-2); color: var(--ink-2); }
.chip.warn { background: var(--no-tint); color: var(--no); }
.chip.ok { background: var(--ok-tint); color: var(--ok); }
.names-m { display: none; white-space: normal; max-width: 180px; line-height: 1.35; margin-top: 2px; }
@media (max-width: 600px) { td.txt, th.txt, td.act, th.act { display: none; } .names-m { display: block; } }
.day.picking { outline: 2px solid var(--ink); outline-offset: 1px; }
.pick-row { grid-column: 1 / -1; display: flex; align-items: center; gap: 6px; padding: 8px 8px 8px 10px; margin: 2px 0 4px; background: var(--paper-2); border-radius: 10px; }
.pick-row .pd { font-weight: 600; font-size: 14px; flex: 1 1 auto; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pick-row button { padding: 9px 14px; font-weight: 600; font-size: 14px; }
.pick-row button.ok { color: var(--ok); border-color: var(--ok); background: var(--paper); }
.pick-row button.no { color: var(--no); border-color: var(--no); background: var(--paper); }
.pick-row button.ok.on, .pick-row button.ok:active { background: var(--ok); color: var(--ok-ink); }
.pick-row button.no.on, .pick-row button.no:active { background: var(--no); color: var(--no-ink); }
.pick-row button.ghost { padding: 7px 8px; font-weight: 500; }

/* ---- kakao / identity ---- */
.kakao-btn { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 13px 16px; border-radius: 10px; background: #FEE500; color: #191919; font-weight: 600; font-size: 15px; text-decoration: none; border: 0; cursor: pointer; }
.kakao-btn:hover { filter: brightness(.97); }
.kakao-btn.sm { width: auto; padding: 7px 12px; font-size: 13px; border-radius: 8px; gap: 6px; }
.kakao-btn.sm svg { width: 16px; height: 16px; }
.me { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); }
.me .av { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex: 0 0 auto; }
.me .who { flex: 1; min-width: 0; font-size: 14px; }
.me .who b { font-weight: 600; }
.me a { font-size: 12px; color: var(--ink-2); }
img.av { border-radius: 50%; object-fit: cover; vertical-align: middle; margin-right: 4px; background: var(--paper-2); }
.names img.av { width: 20px; height: 20px; margin-right: 2px; }
.cal-add { display: flex; gap: 6px; flex-wrap: wrap; }
.or { display: flex; align-items: center; gap: 10px; color: var(--ink-3); font-size: 12px; }
.or::before, .or::after { content: ""; flex: 1; border-top: 1px solid var(--line); }