:root {
  --bg: #f6f5f2;
  --card: #ffffff;
  --ink: #1f2328;
  --muted: #6b7078;
  --line: #e4e2dc;
  --accent: #2f6f6a;
  --accent-soft: #e3f0ee;
  --warn: #b4531f;
  --warn-soft: #fbeee4;
  --ok: #2e7d4f;
  --ok-soft: #e5f3ea;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 2px 8px rgba(0,0,0,.04);
  /* добавлено для тёмной темы: все цвета — только через переменные */
  --surface-2: #faf9f6; --surface-3: #eeede8; --hover: #efeee9;
  --accent-2: #57a89f; --accent-line: #cfe4e1; --on-accent: #fff;
  --warn-line: #e3b79d; --on-warn: #fff; --on-ok: #fff;
  --input-bg: #fff; --input-line: #d4d2cb; --track: #ecebe6;
  --hl: #fff4c2; --hl-ink: #7a5a00; --note-bg: #fff8df;
  --warm: #e9a178; --warm-2: #c2572b;
  --toast-bg: #1f2328; --toast-ink: #fff;
  --shadow-hover: 0 6px 18px rgba(0,0,0,.07); --shadow-lg: 0 20px 60px rgba(0,0,0,.3);
  --lesson-mix: 14%; --sc-lift: 0%;
  --grade5: #2e7d4f; --grade4: #4a7c9b; --grade3: #b8860b; --grade2: #b4531f;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; letter-spacing: -.01em; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .75rem; }
h3 { font-size: 1rem; margin: 0 0 .5rem; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

/* шапка и меню */
.top {
  position: sticky; top: 0; z-index: 10; background: var(--card); border-bottom: 1px solid var(--line);
}
.top-inner { max-width: 1100px; margin: 0 auto; padding: .6rem 16px; display: flex; align-items: center; gap: .75rem; }
.brand { font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: .5rem; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; background: var(--accent); color: var(--on-accent);
  display: grid; place-items: center; font-size: .9rem; }
.spacer { flex: 1; }
.bell { position: relative; font-size: 1.25rem; color: var(--ink); padding: .2rem .4rem; }
.badge { display: inline-block; min-width: 1.25rem; padding: 0 .35rem; border-radius: 99px; background: var(--warn);
  color: var(--on-warn); font-size: .75rem; line-height: 1.25rem; text-align: center; }
.bell .badge { position: absolute; top: -4px; right: -6px; }
nav.menu { max-width: 1100px; margin: 0 auto; padding: 0 16px .5rem; display: flex; gap: .35rem; overflow-x: auto;
  scrollbar-width: none; }
nav.menu::-webkit-scrollbar { display: none; }
nav.menu a { white-space: nowrap; padding: .35rem .75rem; border-radius: 99px; color: var(--ink); font-size: .95rem; }
nav.menu a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
nav.menu a:hover { text-decoration: none; background: var(--hover); }

main { max-width: 1100px; margin: 0 auto; padding: 1.25rem 16px 3rem; }

/* карточки и сетки */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem;
  box-shadow: var(--shadow); margin-bottom: 1rem; }
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem; }
.stat .v { font-size: 1.5rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: .85rem; }
.stat.warn .v { color: var(--warn); }

.list { list-style: none; margin: 0; padding: 0; }
.list > li { padding: .65rem 0; border-top: 1px solid var(--line); display: flex; gap: .75rem; align-items: flex-start;
  flex-wrap: wrap; }
.list > li:first-child { border-top: 0; }
.list .grow { flex: 1; min-width: 180px; }

.pill { display: inline-block; padding: .05rem .55rem; border-radius: 99px; font-size: .8rem; font-weight: 600; }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.info { background: var(--accent-soft); color: var(--accent); }
.pill.grey { background: var(--surface-3); color: var(--muted); }

/* формы */
form.stack { display: grid; gap: .75rem; }
label { display: grid; gap: .25rem; font-size: .9rem; color: var(--muted); }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--input-bg); border: 1px solid var(--input-line); border-radius: 10px;
  padding: .55rem .7rem; width: 100%;
}
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .75rem; }
.check { display: flex; align-items: center; gap: .5rem; color: var(--ink); font-size: .95rem; }
.check input { width: auto; }
.checks { display: flex; flex-wrap: wrap; gap: .35rem 1rem; }

button, .btn {
  font: inherit; font-weight: 600; cursor: pointer; border: 1px solid var(--accent); background: var(--accent); color: var(--on-accent);
  border-radius: 10px; padding: .5rem .9rem; display: inline-flex; align-items: center; gap: .35rem; text-decoration: none;
}
button:hover, .btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn-light { background: var(--card); color: var(--accent); }
.btn-warn { background: var(--card); color: var(--warn); border-color: var(--warn-line); }
.btn-sm { padding: .25rem .6rem; font-size: .85rem; border-radius: 8px; }
.inline { display: inline; }
.actions { display: flex; gap: .4rem; flex-wrap: wrap; }

.flash { padding: .7rem 1rem; border-radius: 10px; margin-bottom: 1rem; }
.flash.ok { background: var(--ok-soft); color: var(--ok); }
.flash.error { background: var(--warn-soft); color: var(--warn); }

/* недельная сетка репетитора */
.week-head { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.week-head h1 { margin: 0; }
.grid-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
table.week { border-collapse: collapse; width: 100%; min-width: 760px; font-size: .85rem; table-layout: fixed; }
table.week col.hcol { width: 56px; }
table.week th, table.week td { border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); padding: 3px; vertical-align: top; }
table.week th { background: var(--surface-2); font-weight: 600; padding: .45rem; }
table.week th.today { background: var(--accent-soft); color: var(--accent); }
table.week td.h { width: 52px; color: var(--muted); text-align: right; padding-right: .4rem; border-left: 0; }
table.week td { height: 38px; }
.lesson { display: block; background: var(--accent-soft); border-left: 3px solid var(--accent); border-radius: 6px;
  padding: 2px 5px; color: var(--ink); margin-bottom: 2px; line-height: 1.25; }
.lesson.unpaid { border-left-color: var(--warn); background: var(--warn-soft); }
.lesson:hover { text-decoration: none; filter: brightness(.97); }
.week-list { display: none; }
@media (max-width: 720px) {
  .grid-wrap { display: none; }
  .week-list { display: block; }
}

/* переписка */
.chat { display: flex; flex-direction: column; gap: .5rem; }
.msg { max-width: 80%; padding: .5rem .75rem; border-radius: 12px; background: var(--card); border: 1px solid var(--line); }
.msg.mine { align-self: flex-end; background: var(--accent-soft); border-color: var(--accent-line); }
.msg .t { font-size: .75rem; color: var(--muted); }

/* страница входа */
.auth { max-width: 400px; margin: 3rem auto; }
.auth .brand { justify-content: center; font-size: 1.2rem; margin-bottom: 1.25rem; }

.push-box { display: none; }
.push-box.show { display: block; }
.empty { color: var(--muted); padding: .5rem 0; }
table.plain { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.plain td, table.plain th { padding: .45rem .3rem; border-top: 1px solid var(--line); text-align: left; }
table.plain th { color: var(--muted); font-weight: 500; font-size: .85rem; border-top: 0; }
.num { text-align: right !important; white-space: nowrap; }
code.pw { background: var(--hl); color: var(--ink); padding: .15rem .45rem; border-radius: 6px; font-size: 1.05rem; }

a.stat { color: inherit; }
a.stat:hover { text-decoration: none; border-color: var(--accent); }

/* ================================================================ версия 2 */
:root { --il-ink: #1f2328; --il-accent: #2f6f6a; --il-warm: #e9a178; --il-soft: #cfe4e1; --il-paper: #ffffff; --il-shadow: rgba(0,0,0,.06); --il-gold: #f2c14e; --il-on: #fff; }

/* плавное появление */
main > * { animation: rise .35s ease both; }
main > *:nth-child(2) { animation-delay: .04s; } main > *:nth-child(3) { animation-delay: .08s; }
main > *:nth-child(4) { animation-delay: .12s; } main > *:nth-child(5) { animation-delay: .16s; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
button:active, .btn:active { transform: scale(.97); }
.card, .stat, .topic-card { transition: box-shadow .2s, transform .2s, border-color .2s; }
a.stat:hover, .topic-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* пустые разделы */
.empty-state { text-align: center; padding: .75rem 0 .5rem; width: 100%; }
.empty-state .illus { width: 150px; height: auto; display: block; margin: 0 auto .35rem; animation: bob 4s ease-in-out infinite; }
.empty-text { font-weight: 600; color: var(--ink); }
@keyframes bob { 50% { transform: translateY(-4px); } }

/* цвета учеников */
.dot { display: inline-block; width: .7rem; height: .7rem; border-radius: 50%; margin-right: .4rem; vertical-align: 1px; }
.dot.big { width: .9rem; height: .9rem; }
.lesson { --c: var(--accent); --cc: color-mix(in srgb, var(--c), white var(--sc-lift)); background: color-mix(in srgb, var(--cc) var(--lesson-mix), var(--card)); border-left-color: var(--cc); }
.lesson.unpaid { background: color-mix(in srgb, var(--cc) var(--lesson-mix), var(--card)); border-left-color: var(--cc); }
.ruble { display: inline-block; background: var(--warn); color: var(--on-warn); border-radius: 99px; font-weight: 700; font-size: .7rem;
  padding: 0 .35rem; line-height: 1.1rem; }
.legend { display: inline-flex; flex-wrap: wrap; gap: .25rem .75rem; font-size: .85rem; color: var(--muted); }
input[type=color] { padding: .15rem; height: 2.4rem; }

/* прогресс-бары */
.bar { height: 10px; background: var(--track); border-radius: 99px; overflow: hidden; margin-top: .4rem; }
.bar > span { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--accent), var(--accent-2));
  animation: grow 1s cubic-bezier(.2,.8,.2,1) both; transform-origin: left; transition: width .6s; }
.bar.thin { height: 6px; }
.goal-bar > span { background: linear-gradient(90deg, var(--warm), var(--warm-2)); }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.goal { padding: .8rem 1.1rem; }

/* уровень и серия */
.gamebar { display: flex; align-items: center; gap: .9rem; padding: .75rem 1rem; }
.lvl-badge { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 1.2rem;
  color: var(--on-accent); background: conic-gradient(from 200deg, var(--accent), var(--accent-2), var(--gold), var(--accent)); }
.streak { display: flex; flex-direction: column; align-items: center; line-height: 1.05; color: var(--muted); min-width: 48px; }
.streak .flame { font-size: 1.4rem; filter: grayscale(1); opacity: .5; }
.streak.on .flame { filter: none; opacity: 1; animation: flicker 1.2s ease-in-out infinite; }
.streak.on b { color: var(--warn); }
@keyframes flicker { 50% { transform: scale(1.12) rotate(-4deg); } }

/* быстрые кнопки */
.quick { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.quick-btn { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem; display: flex;
  align-items: center; gap: .6rem; color: var(--ink); font-weight: 600; transition: transform .15s, border-color .15s; }
.quick-btn span { font-size: 1.5rem; }
.quick-btn:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--accent); }
.note-card { border-left: 4px solid var(--gold); }
.note-inline { margin-top: .3rem; font-size: .9rem; background: var(--note-bg); border-radius: 8px; padding: .3rem .55rem; white-space: pre-line; }
.reply { margin-top: .4rem; background: var(--accent-soft); border-radius: 10px; padding: .45rem .7rem; }
.q-open { border-left: 4px solid var(--warn); }

/* вкладки классов и темы */
.grade-tabs { display: flex; gap: .35rem; flex-wrap: wrap; margin-bottom: .75rem; }
.tab { font: inherit; cursor: pointer; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 99px;
  padding: .35rem .9rem; font-weight: 600; }
.tab.active { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.tab:hover { text-decoration: none; }
.topic-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .5rem; }
.topic-chip { display: flex; align-items: center; gap: .5rem; border: 1px solid var(--line); border-radius: 10px; padding: .55rem .7rem;
  color: var(--ink); cursor: pointer; background: var(--card); transition: border-color .15s, background .15s; }
.topic-chip input { width: auto; }
.topic-chip:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.btn-big { font-size: 1.05rem; padding: .7rem 1.3rem; }
.topic-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.topic-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; display: grid; gap: .45rem; }
.tc-title { font-weight: 700; }

/* задания */
ol.tasks { margin: 0; padding-left: 1.5rem; }
ol.tasks > li { padding: .6rem 0; border-top: 1px solid var(--line); }
ol.tasks > li:first-child { border-top: 0; }
.task-q { font-size: 1.02rem; }
.task-q.big { font-size: 1.25rem; margin: .5rem 0 1rem; min-height: 2.5rem; }
.task-meta { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin-top: .35rem; }
.toggle { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .35rem .7rem; }
.katex { font-size: 1.08em; }

/* тренажёр */
.trainer { position: relative; }
.tr-progress { display: flex; align-items: center; gap: .75rem; color: var(--muted); font-weight: 600; }
.dots { display: flex; gap: 5px; }
.dots span { width: 12px; height: 12px; border-radius: 50%; background: var(--track); }
.dots span.cur { background: var(--accent-soft); outline: 2px solid var(--accent); }
.dots span.ok { background: var(--ok); } .dots span.bad { background: var(--warn); }
.tr-answer { display: flex; gap: .5rem; max-width: 420px; }
.tr-answer input { font-size: 1.1rem; }
.tr-feedback { margin-top: .75rem; padding: .7rem .9rem; border-radius: 10px; animation: rise .25s ease both; }
.tr-feedback.good { background: var(--ok-soft); color: var(--ok); font-weight: 600; }
.tr-feedback.bad { background: var(--warn-soft); color: var(--warn); }
.tr-feedback.warn { background: var(--hl); color: var(--hl-ink); }
.shake { animation: shake .35s; }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

/* значки */
.badges { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .6rem; }
.badge-card { background: var(--card); border: 1px dashed var(--input-line); border-radius: 12px; padding: .75rem; text-align: center; opacity: .55; filter: grayscale(1); }
.badge-card.got { opacity: 1; filter: none; border: 1px solid var(--gold); background: var(--gold-soft); }
.badge-card .bi { font-size: 1.8rem; }
.badge-card .bn { font-weight: 700; font-size: .9rem; }
.badge-card .bd { font-size: .75rem; color: var(--muted); }

/* формулы */
.formula-sections { columns: 2 420px; column-gap: 1rem; }
.formula-card { break-inside: avoid; }
.formula-card summary { cursor: pointer; list-style: none; display: flex; gap: .5rem; align-items: center; }
.formula-list { margin-top: .5rem; }
.formula { display: grid; grid-template-columns: 38% 1fr; gap: .5rem; align-items: center; padding: .35rem 0; border-top: 1px solid var(--line); }
.formula .fn { color: var(--muted); font-size: .9rem; }
.formula .fx .katex-display { margin: 0; text-align: left; }
.formula .fx .katex-display > .katex { text-align: left; }
@media (max-width: 560px) { .formula { grid-template-columns: 1fr; gap: 0; } }

/* проверка на фото */
.tools { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; margin-bottom: .6rem; }
.swatch { width: 28px; height: 28px; border-radius: 50%; border: 3px solid var(--card); box-shadow: 0 0 0 1px var(--input-line); padding: 0; }
.swatch.active { box-shadow: 0 0 0 2px var(--ink); }
[data-stamp].active { background: var(--accent); color: var(--on-accent); }
.canvas-wrap { overflow: auto; border-radius: 10px; background: var(--surface-3); }
#board { display: block; max-width: 100%; height: auto; touch-action: none; cursor: crosshair; margin: 0 auto; }
.grade-pick { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.grade-btn input { display: none; }
.grade-btn span { display: inline-block; min-width: 44px; text-align: center; padding: .45rem .7rem; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card); font-weight: 700; cursor: pointer; }
.grade-btn input:checked + span { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.grade-chip { display: inline-grid; place-items: center; min-width: 34px; height: 34px; padding: 0 .4rem; border-radius: 10px;
  font-weight: 800; color: #fff; background: #6b7078; }
.grade-chip.g5 { background: var(--grade5); } .grade-chip.g4 { background: var(--grade4); } .grade-chip.g3 { background: var(--grade3); }
.grade-chip.g2 { background: var(--grade2); }

/* прогресс учеников */
.mini-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; margin: .7rem 0; text-align: center; }
.mini-stats b { display: block; font-size: 1.1rem; }
.mini-stats span { font-size: .75rem; color: var(--muted); }

/* фон с формулами на входе */
.formula-bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
  background: radial-gradient(circle at 20% 20%, var(--accent-soft) 0, transparent 45%), radial-gradient(circle at 80% 80%, var(--warn-soft) 0, transparent 45%), var(--bg); }
.formula-bg span { position: absolute; font-family: "Times New Roman", serif; font-style: italic; color: var(--accent); opacity: .12;
  white-space: nowrap; animation: float 12s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-18px) rotate(3deg); } }
.auth .card { backdrop-filter: blur(3px); background: color-mix(in srgb, var(--card) 92%, transparent); }

/* конфетти */
#confetti { position: fixed; inset: 0; pointer-events: none; z-index: 100; }
.star-pop { position: absolute; pointer-events: none; animation: pop .8s ease-out forwards; font-size: 1.2rem; }
@keyframes pop { from { opacity: 1; transform: translate(0,0) scale(.6); } to { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(1.2); } }

.topic-section { grid-column: 1 / -1; font-weight: 700; font-size: .95rem; margin: .6rem 0 0; color: var(--ink); }
.topic-section:first-child { margin-top: 0; }
[hidden] { display: none !important; }

/* перенос занятий перетаскиванием */
table.week td[data-date] { position: relative; transition: background .12s; }
table.week .lesson[data-move] { cursor: grab; -webkit-touch-callout: none; user-select: none; -webkit-user-select: none; }
table.week .lesson.dragging { opacity: .35; }
table.week .lesson.saving { opacity: .6; }
body.is-dragging, body.is-dragging * { cursor: grabbing !important; }
table.week td.drop-target { background: var(--accent-soft); box-shadow: inset 0 0 0 2px var(--accent); }
table.week td.drop-target::before { content: ""; position: absolute; left: 0; right: 0; top: calc(var(--q, 0) * 25%); height: 25%;
  min-height: 8px; background: color-mix(in srgb, var(--accent) 30%, transparent); border-top: 2px solid var(--accent); pointer-events: none; }
.lesson-ghost { position: fixed; left: 0; top: 0; z-index: 60; pointer-events: none; margin: 0; font-size: .85rem;
  box-shadow: var(--shadow-hover); opacity: .95; }
.lesson-ghost b { color: var(--accent); white-space: nowrap; }
.lesson-ghost.no-target { opacity: .6; }
.dnd-hint { margin: .5rem .2rem 1rem; }
@media (max-width: 720px) { .dnd-hint { display: none; } }

/* всплывающие сообщения */
#toasts { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 90; display: grid; gap: .5rem;
  width: max-content; max-width: calc(100vw - 32px); }
.toast { background: var(--toast-bg); color: var(--toast-ink); padding: .65rem 1rem; border-radius: 10px; box-shadow: var(--shadow-hover);
  font-size: .95rem; animation: rise .25s ease both; transition: opacity .3s, transform .3s; }
.toast.ok { background: var(--ok); color: var(--on-ok); }
.toast.error { background: var(--warn); color: var(--on-warn); }
.toast.hide { opacity: 0; transform: translateY(6px); }

/* ссылка на видеозвонок */
.call-card { border-left: 4px solid var(--accent); }
.call-students { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: .35rem .75rem; margin-top: .25rem; }
.call-head { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.msg a.ext { word-break: break-all; text-decoration: underline; }
.msg-text { white-space: pre-line; overflow-wrap: anywhere; }
.call-card input[type=checkbox] { accent-color: var(--accent); width: 1rem; height: 1rem; }

/* решения, сложность, свои задачи */
.weight-bar { display: flex; gap: .4rem 1rem; align-items: baseline; flex-wrap: wrap; margin: -.4rem 0 .9rem; }
.lvl { display: inline-block; padding: .05rem .5rem; border-radius: 99px; font-size: .78rem; font-weight: 600;
  border: 1px solid currentColor; line-height: 1.35; }
.lvl1 { color: var(--ok); } .lvl2 { color: var(--accent); } .lvl3 { color: var(--warn); }
.steps-badge { font-size: .8rem; color: var(--muted); white-space: nowrap; }
.steps-badge::before { content: "↳ "; }
details.solution { margin-top: .4rem; }
details.solution > summary { cursor: pointer; color: var(--accent); font-weight: 600; font-size: .9rem; width: max-content;
  list-style: none; }
details.solution > summary::-webkit-details-marker { display: none; }
details.solution > summary::before { content: "▸ "; }
details.solution[open] > summary::before { content: "▾ "; }
details.solution[open] { background: var(--accent-soft); border-radius: 10px; padding: .45rem .75rem .6rem; }
details.inline-sol[open] { flex-basis: 100%; }
ol.steps { margin: .35rem 0 0; padding-left: 1.4rem; display: grid; gap: .2rem; }
ol.steps li { padding-left: .15rem; }
ol.steps li::marker { color: var(--muted); font-size: .85em; }
.sol-answer { margin-top: .35rem; }
.pre { white-space: pre-line; }
.task-img { display: inline-block; margin-top: .4rem; }
.task-img img { display: block; max-width: min(100%, 360px); max-height: 260px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); }
.thumb { max-width: 120px; max-height: 80px; border-radius: 6px; border: 1px solid var(--line); }
.hint { font-size: .8rem; color: var(--muted); font-weight: 400; }
.hint code { font-size: .78rem; background: var(--bg); border-radius: 4px; padding: 0 .25rem; }
.preview { border: 1px dashed var(--line); border-radius: 10px; padding: .55rem .75rem; background: var(--bg); min-height: 2.4rem;
  overflow-wrap: anywhere; }
fieldset.mix { border: 1px solid var(--line); border-radius: 10px; padding: .4rem .8rem .7rem; margin: 0; }
fieldset.mix legend { font-size: .9rem; color: var(--muted); padding: 0 .3rem; }
.custom-chip { align-items: flex-start; }
.custom-chip input { margin-top: .3rem; }
.custom-chip > span { display: grid; gap: .1rem; min-width: 0; }
.chip-text { overflow-wrap: anywhere; }
details.more > summary { cursor: pointer; color: var(--accent); font-size: .9rem; }
.mine-list > li { overflow-wrap: anywhere; }
.mine-grid { align-items: start; }

/* ================================================================ версия 6: достижения, аватары, повторение, задача дня */
:root { --gold: #f2c14e; --gold-soft: #fffbea; --bronze: #c98a52; --silver: #9aa3ad; --heat: var(--accent);
  --overlay: rgba(20, 24, 28, .45); }

/* аватар */
.ava { --ava: var(--accent); display: inline-grid; place-items: center; flex: none; width: 2rem; height: 2rem; border-radius: 50%;
  font-size: 1.1rem; line-height: 1; background: color-mix(in srgb, var(--ava) 22%, var(--card));
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--ava) 50%, var(--card)); user-select: none; }
.ava.sm { width: 1.75rem; height: 1.75rem; font-size: 1rem; vertical-align: middle; }
.ava.md { width: 2.9rem; height: 2.9rem; font-size: 1.6rem; }
.ava.lg { width: 4.6rem; height: 4.6rem; font-size: 2.6rem; }
.ava.ring { box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--ava) 50%, var(--card)), 0 0 0 2px var(--card), 0 0 0 4px var(--ring); }
.who { display: inline-flex; align-items: center; gap: .5rem; }
.list .ava.sm, .who .ava.sm { margin-right: .45rem; }
.who .ava.sm { margin-right: 0; }

/* полоса уровня с аватаром */
.gb-ava { position: relative; display: block; flex: none; border-radius: 50%; }
.gb-ava:hover { text-decoration: none; transform: scale(1.05); }
.gb-ava { transition: transform .15s; }
.gb-ava .lvl-num { position: absolute; right: -6px; bottom: -4px; min-width: 1.35rem; height: 1.35rem; padding: 0 .3rem; border-radius: 99px;
  display: grid; place-items: center; font-size: .75rem; font-weight: 800; color: var(--on-accent); background: var(--accent);
  box-shadow: 0 0 0 2px var(--card); }
#gb-points { display: inline-block; font-variant-numeric: tabular-nums; transition: color .3s; }
#gb-points.counting { color: var(--accent); font-weight: 700; }
.gamebar.lvl-up .gb-ava { animation: lvlpop .9s cubic-bezier(.2, 1.6, .4, 1); }
@keyframes lvlpop { 0% { transform: scale(1); } 35% { transform: scale(1.35) rotate(-8deg); } 100% { transform: scale(1); } }

/* задача дня */
.daily { position: relative; border-top: 4px solid var(--gold); }
.daily-head { display: flex; align-items: center; gap: .7rem; margin-bottom: .35rem; }
.daily-star { width: 2.4rem; height: 2.4rem; border-radius: 50%; display: grid; place-items: center; font-size: 1.3rem; flex: none;
  background: color-mix(in srgb, var(--gold) 28%, var(--card)); animation: twinkle 3s ease-in-out infinite; }
@keyframes twinkle { 50% { transform: rotate(12deg) scale(1.08); } }
.daily.resolved .daily-star { animation: none; }
.daily-title { font-weight: 700; }
.pill.x2 { background: color-mix(in srgb, var(--gold) 30%, var(--card)); color: color-mix(in srgb, var(--gold) 35%, var(--ink)); }
.daily-badge { font-weight: 700; color: var(--ok); white-space: nowrap; font-size: .9rem; }
.daily-q { margin: .4rem 0 .75rem; font-size: 1.1rem; }
.daily .tr-answer { margin-bottom: .35rem; }
.daily.solved { border-top-color: var(--ok); }
.daily.solved .daily-star { background: var(--ok-soft); }

/* решение по шагам */
.solution { margin-top: .6rem; }
.sol-steps { margin: .6rem 0 0; padding: .7rem .9rem .7rem 2.2rem; background: color-mix(in srgb, var(--accent) 6%, var(--card));
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--card)); border-radius: 10px; }
.sol-steps li { padding: .2rem 0; }
.sol-steps li::marker { color: var(--accent); font-weight: 700; }
.sol-steps.reveal li { animation: rise .3s ease both; }
.sol-steps.reveal li:nth-child(2) { animation-delay: .06s; } .sol-steps.reveal li:nth-child(3) { animation-delay: .12s; }
.sol-steps.reveal li:nth-child(4) { animation-delay: .18s; } .sol-steps.reveal li:nth-child(n+5) { animation-delay: .24s; }
.tr-q-anim, .task-q.enter { animation: rise .3s ease both; }
.tr-topic { margin-top: .4rem; font-weight: 600; }

/* календарь активности */
.heat-wrap { --heat: var(--accent); max-width: 100%; overflow-x: auto; }
.heat { display: grid; grid-template-columns: 1.7em repeat(var(--w), minmax(9px, 1fr)); gap: 3px;
  max-width: calc(var(--w) * 19px + 1.7em); font-size: .7rem; color: var(--muted); }
.heat-m { white-space: nowrap; overflow: visible; line-height: 1.2; height: 1.1em; }
.heat-d { line-height: 1; align-self: center; }
.hc { display: block; aspect-ratio: 1; border-radius: 3px; background: color-mix(in srgb, var(--ink) 7%, var(--card)); }
.hc.l1 { background: color-mix(in srgb, var(--heat) 28%, var(--card)); }
.hc.l2 { background: color-mix(in srgb, var(--heat) 50%, var(--card)); }
.hc.l3 { background: color-mix(in srgb, var(--heat) 75%, var(--card)); }
.hc.l4 { background: var(--heat); }
.hc.fut { background: transparent; }
.hc.now { outline: 1.5px solid var(--ink); outline-offset: 1px; }
.heat-foot { display: flex; justify-content: space-between; gap: .5rem 1rem; flex-wrap: wrap; margin-top: .5rem; }
.heat-legend { display: inline-flex; align-items: center; gap: 3px; }
.heat-legend .hc { width: 10px; height: 10px; display: inline-block; }
.heat-wrap.compact { margin-top: .6rem; }
.heat-wrap.compact .heat { grid-template-columns: 1.6em repeat(var(--w), minmax(8px, 1fr)); gap: 2px; max-width: calc(var(--w) * 15px + 1.6em); font-size: .65rem; }
.heat-wrap.compact .heat-legend { display: none; }

/* значки */
.badges { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
.badge-card { position: relative; display: flex; flex-direction: column; align-items: center; gap: .1rem; opacity: 1; filter: none;
  border: 1px dashed color-mix(in srgb, var(--ink) 18%, var(--card)); background: var(--card); }
.badge-card .bi { filter: grayscale(1); opacity: .45; width: 3rem; height: 3rem; display: grid; place-items: center; border-radius: 50%;
  background: color-mix(in srgb, var(--ink) 6%, var(--card)); margin-bottom: .2rem; }
.badge-card .bn, .badge-card .bd { opacity: .7; }
.badge-card.got { border: 1px solid var(--gold); background: var(--gold-soft); }
.badge-card.got .bi { filter: none; opacity: 1; background: color-mix(in srgb, var(--gold) 30%, var(--card)); }
.badge-card.got .bn, .badge-card.got .bd { opacity: 1; }
.badge-card.got.tier-bronze .bi { box-shadow: 0 0 0 3px var(--bronze); }
.badge-card.got.tier-silver .bi { box-shadow: 0 0 0 3px var(--silver); }
.badge-card.got.tier-gold .bi { box-shadow: 0 0 0 3px var(--gold), 0 0 12px color-mix(in srgb, var(--gold) 70%, transparent); }
.badge-card.tier-bronze::after, .badge-card.tier-silver::after, .badge-card.tier-gold::after {
  position: absolute; top: 6px; right: 6px; width: 9px; height: 9px; border-radius: 50%; content: ""; opacity: .8; }
.badge-card.tier-bronze::after { background: var(--bronze); } .badge-card.tier-silver::after { background: var(--silver); }
.badge-card.tier-gold::after { background: var(--gold); }
.bprog { width: 100%; display: flex; align-items: center; gap: .4rem; margin-top: auto; padding-top: .35rem; font-size: .72rem; color: var(--muted); }
.bprog .bar { flex: 1; margin: 0; }
.bprog .bar > span { background: color-mix(in srgb, var(--accent) 70%, var(--card)); }
.bdate { font-size: .7rem; color: color-mix(in srgb, var(--gold) 30%, var(--ink)); margin-top: auto; padding-top: .3rem; }
.badge-strip { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; }
.bchip { display: inline-flex; align-items: center; gap: .3rem; padding: .2rem .6rem .2rem .3rem; border-radius: 99px; font-size: .82rem; font-weight: 600;
  background: var(--gold-soft); border: 1px solid color-mix(in srgb, var(--gold) 60%, var(--card)); }
.bchip > span { font-size: 1rem; }
.badge-cat { margin: 1.1rem 0 .55rem; }

/* работа над ошибками */
a.review-card { display: flex; align-items: center; gap: .8rem; color: var(--ink); border-left: 4px solid var(--line); }
a.review-card:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); }
a.review-card.due { border-left-color: var(--warn); }
.rc-icon { width: 2.4rem; height: 2.4rem; border-radius: 50%; display: grid; place-items: center; font-size: 1.2rem; flex: none;
  background: var(--accent-soft); }
.review-card.due .rc-icon { background: var(--warn-soft); }
.review-start { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; border-left: 4px solid var(--ok); }
.review-start.due { border-left-color: var(--warn); }
.rs-num { display: flex; align-items: center; gap: .5rem; line-height: 1.15; }
.rs-num b { font-size: 2.2rem; color: var(--warn); }
.review-start:not(.due) .rs-num b { color: var(--ok); }
.rs-num span { font-size: .8rem; color: var(--muted); }
.stage { display: inline-flex; gap: 4px; align-self: center; }
.stage i { width: 10px; height: 10px; border-radius: 50%; background: color-mix(in srgb, var(--ink) 10%, var(--card)); }
.stage i.on { background: var(--ok); }
.tr-top { margin-bottom: 0; align-items: start; }
.tr-top > * { margin-bottom: 1rem; }
.tr-top > div > .card:last-child { margin-bottom: 0; }

/* страница достижений */
.ach-top { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
@media (max-width: 760px) { .ach-top { grid-template-columns: 1fr; gap: 0; } }
.ava-hero { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.ava-hero-name { font-size: 1.3rem; font-weight: 800; letter-spacing: -.01em; }
.ava-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: .45rem; }
.ava-opt { flex-direction: column; justify-content: center; gap: .25rem; padding: .5rem .2rem; background: var(--card); color: var(--ink);
  border: 1px solid var(--line); border-radius: 12px; font-weight: 500; transition: border-color .15s, transform .15s; }
.ava-opt:hover { filter: none; border-color: var(--accent); transform: translateY(-2px); }
.ava-opt .ava { width: 2.6rem; height: 2.6rem; font-size: 1.45rem; }
.ava-opt .ava-lv { font-size: .7rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.ava-opt.sel { border: 2px solid var(--accent); background: var(--accent-soft); }
.ava-opt.sel .ava-lv { color: var(--accent); font-weight: 700; }
.ava-opt.locked { cursor: not-allowed; background: color-mix(in srgb, var(--ink) 3%, var(--card)); }
.ava-opt.locked:hover { transform: none; border-color: var(--line); }
.ava-opt.locked .ava { filter: grayscale(1); opacity: .35; }
.ladder { list-style: none; margin: 0; padding: 0; }
.ladder li { display: flex; align-items: center; gap: .55rem; padding: .3rem .45rem; border-radius: 10px; font-size: .92rem; }
.ladder li + li { margin-top: 1px; }
.ladder .ld-n { width: 1.4rem; text-align: right; font-weight: 700; color: var(--muted); font-variant-numeric: tabular-nums; }
.ladder .ld-pts { font-size: .8rem; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.ladder li.cur { background: var(--accent-soft); font-weight: 700; }
.ladder li.cur .ld-n, .ladder li.cur .ld-pts { color: var(--accent); }
.ladder li.locked { opacity: .5; }
.ladder li.locked .ava { filter: grayscale(1); }
.ach-head { display: flex; align-items: center; gap: .8rem; margin: 1.5rem 0 .25rem; }
.ach-head h2 { margin: 0; }
.ach-head .bar { margin: 0; max-width: 320px; }
.ach-head .bar > span { background: linear-gradient(90deg, var(--gold), var(--bronze)); }
.ach-count { white-space: nowrap; color: var(--muted); }
.ach-count b { color: var(--ink); font-size: 1.15rem; }
.grow { flex: 1; min-width: 0; }

/* поздравление: новый уровень / новое достижение */
.celebrate { position: fixed; inset: 0; z-index: 95; display: grid; place-items: center; padding: 16px; background: var(--overlay);
  animation: fadein .2s ease both; }
.celebrate.out { animation: fadeout .2s ease both; }
@keyframes fadein { from { opacity: 0; } } @keyframes fadeout { to { opacity: 0; } }
.cel-card { position: relative; overflow: hidden; width: min(340px, 100%); text-align: center; background: var(--card); color: var(--ink);
  border-radius: 20px; padding: 1.6rem 1.3rem 1.2rem; box-shadow: var(--shadow-lg);
  animation: celin .55s cubic-bezier(.2, 1.5, .4, 1) both; }
.celebrate.out .cel-card { animation: celout .2s ease both; }
@keyframes celin { from { opacity: 0; transform: scale(.4) rotate(-6deg); } to { opacity: 1; transform: none; } }
@keyframes celout { to { opacity: 0; transform: scale(.85); } }
.cel-rays { position: absolute; left: 50%; top: 4.6rem; width: 340px; height: 340px; margin: -170px 0 0 -170px; pointer-events: none; opacity: .5;
  background: repeating-conic-gradient(from 0deg, color-mix(in srgb, var(--gold) 45%, transparent) 0 10deg, transparent 10deg 30deg);
  -webkit-mask: radial-gradient(circle, #000 0, transparent 65%); mask: radial-gradient(circle, #000 0, transparent 65%);
  animation: spin 14s linear infinite; }
.celebrate.cel-level .cel-rays { background: repeating-conic-gradient(from 0deg, color-mix(in srgb, var(--accent) 40%, transparent) 0 10deg, transparent 10deg 30deg); }
@keyframes spin { to { transform: rotate(360deg); } }
.cel-kicker { position: relative; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.celebrate.cel-badge .cel-kicker { color: color-mix(in srgb, var(--gold) 40%, var(--ink)); }
.cel-icon { --ava: var(--gold); position: relative; overflow: hidden; width: 6rem; height: 6rem; margin: .8rem auto .9rem; border-radius: 50%;
  display: grid; place-items: center; font-size: 3.2rem; background: color-mix(in srgb, var(--ava) 30%, var(--card));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--ava) 70%, var(--card)), 0 8px 24px color-mix(in srgb, var(--ava) 45%, transparent);
  animation: iconpop .7s .15s cubic-bezier(.2, 1.8, .4, 1) both; }
.cel-icon span { position: relative; z-index: 1; }
.tier-bronze .cel-icon { --ava: var(--bronze); } .tier-silver .cel-icon { --ava: var(--silver); }
@keyframes iconpop { from { transform: scale(0) rotate(-30deg); } to { transform: none; } }
.cel-shine { position: absolute; inset: -20%; z-index: 2; pointer-events: none;
  background: linear-gradient(115deg, transparent 35%, rgba(255,255,255,.85) 50%, transparent 65%);
  transform: translateX(-120%); animation: shine 1.1s .55s ease-out both; }
@keyframes shine { to { transform: translateX(120%); } }
.cel-title { position: relative; font-size: 1.25rem; font-weight: 800; letter-spacing: -.01em; }
.cel-text { position: relative; color: var(--muted); margin-top: .25rem; }
.cel-actions { position: relative; display: flex; gap: .5rem; justify-content: center; flex-wrap: wrap; margin-top: 1.1rem; }
@media (prefers-reduced-motion: reduce) { .cel-rays { display: none; } }
@media (max-width: 560px) {
  .ava-pick { grid-template-columns: repeat(auto-fill, minmax(58px, 1fr)); gap: .35rem; }
  .ava-opt { padding: .4rem .1rem; border-radius: 10px; }
  .ava-opt .ava { width: 2.2rem; height: 2.2rem; font-size: 1.2rem; }
  .ava-opt .ava-lv { font-size: .62rem; }
  .badges { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .45rem; }
  .badge-card { padding: .55rem .35rem; border-radius: 10px; }
  .badge-card .bi { width: 2.4rem; height: 2.4rem; font-size: 1.35rem; }
  .badge-card .bn { font-size: .78rem; line-height: 1.2; }
  .badge-card .bd { font-size: .66rem; line-height: 1.25; }
  .bprog { flex-direction: column; gap: .15rem; font-size: .66rem; }
  .bprog .bar { flex: none; width: 100%; }
  .bdate { font-size: .62rem; }
  .ach-head .bar { display: none; }
}
.review-card .grow { line-height: 1.35; }
.review-card .grow b { display: inline-block; margin-bottom: .1rem; }
@media (max-width: 560px) { a.review-card { gap: .6rem; } a.review-card .btn-sm { padding: .35rem .6rem; } }
@media (max-width: 560px) {
  a.review-card .btn-sm { display: none; }
  a.review-card.due::after { content: "›"; font-size: 1.8rem; line-height: 1; color: var(--muted); }
}

/* ================================================================ версия 7: тёмная тема, сова, новая главная, вкладки */

/* ---------- палитра тёмной темы (печать всегда светлая) ---------- */
:root { --owl-body: #2f6f6a; --owl-belly: #eef5f2; --owl-ring: #d7ebe6; --owl-eye: #fff; --owl-pupil: #1b2a2c;
  --owl-beak: #e9973f; --owl-cap: #24343a; --owl-cap-edge: #24343a; --owl-blush: #ff8a8a; --owl-shadow: rgba(0,0,0,.08);
  --owl-sigma: #2f6f6a; --owl-extra: #8a9aa0; --hero-glow: #e3f0ee; --tabbar-bg: rgba(255,255,255,.88); }
@media screen {
  :root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0d1b1e; --card: #142629; --ink: #e4eeec; --muted: #9bb0b0; --line: #24393d;
    --accent: #5ec4b6; --accent-soft: #173a3a; --accent-2: #8fdccf; --accent-line: #24524f; --on-accent: #062321;
    --warn: #f29c6b; --warn-soft: #3a2519; --warn-line: #6d4029; --on-warn: #2b1206;
    --ok: #6dd39a; --ok-soft: #153324; --on-ok: #082414;
    --surface-2: #182e32; --surface-3: #1e363a; --hover: #1c3337;
    --input-bg: #0f2124; --input-line: #33504f; --track: #22393d;
    --hl: #3a3214; --hl-ink: #f3d77c; --note-bg: #2a2614;
    --warm: #e9a178; --warm-2: #d9703f;
    --gold: #f2c14e; --gold-soft: #2a2412; --bronze: #d69a63; --silver: #aab3bd;
    --toast-bg: #e4eeec; --toast-ink: #0d1b1e; --overlay: rgba(2, 9, 11, .66);
    --shadow: 0 1px 2px rgba(0,0,0,.35), 0 4px 14px rgba(0,0,0,.22);
    --shadow-hover: 0 10px 26px rgba(0,0,0,.42); --shadow-lg: 0 24px 70px rgba(0,0,0,.6);
    --lesson-mix: 24%; --sc-lift: 28%;
    --il-ink: #cfe0dd; --il-accent: #4faea1; --il-warm: #e09a72; --il-soft: #2b5250; --il-paper: #1c3236; --il-shadow: rgba(0,0,0,.3); --il-on: #062321;
    --owl-body: #3f9a8e; --owl-belly: #e3efeb; --owl-ring: #bfded7; --owl-pupil: #12201f; --owl-cap: #0b1517; --owl-cap-edge: #6e9a95;
    --owl-sigma: #2f7a70; --owl-shadow: rgba(0,0,0,.4); --owl-extra: #7f9a9a; --hero-glow: #173a3a; --tabbar-bg: rgba(20,38,41,.9);
  }
  :root[data-theme="dark"] .katex { color: inherit; }
  :root[data-theme="dark"] img.thumb, :root[data-theme="dark"] .task-img img { background: #fff; }
}

/* плавная смена темы (только при переключении) */
@media (prefers-reduced-motion: no-preference) {
  html.theme-anim, html.theme-anim *, html.theme-anim *::before { transition: background-color .35s ease, color .35s ease, border-color .35s ease, fill .35s ease !important; }
}

/* ---------- шапка ---------- */
.top { background: color-mix(in srgb, var(--card) 92%, transparent); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); }
.top-inner { gap: .4rem; }
.brand { min-width: 0; letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand-mark { flex: none; font-family: "Times New Roman", Georgia, serif; font-size: 1.05rem; box-shadow: 0 2px 6px color-mix(in srgb, var(--accent) 35%, transparent); }
.icon-btn, .theme-btn { display: inline-grid; place-items: center; width: 38px; height: 38px; padding: 0; border-radius: 12px; border: 0;
  background: transparent; color: var(--ink); cursor: pointer; transition: background .15s, transform .15s; }
.icon-btn:hover, .theme-btn:hover { background: var(--hover); filter: none; text-decoration: none; }
.bell { font-size: 1rem; }
.bell .badge { top: 1px; right: 0; }
.theme-btn .tm { display: none; line-height: 0; }
:root[data-theme-mode="auto"] .theme-btn .tm-auto, :root[data-theme-mode="light"] .theme-btn .tm-light,
:root[data-theme-mode="dark"] .theme-btn .tm-dark { display: block; animation: spinin .4s cubic-bezier(.2,1.4,.4,1); }
@keyframes spinin { from { transform: rotate(-90deg) scale(.5); opacity: 0; } }
.theme-btn.floating { position: fixed; top: 12px; right: 12px; z-index: 20; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.logout-btn .ic { display: none; }
@media (max-width: 480px) {
  .top-inner { padding: .5rem 12px; }
  .brand { font-size: .98rem; }
  .logout-btn { width: 38px; height: 38px; padding: 0; justify-content: center; border-color: var(--line); color: var(--muted); }
  .logout-btn span { display: none; } .logout-btn .ic { display: block; }
}

/* индикатор активного пункта меню (ездит за курсором) */
nav.menu { position: relative; }
nav.menu a { position: relative; z-index: 1; transition: color .2s; }
nav.menu.has-ind a.active, nav.menu.has-ind a:hover { background: transparent; }
.menu-ind { position: absolute; z-index: 0; top: 0; left: 0; height: 0; border-radius: 99px; background: var(--accent-soft); pointer-events: none;
  transition: transform .3s cubic-bezier(.3,1.3,.5,1), width .3s cubic-bezier(.3,1.3,.5,1), opacity .2s; opacity: 0; }
.menu-ind.on { opacity: 1; }
nav.menu .badge { vertical-align: 1px; }

/* ---------- нижняя панель вкладок ученика (телефон) ---------- */
.tabbar, .sheet { display: none; }
@media (max-width: 760px) {
  nav.menu-student { display: none; }
  .tabbar { position: fixed; z-index: 40; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(5, 1fr);
    padding: 6px 6px calc(6px + env(safe-area-inset-bottom)); background: var(--tabbar-bg); border-top: 1px solid var(--line);
    backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); }
  main.has-tabbar { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
  .sheet:not([hidden]) { display: block; }
  #toasts { bottom: calc(84px + env(safe-area-inset-bottom)); }
}
.tb-item { all: unset; box-sizing: border-box; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 4px 0 2px;
  color: var(--muted); font-size: .7rem; font-weight: 600; letter-spacing: .01em; -webkit-tap-highlight-color: transparent; }
.tb-item:hover { text-decoration: none; color: var(--ink); filter: none; }
.tb-ic { position: relative; display: grid; place-items: center; width: 56px; height: 30px; border-radius: 99px; transition: background .25s, color .25s, transform .2s; }
.tb-ic .badge { position: absolute; top: -3px; right: 6px; font-size: .65rem; min-width: 1.05rem; line-height: 1.05rem; padding: 0 .25rem;
  box-shadow: 0 0 0 2px var(--card); }
.tb-item.active { color: var(--accent); }
.tb-item.active .tb-ic { background: var(--accent-soft); animation: tabpop .35s cubic-bezier(.2,1.6,.4,1); }
.tb-item:active .tb-ic { transform: scale(.9); }
.tb-item:focus-visible .tb-ic { outline: 2px solid var(--accent); outline-offset: 2px; }
@keyframes tabpop { from { transform: scaleX(.4); opacity: .3; } }
.tb-l { white-space: nowrap; }

/* «Ещё» — выезжающая снизу панель */
.sheet { position: fixed; inset: 0; z-index: 80; }
.sheet-backdrop { position: absolute; inset: 0; background: var(--overlay); animation: fadein .2s ease both; }
.sheet-panel { position: absolute; left: 0; right: 0; bottom: 0; max-height: 86vh; overflow: auto; background: var(--card); color: var(--ink);
  border-radius: 22px 22px 0 0; padding: 8px 16px calc(18px + env(safe-area-inset-bottom)); box-shadow: var(--shadow-lg);
  animation: sheetin .32s cubic-bezier(.2,.9,.3,1) both; }
.sheet.closing .sheet-panel { animation: sheetout .2s ease both; } .sheet.closing .sheet-backdrop { animation: fadeout .2s ease both; }
@keyframes sheetin { from { transform: translateY(100%); } } @keyframes sheetout { to { transform: translateY(100%); } }
.sheet-grab { width: 40px; height: 5px; border-radius: 99px; background: var(--line); margin: 2px auto 12px; }
.sheet-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.sheet-item { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px 4px 10px; border-radius: 14px; text-align: center;
  color: var(--ink); font-size: .8rem; font-weight: 600; line-height: 1.2; background: var(--surface-2); border: 1px solid var(--line); transition: transform .15s, border-color .15s; }
.sheet-item:hover { text-decoration: none; border-color: var(--accent); }
.sheet-item:active { transform: scale(.96); }
.sheet-item.active { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.si-ic { position: relative; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--card); color: var(--accent); }
.si-ic .badge { position: absolute; top: -5px; right: -7px; box-shadow: 0 0 0 2px var(--card); }
.sheet-row { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin: 14px 2px 8px; flex-wrap: wrap; }
.sheet-link { display: inline-flex; align-items: center; gap: .35rem; margin: 6px 2px 0; }
.seg { display: inline-flex; padding: 3px; border-radius: 12px; background: var(--surface-3); gap: 2px; }
.seg button { background: transparent; border: 0; color: var(--muted); font-size: .8rem; padding: .35rem .55rem; border-radius: 9px; gap: .25rem; }
.seg button[aria-checked="true"] { background: var(--card); color: var(--ink); box-shadow: var(--shadow); }
.seg button:hover { filter: none; color: var(--ink); }
body.sheet-open { overflow: hidden; }

/* ---------- сова Сигма ---------- */
.owl { display: block; flex: none; overflow: visible; }
.owl-shadow { fill: var(--owl-shadow); }
.owl-body, .owl-wing { fill: var(--owl-body); }
.owl-wing { filter: brightness(.88); }
.owl-belly { fill: var(--owl-belly); }
.owl-sigma { fill: var(--owl-sigma); font: 700 22px "Times New Roman", Georgia, serif; }
.owl-ring { fill: var(--owl-ring); }
.owl-eye { fill: var(--owl-eye); }
.owl-pupil { fill: var(--owl-pupil); }
.owl-glint { fill: #fff; }
.owl-lid { fill: var(--owl-body); }
.owl-lid-line, .owl-mouth { fill: none; stroke: var(--owl-pupil); stroke-width: 3; stroke-linecap: round; }
.owl-mouth { stroke-width: 1.6; stroke: #8a3d12; }
.owl-beak, .owl-feet { fill: var(--owl-beak); }
.owl-blush { fill: var(--owl-blush); opacity: .6; }
.owl-cap-top, .owl-cap-base { fill: var(--owl-cap); stroke: var(--owl-cap-edge); stroke-width: 1.2; stroke-linejoin: round; }
.owl-tassel { fill: none; stroke: var(--gold); stroke-width: 2; stroke-linecap: round; }
.owl-tassel-end { fill: var(--gold); }
.owl-extra { fill: var(--owl-extra); font: 700 14px system-ui, sans-serif; }
.owl-spark { fill: var(--gold); }
.owl-spark .s3 { fill: var(--accent); } .owl-spark .s4 { fill: var(--warm); }
.owl-bob, .owl-blink, .owl-wave, .owl-cheer-l, .owl-cheer-r, .owl-extra > *, .owl-tassel, .owl-tassel-end { transform-box: fill-box; }
@media (prefers-reduced-motion: no-preference) {
  .owl-bob { animation: owlbob 3.4s ease-in-out infinite; transform-origin: 50% 100%; }
  .owl-blink { animation: owlblink 5.2s infinite; transform-origin: center; }
  .owl-wave { animation: owlwave 2.6s ease-in-out infinite; transform-origin: 0% 100%; }
  .owl-cheer-l { animation: cheerl .7s ease-in-out infinite alternate; transform-origin: 100% 100%; }
  .owl-cheer-r { animation: cheerr .7s ease-in-out infinite alternate; transform-origin: 0% 100%; }
  .owl-celebrate .owl-bob { animation: owljump .7s ease-in-out infinite alternate; }
  .owl-sleepy .owl-bob { animation: owlbob 5s ease-in-out infinite; }
  .owl-zzz text { animation: zzz 3s ease-in-out infinite; opacity: 0; }
  .owl-zzz .z2 { animation-delay: .6s; } .owl-zzz .z3 { animation-delay: 1.2s; }
  .owl-spark > * { animation: twinkle2 1.4s ease-in-out infinite; transform-origin: center; }
  .owl-spark .s2 { animation-delay: .35s; } .owl-spark .s3 { animation-delay: .7s; } .owl-spark .s4 { animation-delay: 1s; }
  .owl-think circle, .owl-think text { animation: thinkdot 2.4s ease-in-out infinite; }
  .owl-think circle + circle { animation-delay: .25s; } .owl-think text { animation-delay: .5s; }
}
@keyframes owlbob { 50% { transform: translateY(-3px); } }
@keyframes owljump { from { transform: translateY(0); } to { transform: translateY(-6px); } }
@keyframes owlblink { 0%, 92%, 100% { transform: scaleY(1); } 95% { transform: scaleY(.1); } }
@keyframes owlwave { 0%, 60%, 100% { transform: rotate(0); } 15%, 45% { transform: rotate(-18deg); } 30% { transform: rotate(8deg); } }
@keyframes cheerl { to { transform: rotate(14deg); } } @keyframes cheerr { to { transform: rotate(-14deg); } }
@keyframes zzz { 0% { opacity: 0; transform: translate(0, 4px); } 30%, 70% { opacity: 1; } 100% { opacity: 0; transform: translate(4px, -6px); } }
@keyframes twinkle2 { 50% { transform: scale(.55); opacity: .5; } }
@keyframes thinkdot { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }

.owl-say { display: flex; align-items: center; gap: .65rem; }
.owl-bubble { position: relative; flex: 1; min-width: 0; background: var(--card); color: var(--ink); border: 1px solid var(--line); border-radius: 16px;
  padding: .6rem .85rem; font-weight: 600; line-height: 1.35; box-shadow: var(--shadow); }
.owl-bubble::before { content: ""; position: absolute; left: -7px; top: 50%; width: 12px; height: 12px; margin-top: -6px; background: inherit;
  border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); transform: rotate(45deg); }
@media (prefers-reduced-motion: no-preference) { .owl-bubble { animation: bubblein .5s .25s cubic-bezier(.2,1.5,.4,1) both; transform-origin: left center; } }
@keyframes bubblein { from { opacity: 0; transform: scale(.6); } }

/* пустые разделы с совой */
.empty-state .owl { margin: 0 auto .2rem; }

/* ---------- главная ученика ---------- */
.dash { display: flex; flex-direction: column; gap: 0; }
.dash .col { display: contents; }
.dash > *, .dash .col > * { order: var(--o, 50); }
@media (prefers-reduced-motion: no-preference) {
  main > .dash { animation: none; }
  .dash > *, .dash .col > * { animation: rise .45s cubic-bezier(.2,.8,.2,1) both; animation-delay: calc(var(--o, 0) * 45ms); }
}
@media (min-width: 900px) {
  .dash { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: 0 1.1rem; align-items: start; }
  .dash > .hero { grid-column: 1 / -1; }
  .dash .col { display: flex; flex-direction: column; }
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-bottom: .6rem; }
.card-head h3 { margin: 0; }
.kicker { display: inline-flex; align-items: center; gap: .35rem; font-size: .75rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* кольца прогресса */
.ring { display: block; width: 100%; height: 100%; transform: rotate(-90deg); overflow: visible; }
.ring circle { fill: none; stroke-width: 8; }
.ring-track { stroke: var(--track); }
.ring-val { stroke: var(--accent); stroke-linecap: round; stroke-dasharray: 100 100; stroke-dashoffset: calc(100 - var(--p, 0));
  transition: stroke-dashoffset .8s cubic-bezier(.2,.8,.2,1); }
@media (prefers-reduced-motion: no-preference) { .ring-val { animation: ringin 1.2s .2s cubic-bezier(.2,.8,.2,1) both; } }
@keyframes ringin { from { stroke-dashoffset: 100; } }

/* герой */
.hero { position: relative; overflow: hidden; padding: 1.1rem 1.1rem 1rem; border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--line));
  background: radial-gradient(120% 140% at 0% 0%, var(--hero-glow) 0, transparent 60%), radial-gradient(90% 120% at 100% 100%, color-mix(in srgb, var(--warm) 16%, transparent) 0, transparent 60%), var(--card); }
.hero::after { content: "∑  π  √x  a²+b²  ∞  ∫  Δ"; position: absolute; right: -10px; top: 6px; font: italic 600 1.1rem "Times New Roman", serif;
  letter-spacing: .4em; color: var(--accent); opacity: .08; white-space: nowrap; pointer-events: none; }
.hero-top { display: flex; align-items: center; gap: .9rem; }
.lvl-ring { position: relative; flex: none; width: 84px; height: 84px; display: grid; place-items: center; border-radius: 50%; transition: transform .2s; }
.lvl-ring:hover { text-decoration: none; transform: scale(1.04); }
.lvl-ring .ring { position: absolute; inset: 0; }
.lvl-ring .ring circle { stroke-width: 7; }
.lvl-ring .ava.lg { width: 64px; height: 64px; font-size: 2.2rem; }
.lvl-ring .lvl-num { position: absolute; right: -2px; bottom: 0; min-width: 1.6rem; height: 1.6rem; padding: 0 .35rem; border-radius: 99px;
  display: grid; place-items: center; font-size: .8rem; font-weight: 800; color: var(--on-accent); background: var(--accent); box-shadow: 0 0 0 3px var(--card); }
.hero-greet { font-size: 1.45rem; line-height: 1.15; margin: 0 0 .15rem; letter-spacing: -.02em; }
.hero-lvl { font-size: .95rem; }
#gb-points { font-weight: 700; color: var(--accent); }
.hero-streak { align-self: flex-start; padding: .35rem .5rem .3rem; border-radius: 14px; background: color-mix(in srgb, var(--ink) 5%, transparent); min-width: 54px; }
.hero-streak.on { background: color-mix(in srgb, var(--warm) 18%, transparent); }
.hero-streak b { font-size: 1.15rem; }
.hero-owl { margin-top: .85rem; }
.gamebar.lvl-up .gb-ava, .hero.lvl-up .gb-ava { animation: lvlpop .9s cubic-bezier(.2, 1.6, .4, 1); }

/* цель дня */
.today-card { display: flex; align-items: center; gap: 1rem; }
.today-ring { position: relative; flex: none; width: 96px; height: 96px; }
.today-ring .ring circle { stroke-width: 10; }
.today-card.done .ring-val { stroke: var(--ok); }
.ring-num { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; line-height: 1; }
.ring-num b { font-size: 1.7rem; font-variant-numeric: tabular-nums; }
.ring-num span { font-size: .72rem; color: var(--muted); margin-top: .15rem; }
.today-text { font-weight: 600; margin: .15rem 0 .55rem; line-height: 1.3; }
.today-cta { padding: .55rem 1.1rem; border-radius: 12px; box-shadow: 0 4px 14px color-mix(in srgb, var(--accent) 30%, transparent); }
.today-card.done .today-cta { background: var(--card); color: var(--accent); box-shadow: none; }

/* список дел */
.todo-count { font-size: .8rem; font-weight: 700; color: var(--muted); background: var(--surface-3); padding: .1rem .5rem; border-radius: 99px; }
.todo-list { list-style: none; margin: 0 -.4rem; padding: 0; display: grid; gap: 2px; }
.todo-item { position: relative; display: flex; align-items: center; gap: .6rem; padding: .55rem .5rem; border-radius: 12px; color: var(--ink); transition: background .15s, transform .15s; }
.todo-item:hover { text-decoration: none; background: var(--hover); }
.todo-item:active { transform: scale(.985); }
.todo-check { flex: none; width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--input-line); display: grid; place-items: center; color: transparent; transition: all .25s; }
.todo-item.done .todo-check { background: var(--ok); border-color: var(--ok); color: var(--on-ok); }
.todo-ic { flex: none; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.tone-warn .todo-ic { background: var(--warn-soft); color: var(--warn); }
.tone-gold .todo-ic { background: color-mix(in srgb, var(--gold) 22%, var(--card)); color: color-mix(in srgb, var(--gold) 55%, var(--ink)); }
.todo-t { display: block; font-weight: 600; line-height: 1.25; overflow-wrap: anywhere; }
.todo-s { display: block; font-size: .8rem; color: var(--muted); }
.tone-warn:not(.done) .todo-s { color: var(--warn); }
.todo-item.done .todo-t { color: var(--muted); text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--muted) 60%, transparent); }
.todo-item.done .todo-ic { filter: grayscale(.6); opacity: .6; }
.chev { color: var(--muted); font-size: 1.4rem; line-height: 1; }

/* ближайшее занятие */
.next-lesson { border-top: 4px solid var(--accent); }
.nl-main { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; flex-wrap: wrap; }
.nl-date { font-size: 1.3rem; font-weight: 800; letter-spacing: -.01em; }
.nl-time { font-size: 1.9rem; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; letter-spacing: -.02em; line-height: 1; }
.nl-topic { margin: .15rem 0 .65rem; }
.nl-actions { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.nl-in { white-space: nowrap; }
.nl-more { margin-top: .75rem; border-top: 1px dashed var(--line); }
.nl-more > li:first-child { border-top: 0; }
.nl-more b { font-weight: 600; font-size: .95rem; }
.more-link { display: inline-block; margin-top: .5rem; font-weight: 600; }

/* цель / мини-статистика / быстрые кнопки на главной */
.goal-head { display: flex; align-items: center; gap: .6rem; }
.goal-ic { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; background: color-mix(in srgb, var(--warm) 22%, var(--card)); color: var(--warm-2); flex: none; }
.mini-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem; margin-bottom: 1rem; }
.mini { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .65rem .7rem; color: var(--ink); box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: .1rem; transition: transform .2s, box-shadow .2s, border-color .2s; }
.mini b { font-size: 1.45rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.mini span { font-size: .75rem; color: var(--muted); line-height: 1.25; }
.mini.warn b { color: var(--warn); }
.mini:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow-hover); }
.dash .quick { grid-template-columns: 1fr 1fr; }
.quick-btn { box-shadow: var(--shadow); }
.q-ic { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-size: 1rem !important; flex: none; }
.dash .review-card { margin-bottom: 1rem; }
.push-wrap .push-box { box-shadow: none; background: transparent; border-style: dashed; }
.push-wrap .push-box h3 { font-size: .95rem; }
.dash-foot { margin: .25rem 0 0; }
.hw-card .list > li { padding: .55rem 0; }

/* ---------- общее оформление: карточки, кнопки, анимации ---------- */
.card { box-shadow: var(--shadow); }
a.card:hover, .topic-card:hover, .quick-btn:hover, a.stat:hover { box-shadow: var(--shadow-hover); }
button, .btn { transition: transform .12s ease, filter .15s, background .15s, box-shadow .2s; }
button:active, .btn:active { transform: scale(.96); }
button:focus-visible, .btn:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
main > * { animation-duration: .45s; animation-timing-function: cubic-bezier(.2,.8,.2,1); }
main > *:nth-child(6) { animation-delay: .2s; } main > *:nth-child(n+7) { animation-delay: .24s; }
.flash { border: 1px solid transparent; }
.flash.ok { border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.flash.error { border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.toast { animation: toastin .4s cubic-bezier(.2,1.4,.4,1) both; }
@keyframes toastin { from { opacity: 0; transform: translateY(24px) scale(.94); } }
::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--muted) 80%, transparent); }
input[type=checkbox], input[type=radio], input[type=range] { accent-color: var(--accent); }
.dot { box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--card) 70%, transparent); }

/* вход */
.auth { margin-top: 2rem; }
.auth-owl { display: flex; justify-content: center; margin-bottom: -.4rem; position: relative; z-index: 1; }
.auth-owl .owl-say { flex-direction: row; max-width: 360px; }
.auth .card { box-shadow: var(--shadow-hover); }

/* поздравления: сова в углу */
.cel-owl { position: absolute; z-index: 3; left: 10px; bottom: 8px; width: 58px; height: 58px; pointer-events: none; }
.cel-owl .owl { width: 58px; height: 58px; }
@media (prefers-reduced-motion: no-preference) { .cel-owl { animation: owlpeek .6s .35s cubic-bezier(.2,1.5,.4,1) both; } }
@keyframes owlpeek { from { transform: translateY(40px) rotate(-10deg); opacity: 0; } }
.cel-card { padding-bottom: 1.4rem; }

/* финиш тренажёра */
.tr-finish { display: flex; align-items: center; gap: 1rem; }
.tr-finish .owl { flex: none; }
@media (max-width: 480px) { .tr-finish { flex-direction: column; text-align: center; } .tr-finish .actions { justify-content: center; } }

/* полоса уровня (тренажёр) */
.gamebar .gb-ava .lvl-num { box-shadow: 0 0 0 2px var(--card); }

@media (max-width: 480px) {
  main { padding: 1rem 12px 3rem; }
  .card { padding: .9rem .95rem; }
  .hero-greet { font-size: 1.3rem; }
  .lvl-ring { width: 76px; height: 76px; }
  .lvl-ring .ava.lg { width: 56px; height: 56px; font-size: 1.9rem; }
  .today-ring { width: 86px; height: 86px; }
  .nl-date { font-size: 1.15rem; } .nl-time { font-size: 1.6rem; }
}

@media print {
  .top, .tabbar, .sheet, .theme-btn, #toasts { display: none !important; }
  body { background: #fff; color: #000; }
}

/* ---------- доводка ---------- */
.pill { white-space: nowrap; }
.review-start .grow { flex: 1 1 170px; }
@media (max-width: 560px) { .review-start .btn-big { flex: 1 1 100%; justify-content: center; } }
input[type=file]::file-selector-button { font: inherit; font-size: .85rem; font-weight: 600; margin-right: .6rem; padding: .3rem .7rem; border-radius: 8px;
  border: 1px solid var(--accent); background: var(--accent-soft); color: var(--accent); cursor: pointer; }
/* цвета учеников на тёмном фоне — чуть светлее */
.heat-wrap { --heat-c: color-mix(in srgb, var(--heat), white var(--sc-lift)); }
.hc.l1 { background: color-mix(in srgb, var(--heat-c) 28%, var(--card)); }
.hc.l2 { background: color-mix(in srgb, var(--heat-c) 50%, var(--card)); }
.hc.l3 { background: color-mix(in srgb, var(--heat-c) 75%, var(--card)); }
.hc.l4 { background: var(--heat-c); }
:root[data-theme="dark"] .dot { filter: brightness(1.3) saturate(1.1); }
.cel-owl { left: 10px; top: 10px; bottom: auto; }
@media (min-width: 900px) {
  .hero { display: flex; align-items: center; gap: 1.5rem; padding: 1.2rem 1.4rem; }
  .hero-top { flex: 1; min-width: 0; }
  .hero-owl { margin-top: 0; flex: 0 1 430px; }
  .hero-streak { align-self: center; }
}

/* ================================================================ версия 8: квесты недели, магазин, темы, рамки, наряды совы */

/* ---------- темы оформления (data-accent на <html>): светлый и тёмный вариант каждой ---------- */
:root[data-theme="light"][data-accent="ocean"] { --accent: #1f5fa8; --accent-soft: #e3edf8; --accent-2: #4a8fd6; --accent-line: #c9dcf1; --hero-glow: #e3edf8; --owl-body: #1f5fa8; --owl-sigma: #1f5fa8; --owl-ring: #d3e3f5; --owl-belly: #eef4fb; }
:root[data-theme="light"][data-accent="forest"] { --accent: #2e6b2f; --accent-soft: #e6f2e3; --accent-2: #5fa35a; --accent-line: #cde3c8; --hero-glow: #e6f2e3; --owl-body: #3d7a35; --owl-sigma: #2e6b2f; --owl-ring: #d6e9d0; --owl-belly: #f1f7ee; }
:root[data-theme="light"][data-accent="sunset"] { --accent: #c2410c; --accent-soft: #fdeee4; --accent-2: #f08a4b; --accent-line: #f3cfb8; --hero-glow: #fdeee4; --owl-body: #c2551c; --owl-sigma: #c2410c; --owl-ring: #f8dcc8; --owl-belly: #fdf3ec; }
:root[data-theme="light"][data-accent="sakura"] { --accent: #b83a6e; --accent-soft: #fbe8f0; --accent-2: #e27aa5; --accent-line: #f2cadb; --hero-glow: #fbe8f0; --owl-body: #c4507f; --owl-sigma: #b83a6e; --owl-ring: #f6d6e3; --owl-belly: #fdf1f6; }
:root[data-theme="light"][data-accent="space"] { --accent: #5b3fb5; --accent-soft: #ece8fa; --accent-2: #8b72e0; --accent-line: #d8cff4; --hero-glow: #ece8fa; --owl-body: #5b3fb5; --owl-sigma: #5b3fb5; --owl-ring: #ddd5f6; --owl-belly: #f3f0fc; }
:root[data-theme="light"][data-accent="neon"] { --accent: #0e7490; --accent-soft: #e0f5fa; --accent-2: #d946ef; --accent-line: #bde6ef; --hero-glow: #f6e5fb; --owl-body: #0e7490; --owl-sigma: #0e7490; --owl-ring: #c9eef5; --owl-belly: #eefafc; }
@media screen {
  :root[data-theme="dark"][data-accent="ocean"] { --accent: #6cb2f0; --accent-soft: #15304a; --accent-2: #9fcdf7; --accent-line: #24496b; --on-accent: #061a2c; --hero-glow: #15304a; --owl-body: #3f86c8; --owl-sigma: #2a6aa8; --owl-ring: #c3dcf3; --il-accent: #4f95d4; --bg: #0c1622; --card: #13212f; --line: #22364a; --surface-2: #172839; --surface-3: #1c3045; --hover: #1a2d41; --input-bg: #0e1b28; --input-line: #2f4a63; --track: #1f3347; }
  :root[data-theme="dark"][data-accent="forest"] { --accent: #7fcf72; --accent-soft: #1a3519; --accent-2: #a9e39d; --accent-line: #2f5a2b; --on-accent: #0a2108; --hero-glow: #1a3519; --owl-body: #4f9a45; --owl-sigma: #3a7d33; --owl-ring: #cde8c6; --il-accent: #5fae55; --bg: #0d1a10; --card: #142618; --line: #24392a; --surface-2: #182d1d; --surface-3: #1e3623; --hover: #1b3320; --input-bg: #0f2113; --input-line: #33503a; --track: #213a27; }
  :root[data-theme="dark"][data-accent="sunset"] { --accent: #ff9f6b; --accent-soft: #3d2216; --accent-2: #ffc29e; --accent-line: #6b3a22; --on-accent: #2b1006; --hero-glow: #3d2216; --owl-body: #d9733e; --owl-sigma: #b5541f; --owl-ring: #f5d6c4; --il-accent: #e58350; --bg: #1a110d; --card: #261913; --line: #3d2a20; --surface-2: #2d1e17; --surface-3: #35241b; --hover: #33221a; --input-bg: #1f140f; --input-line: #553728; --track: #3a281e; }
  :root[data-theme="dark"][data-accent="sakura"] { --accent: #f58fbc; --accent-soft: #3e1a2b; --accent-2: #fbb8d5; --accent-line: #6d2d4a; --on-accent: #2e0717; --hero-glow: #3e1a2b; --owl-body: #cf5f92; --owl-sigma: #a8406f; --owl-ring: #f7d3e3; --il-accent: #e0779f; --bg: #1a0f15; --card: #26161f; --line: #3d2431; --surface-2: #2e1a25; --surface-3: #36202c; --hover: #331e29; --input-bg: #1f1219; --input-line: #573246; --track: #3b2431; }
  :root[data-theme="dark"][data-accent="space"] { --accent: #a996ff; --accent-soft: #251d4a; --accent-2: #c8bbff; --accent-line: #3d3275; --on-accent: #140c33; --hero-glow: #251d4a; --owl-body: #7a63d6; --owl-sigma: #5a44b5; --owl-ring: #dcd4fb; --il-accent: #8c78ea; --bg: #0f0d1f; --card: #18152f; --line: #2a2550; --surface-2: #1d1938; --surface-3: #231e43; --hover: #211c3f; --input-bg: #121026; --input-line: #3a3466; --track: #272247; }
  :root[data-theme="dark"][data-accent="neon"] { --accent: #22d3ee; --accent-soft: #0c2f3a; --accent-2: #f0abfc; --accent-line: #155e75; --on-accent: #04232b; --hero-glow: #2a1238; --owl-body: #13a3bf; --owl-sigma: #0b7a90; --owl-ring: #c6f2fa; --il-accent: #1fb8d2; --bg: #0a1018; --card: #111a26; --line: #1f3040; --surface-2: #152030; --surface-3: #1a2738; --hover: #182434; --input-bg: #0c141e; --input-line: #2a4256; --track: #1c2a3a; }
}

/* ---------- монеты (баланс) ---------- */
.coin-chip { display: inline-flex; align-items: center; gap: .3rem; margin-top: .35rem; padding: .18rem .6rem .18rem .45rem; border-radius: 99px;
  background: color-mix(in srgb, var(--gold) 22%, var(--card)); color: var(--ink); font-size: .85rem;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--gold) 55%, transparent); white-space: nowrap; }
.coin-chip:hover { text-decoration: none; filter: brightness(1.04); }
.coin-chip b { font-variant-numeric: tabular-nums; }
.coin-chip .cc-l { color: var(--muted); font-size: .78rem; }
.gamebar .gb-coins { margin-top: 0; flex: none; }
@media (max-width: 480px) { .gamebar .gb-coins { padding: .15rem .45rem; font-size: .8rem; } .gamebar { gap: .6rem; } }

/* ---------- квесты недели ---------- */
.quests { border-top: 4px solid var(--accent); }
.q-head h3 { display: flex; align-items: center; gap: .4rem; }
.q-h-ic { font-size: 1.1rem; }
.q-left { font-size: .78rem; color: var(--muted); white-space: nowrap; }
.q-left.last { color: var(--warn); font-weight: 700; }
.q-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.q-item { display: flex; align-items: center; gap: .7rem; padding: .6rem .7rem; border-radius: 12px; background: var(--surface-2);
  border: 1px solid var(--line); }
.q-ic { width: 2.3rem; height: 2.3rem; flex: none; display: grid; place-items: center; border-radius: 10px; font-size: 1.2rem;
  background: color-mix(in srgb, var(--accent) 14%, var(--card)); }
.q-item.tier-medium .q-ic { background: color-mix(in srgb, var(--warm) 22%, var(--card)); }
.q-item.tier-hard .q-ic { background: color-mix(in srgb, var(--gold) 30%, var(--card)); }
.q-body { flex: 1; min-width: 0; }
.q-title { font-weight: 600; font-size: .93rem; line-height: 1.3; }
.q-meta { display: flex; justify-content: space-between; gap: .5rem; font-size: .74rem; color: var(--muted); margin: .15rem 0 .3rem; }
.q-tier { text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
.tier-easy .q-tier { color: var(--accent); } .tier-medium .q-tier { color: var(--warm-2); }
.tier-hard .q-tier { color: color-mix(in srgb, var(--gold) 45%, var(--ink)); }
.q-num { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }
.q-bar { height: 7px; border-radius: 99px; background: var(--track); overflow: hidden; }
.q-bar span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .6s cubic-bezier(.2,.8,.2,1); }
.q-item.done .q-bar span { background: linear-gradient(90deg, var(--ok), color-mix(in srgb, var(--ok) 60%, var(--gold))); }
.q-act { flex: none; }
.q-act form { margin: 0; }
.q-reward { display: inline-block; font-weight: 700; font-size: .85rem; color: var(--muted); padding: .2rem .5rem; border-radius: 99px;
  background: var(--card); border: 1px dashed var(--line); white-space: nowrap; }
.q-reward.lock { border-style: solid; }
.q-got { display: inline-block; font-weight: 700; font-size: .85rem; color: var(--ok); white-space: nowrap; }
.q-claim { padding: .4rem .75rem; border-radius: 99px; font-size: .85rem; border: 0; color: #3b2a00; white-space: nowrap;
  background: linear-gradient(135deg, #ffd96a, var(--gold) 55%, #e8a92b); box-shadow: 0 3px 10px color-mix(in srgb, var(--gold) 45%, transparent); }
.q-claim b { font-weight: 800; }
@media (prefers-reduced-motion: no-preference) { .q-claim { animation: qpulse 1.8s ease-in-out infinite; } }
@keyframes qpulse { 50% { transform: scale(1.06); box-shadow: 0 4px 16px color-mix(in srgb, var(--gold) 65%, transparent); } }
.q-item.done:not(.claimed) { border-color: color-mix(in srgb, var(--gold) 70%, var(--line)); background: color-mix(in srgb, var(--gold) 9%, var(--card)); }
.q-item.claimed { opacity: .72; }
.q-item.claimed .q-title { text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--muted) 60%, transparent); }
.q-chest { display: flex; align-items: center; gap: .7rem; margin-top: .6rem; padding: .55rem .7rem; border-radius: 12px;
  border: 1px dashed color-mix(in srgb, var(--gold) 60%, var(--line)); }
.q-chest form { margin: 0; }
.chest-ic { font-size: 1.6rem; width: 2.3rem; text-align: center; flex: none; filter: grayscale(.6); opacity: .75; }
.q-chest.ready { border-style: solid; background: color-mix(in srgb, var(--gold) 14%, var(--card)); }
.q-chest.ready .chest-ic, .q-chest.opened .chest-ic { filter: none; opacity: 1; }
@media (prefers-reduced-motion: no-preference) { .q-chest.ready .chest-ic { animation: chestwiggle 1.4s ease-in-out infinite; } }
@keyframes chestwiggle { 0%, 60%, 100% { transform: rotate(0); } 70% { transform: rotate(-12deg) scale(1.1); } 80% { transform: rotate(10deg) scale(1.1); } 90% { transform: rotate(-6deg); } }
.q-pips { display: flex; align-items: center; gap: .3rem; margin-top: .2rem; }
.q-pips i { width: 18px; height: 6px; border-radius: 99px; background: var(--track); }
.q-pips i.on { background: var(--gold); }
@media (max-width: 480px) {
  .q-item { gap: .55rem; padding: .55rem .6rem; }
  .q-ic { width: 2rem; height: 2rem; font-size: 1.05rem; }
  .q-title { font-size: .88rem; }
  .q-claim { padding: .38rem .6rem; font-size: .8rem; }
}
/* поздравления квеста и сундука */
.celebrate.cel-quest .cel-rays, .celebrate.cel-chest .cel-rays, .celebrate.cel-shop .cel-rays {
  background: repeating-conic-gradient(from 0deg, color-mix(in srgb, var(--gold) 45%, transparent) 0 10deg, transparent 10deg 30deg); }
.celebrate.cel-quest .cel-kicker, .celebrate.cel-chest .cel-kicker { color: color-mix(in srgb, var(--gold) 40%, var(--ink)); }
.celebrate.cel-shop .cel-icon { --ava: var(--accent); }
@media (prefers-reduced-motion: no-preference) {
  .celebrate.cel-chest .cel-icon span { display: inline-block; animation: chestopen 1s .15s cubic-bezier(.2,1.6,.4,1) both; }
  .celebrate.cel-shop .cel-icon span { display: inline-block; animation: chestopen .8s .1s cubic-bezier(.2,1.6,.4,1) both; }
}
@keyframes chestopen { 0% { transform: scale(.3) rotate(-20deg); } 45% { transform: scale(1.35) rotate(10deg); } 70% { transform: scale(.95) rotate(-4deg); } 100% { transform: scale(1) rotate(0); } }
.freeze-note { margin-top: .7rem; padding: .45rem .7rem; border-radius: 10px; font-size: .88rem;
  background: color-mix(in srgb, #6cc3f0 18%, var(--card)); border: 1px solid color-mix(in srgb, #6cc3f0 45%, var(--line)); }
.shop-link { display: inline-block; margin-top: .25rem; }

/* ---------- рамки для аватарки ---------- */
.ava.fr { position: relative; --fw: max(2px, .1em); }
.ava.fr::before { content: ""; position: absolute; inset: calc(-1 * var(--fw) - 1px); border-radius: 50%; padding: var(--fw); pointer-events: none;
  background: var(--frame-bg); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.ava.fr::after { position: absolute; pointer-events: none; line-height: 1; font-size: .34em; }
.ava.ring.fr { box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--ava) 50%, var(--card)); }
.ava.fr-silver { --frame-bg: linear-gradient(135deg, #f7f9fb, #9aa3ad 35%, #eef1f4 55%, #7b848e 80%, #dfe3e8); }
.ava.fr-gold { --frame-bg: linear-gradient(135deg, #fff3b0, #d4a017 30%, #fff0a0 52%, #b8860b 78%, #ffe27a);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--ava) 50%, var(--card)), 0 0 10px rgba(242, 193, 78, .55); }
.ava.fr-ice { --frame-bg: linear-gradient(160deg, #ffffff, #8fdcfb 30%, #e8fbff 50%, #4aa8d8 75%, #c9f1ff);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--ava) 50%, var(--card)), 0 0 9px rgba(120, 205, 245, .55); }
.ava.fr-ice::after { content: "❄️"; right: -.18em; top: -.2em; }
.ava.fr-fire { --frame-bg: conic-gradient(from 200deg, #ff3d00, #ffb300, #ff6d00, #ff1f4b, #ffc400, #ff3d00);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--ava) 50%, var(--card)), 0 0 12px rgba(255, 100, 0, .6); }
.ava.fr-fire::after { content: "🔥"; left: 50%; bottom: -.3em; transform: translateX(-50%); }
.ava.fr-stars { --frame-bg: linear-gradient(135deg, #2b1e6e, #4b3cb8 40%, #1b2a6b 70%, #6d5bd8); --fw: max(2.5px, .12em);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--ava) 50%, var(--card)), 0 0 10px rgba(110, 90, 220, .5); }
.ava.fr-stars::after { content: "✦"; right: -.12em; top: -.18em; color: #ffd75e; font-size: .42em; text-shadow: -1.9em 2.1em 0 #fff3b8, -.4em 2.6em 0 #ffd75e; }
.ava.fr-rainbow { --frame-bg: conic-gradient(from var(--fr-a, 0deg), #ff4d4d, #ffa64d, #ffe14d, #5fd35f, #4dc3ff, #6f6bff, #d65cff, #ff4d4d); }
.ava.fr-cosmos { --frame-bg: conic-gradient(from var(--fr-a, 0deg), #2b0a5e, #7b2ff7, #00d4ff, #2b0a5e 55%, #ff4fd8, #7b2ff7, #2b0a5e); --fw: max(2.5px, .12em);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--ava) 50%, var(--card)), 0 0 12px rgba(123, 47, 247, .55); }
@property --fr-a { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@media (prefers-reduced-motion: no-preference) {
  .ava.fr-rainbow::before, .ava.fr-cosmos::before { animation: frspin 4s linear infinite; }
  .ava.fr-cosmos::before { animation-duration: 7s; }
  .ava.fr-fire::before { animation: frflick 1.6s ease-in-out infinite alternate; }
  .ava.fr-stars::after { animation: frtwinkle 2.4s ease-in-out infinite; }
}
@keyframes frspin { to { --fr-a: 360deg; } }
@keyframes frflick { from { filter: saturate(1) brightness(1); } to { filter: saturate(1.3) brightness(1.15) hue-rotate(-12deg); } }
@keyframes frtwinkle { 50% { opacity: .35; transform: scale(.75); } }

/* ---------- наряды для совы ---------- */
.owl-scarf .sc-band, .owl-scarf .sc-tail { fill: #d64545; stroke: #a32c2c; stroke-width: 1; stroke-linejoin: round; }
.owl-scarf .sc-stripe { fill: none; stroke: #fff3e0; stroke-width: 2.4; stroke-linecap: round; opacity: .9; }
.owl-bow .bw { fill: #e0457b; stroke: #a8264f; stroke-width: 1; stroke-linejoin: round; }
.owl-bow .bw-knot { fill: #b8285a; }
.owl-glasses circle { fill: rgba(255, 255, 255, .12); stroke: #23262b; stroke-width: 2.6; }
.owl-glasses path { fill: none; stroke: #23262b; stroke-width: 2.6; stroke-linecap: round; }
.owl-crown .cr { fill: #f2c14e; stroke: #b8860b; stroke-width: 1.4; stroke-linejoin: round; }
.owl-crown .cr-band { fill: #e0a800; stroke: #b8860b; stroke-width: 1; }
.owl-crown .cr-gem { fill: #e0457b; } .owl-crown .cr-gem2 { fill: #4dc3ff; }
.owl-wizard .wz { fill: #5b3fb5; stroke: #3d2a80; stroke-width: 1.2; stroke-linejoin: round; }
.owl-wizard .wz-brim { fill: #4a3299; stroke: #3d2a80; stroke-width: 1.2; }
.owl-wizard .wz-star { fill: #ffd75e; }
.owl-phones .hp-band { fill: none; stroke: #2f3440; stroke-width: 5; stroke-linecap: round; }
.owl-phones .hp-cup { fill: #e2574c; stroke: #2f3440; stroke-width: 2; }
.owl-phones .hp-pad { fill: #2f3440; }
:root[data-theme="dark"] .owl-glasses circle, :root[data-theme="dark"] .owl-glasses path { stroke: #0b1517; }
@media (prefers-reduced-motion: no-preference) {
  .owl-wizard .wz-star { animation: frtwinkle 2.2s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
  .owl-scarf .sc-tail { animation: scarfwave 2.6s ease-in-out infinite; transform-box: fill-box; transform-origin: 50% 0; }
}
@keyframes scarfwave { 50% { transform: rotate(-7deg); } }

/* ---------- магазин ---------- */
.shop-hero { display: grid; grid-template-columns: 1fr auto; gap: .4rem 1rem; align-items: center;
  background: radial-gradient(120% 140% at 100% 0%, color-mix(in srgb, var(--gold) 20%, var(--card)), var(--card) 60%); }
.shop-hero h1 { margin: 0 0 .2rem; }
.shop-hero p { margin: 0; }
.sh-bal { display: flex; align-items: center; gap: .55rem; padding: .5rem .9rem; border-radius: 14px; background: var(--card);
  box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--gold) 70%, transparent), 0 4px 14px color-mix(in srgb, var(--gold) 25%, transparent); }
.sh-bal b { display: block; font-size: 1.6rem; line-height: 1.1; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.sh-bal .small { display: block; line-height: 1.2; }
.sh-coin { font-size: 2rem; }
@media (prefers-reduced-motion: no-preference) { .sh-coin { animation: coinspin 4s ease-in-out infinite; display: inline-block; } }
@keyframes coinspin { 0%, 80%, 100% { transform: rotateY(0); } 90% { transform: rotateY(180deg); } }
.sh-stats { grid-column: 1 / -1; }
.shop-tabs { display: flex; gap: .4rem; overflow-x: auto; scrollbar-width: none; margin: 0 0 .4rem; padding-bottom: .2rem; }
.shop-tabs::-webkit-scrollbar { display: none; }
.shop-tabs a { white-space: nowrap; padding: .35rem .8rem; border-radius: 99px; background: var(--card); border: 1px solid var(--line); color: var(--ink); font-size: .9rem; }
.shop-tabs a:hover { text-decoration: none; border-color: var(--accent); }
.shop-sec { scroll-margin-top: 120px; }
.shop-sec-head { display: flex; align-items: baseline; gap: .3rem .8rem; flex-wrap: wrap; margin: 1.2rem 0 .6rem; }
.shop-sec-head h2 { margin: 0; }
.shop-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .8rem; }
.item { display: flex; flex-direction: column; margin: 0; padding: 0; overflow: hidden; scroll-margin-top: 130px; transition: transform .15s, box-shadow .2s; }
.item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.item.active { border: 2px solid var(--accent); }
.item-prev { position: relative; display: grid; place-items: center; min-height: 118px; padding: .8rem;
  background: radial-gradient(circle at 50% 40%, var(--accent-soft), var(--surface-2) 70%); }
.item-flag { position: absolute; top: .5rem; right: .5rem; padding: .1rem .5rem; border-radius: 99px; font-size: .72rem; font-weight: 700;
  background: var(--accent); color: var(--on-accent); }
.item-body { padding: .7rem .85rem .2rem; flex: 1; }
.item-title { font-weight: 700; }
.item-desc { margin-top: .1rem; line-height: 1.35; }
.item-foot { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; padding: .6rem .85rem .85rem; }
.item-foot form { margin: 0; }
.btn-buy { border-radius: 99px; font-size: .88rem; padding: .4rem .85rem; }
.btn-buy:disabled { background: var(--surface-3); color: var(--muted); border-color: var(--line); cursor: not-allowed; opacity: 1; }
.btn-equip { border-radius: 99px; font-size: .88rem; padding: .35rem .85rem; }
.item-note { font-size: .85rem; color: var(--muted); font-weight: 600; }
.item-own { margin-left: auto; }
/* превью темы: светлая и тёмная половинки */
.th-prev { display: grid; grid-template-columns: 1fr 1fr; width: 100%; max-width: 210px; height: 92px; border-radius: 12px; overflow: hidden;
  box-shadow: 0 0 0 1px var(--line), 0 4px 12px rgba(0,0,0,.08); }
.th-half { position: relative; padding: 8px; display: flex; flex-direction: column; gap: 5px; }
.th-light { background: #f6f5f2; --c: var(--a); --soft: var(--s); --ink2: #c9c6be; }
.th-dark { background: var(--db); --c: var(--da); --soft: color-mix(in srgb, var(--da) 22%, var(--db)); --ink2: rgba(255,255,255,.18); }
.th-half i { display: block; border-radius: 4px; }
.th-bar { height: 10px; background: var(--c); width: 100%; }
.th-chip { height: 14px; width: 60%; background: var(--soft); border-radius: 99px !important; }
.th-line { height: 5px; width: 85%; background: var(--ink2); } .th-line.short { width: 55%; }
.th-btn { height: 14px; width: 48%; margin-top: auto; background: var(--c); border-radius: 99px !important; }
.fr-prev .ava.lg { width: 4.4rem; height: 4.4rem; font-size: 2.4rem; }
.owl-prev .owl { width: 92px; height: 92px; }
.shop-owl .item-prev { padding-top: 1rem; }
.fz-prev { position: relative; font-size: 3rem; line-height: 1; }
.fz-prev .fz-fire { position: absolute; right: -1.1rem; bottom: -.3rem; font-size: 1.6rem; filter: saturate(.6); }
@media (prefers-reduced-motion: no-preference) { .fz-prev .fz-flake { display: inline-block; animation: frspinflake 6s linear infinite; } }
@keyframes frspinflake { to { transform: rotate(360deg); } }
.fz-stock { display: flex; align-items: center; gap: .3rem; margin-top: .45rem; }
.fz-stock > span:not(.small) { font-size: 1.15rem; filter: grayscale(1); opacity: .3; }
.fz-stock > span.on { filter: none; opacity: 1; }
.fz-saved { margin-top: .3rem; color: var(--accent); }
.shop-foot { margin-top: 1.5rem; text-align: center; }
@media (max-width: 560px) {
  .shop-hero { grid-template-columns: 1fr; }
  .sh-bal { justify-self: start; }
  .shop-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem; }
  .shop-theme.shop-grid, .shop-freeze.shop-grid { grid-template-columns: 1fr; }
  .shop-theme .item { flex-direction: row; flex-wrap: wrap; }
  .shop-theme .item-prev { flex: 0 0 132px; min-height: 0; padding: .6rem; }
  .shop-theme .th-prev { height: 78px; }
  .shop-theme .item-body { flex: 1 1 0; min-width: 0; padding: .6rem .7rem 0; }
  .shop-theme .item-foot { flex: 1 0 100%; padding-top: .4rem; }
  .item-prev { min-height: 100px; padding: .6rem; }
  .item-body { padding: .55rem .65rem .1rem; }
  .item-foot { padding: .5rem .65rem .7rem; }
  .btn-buy, .btn-equip { font-size: .8rem; padding: .38rem .7rem; }
  .item-own { margin-left: 0; }
}

/* ---------- репетитор: квесты, баланс, бонусные очки ---------- */
.progress-card .mini-stats { grid-template-columns: repeat(3, 1fr); }
.grant { margin-top: .5rem; }
.grant summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.grant-form { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .45rem; }
.grant-form input[type=number] { width: 5.5rem; }
.grant-form input[type=text] { flex: 1 1 160px; }

/* ================================================================ онлайн-доска: список досок и карточка на главной (board.py) */
.bdl-new { display: flex; gap: .6rem; align-items: flex-end; flex-wrap: wrap; }
.bdl-new label { display: flex; flex-direction: column; gap: .2rem; font-size: .85rem; color: var(--muted); }
.bdl-new .grow { flex: 1 1 220px; }
.bdl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: .8rem; margin-top: 1rem; }
.bdl-card, .bdl-live { display: flex; align-items: center; gap: .8rem; color: var(--ink); text-decoration: none; border-left: 4px solid var(--c, var(--accent)); }
.bdl-card:hover, .bdl-live:hover { text-decoration: none; box-shadow: var(--shadow-hover); }
.bdl-thumb { width: 46px; height: 46px; flex: none; border-radius: 12px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--c, var(--accent)) 14%, var(--card)); color: var(--c, var(--accent)); }
.bdl-t { display: block; font-weight: 650; }
.bdl-s { display: block; font-size: .85rem; color: var(--muted); }
.bdl-on { display: inline-flex; align-items: center; gap: .4rem; font-size: .82rem; font-weight: 600; color: var(--ok); }
.bdl-on i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); animation: bdl-pulse 2s infinite; }
@keyframes bdl-pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 55%, transparent); } 70%, 100% { box-shadow: 0 0 0 7px transparent; } }
.bdl-live { --c: var(--accent); margin-bottom: 1rem; }
.bdl-live.here { --c: var(--ok); background: color-mix(in srgb, var(--ok-soft) 60%, var(--card)); }
.bdl-card .chev, .bdl-live .chev { color: var(--muted); font-size: 1.4rem; }
@media (prefers-reduced-motion: reduce) { .bdl-on i { animation: none; } }
:root[data-theme="dark"] .owl-wizard .wz { fill: #7d62e6; stroke: #c8bbff; }
:root[data-theme="dark"] .owl-wizard .wz-brim { fill: #6a50d0; stroke: #c8bbff; }
:root[data-theme="dark"] .owl-phones .hp-band, :root[data-theme="dark"] .owl-phones .hp-cup { stroke: #a9b4c2; }
.th-prev + .item-flag, .shop-theme .item-flag { top: auto; bottom: .45rem; }
.gamebar .gb-coins { margin-top: .4rem; }
@media (max-width: 480px) { .gamebar .gb-coins { margin-top: .35rem; } }
.cel-kicker { padding: 0 54px; }

/* ---------------------------------------------------------------- персональные данные: согласие и политика */
.consent-box { border: 1px solid var(--line, rgba(127,127,127,.25)); border-radius: 12px; padding: .75rem .9rem .9rem; margin: .25rem 0; display: grid; gap: .6rem; }
.consent-box legend { padding: 0 .35rem; font-weight: 600; font-size: .95rem; }
.consent-age { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; }
.consent-parent { display: grid; gap: .55rem; padding: .6rem .7rem; border-radius: 10px; background: var(--warn-soft); }
.consent-parent p { margin: 0; }
.consent-box label.check { display: flex; gap: .55rem; align-items: flex-start; font-weight: 400; line-height: 1.35; }
.consent-box label.check input { margin-top: .2rem; flex: none; }
.warn-text { color: var(--warn); }
.policy { max-width: 760px; margin: 0 auto; line-height: 1.6; }
.policy h2 { font-size: 1.1rem; margin: 1.6rem 0 .4rem; }
.policy ul { padding-left: 1.2rem; }
.policy li { margin: .3rem 0; }
.danger-zone { display: inline-block; }
.danger-zone[open] { display: block; width: 100%; margin-top: .5rem; padding: .7rem; border: 1px solid var(--warn-line); border-radius: 10px; }
.danger-zone summary { list-style: none; cursor: pointer; }
.danger-zone summary::-webkit-details-marker { display: none; }

/* ================================================================ версия 9: сова сердится, грустит, удивляется; полоска с совой */
:root { --owl-angry: #e5484d; --owl-angry-soft: #fdecec; --owl-angry-line: #f3b7b9; --owl-tear: #7cc4ff; --owl-brow: #1b2a2c; }
@media screen { :root[data-theme="dark"] { --owl-angry: #ff6b6f; --owl-angry-soft: #3a1a1c; --owl-angry-line: #7a3034; --owl-tear: #8fd0ff; --owl-brow: #0b1517; } }
.owl-brow { fill: none; stroke: var(--owl-brow); stroke-width: 5; stroke-linecap: round; }
.owl-brow-soft { stroke-width: 3.4; }
.owl-flush { fill: var(--owl-angry); opacity: .28; filter: blur(3px); }
.owl-blush-hot { fill: var(--owl-angry); opacity: .9; }
.owl-frown { stroke: var(--owl-brow); stroke-width: 2.2; }
.owl-mouth-o { fill: #7a2e10; }
.owl-tear { fill: var(--owl-tear); stroke: #fff; stroke-width: .8; }
.owl-angry .owl-lid { fill: color-mix(in srgb, var(--owl-body) 78%, var(--owl-angry)); }
.owl-steam circle { fill: #eef2f3; stroke: #9fb0b4; stroke-width: 1.4; }
:root[data-theme="dark"] .owl-steam circle { fill: #c3d0d2; stroke: #6f8589; }
.owl-vein { fill: none; stroke: var(--owl-angry); stroke-width: 2.6; stroke-linecap: round; }
.owl-wow { fill: var(--owl-angry); font: 900 16px system-ui, sans-serif; }
.owl-steam g, .owl-vein, .owl-tear, .owl-wow text { transform-box: fill-box; }
@media (prefers-reduced-motion: no-preference) {
  .owl-angry .owl-bob { animation: owlhuff 2.2s ease-in-out infinite; transform-origin: 50% 100%; }
  .owl-steam g { animation: steam 1.6s ease-out infinite; transform-origin: 50% 100%; }
  .owl-steam .st-r { animation-delay: .8s; }
  .owl-vein { animation: veinpulse 1.1s ease-in-out infinite; transform-origin: center; }
  .owl-upset .owl-bob { animation: owlsigh 4.5s ease-in-out infinite; transform-origin: 50% 100%; }
  .owl-tear { animation: teardrop 2.8s ease-in infinite; transform-origin: 50% 0; }
  .owl-surprised .owl-bob { animation: owlhop 2.4s cubic-bezier(.2,1.6,.4,1) infinite; transform-origin: 50% 100%; }
  .owl-wow text { animation: twinkle2 1.2s ease-in-out infinite; } .owl-wow .w2 { animation-delay: .3s; }
}
@keyframes owlhuff { 0%, 34%, 100% { transform: none; } 4% { transform: rotate(-4deg) translateY(-1px); } 9% { transform: rotate(4deg); }
  14% { transform: rotate(-3deg) translateY(-1px); } 19% { transform: rotate(3deg); } 24% { transform: rotate(-1deg); } 29% { transform: scale(1.03, .97); } }
@keyframes steam { 0% { opacity: 0; transform: translateY(6px) scale(.5); } 25% { opacity: .95; } 100% { opacity: 0; transform: translateY(-8px) scale(1.25); } }
@keyframes veinpulse { 50% { transform: scale(1.25); } }
@keyframes owlsigh { 0%, 100% { transform: translateY(2px); } 50% { transform: translateY(4px) scaleY(.98); } }
@keyframes teardrop { 0%, 30% { transform: translateY(0) scale(.6); opacity: 0; } 45% { opacity: 1; transform: translateY(0) scale(1); } 90% { opacity: 1; } 100% { transform: translateY(14px); opacity: 0; } }
@keyframes owlhop { 0%, 70%, 100% { transform: none; } 78% { transform: translateY(-7px); } 86% { transform: translateY(0) scale(1.04, .96); } }

/* реплика: тон по настроению + кнопка */
.ob-cta { display: inline-flex; align-items: center; margin-top: .35rem; padding: .25rem .65rem; border-radius: 99px; font-size: .85rem; font-weight: 700;
  background: var(--accent); color: var(--on-accent); white-space: nowrap; }
.ob-cta:hover { text-decoration: none; filter: brightness(1.08); }
.owl-say.mood-angry .owl-bubble { background: var(--owl-angry-soft); border-color: var(--owl-angry-line); }
.owl-say.mood-angry .ob-cta { background: var(--owl-angry); color: #fff; }
.owl-say.mood-upset .owl-bubble { background: color-mix(in srgb, var(--owl-tear) 12%, var(--card)); }
.owl-say.mood-celebrate .owl-bubble { background: color-mix(in srgb, var(--gold) 14%, var(--card)); }
@media (prefers-reduced-motion: no-preference) {
  .owl-say.mood-angry .owl-bubble { animation: bubblein .5s .25s cubic-bezier(.2,1.5,.4,1) both, bubblehuff 2.2s 1s ease-in-out infinite; }
}
@keyframes bubblehuff { 0%, 30%, 100% { transform: none; } 5% { transform: translateX(-2px); } 10% { transform: translateX(2px); } 15% { transform: translateX(-1px); } }

/* полоска с совой над страницей */
.owl-strip { position: relative; display: flex; align-items: center; gap: .5rem; margin: 0 0 1rem; padding: .45rem 2.2rem .45rem .5rem;
  border-radius: 18px; background: color-mix(in srgb, var(--accent) 7%, var(--card)); border: 1px solid var(--line); }
.owl-strip.mood-angry { background: color-mix(in srgb, var(--owl-angry) 9%, var(--card)); border-color: var(--owl-angry-line);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--owl-angry) 12%, transparent); }
.owl-strip .owl-say { flex: 1; min-width: 0; gap: .55rem; }
.owl-strip .owl-bubble { box-shadow: none; padding: .45rem .7rem; font-size: .93rem; }
.owl-strip .ob-cta { margin-top: .3rem; }
.owl-strip-x { position: absolute; top: 6px; right: 6px; width: 28px; height: 28px; padding: 0; border-radius: 50%; border: 0; background: transparent;
  color: var(--muted); font-size: 1.15rem; line-height: 1; cursor: pointer; }
.owl-strip-x:hover { background: var(--hover); color: var(--ink); }
.owl-strip[hidden] { display: none; }

/* большая «сердитая» карточка (раз в день, если серия сгорела) */
.owl-alarm { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 16px; background: var(--overlay, rgba(0,0,0,.5)); }
.owl-alarm[hidden] { display: none; }
.oa-card { position: relative; width: min(380px, 100%); padding: 1.2rem 1.2rem 1.1rem; border-radius: 22px; text-align: center; background: var(--card); color: var(--ink);
  border: 2px solid var(--owl-angry-line); box-shadow: 0 0 0 6px color-mix(in srgb, var(--owl-angry) 16%, transparent), 0 0 60px color-mix(in srgb, var(--owl-angry) 45%, transparent), var(--shadow-lg); }
.oa-card .owl { margin: -.2rem auto .2rem; }
.oa-glow { position: absolute; left: 50%; top: 22px; width: 170px; height: 150px; margin-left: -85px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--owl-angry) 35%, transparent), transparent); }
.oa-card h2 { margin: .1rem 0 .35rem; color: var(--owl-angry); font-size: 1.45rem; }
.oa-card p { margin: 0 0 1rem; line-height: 1.4; }
.oa-actions { display: flex; flex-direction: column; gap: .45rem; }
.oa-actions .btn { justify-content: center; background: var(--owl-angry); border-color: var(--owl-angry); color: #fff; font-size: 1rem; padding: .65rem 1rem; }
.oa-later { align-self: center; background: transparent; border: 0; color: var(--muted); font: inherit; font-size: .9rem; cursor: pointer; padding: .35rem; }
.oa-later:hover { color: var(--ink); text-decoration: underline; }
@media (prefers-reduced-motion: no-preference) {
  .owl-alarm:not([hidden]) .oa-card { animation: oain .5s cubic-bezier(.2,1.5,.4,1) both, oashake .6s .55s ease-in-out both; }
  .oa-glow { animation: oaglow 1.6s ease-in-out infinite; }
}
@keyframes oain { from { opacity: 0; transform: scale(.7); } }
@keyframes oashake { 0%, 100% { transform: none; } 15%, 55% { transform: translateX(-7px) rotate(-1deg); } 35%, 75% { transform: translateX(7px) rotate(1deg); } }
@keyframes oaglow { 50% { opacity: .45; transform: scale(1.12); } }

/* живая сова в тренажёре */
.tr-coach { display: flex; align-items: center; gap: .5rem; margin: -.1rem 0 .55rem; min-height: 60px; }
.tr-coach .tc-owl { position: relative; flex: none; width: 60px; height: 60px; }
.tr-coach .tc-owl .owl { position: absolute; inset: 0; width: 60px; height: 60px; }
.tr-coach .tc-owl [data-mood][hidden] { display: none; }
.tr-coach .owl-bubble { flex: 1; font-size: .9rem; padding: .4rem .65rem; box-shadow: none; animation: none; }
.tr-coach.mood-upset .owl-bubble { background: color-mix(in srgb, var(--owl-tear) 12%, var(--card)); }
.tr-coach.mood-celebrate .owl-bubble { background: color-mix(in srgb, var(--ok) 14%, var(--card)); }
@media (prefers-reduced-motion: no-preference) { .tr-coach .owl-bubble.pop { animation: bubblein .4s cubic-bezier(.2,1.5,.4,1) both; } }