:root{
  --bg:#EDEEE9; --surface:#FFFFFF; --surface-2:#F5F6F1;
  --ink:#1C2321; --ink-dim:#5B6460;
  --accent:#E08A2D; --accent-ink:#7A4713;
  --line:#D8D9D1;
  --good:#3F7D4F; --good-soft:#DFEEE1;
  --warn:#C77B12; --warn-soft:#F7E4C4;
  --danger:#B23A2E; --danger-soft:#F5DCD8;
  --chip-bg:#F1EDE0;
  --shadow:0 1px 2px rgba(28,35,33,.06), 0 4px 14px rgba(28,35,33,.05);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#14181A; --surface:#1B2124; --surface-2:#20272A;
    --ink:#EDEFEA; --ink-dim:#9AA5A1;
    --accent:#F0A63F; --accent-ink:#3A2405;
    --line:#2D3538;
    --good:#5FBE79; --good-soft:#1E2E22;
    --warn:#E2A13B; --warn-soft:#332714;
    --danger:#E2685A; --danger-soft:#3A2220;
    --chip-bg:#232B2E;
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 4px 18px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#14181A; --surface:#1B2124; --surface-2:#20272A;
  --ink:#EDEFEA; --ink-dim:#9AA5A1;
  --accent:#F0A63F; --accent-ink:#3A2405;
  --line:#2D3538;
  --good:#5FBE79; --good-soft:#1E2E22;
  --warn:#E2A13B; --warn-soft:#332714;
  --danger:#E2685A; --danger-soft:#3A2220;
  --chip-bg:#232B2E;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 4px 18px rgba(0,0,0,.35);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg); color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
.display{
  font-family:"Archivo Narrow","Arial Narrow",system-ui,sans-serif;
  font-weight:700; text-transform:uppercase; letter-spacing:.04em;
}
.mono{font-family:ui-monospace,"SF Mono","Roboto Mono",Consolas,monospace; font-variant-numeric:tabular-nums;}
.ua{display:block;} .en{display:block;color:var(--ink-dim);font-size:.82em;font-style:italic;}
a{color:inherit;}

header{
  position:sticky; top:0; z-index:5; background:var(--surface);
  border-bottom:1px solid var(--line); box-shadow:var(--shadow);
}
.header-inner{max-width:1040px;margin:0 auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.header-inner h1{margin:0;font-size:1.3rem;}
.header-inner .sub{color:var(--ink-dim);font-size:.8rem;}
nav.tabs{display:flex;gap:8px;}
nav.tabs a{
  padding:6px 14px;border-radius:999px;font-size:.82rem;font-weight:600;
  background:var(--chip-bg);color:var(--ink-dim);text-decoration:none;
}
nav.tabs a.active{background:var(--accent);color:#fff;}

main{max-width:1040px;margin:0 auto;padding:22px 20px 60px;}

.card{
  background:var(--surface); border:1px solid var(--line); border-radius:12px;
  padding:16px; box-shadow:var(--shadow); margin-bottom:16px;
}

.chip{
  display:inline-flex;align-items:center;gap:5px;font-size:.72rem;font-weight:600;
  padding:3px 9px;border-radius:999px;background:var(--chip-bg);color:var(--ink-dim);white-space:nowrap;
}
.chip.good{background:var(--good-soft);color:var(--good);}
.chip.warn{background:var(--warn-soft);color:var(--warn);}
.chip.danger{background:var(--danger-soft);color:var(--danger);}

button{
  font:inherit;cursor:pointer;border-radius:8px;border:1px solid var(--line);
  background:var(--surface-2);color:var(--ink);padding:7px 12px;font-size:.85rem;font-weight:600;
}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff;}
button.danger{background:var(--danger-soft);border-color:var(--danger);color:var(--danger);}
button:disabled{opacity:.5;cursor:not-allowed;}

input[type="text"], input[type="date"], input[type="number"], select, textarea{
  font:inherit;background:var(--surface-2);border:1px solid var(--line);border-radius:6px;
  padding:6px 9px;color:var(--ink);width:100%;
}

table{width:100%;border-collapse:collapse;font-size:.88rem;}
td,th{padding:7px 6px;border-top:1px solid var(--line);text-align:left;vertical-align:middle;}
th{font-size:.72rem;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-dim);}
tr:first-child td{border-top:none;}

.task-row.done{opacity:.55;}
.task-row.done .task-title{text-decoration:line-through;}

.pill-toggle{display:flex;gap:6px;flex-wrap:wrap;}
.pill-toggle button{padding:4px 10px;font-size:.75rem;}
.pill-toggle button.on{background:var(--good-soft);border-color:var(--good);color:var(--good);}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media (max-width:600px){.grid-2{grid-template-columns:1fr;}}

.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:20;
}
.overlay .box{background:var(--surface);border-radius:12px;padding:20px;max-width:320px;width:90%;box-shadow:var(--shadow);}
.hidden{display:none !important;}

details.collapsible summary{cursor:pointer;list-style:none;display:flex;align-items:center;}
details.collapsible summary::-webkit-details-marker{display:none;}
details.collapsible summary::before{content:'▸';margin-right:8px;color:var(--ink-dim);font-size:1rem;}
details.collapsible[open] summary::before{content:'▾';}

.section-title{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:8px;}
.section-title h2{margin:0;font-size:1.05rem;}
.small{font-size:.75rem;color:var(--ink-dim);}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.overflow{overflow-x:auto;}

/* ================= mobile app (team view) ================= */
body.mobile-app{
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
body.mobile-app .app-header{
  position:sticky;top:0;z-index:5;background:var(--surface);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;
}
body.mobile-app .app-header h1{margin:0;font-size:1.25rem;}
body.mobile-app .gear-link{
  font-size:1.4rem;text-decoration:none;color:var(--ink-dim);
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
}
body.mobile-app main{
  max-width:560px;margin:0 auto;width:100%;padding:14px 14px 90px;flex:1;
}
body.mobile-app .view.hidden{display:none;}

.chip-scroll{
  display:flex;gap:8px;overflow-x:auto;padding-bottom:10px;margin-bottom:6px;
  -webkit-overflow-scrolling:touch;
}
.chip-scroll button{
  flex:0 0 auto;border-radius:999px;padding:8px 16px;font-size:.85rem;
  background:var(--chip-bg);border:1px solid var(--line);color:var(--ink-dim);
}
.chip-scroll button.active{background:var(--accent);border-color:var(--accent);color:#fff;}

.task-card{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:16px;margin-bottom:12px;box-shadow:var(--shadow);
}
.task-card .task-title-ua{font-size:1.05rem;font-weight:700;display:block;}
.task-card .task-title-en{font-size:.85rem;color:var(--ink-dim);font-style:italic;display:block;margin-bottom:8px;}
.task-card .task-meta{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px;}
.task-card.is-done{opacity:.6;}
.task-card.is-done .task-title-ua{text-decoration:line-through;}

.big-btn{
  width:100%;min-height:52px;border-radius:12px;font-size:1rem;font-weight:700;
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.big-btn.primary{background:var(--good);border-color:var(--good);color:#fff;}
.big-btn.undo{background:var(--surface-2);color:var(--ink-dim);}

.code-entry{display:flex;gap:8px;align-items:center;}
.code-entry input{
  flex:0 0 110px;font-size:1.4rem;text-align:center;letter-spacing:.15em;
  text-transform:uppercase;font-family:ui-monospace,"SF Mono",Consolas,monospace;
  min-height:52px;border:2px solid var(--accent);border-radius:12px;
}
.code-entry button{min-height:52px;border-radius:12px;flex:1;font-size:1rem;}
.code-error{color:var(--danger);font-size:.85rem;margin-top:6px;font-weight:600;}
.code-cancel{background:none;border:none;color:var(--ink-dim);font-size:.8rem;text-decoration:underline;padding:8px 0 0;width:100%;min-height:0;}

.link-btn{
  display:block;width:100%;background:none;border:none;color:var(--ink-dim);
  text-decoration:underline;padding:10px 0;font-size:.85rem;min-height:44px;
}

.room-card{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;margin-bottom:10px;
}
.room-card summary{font-weight:700;cursor:pointer;min-height:32px;display:flex;align-items:center;list-style:none;}
.room-card summary::-webkit-details-marker{display:none;}
.room-card summary::before{content:'▸';margin-right:8px;color:var(--ink-dim);}
.room-card[open] summary::before{content:'▾';}
.guest-slot{border-top:1px solid var(--line);padding-top:8px;margin-top:8px;}
.guest-slot:first-of-type{border-top:none;margin-top:4px;}
.guest-slot .slot-label{font-size:.8rem;color:var(--ink-dim);margin-bottom:6px;}

.bottom-nav{
  position:fixed;bottom:0;left:0;right:0;z-index:10;
  background:var(--surface);border-top:1px solid var(--line);
  display:flex;padding-bottom:env(safe-area-inset-bottom);
}
.bottom-nav .nav-btn{
  flex:1;border:none;background:none;border-radius:0;
  display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:10px 0 8px;font-size:.72rem;color:var(--ink-dim);min-height:60px;
}
.bottom-nav .nav-btn .nav-icon{font-size:1.4rem;}
.bottom-nav .nav-btn.active{color:var(--accent);font-weight:700;}