:root {
  --bg: oklch(0.185 0.018 155);
  --bg-deep: oklch(0.10 0.02 155);
  --panel: oklch(0.215 0.02 155);
  --panel-open: oklch(0.225 0.02 155);
  --border: oklch(0.28 0.02 155);
  --border-strong: oklch(0.34 0.02 155);
  --line: oklch(0.27 0.02 155);
  --line-top: oklch(0.30 0.02 155);
  --line-cell: oklch(0.235 0.02 155);
  --ink: oklch(0.95 0.01 120);
  --ink-95: oklch(0.96 0.01 120);
  --ink-90: oklch(0.90 0.012 130);
  --ink-92: oklch(0.92 0.012 130);
  --ink-88: oklch(0.88 0.012 140);
  --dim: oklch(0.68 0.015 145);
  --dim-66: oklch(0.66 0.015 145);
  --dim-64: oklch(0.64 0.015 145);
  --dim-62: oklch(0.62 0.015 145);
  --dim-60: oklch(0.60 0.015 145);
  --dim-58: oklch(0.58 0.015 145);
  --dim-55: oklch(0.55 0.015 145);
  --gold: oklch(0.80 0.10 85);
  --gold-bright: oklch(0.86 0.09 85);
  --gold-ink: oklch(0.20 0.03 100);
  --serif: 'Instrument Serif', Georgia, serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: oklch(0.94 0.01 120);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: oklch(0.88 0.08 85); }

button { font-family: inherit; }

.page { min-height: 100vh; padding: 36px clamp(18px, 4vw, 56px) 72px; }
.container { max-width: 1400px; margin: 0 auto; }

/* ---------- header ---------- */
.topbar { display: flex; align-items: center; justify-content: space-between; padding-bottom: 44px; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-name { font-family: var(--serif); font-size: 25px; letter-spacing: 0.01em; color: var(--ink); }
.brand-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); }
.brand-sub { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim-62); }
.topbar-right { display: flex; align-items: center; gap: 22px; }
.city { font-size: 13px; color: var(--dim-66); }

.btn-new {
  background: none; border: 1px solid oklch(0.80 0.10 85 / 0.5); color: oklch(0.86 0.05 90);
  padding: 8px 14px; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}
.btn-new:hover { background: var(--gold); color: var(--gold-ink); }

.avatar-you {
  width: 28px; height: 28px; border-radius: 50%; border: 1px solid oklch(0.80 0.10 85 / 0.55);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; letter-spacing: 0.04em; color: oklch(0.86 0.05 90); cursor: pointer;
}
.btn-login {
  background: none; border: none; padding: 0; cursor: pointer;
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold);
}
.btn-login:hover { color: var(--gold-bright); }

/* ---------- layout ---------- */
.layout { display: flex; flex-wrap: wrap; gap: 56px; align-items: flex-start; }
.main { flex: 1 1 882px; min-width: 0; }

.intro { max-width: 660px; padding-bottom: 38px; }
.intro-title { margin: 0; font-family: var(--serif); font-size: 44px; font-weight: 400; line-height: 1.1; letter-spacing: -0.01em; color: var(--ink); text-wrap: pretty; }
.intro-sub { margin: 0; padding-top: 14px; font-size: 15px; line-height: 1.6; color: var(--dim); text-wrap: pretty; }

.week-head { display: flex; align-items: flex-end; justify-content: space-between; padding-bottom: 12px; }
.week-head-label { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim-58); }
.week-head-range { font-size: 12px; color: var(--dim-66); }

.grid-scroll { overflow-x: auto; overflow-y: visible; }
.grid-inner { min-width: 882px; }

/* ---------- timeline ---------- */
.timeline-row { display: flex; }
.gutter { width: 56px; flex: none; }
.timeline { flex: 1; min-width: 826px; position: relative; height: 26px; }
.timeline-base { position: absolute; left: 0; right: 0; top: 12px; height: 1px; background: var(--line-top); }
.timeline-ticks { position: absolute; inset: 0; display: flex; }
.timeline-tick { flex: 1; display: flex; justify-content: center; align-items: center; }
.timeline-tick > div { width: 1px; height: 7px; background: oklch(0.34 0.02 155); }
.now-fill { position: absolute; left: 0; top: 12px; height: 1px; background: var(--gold); }
.now-dot { position: absolute; top: 9px; width: 7px; height: 7px; margin-left: -3.5px; border-radius: 50%; background: var(--gold); }

/* ---------- grid ---------- */
.grid-row { display: flex; user-select: none; -webkit-user-select: none; }
.hour-head-spacer { height: 76px; }
.hour-label { height: 36px; display: flex; align-items: center; justify-content: flex-end; padding-right: 10px; font-size: 11px; color: var(--dim-55); }

.grid { flex: 1; min-width: 826px; position: relative; display: flex; border-left: 1px solid var(--line); }
.day-col { flex: 1; min-width: 118px; border-right: 1px solid var(--line); }
.day-head { height: 76px; display: flex; flex-direction: column; justify-content: flex-end; gap: 5px; padding: 0 0 14px 12px; }
.day-wd { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: oklch(0.56 0.015 145); }
.day-numrow { display: flex; align-items: baseline; gap: 6px; }
.day-num { font-family: var(--serif); font-size: 27px; line-height: 1; color: var(--ink-92); }
.day-num.today { color: var(--gold); }
.day-mon { font-size: 11px; color: oklch(0.54 0.015 145); }
.day-today-tag { font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); }

.day-body { position: relative; border-top: 1px solid var(--line-top); }
.cell { position: relative; height: 36px; border-bottom: 1px solid var(--line-cell); cursor: crosshair; }
.cell:hover { background: oklch(0.95 0.01 120 / 0.04); }
.cell-fill { position: absolute; inset: 0; transition: background 120ms ease; pointer-events: none; }
.cell.sel .cell-fill { background: oklch(0.80 0.10 85 / 0.2); box-shadow: inset 0 0 0 1.5px var(--gold); }
.cell-avatars { position: absolute; top: 0; right: 5px; bottom: 0; display: flex; align-items: center; pointer-events: none; }
.mini-avatar {
  width: 23px; height: 23px; border-radius: 50%; background: oklch(0.26 0.02 155);
  border: 1px solid oklch(0.95 0.01 120 / 0.26); display: flex; align-items: center; justify-content: center;
  font-size: 10px; letter-spacing: 0.01em; color: var(--ink-88);
}

.bars-layer { position: absolute; left: 5px; top: 0; bottom: 0; right: 34px; pointer-events: none; }
.bar {
  position: absolute; box-sizing: border-box; pointer-events: auto; cursor: pointer;
  color: var(--gold-ink); padding: 5px 6px; display: flex; flex-direction: column; gap: 3px; overflow: hidden;
  transition: opacity 160ms ease;
}
.bar.faded { opacity: 0.28; }
.bar.open-outline { outline: 2px solid var(--ink-95); outline-offset: 1px; }
.bar-meta { flex: none; font-size: 9px; letter-spacing: 0.05em; text-transform: uppercase; color: oklch(0.21 0.03 100 / 0.75); }
.bar-title { font-size: 10px; line-height: 1.2; font-weight: 600; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; }

/* ---------- legend ---------- */
.legend { display: flex; gap: 28px; padding-top: 22px; font-size: 11px; color: var(--dim-58); flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 9px; }
.legend-bar { width: 9px; height: 20px; background: oklch(0.78 0.10 85); }
.legend-circle { width: 21px; height: 21px; border-radius: 50%; background: oklch(0.26 0.02 155); border: 1px solid oklch(0.95 0.01 120 / 0.28); }
.legend-sel { width: 21px; height: 14px; background: oklch(0.80 0.10 85 / 0.2); box-shadow: inset 0 0 0 1.5px var(--gold); }

/* ---------- sidebar ---------- */
.sidebar { width: 344px; flex: none; display: flex; flex-direction: column; gap: 20px; padding-top: 8px; }
.card { border: 1px solid var(--border); background: var(--panel); padding: 24px; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 16px; }
.card-title { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim-58); }
.card-count { font-size: 12px; color: oklch(0.72 0.015 145); }
.card-empty { font-size: 13px; line-height: 1.6; color: var(--dim-62); }

.sel-list { display: flex; flex-direction: column; gap: 9px; }
.sel-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-88); }
.sel-row-time { color: oklch(0.70 0.015 145); }
.link-quiet {
  background: none; border: none; padding: 8px 0 0; text-align: left; cursor: pointer;
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim-58);
}
.link-quiet:hover { color: var(--gold); }

.plan-list { display: flex; flex-direction: column; gap: 16px; }
.plan-row { display: flex; gap: 12px; cursor: pointer; }
.plan-row:hover { opacity: 0.75; }
.plan-bar { width: 4px; flex: none; border-radius: 2px; }
.plan-body { min-width: 0; flex: 1; }
.plan-title { font-size: 14px; color: oklch(0.93 0.012 130); }
.plan-meta { padding-top: 5px; display: flex; justify-content: space-between; gap: 12px; font-size: 11px; color: var(--dim-64); }

.person-list { display: flex; flex-direction: column; gap: 14px; }
.person { display: flex; align-items: center; gap: 12px; }
.person-avatar {
  width: 32px; height: 32px; flex: none; border-radius: 50%; background: oklch(0.95 0.01 120 / 0.07);
  border: 1px solid oklch(0.95 0.01 120 / 0.2); display: flex; align-items: center; justify-content: center;
  font-size: 10px; color: oklch(0.84 0.012 140);
}
.person-name { font-size: 13px; color: var(--ink-92); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.person-meta { padding-top: 3px; font-size: 11px; color: var(--dim-62); }

/* ---------- event popup ---------- */
.popup {
  position: absolute; z-index: 20; width: 312px; box-sizing: border-box;
  background: var(--panel-open); border: 1px solid var(--border-strong);
  box-shadow: 0 24px 60px oklch(0.10 0.02 155 / 0.6); padding: 24px;
}
.popup-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.popup-when-row { display: flex; align-items: center; gap: 8px; padding-bottom: 8px; }
.popup-dot { width: 8px; height: 8px; border-radius: 50%; }
.popup-when { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim-60); }
.popup-title { font-family: var(--serif); font-size: 26px; line-height: 1.15; color: var(--ink-95); text-wrap: pretty; }
.popup-close { flex: none; width: 26px; height: 26px; display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--dim-60); cursor: pointer; background: none; border: none; }
.popup-close:hover { color: oklch(0.92 0.01 130); }

.capacity-box { margin-top: 22px; padding: 18px 18px 20px; background: oklch(0.95 0.01 120 / 0.04); border: 1px solid var(--line-top); }
.capacity-label { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim-60); }
.capacity-nrow { display: flex; align-items: baseline; gap: 9px; padding-top: 6px; }
.capacity-n { font-family: var(--serif); font-size: 38px; line-height: 1; color: var(--ink-95); }
.capacity-word { font-size: 14px; color: oklch(0.72 0.015 145); }
.spots-row { display: flex; gap: 6px; padding-top: 16px; flex-wrap: wrap; }
.spot { width: 18px; height: 18px; border-radius: 50%; }
.spots-text { padding-top: 12px; font-size: 12px; color: var(--dim-66); }

.facts { margin-top: 20px; display: flex; flex-direction: column; gap: 11px; }
.fact { display: flex; justify-content: space-between; gap: 16px; font-size: 13px; }
.fact-k { color: var(--dim-60); flex: none; }
.fact-v { color: var(--ink-90); text-align: right; overflow-wrap: anywhere; }

.author-row { margin-top: 20px; padding-top: 18px; border-top: 1px solid oklch(0.28 0.02 155); display: flex; align-items: center; gap: 12px; }
.author-avatar { width: 34px; height: 34px; flex: none; border-radius: 50%; background: oklch(0.95 0.01 120 / 0.07); border: 1px solid oklch(0.95 0.01 120 / 0.2); display: flex; align-items: center; justify-content: center; font-size: 10px; color: oklch(0.86 0.012 140); }
.author-name { font-size: 13px; color: var(--ink-92); }
.author-meta { padding-top: 3px; font-size: 11px; color: var(--dim-62); }

.members-row { margin-top: 16px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.member-chip { width: 26px; height: 26px; border-radius: 50%; background: oklch(0.95 0.01 120 / 0.07); border: 1px solid oklch(0.95 0.01 120 / 0.2); display: flex; align-items: center; justify-content: center; font-size: 9px; color: oklch(0.86 0.012 140); }
.members-label { font-size: 11px; color: var(--dim-62); margin-right: 4px; }

.btn-join {
  display: block; width: 100%; margin-top: 20px; padding: 13px; text-align: center;
  background: var(--gold); color: var(--gold-ink); border: none; cursor: pointer;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
}
.btn-join:hover { background: var(--gold-bright); }
.joined-tag {
  margin-top: 20px; padding: 13px; text-align: center; border: 1px solid oklch(0.80 0.10 85 / 0.4);
  color: oklch(0.80 0.08 90); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
}
.btn-ghost {
  display: block; width: 100%; margin-top: 10px; padding: 11px; text-align: center;
  background: none; border: 1px solid var(--border-strong); color: var(--dim-66); cursor: pointer;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
}
.btn-ghost:hover { color: var(--ink-90); border-color: var(--dim-60); }

/* ---------- modal ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 50; background: oklch(0.10 0.02 155 / 0.7);
  display: flex; align-items: flex-start; justify-content: center; padding: 8vh 16px 16px; overflow-y: auto;
}
.overlay[hidden], .toast[hidden] { display: none; }
.modal {
  width: 420px; max-width: 100%; background: var(--panel-open); border: 1px solid var(--border-strong);
  box-shadow: 0 24px 60px oklch(0.10 0.02 155 / 0.6); padding: 28px;
}
.modal-title { font-family: var(--serif); font-size: 28px; line-height: 1.15; color: var(--ink-95); padding-bottom: 6px; }
.modal-sub { font-size: 13px; line-height: 1.6; color: var(--dim-62); padding-bottom: 18px; }

.field { padding-bottom: 14px; }
.field label { display: block; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim-60); padding-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; background: oklch(0.95 0.01 120 / 0.05); border: 1px solid var(--line-top);
  color: var(--ink-92); font-size: 14px; padding: 10px 12px; font-family: inherit; border-radius: 0;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 1.5px solid var(--gold); outline-offset: -1px; }
.field textarea { resize: vertical; min-height: 64px; }
.field-row { display: flex; gap: 12px; }
.field-row .field { flex: 1; }
.form-error { color: oklch(0.75 0.13 30); font-size: 12px; padding-bottom: 10px; min-height: 16px; }

.tg-link {
  display: block; margin-top: 8px; padding: 13px; text-align: center; background: var(--gold);
  color: var(--gold-ink) !important; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; cursor: pointer;
}
.tg-link:hover { background: var(--gold-bright); color: var(--gold-ink) !important; }
.login-wait { padding-top: 14px; font-size: 12px; color: var(--dim-62); text-align: center; }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 100;
  background: var(--panel-open); border: 1px solid var(--border-strong); color: var(--ink-90);
  font-size: 13px; padding: 12px 18px; box-shadow: 0 12px 40px oklch(0.10 0.02 155 / 0.6);
  max-width: min(90vw, 480px);
}

/* ---------- mobile ---------- */
@media (max-width: 1100px) {
  .layout { gap: 36px; }
  .sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; }
  .sidebar .card { flex: 1 1 280px; }
}
@media (max-width: 700px) {
  .page { padding: 20px 14px 56px; }
  .topbar { padding-bottom: 28px; }
  .intro-title { font-size: 32px; }
  .intro { padding-bottom: 24px; }
  .popup { position: fixed !important; z-index: 60; left: 50% !important; top: 50% !important; transform: translate(-50%, -50%) !important; margin: 0 !important; width: min(92vw, 340px); max-height: 86vh; overflow-y: auto; }
}