:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --card: var(--tg-theme-secondary-bg-color, #f1f3f5);
  --text: var(--tg-theme-text-color, #14171a);
  --muted: var(--tg-theme-hint-color, #6b7480);
  --accent: var(--tg-theme-button-color, #2481cc);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --danger: #d6453d;
  --warn: #b26a00;
  --ok: #2e9e5b;
  --ok-text: #1b7a43;
  --series: #2a78d6; /* линия графика; проверена на контраст с карточкой в обеих темах */
  --line: color-mix(in srgb, var(--muted) 30%, transparent);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--tg-theme-bg-color, #17191c);
    --card: var(--tg-theme-secondary-bg-color, #22262b);
    --text: var(--tg-theme-text-color, #eef0f2);
    --muted: var(--tg-theme-hint-color, #8d96a1);
    --warn: #f0a63a;
    --danger: #ff6b62;
    --ok-text: #55c98a;
    --series: #3987e5;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
main { max-width: 560px; margin: 0 auto; padding: 16px 16px calc(92px + env(safe-area-inset-bottom)); }
h1 { font-size: 20px; margin: 0; line-height: 1.2; }
h2 { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 20px 4px 8px; }
h2.overdue { color: var(--danger); }
h2.today { color: var(--accent); scroll-margin-top: 56px; }
.muted { color: var(--muted); font-size: 14px; }
.center { text-align: center; }
.error { color: var(--danger); font-size: 14px; margin: 8px 0; }

header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
header .who { font-size: 13px; color: var(--muted); margin-top: 2px; }
.icon-btn { border: 0; background: var(--card); color: var(--text); width: 40px; height: 40px; border-radius: 12px; font-size: 18px; cursor: pointer; flex: none; }
.icon-btn { display: grid; place-items: center; padding: 0; }
.arrows { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.spokes { width: 22px; height: 22px; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; }
/* шесть шагов на оборот: лучи стоят на месте, по кругу бежит только яркость */
.icon-btn.spin .spokes { animation: spokes 1s steps(6) infinite; }
@keyframes spokes { to { transform: rotate(360deg); } }

.progress { background: var(--card); border-radius: 14px; padding: 12px 14px; margin-top: 14px; }
.progress .row { display: flex; justify-content: space-between; font-size: 14px; }
.progress .row b { font-size: 16px; }
.bar { height: 8px; border-radius: 4px; background: color-mix(in srgb, var(--muted) 25%, transparent); margin-top: 8px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--ok); border-radius: 4px; transition: width .25s; }

.tabs { display: flex; gap: 6px; margin-top: 14px; }
.tabs button { flex: 1; border: 0; padding: 8px; border-radius: 10px; background: var(--card); color: var(--muted); font: inherit; font-size: 13px; white-space: nowrap; cursor: pointer; }
.tabs button[aria-pressed="true"] { background: var(--accent); color: var(--accent-text); }

ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.task { display: flex; gap: 12px; background: var(--card); border-radius: 14px; padding: 12px 14px; cursor: pointer; }
.task input { appearance: none; flex: none; width: 24px; height: 24px; margin: 1px 0 0; border: 2px solid var(--muted); border-radius: 8px; cursor: pointer; }
.task input:checked { background: var(--ok) center/16px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3.2 3L13 4.5' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); border-color: var(--ok); }
.task .body { min-width: 0; flex: 1; }
.task .subject { font-weight: 600; font-size: 15px; }
.task .text { margin-top: 2px; overflow-wrap: anywhere; white-space: pre-wrap; }
.task .meta { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 6px; font-size: 12px; color: var(--muted); }
.task.done .subject, .task.done .text, .task.removed .text { text-decoration: line-through; color: var(--muted); }
.tag { padding: 1px 7px; border-radius: 999px; border: 1px solid currentColor; }
.tag.warn { color: var(--warn); }
.tag.danger { color: var(--danger); }
.tag.ok { color: var(--ok-text); }
.empty { text-align: center; padding: 36px 12px; color: var(--muted); }

form { display: grid; gap: 12px; margin-top: 20px; }
label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
input[type=text], input[type=password] { font: inherit; padding: 12px; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--muted) 40%, transparent); background: var(--card); color: var(--text); width: 100%; }
.primary { border: 0; padding: 13px; border-radius: 12px; background: var(--accent); color: var(--accent-text); font: inherit; font-weight: 600; cursor: pointer; }
.primary:disabled { opacity: .6; }
.link { border: 0; background: none; color: var(--muted); font: inherit; font-size: 13px; text-decoration: underline; cursor: pointer; margin: 28px auto 0; display: block; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.task.archived { opacity: .6; }

/* ---------- верхние вкладки ---------- */
.nav { display: flex; margin-top: 12px; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 2; background: var(--bg); }
.nav button { flex: 1; border: 0; background: none; color: var(--muted); font: inherit; font-weight: 600; padding: 10px 4px; border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer; }
.nav button[aria-pressed="true"] { color: var(--text); border-bottom-color: var(--accent); }

/* ---------- расписание ---------- */
.weeknav { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 14px; }
.weeknav .label { text-align: center; font-weight: 600; }
.weeknav .label small { display: block; color: var(--muted); font-weight: 400; font-size: 13px; }
.icon-btn:disabled { opacity: .35; cursor: default; }
.lesson { display: flex; gap: 12px; background: var(--card); border-radius: 14px; padding: 10px 14px; }
.lesson .num { flex: none; width: 22px; text-align: center; font-weight: 700; font-size: 17px; color: var(--muted); }
.lesson .body { min-width: 0; flex: 1; }
.lesson .subject { font-weight: 600; font-size: 15px; overflow-wrap: anywhere; }
.lesson .meta, .grade .meta { margin-top: 3px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; font-size: 13px; color: var(--muted); }
.note { margin-top: 3px; font-size: 13px; color: var(--muted); overflow-wrap: anywhere; }
.lesson.off .subject { text-decoration: line-through; color: var(--muted); }
.lesson.now { box-shadow: inset 0 0 0 2px var(--accent); }
ul.past { opacity: .6; }

/* ---------- оценки ---------- */
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.tiles.three { grid-template-columns: repeat(3, 1fr); }
.tile { background: var(--card); border-radius: 14px; padding: 12px 14px; min-width: 0; }
.tile .value { font-size: 28px; font-weight: 600; line-height: 1.1; }
.tile .label { margin-top: 4px; font-size: 13px; color: var(--muted); }
.legend { margin: 14px 4px 0; font-size: 12px; }

/* список предметов: название, оценка и полоса «из 12» */
.meter { display: grid; grid-template-columns: 1fr auto auto; align-items: baseline; gap: 6px 10px; width: 100%; text-align: left;
  border: 0; background: var(--card); color: var(--text); font: inherit; border-radius: 14px; padding: 12px 14px; cursor: pointer; }
.meter .name { font-weight: 600; font-size: 15px; overflow-wrap: anywhere; }
.meter .fig { font-weight: 600; font-size: 17px; }
.meter .go { color: var(--muted); font-size: 18px; }
.meter .track { grid-column: 1 / -1; height: 4px; border-radius: 2px; background: color-mix(in srgb, var(--series) 22%, transparent); overflow: hidden; }
.meter .track i { display: block; height: 100%; border-radius: 2px; background: var(--series); }

.grade { display: flex; gap: 12px; align-items: flex-start; background: var(--card); border-radius: 14px; padding: 10px 14px; }
.grade .body { min-width: 0; flex: 1; }
.grade .subject, .card .subject { font-weight: 600; font-size: 15px; overflow-wrap: anywhere; }
.grade .chip { flex: none; min-width: 38px; padding: 6px 8px; font-size: 16px; }
.chip { display: inline-block; min-width: 30px; text-align: center; padding: 2px 7px; border-radius: 8px; font-weight: 600; font-size: 14px; background: color-mix(in srgb, var(--muted) 18%, transparent); }
.chip.ok { color: var(--ok-text); }
.chip.warn { color: var(--warn); }
.chip.danger { color: var(--danger); }
.chip.final { box-shadow: inset 0 0 0 2px currentColor; }
.chip.missing { color: var(--danger); background: none; box-shadow: inset 0 0 0 1px currentColor; font-weight: 500; }

/* страница предмета */
.back { border: 0; background: none; color: var(--muted); font: inherit; font-size: 14px; padding: 12px 4px 0; cursor: pointer; }
h2.title { font-size: 20px; text-transform: none; letter-spacing: 0; color: var(--text); margin: 6px 4px 0; }
.card { background: var(--card); border-radius: 14px; padding: 12px 14px; }
.card.month { margin-top: 12px; }
.card .row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.card .avg { flex: none; font-weight: 600; font-size: 17px; }
.cells { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.cell { border: 1px solid var(--line); border-radius: 10px; padding: 6px 10px; text-align: center; max-width: 100%; }
.cell .date, .cell .kind { font-size: 12px; color: var(--muted); }
.cell .chip { margin: 4px 0; }
.final-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 8px; border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; font-size: 14px; }
.final-row .body { min-width: 0; }
.final-row .topic { margin-top: 2px; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); overflow-wrap: anywhere; }
.final-row .chip { flex: none; }

/* график за месяц */
.chart { margin-top: 10px; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 10px; font-variant-numeric: tabular-nums; }
.chart .area { fill: var(--series); opacity: .1; }
.chart .line { fill: none; stroke: var(--series); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .dot { fill: var(--series); stroke: var(--card); stroke-width: 2; transition: r .1s; }
.chart .hit { fill: transparent; cursor: pointer; outline-offset: -8px; }
.readout { min-height: 18px; margin-top: 4px; font-size: 13px; color: var(--muted); text-align: right; }

/* ---------- ответ на задание ---------- */
.act { margin-top: 8px; border: 0; border-radius: 9px; padding: 6px 12px; background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--text); font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; }
.due { margin: 2px 4px 0; }
.tasktext { margin-top: 10px; white-space: pre-wrap; overflow-wrap: anywhere; }
.tasktext a { color: var(--tg-theme-link-color, var(--accent)); }
.status { margin: 0 4px 8px; font-size: 14px; color: var(--muted); }
.status.reopened { color: var(--warn); }
.comment { margin: 0 0 8px; font-size: 14px; overflow-wrap: anywhere; }
textarea { display: block; width: 100%; min-height: 120px; resize: vertical; font: inherit; padding: 12px; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--muted) 40%, transparent); background: var(--card); color: var(--text); }
textarea[readonly] { opacity: .7; }
textarea + ul { margin-top: 8px; }
.file { display: flex; align-items: center; gap: 10px; background: var(--card); border-radius: 12px; padding: 8px 12px; font-size: 14px; }
.file .name { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.file .muted { flex: none; font-size: 12px; }
.file .x { flex: none; width: 32px; height: 32px; border: 0; border-radius: 9px; background: none; color: var(--muted); font-size: 20px; line-height: 1; cursor: pointer; }
.secondary { display: block; width: 100%; margin-top: 8px; border: 1px dashed color-mix(in srgb, var(--muted) 50%, transparent); border-radius: 12px; padding: 11px; background: none; color: var(--text); font: inherit; cursor: pointer; }
.secondary:disabled, .x:disabled { opacity: .5; }
.saved { margin: 8px 4px 0; font-size: 14px; color: var(--ok-text); }
main > .primary { display: block; width: 100%; margin-top: 12px; }
main > p.muted, main > p.error { margin-left: 4px; margin-right: 4px; }

/* ---------- фильтр предметов ---------- */
.filter-toggle { margin: 10px 0 0; border: 0; background: none; color: var(--muted); font: inherit; font-size: 14px; padding: 6px 4px; cursor: pointer; }
.subjects { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.subjects button { border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; background: none; color: var(--muted); font: inherit; font-size: 14px; cursor: pointer; text-decoration: line-through; }
.subjects button[aria-pressed="true"] { background: var(--card); color: var(--text); border-color: transparent; text-decoration: none; }
.subjects-actions { display: flex; gap: 14px; margin: 8px 4px 0; }
.mini { border: 0; background: none; color: var(--tg-theme-link-color, var(--accent)); font: inherit; font-size: 13px; padding: 4px 0; cursor: pointer; }
.mini:disabled { color: var(--muted); opacity: .6; cursor: default; }
.text.none, .tasktext.none { color: var(--muted); font-style: italic; }
button.name { border: 0; background: none; padding: 0; font: inherit; text-align: left; color: var(--tg-theme-link-color, var(--accent)); text-decoration: underline; cursor: pointer; }

/* ---------- поиск ---------- */
.search { display: block; width: 100%; margin-top: 12px; font: inherit; padding: 10px 12px; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--muted) 40%, transparent); background: var(--card); color: var(--text); }
.found { margin: 12px 4px 0; }

/* ---------- строка-ссылка: табель, настройки ---------- */
.linkrow { display: flex; justify-content: space-between; align-items: center; width: 100%; margin-top: 14px; border: 0; border-radius: 14px; padding: 13px 14px; background: var(--card); color: var(--text); font: inherit; font-weight: 600; text-align: left; cursor: pointer; }
.linkrow .go { color: var(--muted); font-size: 18px; font-weight: 400; }

/* ---------- тренд и табель ---------- */
.trend { font-weight: 700; }
.trend.up { color: var(--ok-text); }
.trend.down { color: var(--warn); }
ul.rc { margin-top: 12px; }
.rc-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: 10px; }
.rc-cell { text-align: center; border: 1px solid var(--line); border-radius: 10px; padding: 6px 4px; min-width: 0; }
.rc-cell .label, .rc-them .label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.rc-none { color: var(--muted); padding: 2px 0; }
.rc-hint { color: var(--muted); font-style: italic; font-weight: 600; padding: 2px 0; }
.rc-them { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 10px; }
.rc-them .label { margin: 0 2px 0 0; }

/* ---------- настройки ---------- */
.setting { display: grid; gap: 6px; margin-top: 12px; background: var(--card); border-radius: 14px; padding: 12px 14px; }
.setting .title { font-weight: 600; color: var(--text); font-size: 15px; }
.setting select { font: inherit; padding: 9px 10px; border-radius: 10px; border: 1px solid color-mix(in srgb, var(--muted) 40%, transparent); background: var(--bg); color: var(--text); }
.setting .saved { margin: 0; }
.commands { margin-top: 8px; }

/* ---------- задания задним числом ---------- */
.linkrow.late { margin-top: 12px; font-weight: 600; }
.linkrow.late small { font-weight: 400; color: var(--warn); }
.linkrow.late.on { box-shadow: inset 0 0 0 2px var(--warn); }

/* ---------- карточка задания: просроченное — красная рамка ---------- */
.task.late { box-shadow: inset 0 0 0 2px var(--danger); }

/* ---------- нижнее меню ---------- */
.tabbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 5; display: flex; justify-content: center;
  background: var(--bg); border-top: 1px solid var(--line); padding: 6px 8px calc(6px + env(safe-area-inset-bottom)); }
.tabbar button { flex: 1; max-width: 140px; display: flex; flex-direction: column; align-items: center; gap: 3px;
  border: 0; background: none; color: var(--muted); font: inherit; padding: 4px 0; cursor: pointer; }
.tabbar button[aria-pressed="true"] { color: var(--accent); }
.tabbar .ico { position: relative; width: 26px; height: 26px; display: block; }
.tabbar svg { width: 26px; height: 26px; display: block; }
.tabbar svg .line { fill: none; stroke: currentColor; stroke-width: 2.3; stroke-linecap: round; stroke-linejoin: round; }
.tabbar svg .line.bold { stroke-width: 2.9; }
.tabbar svg .fill { fill: currentColor; stroke: none; }
.tabbar svg .line-join { stroke: currentColor; stroke-width: 1.2; stroke-linejoin: round; }
.tabbar .lbl { font-size: 11px; font-weight: 600; }
.tabbar .badge { position: absolute; top: -4px; right: -10px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px;
  background: var(--danger); color: #fff; font-size: 11px; font-weight: 700; line-height: 18px; text-align: center; box-shadow: 0 0 0 2px var(--bg); }

/* ---------- «Сьогодні» ---------- */
.card.now { margin-top: 14px; }
.card.now .label { font-size: 13px; color: var(--muted); }
.card.now .big { font-size: 22px; font-weight: 700; margin-top: 2px; overflow-wrap: anywhere; }
.card.now .bar { margin-top: 10px; }
.card.now .row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 8px; font-size: 14px; }
.linkrow.debts { box-shadow: inset 0 0 0 2px var(--danger); }
.calm { margin: 4px 4px 0; }
.right { display: flex; justify-content: flex-end; margin-top: 6px; }