:root {
  --bg: #f6f7f9; --card: #fff; --text: #1b1f24; --muted: #68707c; --line: #e3e6ea;
  --accent: #2563eb; --accent-soft: #e8efff; --ok: #15803d; --ok-soft: #e7f6ec;
  --warn: #b45309; --warn-soft: #fdf3e2; --bad: #b91c1c; --bad-soft: #fdeaea; --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1115; --card: #171a21; --text: #e7e9ee; --muted: #9aa1ad; --line: #2a2f39;
    --accent: #6b9bff; --accent-soft: #1c2740; --ok: #4ade80; --ok-soft: #14291c;
    --warn: #fbbf24; --warn-soft: #2d2410; --bad: #f87171; --bad-soft: #321718; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
.wrap { max-width: 860px; margin: 0 auto; padding: 16px 16px 96px; }
h1 { font-size: 1.35rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }
h3 { font-size: 1rem; margin: 0 0 8px; }
p { margin: 0 0 8px; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }

.progress { min-width: 220px; flex: 1; max-width: 340px; }
.progress .bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
.progress .bar { position: relative; }
.progress .bar > div { position: absolute; inset: 0 auto 0 0; height: 100%; }
.progress .bar > .joined { background: var(--accent-soft); }
.progress .bar > .complete { background: var(--accent); }
.progress-btn { display: block; width: 100%; text-align: left; font: inherit; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; cursor: pointer; }
.progress-btn:hover { border-color: var(--accent); }
.progress-btn .hint { margin-top: 4px; font-size: .75rem; }
.howto summary { cursor: pointer; }
.howto-body { margin-top: 12px; }
.howto-body ul { margin: 0 0 8px; padding-left: 20px; }
.howto-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin-top: 8px; }
.howto-grid > div { background: var(--bg); border-radius: 10px; padding: 12px; }
.progress .label { display: flex; justify-content: space-between; font-size: .85rem; margin-bottom: 4px; }
.progress .label b { font-size: 1rem; }

.tabs { display: flex; gap: 4px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px; margin-bottom: 16px; }
.tabs button { flex: 1; border: 0; background: none; padding: 9px; border-radius: 9px; font: inherit; color: var(--muted); cursor: pointer; }
.tabs button.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.me td { background: var(--accent-soft); font-weight: 600; }
tr.none td { color: var(--bad); }

input[type=text], input[type=number], input[type=password], select, textarea {
  font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%;
}
textarea { min-height: 120px; font-family: ui-monospace, monospace; font-size: .85rem; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
select.grade { width: 72px; }
label.check { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; white-space: nowrap; }
label.check input { width: 18px; height: 18px; }

.btn { font: inherit; border: 1px solid var(--line); background: var(--card); color: var(--text); padding: 8px 14px; border-radius: 8px; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.danger { color: var(--bad); }
.btn.sm { padding: 3px 9px; font-size: .85rem; }
.btn:disabled { opacity: .5; cursor: default; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }

.savebar { position: fixed; left: 0; right: 0; bottom: 0; background: var(--card); border-top: 1px solid var(--line); padding: 10px 16px; }
.savebar .inner { max-width: 860px; margin: 0 auto; display: flex; align-items: center; gap: 12px; }

.big { font-size: 1.9rem; font-weight: 700; line-height: 1.1; font-variant-numeric: tabular-nums; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.kpi { background: var(--bg); border-radius: 10px; padding: 12px; }
.kpi .label { font-size: .8rem; color: var(--muted); }

.banner { border-radius: 10px; padding: 12px 14px; margin-bottom: 12px; }
.banner.ok { background: var(--ok-soft); color: var(--ok); }
.banner.warn { background: var(--warn-soft); color: var(--warn); }
.banner.bad { background: var(--bad-soft); color: var(--bad); }
.banner.info { background: var(--accent-soft); color: var(--accent); }

.wishlist { list-style: none; padding: 0; margin: 0 0 12px; counter-reset: w; }
.wishlist li { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 6px; background: var(--bg); }
.wishlist li::before { counter-increment: w; content: counter(w); font-weight: 700; width: 22px; height: 22px; border-radius: 99px; background: var(--accent); color: #fff; display: grid; place-items: center; font-size: .8rem; flex: none; }
.wishlist .name { flex: 1; min-width: 0; }
.pool { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 6px; }
.pool button { text-align: left; border: 1px dashed var(--line); background: none; color: var(--text); border-radius: 8px; padding: 8px 10px; font: inherit; cursor: pointer; }
.pool button:hover:not(:disabled) { border-color: var(--accent); border-style: solid; }
.pool button:disabled { opacity: .45; cursor: default; }

.tag { display: inline-block; font-size: .75rem; padding: 1px 7px; border-radius: 99px; background: var(--bg); border: 1px solid var(--line); color: var(--muted); }
.tag.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.tag.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.tag.bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }

.unis { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.uni { border: 1px solid var(--line); border-radius: 10px; padding: 12px; background: var(--bg); }
.uni .seats { display: flex; gap: 4px; margin: 8px 0; flex-wrap: wrap; }
.uni .seat { font-size: .8rem; padding: 2px 8px; border-radius: 6px; background: var(--card); border: 1px solid var(--line); }
.uni .seat.taken { background: var(--accent-soft); border-color: transparent; }
.uni .seat.me { background: var(--accent); color: #fff; }
.uni .seat.free { color: var(--ok); border-style: dashed; }
.toast { position: fixed; top: 16px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; z-index: 10; font-size: .9rem; }
.overflow { overflow-x: auto; }
code { font-size: .85em; background: var(--bg); padding: 1px 5px; border-radius: 5px; }