/* ─── Availability calendar — styles ─────────────────────────────────────
   No build step. Plain CSS with custom properties. Mobile-first-ish. */

:root {
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1f242e;
  --line: #2a313d;
  --text: #e7ebf2;
  --muted: #93a0b4;
  --faint: #6b7686;
  --primary: #4f8cff;
  --primary-dim: #3b6fd6;
  --danger: #ef4f5b;
  --ok: #2fbf71;
  --pending: #f5a623;

  --cat-ski: #4f8cff;
  --cat-summer: #f5a623;
  --cat-travel: #2fbf71;
  --cat-other: #8b95a7;

  --radius: 12px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); }
em { color: var(--faint); font-style: normal; font-size: 12px; }

/* ─── Navbar ─── */
.navbar { border-bottom: 1px solid var(--line); background: rgba(15, 17, 21, .9); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 20; }
.nav-inner { max-width: 1080px; margin: 0 auto; padding: 12px 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text); font-weight: 700; }
.logo-mark { color: var(--primary); }
.nav-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

/* ─── Buttons ─── */
.btn { border: 1px solid var(--line); background: var(--surface-2); color: var(--text); padding: 7px 13px; border-radius: 9px; font-size: 14px; cursor: pointer; font-weight: 500; transition: .15s; font-family: inherit; }
.btn:hover { border-color: var(--faint); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dim); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: rgba(239, 79, 91, .12); }
.btn-ghost { background: transparent; }
.nav-btn { background: var(--surface-2); border: 1px solid var(--line); color: var(--text); width: 34px; height: 34px; border-radius: 8px; font-size: 18px; cursor: pointer; }
.nav-btn:hover { border-color: var(--faint); }
.icon-btn { background: transparent; border: none; color: var(--muted); font-size: 18px; cursor: pointer; line-height: 1; }
.icon-btn:hover { color: var(--text); }
.mini-btn { border: 1px solid var(--line); background: var(--surface-2); color: var(--text); padding: 3px 9px; border-radius: 7px; font-size: 12px; cursor: pointer; }
.mini-btn.ok { border-color: var(--ok); color: var(--ok); }
.mini-btn.danger { border-color: var(--danger); color: var(--danger); }
.mini-btn:hover { filter: brightness(1.15); }

/* ─── Badges ─── */
.badge { font-size: 12px; padding: 4px 10px; border-radius: 20px; border: 1px solid var(--line); font-weight: 600; }
.badge.owner { cursor: pointer; border-color: var(--primary); color: var(--primary); }
.badge.tier-busy { color: var(--faint); }
.badge.tier-basic { color: var(--cat-travel); border-color: var(--cat-travel); }
.badge.tier-full { color: var(--primary); border-color: var(--primary); }
.count-badge { background: var(--pending); color: #1a1300; border-radius: 20px; padding: 0 6px; margin-left: 6px; font-size: 11px; font-weight: 700; }

/* ─── Layout ─── */
#main-content { flex: 1; max-width: 1080px; width: 100%; margin: 0 auto; padding: 22px 18px 48px; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { max-width: 1080px; margin: 0 auto; padding: 16px 18px; }
.footer-meta { color: var(--faint); font-size: 13px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* ─── Locked landing ─── */
.locked { display: flex; justify-content: center; padding: 60px 0; }
.locked-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; text-align: center; max-width: 440px; }
.locked-icon { font-size: 44px; }
.locked-card h1 { margin: 12px 0 8px; font-size: 22px; }
.locked-card p { color: var(--muted); margin: 0 0 20px; }

/* ─── Calendar ─── */
.cal-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.cal-title { display: flex; align-items: center; gap: 10px; }
.cal-title h1 { font-size: 20px; margin: 0; min-width: 170px; text-align: center; }
.today-btn { font-size: 13px; padding: 6px 11px; }
.legend-hint { color: var(--faint); font-size: 12.5px; }

.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal-grid.head { margin-bottom: 6px; }
.wd { color: var(--faint); font-size: 12px; font-weight: 600; text-align: center; text-transform: uppercase; letter-spacing: .04em; }

.cell { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; min-height: 86px; padding: 6px; cursor: pointer; display: flex; flex-direction: column; gap: 4px; transition: .12s; overflow: hidden; }
.cell:hover { border-color: var(--faint); }
.cell.other { opacity: .42; }
.cell.free-day { background: var(--surface); }
.cell.busy-day { background: linear-gradient(180deg, var(--surface), var(--surface-2)); }
.cell.today { border-color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.cell-num { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.cell.today .cell-num { color: var(--primary); }
.cell-chips { display: flex; flex-direction: column; gap: 3px; }

.chip { border-radius: 5px; min-height: 18px; padding: 1px 5px; font-size: 11.5px; display: flex; align-items: center; gap: 5px; color: #fff; overflow: hidden; white-space: nowrap; }
.chip-label { overflow: hidden; text-overflow: ellipsis; font-weight: 600; }
.chip-seat { margin-left: auto; background: rgba(0, 0, 0, .28); border-radius: 9px; padding: 0 6px; font-size: 10.5px; font-variant-numeric: tabular-nums; }
.chip.busy { background: #495063; }
.chip.detail.cat-ski { background: var(--cat-ski); }
.chip.detail.cat-summer { background: var(--cat-summer); color: #261a00; }
.chip.detail.cat-travel { background: var(--cat-travel); color: #022; }
.chip.detail.cat-other { background: var(--cat-other); color: #111; }
/* A trip the viewer is on (by seat or name match) — green line through the days.
   Declared AFTER the category rules (equal specificity) so green wins and the
   whole multi-day bar reads green instead of the category color. */
.chip.detail.mine, .chip.busy.mine, .chip.mine { background: var(--ok); color: #022; }
.chip.mine .chip-seat { background: rgba(0, 0, 0, .18); }
/* span continuity: trim radius on joins so a multi-day stay reads as a bar */
.chip.span-start { border-top-right-radius: 0; border-bottom-right-radius: 0; margin-right: -7px; }
.chip.span-mid { border-radius: 0; margin-left: -7px; margin-right: -7px; }
.chip.span-end { border-top-left-radius: 0; border-bottom-left-radius: 0; margin-left: -7px; }
.chip-more { font-size: 11px; color: var(--muted); padding-left: 3px; }

@media (max-width: 640px) {
  .cal-grid { gap: 3px; }
  .cell { min-height: 64px; padding: 4px; border-radius: 8px; }
  .chip-label { font-size: 10px; }
  .cal-title h1 { min-width: 120px; font-size: 17px; }
  .legend-hint { display: none; }
}

/* ─── Modal ─── */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .55); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 50; overflow-y: auto; }
.modal { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; width: 100%; max-width: 460px; box-shadow: var(--shadow); }
.modal.wide { max-width: 620px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.modal h2 { margin: 0 0 4px; font-size: 19px; }
.modal-sub { color: var(--muted); font-size: 13.5px; margin: 0 0 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.modal-error { color: var(--danger); font-size: 13px; min-height: 16px; margin-top: 8px; }

.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.field span { font-weight: 600; }
.field input, .field select, .field textarea { background: var(--surface-2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 9px 11px; font-size: 14px; font-family: inherit; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.form-grid .span2 { grid-column: 1 / -1; }

/* ─── Trip cards (detail modal) ─── */
.trip-cards { display: flex; flex-direction: column; gap: 12px; }
.trip-card { background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.trip-card.busy { opacity: .85; }
.trip-card.mine { border-color: var(--ok); box-shadow: inset 3px 0 0 var(--ok); }
.tc-dot.mine { background: var(--ok); }
.tc-title { font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.tc-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--cat-other); }
.tc-dot.busy { background: #495063; }
.tc-dot.cat-ski { background: var(--cat-ski); }
.tc-dot.cat-summer { background: var(--cat-summer); }
.tc-dot.cat-travel { background: var(--cat-travel); }
.tc-dot.cat-other { background: var(--cat-other); }
.tag { font-size: 11px; background: var(--surface); border: 1px solid var(--line); padding: 1px 7px; border-radius: 10px; color: var(--muted); font-weight: 600; }
.tag.private { color: var(--pending); border-color: var(--pending); }
.tc-dates { color: var(--muted); font-size: 13px; margin: 4px 0; }
.tc-loc { font-size: 13px; color: var(--text); margin: 4px 0; }
.tc-seats { display: flex; align-items: center; gap: 10px; margin: 10px 0; flex-wrap: wrap; }
.tc-seats.muted { color: var(--faint); font-size: 13px; }
.seat-count { font-size: 13px; font-weight: 600; }
.pips { display: inline-flex; gap: 4px; }
.pip { width: 12px; height: 12px; border-radius: 50%; }
.pip.filled { background: var(--primary); }
.pip.free { background: transparent; border: 1.5px solid var(--faint); }
.tc-notes { background: var(--surface); border-left: 3px solid var(--line); padding: 8px 11px; border-radius: 6px; font-size: 13.5px; color: var(--text); margin: 10px 0; white-space: pre-wrap; }
.tc-people { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.person { background: var(--surface); border: 1px solid var(--line); padding: 3px 10px; border-radius: 20px; font-size: 13px; }
.tc-actions { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.you-in { color: var(--ok); font-weight: 600; font-size: 14px; }
.pending-tag { color: var(--pending); font-weight: 600; font-size: 13.5px; }

/* owner roster within a trip card */
.tc-roster { margin-top: 10px; border-top: 1px solid var(--line); padding-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.roster-row { display: flex; align-items: center; gap: 8px; }
.roster-row .person { flex: 0 0 auto; }
.roster-row .src { color: var(--faint); font-size: 12px; }
.roster-row.pending .person { color: var(--pending); }
.roster-row .mini-btn { margin-left: auto; }
.roster-row.pending .mini-btn { margin-left: 0; }
.roster-row.pending .mini-btn.ok { margin-left: auto; }
.roster-add { position: relative; }
.roster-add-input { width: 100%; background: var(--surface); border: 1px solid var(--line); color: var(--text); border-radius: 7px; padding: 7px 10px; font-size: 13px; font-family: inherit; }
.roster-add-input:focus { outline: none; border-color: var(--primary); }
.guest-suggest { position: absolute; left: 0; right: 0; top: calc(100% + 4px); z-index: 60; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); padding: 4px; max-height: 210px; overflow-y: auto; }
.suggest-item { display: flex; align-items: center; justify-content: space-between; gap: 8px; width: 100%; background: transparent; border: none; color: var(--text); padding: 7px 9px; border-radius: 6px; cursor: pointer; font-size: 13.5px; font-family: inherit; text-align: left; }
.suggest-item:hover { background: var(--surface-2); }
.suggest-name { font-weight: 500; }
.suggest-tier { font-size: 11px; color: var(--muted); white-space: nowrap; }
.suggest-tier.tier-basic { color: var(--cat-travel); }
.suggest-tier.tier-full { color: var(--primary); }

/* ─── Friends drawer ─── */
.friend-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.friend-row { background: var(--surface-2); border: 1px solid var(--line); border-radius: 9px; padding: 11px; display: flex; flex-direction: column; gap: 9px; }
.friend-row.disabled { opacity: .55; }
.fr-main { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.fr-name { flex: 1; min-width: 120px; background: var(--surface); border: 1px solid var(--line); color: var(--text); border-radius: 7px; padding: 7px 9px; font-size: 14px; font-family: inherit; }
.fr-tier { background: var(--surface); border: 1px solid var(--line); color: var(--text); border-radius: 7px; padding: 7px 9px; font-family: inherit; }
.fr-enabled { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 5px; }
.fr-actions { display: flex; gap: 7px; flex-wrap: wrap; }
.friend-add { display: flex; gap: 8px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 14px; }
.friend-add input { flex: 1; min-width: 140px; background: var(--surface-2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 9px 11px; font-family: inherit; }
.friend-add select { background: var(--surface-2); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 9px; font-family: inherit; }

/* ─── Requests queue ─── */
.req-list { display: flex; flex-direction: column; gap: 10px; }
.req-row { background: var(--surface-2); border: 1px solid var(--line); border-radius: 9px; padding: 12px; display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.req-main { font-size: 14px; }
.req-actions { display: flex; gap: 7px; }

/* ─── Toast ─── */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); background: var(--surface-2); border: 1px solid var(--line); color: var(--text); padding: 11px 18px; border-radius: 10px; font-size: 14px; box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: .22s; z-index: 80; max-width: 90vw; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.ok { border-color: var(--ok); }
.toast.error { border-color: var(--danger); }