/* Tailwind Plus-inspired app shell for family.aver.to. No build step, no CDN. */
:root {
  color-scheme: light dark;
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-soft: #f1f5f9;
  --surface-softer: #f8fafc;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --muted: #64748b;
  --muted-strong: #475569;
  --accent: #4f46e5;
  --accent-soft: #eef2ff;
  --accent-text: #4338ca;
  --success-bg: #dcfce7;
  --success-text: #166534;
  --warning-bg: #fef3c7;
  --warning-text: #92400e;
  --danger-bg: #fee2e2;
  --danger-text: #991b1b;
  --info-bg: #dbeafe;
  --info-text: #1d4ed8;
  --shadow: 0 1px 2px rgb(15 23 42 / 0.06), 0 1px 3px rgb(15 23 42 / 0.10);
  --shadow-lg: 0 16px 40px rgb(15 23 42 / 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #020617;
    --surface: #0f172a;
    --surface-soft: #111827;
    --surface-softer: #1e293b;
    --border: rgb(148 163 184 / 0.18);
    --border-strong: rgb(148 163 184 / 0.28);
    --text: #f8fafc;
    --muted: #94a3b8;
    --muted-strong: #cbd5e1;
    --accent: #818cf8;
    --accent-soft: rgb(99 102 241 / 0.16);
    --accent-text: #c7d2fe;
    --success-bg: rgb(22 101 52 / 0.22);
    --success-text: #86efac;
    --warning-bg: rgb(146 64 14 / 0.25);
    --warning-text: #fde68a;
    --danger-bg: rgb(153 27 27 / 0.25);
    --danger-text: #fecaca;
    --info-bg: rgb(29 78 216 / 0.22);
    --info-text: #bfdbfe;
    --shadow: none;
    --shadow-lg: none;
  }
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  min-height: 100vh;
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 12%, transparent), transparent 34rem),
    var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
a:hover { text-decoration: none; }
img { max-width: 100%; }

.app-shell { min-height: 100vh; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 20;
  width: 18rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  padding: 1.5rem;
  backdrop-filter: blur(18px);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: .875rem;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 1.25rem;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}
.brand-title { font-weight: 700; letter-spacing: -0.025em; }
.brand-subtitle { color: var(--muted); font-size: .8125rem; margin-top: .125rem; }
.sidebar-section-label {
  margin: .5rem 0 .375rem;
  padding: 0 .5rem;
  color: var(--muted);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.sidebar-nav { display: flex; flex-direction: column; gap: .25rem; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  border-radius: .625rem;
  padding: .625rem .75rem;
  color: var(--muted-strong);
  font-size: .9375rem;
  font-weight: 650;
  text-decoration: none;
  transition: background .15s ease, color .15s ease, transform .15s ease;
}
.sidebar-link:hover { background: var(--surface-soft); color: var(--text); transform: translateX(1px); }
.sidebar-link.active { background: var(--accent-soft); color: var(--accent-text); }
.sidebar-icon { width: 1.5rem; text-align: center; font-size: 1.1rem; }
.sidebar-footer {
  margin-top: auto;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: .875rem;
  background: var(--surface-softer);
  color: var(--muted);
  font-size: .8125rem;
  line-height: 1.4;
}
.mobile-topbar { display: none; }
.content-shell {
  min-height: 100vh;
  padding: 3rem clamp(1rem, 3vw, 3rem) 4rem 21rem;
}
.page-wrap { width: min(100%, 72rem); }
.page-wrap.narrow { max-width: 44rem; }
.page-wrap.reading { max-width: 52rem; }
.page-kicker { color: var(--accent-text); font-size: .8125rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 .625rem; }
h1 { margin: 0; font-size: clamp(2rem, 5vw, 4rem); line-height: .98; letter-spacing: -0.06em; }
h2 { margin: 2rem 0 .875rem; font-size: 1.15rem; line-height: 1.2; letter-spacing: -0.025em; }
h3 { color: var(--text) !important; }
p { color: var(--muted-strong); line-height: 1.65; }
.subtitle, .meta { color: var(--muted); }
.subtitle { margin: .75rem 0 2rem; font-size: 1rem; }

.apps, .cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.app, .card, .house-pick, .rental-link, .guest, .activity, .overview, .criteria-box, .note, .intel-card, .day {
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  box-shadow: var(--shadow);
}
.app {
  display: block;
  min-height: 10rem;
  border-radius: 1.25rem;
  padding: 1.5rem;
  text-decoration: none;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.app:hover, .house-pick:hover, .rental-link:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: var(--surface);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}
.app .icon { font-size: 2rem; margin-bottom: .75rem; }
.app h2 { margin: 0 0 .375rem; font-size: 1.05rem; }
.app p { margin: 0; color: var(--muted); font-size: .9rem; }

.overview { border-radius: 1.25rem; padding: 1.25rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.overview-item .label { color: var(--muted); font-size: .75rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; margin-bottom: .25rem; }
.overview-item .value { font-weight: 700; }
.criteria { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; margin: .75rem 0 1rem; }
.criteria-box { border-radius: 1rem; padding: 1rem; }
.criteria-box.must { background: color-mix(in srgb, var(--info-bg) 45%, var(--surface)); }
.criteria-box.nice { background: var(--surface-softer); }
.criteria-box .label { font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; margin-bottom: .5rem; color: var(--muted-strong) !important; }
ul { color: var(--muted-strong); }
.house-picks, .guests, .activities { display: flex; flex-direction: column; gap: .75rem; }
.house-pick { border-radius: 1.125rem; padding: 1rem; text-decoration: none; display: block; color: inherit; }
.house-pick.top { border-color: color-mix(in srgb, #22c55e 35%, var(--border)); background: color-mix(in srgb, var(--success-bg) 32%, var(--surface)); }
.house-pick img { width: 100%; height: 13rem; object-fit: cover; border-radius: .875rem; margin-bottom: .875rem; display: block; }
.pick-header { display: flex; justify-content: space-between; align-items: flex-start; gap: .75rem; margin-bottom: .5rem; }
.pick-name, .name { font-weight: 750; color: var(--text); }
.pick-price { color: var(--muted-strong); font-size: .875rem; font-weight: 700; white-space: nowrap; }
.pick-tags { display: flex; flex-wrap: wrap; gap: .375rem; margin: .5rem 0; }
.pick-tag, .pill, .guest-status, .badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  padding: .1875rem .625rem;
  background: var(--surface-soft) !important;
  color: var(--muted-strong) !important;
  font-size: .75rem;
  font-weight: 750;
}
.pick-tag.green, .done, .confirmed, .badge { background: var(--success-bg) !important; color: var(--success-text) !important; }
.pick-tag.blue, .badge.secondary { background: var(--info-bg) !important; color: var(--info-text) !important; }
.tbd, .invited, .badge.watch, .pick-tag.warning { background: var(--warning-bg) !important; color: var(--warning-text) !important; }
.pick-tag.danger { background: var(--danger-bg) !important; color: var(--danger-text) !important; }
.pick-desc, .detail, .card .meta, .card p, .activity .detail, .guest .detail { color: var(--muted-strong); }
.rental-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; margin-top: .75rem; }
.rental-link { border-radius: 1rem; padding: 1rem; text-decoration: none; color: inherit; display: flex; gap: .75rem; align-items: center; }
.note { border-radius: 1rem; padding: 1rem; background: color-mix(in srgb, var(--warning-bg) 45%, var(--surface)); color: var(--warning-text); }
.note p { color: var(--warning-text); }
.card { border-radius: 1rem; padding: 1.25rem; margin-bottom: .75rem; }
.card h3 { margin: 0 0 .25rem; font-size: 1rem; }
a.link { color: var(--accent-text); font-weight: 700; }
.quick-list { line-height: 1.65; }
.packing-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1.5rem; }
.packing-item { display: flex; gap: .5rem; padding: .5rem 0; border-bottom: 1px solid var(--border); color: var(--muted-strong); }
input[type="checkbox"] { accent-color: var(--accent); }
.back, .ios-back { display: none !important; }

.content-shell.reading .page-wrap { max-width: 52rem; }
.schedule-shell .page-wrap { width: min(100%, 76rem); }
.schedule-grid { display: grid; grid-template-columns: minmax(0, 1fr) 22rem; gap: 1.25rem; align-items: start; margin-top: 1.5rem; }
.calendar-list { min-width: 0; }
.intel-card { position: sticky; top: 1.5rem; order: 2; border-radius: 1.25rem; padding: 1.125rem; max-height: calc(100vh - 3rem); overflow: auto; }
.intel-card h2 { margin-top: 0; }
.intel-note { color: var(--muted); margin: 0 0 .75rem; font-size: .9rem; }
.intel-card ul { margin: 0; padding-left: 1.1rem; }
.intel-card li { margin: .75rem 0; }
.intel-card p { margin: .25rem 0 0; font-size: .92rem; }
.day { border-radius: 1.25rem; padding: 1rem; margin-bottom: 1rem; }
.day h2 { margin: 0 0 .5rem; }
.events { list-style: none; padding: 0; margin: 0; }
.events li { display: grid; grid-template-columns: 8.75rem 1fr; gap: .875rem; padding: .875rem 0; border-top: 1px solid var(--border); }
.events li:first-child { border-top: 0; }
.time { color: var(--muted); font-size: .9rem; font-weight: 700; }
.details strong { display: block; margin-bottom: .1875rem; color: var(--text); }
.details span, .location { display: block; color: var(--muted); font-size: .9rem; }
.empty { color: var(--muted); }

@media (max-width: 1023px) {
  .sidebar { display: none; }
  .mobile-topbar {
    display: flex;
    position: sticky;
    top: 0;
    z-index: 30;
    align-items: center;
    gap: .75rem;
    overflow-x: auto;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    padding: .75rem 1rem;
    backdrop-filter: blur(18px);
  }
  .mobile-title { flex: 0 0 auto; font-weight: 800; margin-right: .25rem; }
  .mobile-link { flex: 0 0 auto; border-radius: 999px; padding: .45rem .7rem; color: var(--muted-strong); background: var(--surface-softer); font-size: .875rem; font-weight: 700; text-decoration: none; }
  .mobile-link.active { background: var(--accent-soft); color: var(--accent-text); }
  .content-shell { padding: 2rem 1rem 4rem; }
  .schedule-grid { grid-template-columns: 1fr; }
  .intel-card { position: static; max-height: none; order: -1; }
}
@media (max-width: 640px) {
  .apps, .cards-grid, .overview, .criteria, .rental-links, .packing-cols { grid-template-columns: 1fr; }
  .events li { grid-template-columns: 1fr; gap: .25rem; }
  .pick-header { display: block; }
  .pick-price { margin-top: .25rem; }
}