/* Fallback palette for the plain web; Telegram's theme variables win inside the Mini App. */
:root {
  --_bg: #ffffff; --_bg2: #f2f3f8; --_text: #14161a; --_hint: #7c828c; --_accent: #5b5cf0;
  --_accent-text: #ffffff; --_danger: #e5484d; --_ok: #23a55a; --_line: rgba(0,0,0,.08);
  --warn: #e39b00; --gold: #f5b400; --silver: #a9b1bd; --bronze: #d38a4a;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --_bg: #1a1c22; --_bg2: #111216; --_text: #eceef1; --_hint: #8c929c; --_accent: #7c7dff;
          --_line: rgba(255,255,255,.08); }
}
:root {
  --bg: var(--tg-theme-bg-color, var(--_bg));
  --bg2: var(--tg-theme-secondary-bg-color, var(--_bg2));
  --card: var(--tg-theme-section-bg-color, var(--_bg));
  --text: var(--tg-theme-text-color, var(--_text));
  --hint: var(--tg-theme-hint-color, var(--_hint));
  --accent: var(--tg-theme-button-color, var(--_accent));
  --accent-text: var(--tg-theme-button-text-color, var(--_accent-text));
  --danger: var(--tg-theme-destructive-text-color, var(--_danger));
  --ok: var(--_ok);
  --line: var(--_line);
  --radius: 18px;
  --grad: linear-gradient(135deg, #5b5cf0 0%, #9b5cf6 52%, #ec5f9c 100%);
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 6px 20px rgba(20,20,60,.06);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg2); color: var(--text); }
body { font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
       min-height: 100dvh; overflow-x: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }
button { -webkit-user-select: none; user-select: none; }
a { color: var(--accent); }
#app { max-width: 720px; margin: 0 auto; padding: 0 16px calc(28px + env(safe-area-inset-bottom)); }

.center { min-height: 70dvh; display: grid; place-items: center; text-align: center; }
.logo { font-size: 64px; line-height: 1; margin-bottom: 4px; animation: pop .5s cubic-bezier(.2,1.6,.4,1) both; }
.spinner { width: 28px; height: 28px; border: 3px solid var(--line); border-top-color: var(--accent);
           border-radius: 50%; animation: spin .8s linear infinite; }
.spinner.inline { display: inline-block; width: 14px; height: 14px; border-width: 2px; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pop { from { transform: scale(.4); opacity: 0; } }
@keyframes rise { from { transform: translateY(10px); opacity: 0; } }

/* top bar */
.bar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 10px;
       margin: 0 -16px; padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
       background: color-mix(in srgb, var(--bg2) 88%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.bar .title { flex: 1; min-width: 0; }
.bar .title b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar .title small { color: var(--hint); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.icon-btn { border: 0; background: var(--card); width: 40px; height: 40px; border-radius: 12px; box-shadow: var(--shadow);
            display: grid; place-items: center; cursor: pointer; font-size: 18px; flex: none; text-decoration: none; color: var(--text); }
.icon-btn.sm { width: 32px; height: 32px; font-size: 14px; border-radius: 10px; box-shadow: none; background: var(--bg2); }
.icon-btn:active { transform: scale(.94); }
.tg .bar .back { display: none; } /* Telegram shows its own back button */

.card { background: var(--card); border-radius: var(--radius); padding: 16px; margin: 12px 0; box-shadow: var(--shadow); }
.muted { color: var(--hint); }
.small { font-size: 13px; }
h1 { font-size: 26px; margin: 12px 0 4px; letter-spacing: -.02em; }
h2 { font-size: 17px; margin: 0 0 8px; letter-spacing: -.01em; }
.sec-head { display: flex; justify-content: space-between; align-items: baseline; margin: 24px 2px 0; }
.sec-head h2 { margin: 0; font-size: 19px; }
.sec-head a { text-decoration: none; font-weight: 600; }

.btn { border: 0; border-radius: 14px; padding: 12px 16px; min-height: 50px; cursor: pointer;
       background: var(--card); font-weight: 650; display: inline-flex; align-items: center;
       justify-content: center; gap: 6px; text-decoration: none; color: var(--text); box-shadow: var(--shadow);
       transition: transform .12s, background .2s, opacity .2s; }
.btn:active:not(:disabled) { transform: scale(.97); }
.btn.primary { background: var(--accent); color: var(--accent-text); }
.btn.primary.accept { background: var(--ok); color: #fff; }
.btn.primary.locked { background: color-mix(in srgb, var(--accent) 22%, var(--card)); color: var(--text); }
.btn.danger { color: var(--danger); }
.btn.sm { min-height: 36px; padding: 6px 12px; font-size: 14px; border-radius: 10px; background: var(--bg2); box-shadow: none; }
.btn:disabled { opacity: .45; cursor: default; }
.btn.block { width: 100%; }
.btn.go { background: var(--grad); color: #fff; font-size: 17px; min-height: 56px; margin-top: 14px;
          box-shadow: 0 8px 24px rgba(124,92,246,.35); }
.btn.go span { width: 28px; height: 28px; border-radius: 50%; background: rgba(255,255,255,.22); display: grid; place-items: center; font-size: 13px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }
.linkish { border: 0; background: none; color: var(--accent); cursor: pointer; padding: 4px 0; font-size: 13px; font-weight: 600; }

.progress { height: 8px; background: var(--bg2); border-radius: 99px; overflow: hidden; }
.progress > i { display: block; height: 100%; background: var(--grad); border-radius: 99px; transition: width .5s cubic-bezier(.2,.8,.2,1); }
.progress.thin { height: 3px; margin: 0 -16px; border-radius: 0; background: var(--line); }
.mini-bar { height: 4px; background: var(--bg2); border-radius: 99px; overflow: hidden; margin: 6px 0 2px; }
.mini-bar > i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }

.badge { font-size: 12px; padding: 3px 9px; border-radius: 99px; background: var(--bg2); color: var(--hint); white-space: nowrap; font-weight: 600; }
.badge.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); }
.badge.acc { color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.badge.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.badge.err { color: var(--danger); background: color-mix(in srgb, var(--danger) 14%, transparent); }

.avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--grad); color: #fff;
          display: grid; place-items: center; font-weight: 700; flex: none; overflow: hidden; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar.sm { width: 32px; height: 32px; font-size: 13px; }
.avatar.lg { width: 80px; height: 80px; font-size: 30px; }

/* progress rings */
.ring { position: relative; flex: none; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); display: block; }
.ring circle { fill: none; stroke-linecap: round; }
.ring .track { stroke: rgba(255,255,255,.22); }
.ring .fill { stroke: #fff; transition: stroke-dashoffset 1s cubic-bezier(.2,.8,.2,1); }
.ring-in { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; line-height: 1; }
.ring.lvl b { font-size: 28px; }
.ring.lvl small { font-size: 9px; letter-spacing: .12em; opacity: .85; margin-top: 3px; }
.ring.goal .ring-in { font-size: 15px; }

/* home hero */
.hero { background: var(--grad); color: #fff; border-radius: 24px; padding: 18px; margin-top: 8px;
        box-shadow: 0 12px 32px rgba(124,92,246,.30); position: relative; overflow: hidden; animation: rise .35s both; }
.hero::after { content: ""; position: absolute; width: 220px; height: 220px; right: -70px; top: -90px; border-radius: 50%;
               background: radial-gradient(circle, rgba(255,255,255,.25), transparent 70%); pointer-events: none; }
.hero-top { display: flex; gap: 16px; align-items: center; }
.hero-main { flex: 1; min-width: 0; }
.lvl-name { font-size: 22px; font-weight: 800; letter-spacing: -.02em; }
.xp { height: 10px; border-radius: 99px; background: rgba(255,255,255,.22); overflow: hidden; margin: 8px 0 6px; }
.xp i { display: block; height: 100%; background: #fff; border-radius: 99px; transition: width 1s cubic-bezier(.2,.8,.2,1); }
.xp-text { font-size: 13px; opacity: .9; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 16px; }
.hs { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.14); border-radius: 14px; padding: 10px;
      color: #fff; text-decoration: none; min-width: 0; }
.hs b { display: block; font-size: 18px; line-height: 1.1; font-variant-numeric: tabular-nums; white-space: nowrap; }
.hs b span { font-size: 12px; opacity: .75; font-weight: 600; }
.hs small { font-size: 11px; opacity: .85; white-space: nowrap; }
.hs .ring .track { stroke: rgba(255,255,255,.25); }
.flame { font-size: 26px; filter: grayscale(1) opacity(.6); }
.flame.on { filter: none; animation: flicker 1.6s ease-in-out infinite; }
.big-ico { font-size: 24px; }
@keyframes flicker { 50% { transform: scale(1.12) rotate(-4deg); } }
@media (max-width: 400px) {
  .hero-stats { gap: 6px; } .hs { flex-direction: column; text-align: center; gap: 4px; padding: 8px 4px; }
}

/* dataset cards */
.ds { display: block; text-decoration: none; color: inherit; cursor: pointer; transition: transform .12s; animation: rise .35s both; }
.ds:active { transform: scale(.985); }
.ds-head { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.ds-head b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-head small { color: var(--hint); font-size: 13px; }
.task-ico { width: 44px; height: 44px; flex: none; border-radius: 14px; display: grid; place-items: center; font-size: 22px;
            background: color-mix(in srgb, var(--accent) 13%, var(--card)); }
.task-ico.sm { width: 32px; height: 32px; font-size: 16px; border-radius: 10px; }
.me-n { color: var(--text); }

/* badges */
.badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 10px; margin-top: 12px; }
.bdg { background: var(--card); border-radius: 16px; padding: 12px 10px; text-align: center; box-shadow: var(--shadow); }
.bdg-ico { font-size: 30px; filter: grayscale(1) opacity(.35); line-height: 1.2; }
.bdg b { display: block; font-size: 13px; margin-top: 4px; }
.bdg small { display: block; font-size: 11px; color: var(--hint); line-height: 1.3; margin-top: 2px; }
.bdg:not(.on) b { color: var(--hint); }
.bdg.on .bdg-ico { filter: none; animation: pop .5s cubic-bezier(.2,1.6,.4,1) both; }
.bdg.on { background: linear-gradient(var(--card), var(--card)) padding-box, var(--grad) border-box; border: 2px solid transparent; }
.totals { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 24px; text-align: center; }
.totals div { background: var(--card); border-radius: 14px; padding: 12px 4px; box-shadow: var(--shadow); }
.totals b { display: block; font-size: 18px; font-variant-numeric: tabular-nums; }
.totals small { color: var(--hint); font-size: 12px; }

/* leaderboard */
.board-mini { display: block; text-decoration: none; color: inherit; padding: 6px 16px; }
.lb-row { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.lb-row:last-child { border-bottom: 0; }
.lb-row .rank { width: 26px; text-align: center; font-weight: 700; color: var(--hint); font-variant-numeric: tabular-nums; }
.lb-row .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-row .name small { display: block; color: var(--hint); font-size: 12px; }
.lb-row b { font-variant-numeric: tabular-nums; }
.lb-row.me { background: color-mix(in srgb, var(--accent) 12%, transparent); margin: 0 -10px; padding: 10px; border-radius: 12px; border-bottom-color: transparent; }
.lb { padding: 6px 16px; }
.podium { display: grid; grid-template-columns: repeat(3, 1fr); align-items: end; gap: 8px; margin-top: 28px; }
.pod { text-align: center; position: relative; animation: rise .5s both; min-width: 0; }
.pod.p1 { animation-delay: .1s; } .pod.p3 { animation-delay: .2s; }
.pod .pod-av { width: 56px; height: 56px; margin: 0 auto; font-size: 22px; border: 3px solid var(--card); box-shadow: var(--shadow); }
.pod.p1 .pod-av { width: 72px; height: 72px; border-color: var(--gold); }
.pod.p2 .pod-av { border-color: var(--silver); } .pod.p3 .pod-av { border-color: var(--bronze); }
.pod.me .pod-name { color: var(--accent); }
.crown { font-size: 26px; position: absolute; left: 50%; top: -24px; transform: translateX(-50%) rotate(-8deg); }
.pod-name { font-weight: 700; font-size: 14px; margin-top: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pod-pts { font-size: 13px; color: var(--hint); font-variant-numeric: tabular-nums; }
.pod-block { margin-top: 8px; border-radius: 14px 14px 4px 4px; display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 26px; }
.p1 .pod-block { height: 96px; background: linear-gradient(var(--gold), #e08a00); }
.p2 .pod-block { height: 70px; background: linear-gradient(var(--silver), #7f8893); }
.p3 .pod-block { height: 52px; background: linear-gradient(var(--bronze), #a55f26); }
.lb-me { position: sticky; bottom: calc(10px + env(safe-area-inset-bottom)); display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
         background: var(--grad); color: #fff; border-radius: 16px; padding: 12px 16px; box-shadow: 0 8px 24px rgba(124,92,246,.35); }
.lb-me small { flex-basis: 100%; opacity: .85; }

/* annotate */
.sess { display: flex; align-items: baseline; gap: 4px; background: var(--card); border-radius: 12px; padding: 0 12px; height: 40px; box-shadow: var(--shadow); }
.sess { align-items: center; }
.sess b { font-size: 17px; font-variant-numeric: tabular-nums; }
.sess small { color: var(--hint); font-size: 12px; }
.sess #combo:not(:empty) { color: var(--warn); font-weight: 800; font-size: 13px; margin-right: 4px; }
.player { padding: 14px; }
.wave { width: 100%; height: 76px; display: block; cursor: pointer; touch-action: none; }
.listen { margin-top: 10px; display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--hint); }
.listen-bar { flex: 1; height: 6px; background: var(--bg2); border-radius: 99px; position: relative; overflow: hidden; }
.listen-bar i { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--warn); border-radius: 99px; transition: width .25s; }
.listen-bar .mark { display: none; }
.listen.done { color: var(--ok); font-weight: 600; }
.listen.done .listen-bar i { width: 100% !important; background: var(--ok); }
.listen #listen-text { white-space: nowrap; }
.controls { display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: 8px; margin-top: 12px; }
.play { width: 64px; height: 64px; border-radius: 50%; border: 0; background: var(--grad); color: #fff; cursor: pointer;
        display: grid; place-items: center; box-shadow: 0 6px 18px rgba(124,92,246,.4); transition: transform .12s; }
.play:active { transform: scale(.92); }
.play.on { animation: pulse 1.6s ease-in-out infinite; }
.play svg { width: 28px; height: 28px; fill: currentColor; }
@keyframes pulse { 50% { box-shadow: 0 6px 26px rgba(236,95,156,.55); } }
.chip { border: 0; background: var(--bg2); border-radius: 99px; padding: 8px 14px; min-width: 64px;
        cursor: pointer; font-weight: 650; font-variant-numeric: tabular-nums; }
.time { text-align: center; color: var(--hint); font-size: 13px; font-variant-numeric: tabular-nums; }

.editor { position: relative; }
textarea.text { width: 100%; min-height: 120px; resize: none; border: 2px solid transparent; outline: 0; box-shadow: var(--shadow);
                background: var(--card); border-radius: var(--radius); padding: 14px; font-size: 18px; line-height: 1.5; display: block; }
textarea.text:focus { border-color: var(--accent); }
.edit-meta { display: flex; justify-content: space-between; align-items: center; min-height: 34px; font-size: 13px; color: var(--hint); padding: 0 4px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.dot.ok { background: var(--ok); } .dot.acc { background: var(--accent); }
.orig { font-size: 14px; color: var(--hint); background: var(--card); border-radius: 12px; padding: 10px 12px; margin-top: 4px; white-space: pre-wrap; }
.palette { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.tag-btn { --tc: var(--accent); border: 1.5px solid color-mix(in srgb, var(--tc) 55%, transparent); border-radius: 99px; padding: 7px 12px;
           background: color-mix(in srgb, var(--tc) 12%, var(--card)); cursor: pointer; font-weight: 650; font-size: 14px; transition: transform .1s; }
.tag-btn:active { transform: scale(.93); }
.tag-btn.rm { border-style: dashed; color: var(--danger); background: var(--card); }
.preview { margin-top: 10px; background: var(--card); border-radius: 14px; padding: 12px 14px; line-height: 2; white-space: pre-wrap; word-break: break-word; box-shadow: var(--shadow); }
.pill { --tc: var(--accent); border: 0; border-radius: 99px; padding: 2px 10px; margin: 0 2px; cursor: pointer; font-size: 14px; font-weight: 650;
        background: color-mix(in srgb, var(--tc) 18%, var(--card)); color: var(--text); white-space: nowrap; }
.pill b { margin-left: 4px; opacity: .55; }
.pill.unknown { outline: 1.5px dashed var(--danger); }

.task-card { padding: 14px; }
.task-q { font-weight: 700; margin-bottom: 10px; }
.task-q small { color: var(--hint); font-weight: 500; }
.center-q { text-align: center; font-size: 18px; margin: 16px 0 4px; }
.verify-text .vt { font-size: 20px; line-height: 1.5; white-space: pre-wrap; }
.verdicts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.verdict { border: 0; border-radius: 20px; padding: 18px 10px; font-size: 18px; font-weight: 750; cursor: pointer; position: relative;
           display: flex; flex-direction: column; align-items: center; gap: 4px; box-shadow: var(--shadow); transition: transform .12s, box-shadow .2s; }
.verdict .vi { font-size: 34px; line-height: 1; }
.verdict kbd { position: absolute; top: 8px; right: 10px; font: 11px ui-monospace, monospace; opacity: .55; }
.verdict.yes { background: color-mix(in srgb, var(--ok) 16%, var(--card)); color: var(--ok); }
.verdict.no { background: color-mix(in srgb, var(--danger) 13%, var(--card)); color: var(--danger); }
.verdict:active, .big-opt:active { transform: scale(.96); }
.verdict.picked { box-shadow: 0 0 0 3px currentColor; }
.big-opts { display: grid; gap: 10px; margin-top: 12px; }
.big-opt { border: 2px solid transparent; background: var(--card); border-radius: 18px; padding: 16px; display: flex; align-items: center; gap: 12px;
           cursor: pointer; text-align: left; font-size: 17px; font-weight: 650; box-shadow: var(--shadow); transition: transform .12s, border-color .2s; }
.big-opt .k { width: 26px; height: 26px; border-radius: 8px; background: var(--bg2); display: grid; place-items: center; font-size: 13px; color: var(--hint); flex: none; }
.big-opt .oi { font-size: 26px; }
.big-opt.picked { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, var(--card)); }
details.ctx { margin-top: 12px; font-size: 14px; color: var(--hint); }
details.ctx summary { cursor: pointer; }
details.ctx div { margin-top: 6px; white-space: pre-wrap; }
.opt-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.opt-chip { border: 2px solid var(--line); background: var(--bg2); border-radius: 99px; padding: 8px 14px; cursor: pointer; font-weight: 650; transition: transform .1s; }
.opt-chip kbd { font: 11px ui-monospace, monospace; color: var(--hint); margin-right: 6px; }
.opt-chip.picked { border-color: var(--accent); background: var(--accent); color: var(--accent-text); }
.opt-chip.picked kbd { color: inherit; opacity: .7; }
.opt-chip:active { transform: scale(.94); }
@media (pointer: coarse) { .opt-chip kbd, .verdict kbd, .big-opt .k { display: none; } }
.words { font-size: 19px; line-height: 2.6; word-break: break-word; }
.w { --tc: var(--accent); display: inline-block; position: relative; padding: 0 4px; border-radius: 8px; cursor: pointer; line-height: 1.6; transition: background .15s; }
.w:hover { background: var(--bg2); }
.w.tagged { background: color-mix(in srgb, var(--tc) 18%, transparent); box-shadow: inset 0 -2px 0 var(--tc); }
.w.multi { box-shadow: inset 0 -2px 0 var(--tc), inset 0 -5px 0 color-mix(in srgb, var(--tc) 40%, transparent); }
.w.sel { background: var(--accent); color: var(--accent-text); box-shadow: none; }
.tls { position: absolute; left: 0; top: -15px; display: flex; gap: 2px; pointer-events: none; }
.tl { --tc: var(--accent); font-size: 10px; line-height: 1; padding: 2px 5px; border-radius: 6px; background: var(--tc); color: #fff; font-weight: 700; white-space: nowrap; }
.tl.unknown { background: var(--danger); }
.tagbar { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); min-height: 40px; }
.sel-text { font-size: 14px; color: var(--hint); margin-bottom: 8px; }

.actions { display: grid; grid-template-columns: 1fr 1fr 2fr; gap: 8px; position: sticky; bottom: 0; z-index: 4;
           margin: 12px -16px 0; padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
           background: color-mix(in srgb, var(--bg2) 90%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.actions.two, .tg .actions { grid-template-columns: 1fr 1fr; } /* Telegram MainButton replaces Submit */
.tg .actions .submit { display: none; }
.banner { background: color-mix(in srgb, var(--accent) 14%, var(--card)); border-radius: 14px; padding: 10px 12px;
          font-size: 14px; display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 12px 0 8px; }
.flag-menu { display: grid; gap: 6px; margin-top: 8px; }
.flag-menu .btn { justify-content: flex-start; min-height: 46px; }
.kbd { font-size: 12px; color: var(--hint); text-align: center; margin-top: 14px; }
.kbd kbd, kbd { background: var(--card); border-radius: 5px; padding: 1px 6px; font: 12px ui-monospace, monospace; }
@media (pointer: coarse) { .kbd { display: none; } }
details.instr { background: var(--card); border-radius: var(--radius); padding: 10px 14px; margin: 12px 0; box-shadow: var(--shadow); }
details.instr summary { cursor: pointer; font-weight: 650; }
details.instr div { white-space: pre-wrap; margin-top: 6px; font-size: 14px; }
.list-item { display: flex; gap: 10px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.list-item:last-child { border-bottom: 0; }
.list-item .t { flex: 1; min-width: 0; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.sess-sum { background: var(--card); border-radius: 14px; padding: 10px 14px; display: inline-block; box-shadow: var(--shadow); }
#body { transition: opacity .15s; }
#body.busy { opacity: .6; pointer-events: none; }

/* effects */
.confetti { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 60; }
.float { position: fixed; z-index: 55; transform: translate(-50%, -50%); pointer-events: none; font-weight: 900; font-size: 26px;
         color: var(--ok); text-shadow: 0 2px 10px rgba(0,0,0,.15); animation: floatUp 1.25s cubic-bezier(.2,.8,.2,1) forwards; }
.float.pts { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
@keyframes floatUp { 0% { opacity: 0; transform: translate(-50%, -20%) scale(.6); } 15% { opacity: 1; transform: translate(-50%, -80%) scale(1.15); }
                     100% { opacity: 0; transform: translate(-50%, -260%) scale(1); } }
.bump { animation: bump .45s cubic-bezier(.2,1.8,.4,1); }
@keyframes bump { 40% { transform: scale(1.18); } }
.shake { animation: shake .4s; }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

/* tabs and admin */
.tabs { display: flex; gap: 6px; background: var(--card); padding: 4px; border-radius: 14px; margin-top: 8px; box-shadow: var(--shadow); }
.tabs button { flex: 1; border: 0; background: none; padding: 9px 6px; border-radius: 10px; cursor: pointer; font-weight: 650; color: var(--hint); }
.tabs button.on { background: var(--accent); color: var(--accent-text); }
.user { display: flex; gap: 12px; align-items: center; }
label.f { display: block; font-size: 13px; color: var(--hint); margin: 12px 0 4px; font-weight: 600; }
.input, select.input, textarea.input { width: 100%; border: 1px solid var(--line); background: var(--bg2);
         border-radius: 12px; padding: 10px 12px; min-height: 44px; outline: 0; }
.input:focus { border-color: var(--accent); }
.input.mini { width: 96px; min-height: 34px; padding: 6px 10px; font-size: 14px; flex: none; }
textarea.input { min-height: 70px; resize: vertical; }
.check { display: flex; gap: 8px; align-items: center; margin: 8px 0; font-size: 15px; }
.check input { width: 20px; height: 20px; accent-color: var(--accent); }
.err-text { color: var(--danger); font-size: 13px; white-space: pre-wrap; word-break: break-word; }
hr { border: 0; border-top: 1px solid var(--line); margin: 14px 0; }
.task-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.tp { border: 2px solid var(--line); border-radius: 14px; padding: 10px; cursor: pointer; display: grid; grid-template-columns: auto 1fr; column-gap: 8px; align-items: center; }
.tp input { position: absolute; opacity: 0; pointer-events: none; }
.tp span { font-size: 22px; grid-row: span 2; }
.tp b { font-size: 14px; }
.tp small { font-size: 12px; color: var(--hint); line-height: 1.3; }
.tp.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 9%, transparent); }
.pick-head { display: flex; align-items: center; gap: 8px; margin: 16px 0 6px; }
.pick-head b { flex: 1; }
.pick { max-height: 280px; overflow: auto; border: 1px solid var(--line); border-radius: 14px; }
.pick-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--line); cursor: pointer; }
.pick-row:last-child { border-bottom: 0; }
.pick-row input { width: 20px; height: 20px; accent-color: var(--accent); flex: none; }
.pick-row small { display: block; color: var(--hint); font-size: 12px; }
.pick-row:has(input:checked) { background: color-mix(in srgb, var(--accent) 9%, transparent); }
.person { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); margin-top: 10px; }
.person + .person { margin-top: 0; }
.person small { font-size: 12px; }

#toast { position: fixed; left: 50%; bottom: calc(90px + env(safe-area-inset-bottom)); transform: translate(-50%, 20px);
         background: #1f2030; color: #fff; padding: 11px 18px; border-radius: 14px; font-size: 14px; font-weight: 600; opacity: 0;
         pointer-events: none; transition: .25s cubic-bezier(.2,1.4,.4,1); max-width: calc(100% - 32px); z-index: 70; box-shadow: 0 8px 24px rgba(0,0,0,.25); }
#toast.show { opacity: .97; transform: translate(-50%, 0); }