/* Opravená písemka — list čtverečkovaného papíru, modrá propiska, tužka, červená a zelená propiska učitele. */

:root {
  --m: 20px;                 /* modul mřížky (5 mm čtvereček), nastavuje app.js */
  --desk: #DCE1E5;
  --paper: #F6F7F3;
  --paper-2: #FDFDFB;
  --rule: #D6E0EA;
  --rule-2: #B4C6D7;
  --text: #1C2027;
  --text-2: #525A65;
  --ink: #1D3FAE;
  --ink-soft: rgba(29, 63, 174, 0.09);
  --pencil: #4A4F57;
  --red: #C21F2A;
  --red-soft: rgba(194, 31, 42, 0.08);
  --green: #13764A;
  --green-soft: rgba(19, 118, 74, 0.09);
  --margin: #E2A3A5;
  --shadow: 0 1px 2px rgba(28, 32, 39, 0.10), 0 8px 24px -10px rgba(28, 32, 39, 0.22);
  --font: "Schibsted Grotesk", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --hand: "Kalam", "Segoe Print", "Bradley Hand", "Comic Sans MS", cursive;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --desk: #0B0D10;
    --paper: #15181D;
    --paper-2: #1A1E24;
    --rule: #222931;
    --rule-2: #334050;
    --text: #E3E7ED;
    --text-2: #A3ACB9;
    --ink: #8EAEFF;
    --ink-soft: rgba(142, 174, 255, 0.12);
    --pencil: #C4C9D1;
    --red: #FF7474;
    --red-soft: rgba(255, 116, 116, 0.10);
    --green: #5AD595;
    --green-soft: rgba(90, 213, 149, 0.10);
    --margin: #6A3036;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 10px 28px -12px rgba(0, 0, 0, 0.7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --desk: #0B0D10;
  --paper: #15181D;
  --paper-2: #1A1E24;
  --rule: #222931;
  --rule-2: #334050;
  --text: #E3E7ED;
  --text-2: #A3ACB9;
  --ink: #8EAEFF;
  --ink-soft: rgba(142, 174, 255, 0.12);
  --pencil: #C4C9D1;
  --red: #FF7474;
  --red-soft: rgba(255, 116, 116, 0.10);
  --green: #5AD595;
  --green-soft: rgba(90, 213, 149, 0.10);
  --margin: #6A3036;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 10px 28px -12px rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { height: 100%; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100%;
  background: var(--desk);
  color: var(--text);
  font: 400 15px/1.45 var(--font);
  font-feature-settings: "tnum" 0;
  padding-block: calc(var(--m) * 0.5);
  padding-inline: max(16px, calc(var(--m) * 0.5));
  caret-color: var(--ink);
  scrollbar-color: var(--rule-2) transparent;
}

::selection { background: color-mix(in srgb, var(--ink) 24%, transparent); color: inherit; }

/* ---------- List papíru ---------- */
.sheet {
  max-width: calc(var(--m) * 68);
  margin: 0 auto;
  min-height: calc(100vh - var(--m));
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: var(--m) var(--m);
  background-position: -1px -1px;
  box-shadow: var(--shadow);
  padding: var(--m) calc(var(--m) * 2) calc(var(--m) * 2);
}

/* ---------- Hlavička písemky ---------- */
.head {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: end;
  column-gap: calc(var(--m) * 2);
  row-gap: calc(var(--m) * 0.5);
  min-height: calc(var(--m) * 3);
  padding-bottom: calc(var(--m) * 0.5);
  border-bottom: 2px solid var(--text);
}
.brand h1 {
  margin: 0;
  font-weight: 800;
  font-size: calc(var(--m) * 1.6);
  line-height: 1;
  letter-spacing: -0.025em;
}
.brand p {
  margin: calc(var(--m) * 0.25) 0 0;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
}
.fields {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--m) * 0.5) calc(var(--m) * 1.5);
  align-items: end;
}
.field {
  display: flex;
  align-items: baseline;
  gap: calc(var(--m) * 0.4);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
}
.field input,
.field output {
  font-family: var(--hand);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.1;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px dashed var(--text-2);
  padding: 0 2px 1px;
  min-width: 0;
}
.field input { width: max(calc(var(--m) * 8), 9.5rem); }
.field input.short { width: max(calc(var(--m) * 3), 3.5rem); }
.field input::placeholder { color: color-mix(in srgb, var(--text-2) 60%, transparent); }
.field input:focus { outline: none; border-bottom: 1px solid var(--ink); background: var(--ink-soft); }
.countdown {
  margin: 0;
  font-family: var(--hand);
  color: var(--red);
  font-size: 18px;
  line-height: 1.15;
  text-align: right;
  transform: rotate(-1.5deg);
}
.countdown b { font-size: 30px; font-weight: 700; }
.countdown small { display: block; font-size: 15px; color: var(--text-2); }
.grade {
  display: grid;
  grid-template-rows: auto 1fr;
  justify-items: center;
  width: max(calc(var(--m) * 3), 58px);
  height: max(calc(var(--m) * 3), 58px);
  border: 2px solid var(--text);
  background: var(--paper-2);
}
.grade span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-2);
  padding-top: 2px;
}
.grade output {
  font-family: var(--hand);
  font-weight: 700;
  font-size: max(calc(var(--m) * 1.6), 30px);
  line-height: 1;
  color: var(--red);
  transform: rotate(-6deg);
}
.grade output.empty { color: var(--text-2); font-size: 18px; font-weight: 400; transform: none; align-self: center; }

/* ---------- Záložky jako čísla úloh v písemce ---------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--m) * 0.5) calc(var(--m) * 1.5);
  padding-block: calc(var(--m) * 0.6);
  margin-bottom: calc(var(--m) * 0.5);
}
.tab {
  position: relative;
  appearance: none;
  border: 0;
  background: none;
  color: var(--text);
  font: 700 17px/1 var(--font);
  letter-spacing: -0.01em;
  padding: 8px 12px;
  cursor: pointer;
}
.tab .n { color: var(--text-2); font-weight: 600; margin-right: 2px; }
.tab::after {
  content: "";
  position: absolute;
  inset: -3px -4px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  transform: rotate(-3deg) scale(0.9);
  opacity: 0;
  transition: opacity 180ms ease-out, transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { color: var(--ink); }
.tab[aria-selected="true"]::after { opacity: 1; transform: rotate(-3deg) scale(1); }
.tab:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; border-radius: 4px; }

/* ---------- Pracovní plocha: hrací arch + okraj s poznámkami ---------- */
.panel[hidden] { display: none !important; }
.work {
  display: grid;
  grid-template-columns: calc(var(--m) * 32) minmax(0, 1fr);
  column-gap: calc(var(--m) * 2);
  align-items: start;
}
.board-col { display: grid; gap: var(--m); justify-items: start; }
.board-wrap {
  position: relative;
  width: calc(var(--m) * 32);
  height: calc(var(--m) * 32);
}
.board-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: manipulation;
  border-radius: 2px;
}
.board-wrap canvas:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.board-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: calc(var(--m) * 0.5);
  width: calc(var(--m) * 32);
  padding-left: var(--m);
}
.board-bar .spacer { flex: 1; }
.board-bar .count {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-2);
  padding-inline: calc(var(--m) * 0.5);
}

.margin-col {
  border-left: 2px solid var(--margin);
  padding-left: calc(var(--m) * 1.5);
  min-height: calc(var(--m) * 32);
  display: flex;
  flex-direction: column;
  gap: var(--m);
  max-width: calc(var(--m) * 30);
}
.margin-col h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-wrap: balance;
}
.margin-col h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.25;
  text-wrap: balance;
}
.lede { margin: 0; color: var(--text-2); max-width: 62ch; }
.prose { max-width: 62ch; font-size: 16px; line-height: 1.55; }
.prose p { margin: 0 0 0.6em; }
.prose ol, .prose ul { margin: 0.4em 0 0.2em; padding-left: 1.4em; }
.prose li { margin: 0.2em 0; }
.prose li::marker { color: var(--text-2); font-weight: 600; }
.prose strong { font-weight: 700; }

/* ---------- Tlačítka ---------- */
.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: calc(var(--m) * 1.8);
  min-height: 34px;
  padding: 0 calc(var(--m) * 0.8);
  border: 1.5px solid var(--text);
  border-radius: 3px;
  background: var(--paper-2);
  color: var(--text);
  font: 600 14px/1 var(--font);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 150ms ease-out, color 150ms ease-out, border-color 150ms ease-out;
}
.btn:hover { background: var(--ink-soft); border-color: var(--ink); color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--paper-2); }
.btn.primary:hover { background: color-mix(in srgb, var(--ink) 86%, var(--text)); color: var(--paper-2); }
.btn[disabled], .btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  background: var(--paper-2);
  color: var(--text-2);
  border-color: var(--text-2);
  transform: none;
}
.btn .k { font-weight: 500; color: inherit; opacity: 0.7; font-size: 12px; }
.linkbtn {
  appearance: none;
  border: 0;
  background: none;
  padding: 2px 0;
  color: var(--ink);
  font: 600 14px/1.2 var(--font);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  cursor: pointer;
}
.linkbtn:hover { text-decoration-thickness: 2.5px; }
.linkbtn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: 2px; }

/* ---------- Poznámky učitele ---------- */
.note {
  margin: 0;
  font-family: var(--hand);
  font-size: 20px;
  line-height: 1.2;
  color: var(--text-2);
  min-height: 1.2em;
}
.note.good { color: var(--green); }
.note.bad { color: var(--red); }
.note.ink { color: var(--ink); }
.note:empty { display: none; }

/* ---------- Otázky s výběrem (zakroužkuj odpověď) ---------- */
.q { border: 0; margin: 0; padding: 0; min-width: 0; }
.q legend {
  padding: 0;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-2);
}
.opts { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.opt { position: relative; display: inline-flex; cursor: pointer; }
.opt input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.opt span {
  position: relative;
  padding: 5px 10px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  line-height: 1.2;
}
.opt span i { font-style: normal; color: var(--text-2); font-weight: 500; margin-right: 3px; }
.opt span::after {
  content: "";
  position: absolute;
  inset: -1px -3px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  transform: rotate(-4deg) scale(0.85);
  opacity: 0;
  transition: opacity 150ms ease-out, transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.opt:hover span { color: var(--ink); }
.opt input:checked + span { color: var(--ink); }
.opt input:checked + span::after { opacity: 1; transform: rotate(-4deg) scale(1); }
.opt input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: 4px; }
.opt input:disabled + span { opacity: 0.45; cursor: not-allowed; }

/* Zaškrtávací políčko jako okénko v testu */
.check { display: inline-flex; align-items: flex-start; gap: 10px; cursor: pointer; font-weight: 500; line-height: 1.3; }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.check .box {
  flex: none;
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  border: 1.5px solid var(--text);
  background: var(--paper-2);
}
.check .box svg {
  position: absolute;
  left: -2px;
  top: -7px;
  width: 24px;
  height: 24px;
  stroke: var(--ink);
  stroke-width: 2.6;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 30;
  stroke-dashoffset: 30;
  transition: stroke-dashoffset 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.check input:checked + .box svg { stroke-dashoffset: 0; }
.check input:focus-visible + .box { outline: 2px solid var(--ink); outline-offset: 2px; }
.check input:disabled ~ * { opacity: 0.5; cursor: not-allowed; }

/* ---------- Symboly v textu ---------- */
.sym {
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  vertical-align: -0.1em;
  stroke-width: 2.4;
  fill: none;
  stroke-linecap: round;
}
.sym.you { stroke: var(--ink); }
.sym.opp { stroke: var(--pencil); }

/* ---------- Plán ---------- */
.plan {
  display: grid;
  grid-template-columns: minmax(0, 1fr) calc(var(--m) * 20);
  column-gap: calc(var(--m) * 2);
  align-items: start;
}
.plan-main { display: grid; gap: var(--m); min-width: 0; }
.plan-main > h2 { margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; }
.days { list-style: none; margin: 0; padding: 0; display: grid; }
.day {
  display: grid;
  grid-template-columns: calc(var(--m) * 4) minmax(0, 1fr);
  column-gap: var(--m);
  padding-block: calc(var(--m) * 0.75);
  border-top: 1px solid var(--rule-2);
}
.day:last-child { border-bottom: 1px solid var(--rule-2); }
.day-date { position: relative; align-self: start; padding: 2px 0 0 4px; }
.day-date .dow { display: block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-2); }
.day-date .dm { display: block; white-space: nowrap; font-size: 20px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.day.is-today .day-date::after {
  content: "";
  position: absolute;
  inset: -6px -6px -4px -8px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  transform: rotate(-5deg);
}
.day.is-today .today-tag { font-family: var(--hand); color: var(--ink); font-size: 17px; margin-left: 8px; font-weight: 400; }
.day.is-past .day-body h3, .day.is-past .day-date { opacity: 0.6; }
.day-body { display: grid; gap: 8px; min-width: 0; }
.day-body h3 { margin: 0; font-size: 17px; font-weight: 700; line-height: 1.25; }
.day-body .why { margin: -4px 0 0; color: var(--text-2); font-size: 14px; max-width: 70ch; }
.tasks { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.tasks li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; }
.tasks .check input:checked ~ .t { text-decoration: line-through; text-decoration-color: var(--ink); text-decoration-thickness: 2px; color: var(--text-2); }
.day.is-final { border-top: 2px solid var(--red); }
.day.is-final .dm { color: var(--red); }
.day.is-final h3 { color: var(--red); }
.plan-side { position: sticky; top: var(--m); display: grid; gap: var(--m); border-left: 2px solid var(--margin); padding-left: calc(var(--m) * 1.5); }
.progress-line { font-variant-numeric: tabular-nums; color: var(--text-2); font-weight: 600; margin: 0; }
.progress-line b { color: var(--text); font-size: 20px; }

/* ---------- Lekce ---------- */
.lesson-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 6px; }
.lesson-list button {
  position: relative;
  appearance: none;
  border: 0;
  background: none;
  font: 600 14px/1.2 var(--font);
  color: var(--text);
  padding: 6px 10px;
  cursor: pointer;
}
.lesson-list button .n { color: var(--text-2); margin-right: 3px; }
.lesson-list button:hover { color: var(--ink); }
.lesson-list button[aria-current="true"] { color: var(--ink); }
.lesson-list button[aria-current="true"]::after {
  content: "";
  position: absolute;
  inset: -1px -3px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  transform: rotate(-3deg);
}
.lesson-list button.done::before {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 3px;
  height: 2px;
  background: var(--green);
  transform: rotate(-1deg);
}
.lesson-list button:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: 4px; }
.step-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--m); }
.step-head .count { color: var(--text-2); font-weight: 600; font-variant-numeric: tabular-nums; font-size: 14px; white-space: nowrap; }
.lesson-art { display: grid; gap: 10px; }
.lesson-art .lede { font-size: 15px; }

/* ---------- Úlohy ---------- */
.pz-head { display: grid; gap: 6px; }
.pz-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--text-2); font-size: 13px; font-weight: 600; }
.pz-meta span { font-variant-numeric: tabular-nums; }
.pz-task { margin: 0; font-size: 16px; line-height: 1.5; max-width: 60ch; }
.thumbs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(calc(var(--m) * 3.2), 1fr));
  gap: calc(var(--m) * 0.5);
}
.thumb {
  position: relative;
  appearance: none;
  width: 100%;
  border: 1px solid var(--rule-2);
  background: var(--paper-2);
  padding: 3px 3px 2px;
  cursor: pointer;
  display: grid;
  gap: 1px;
  color: var(--text);
}
.thumb canvas { display: block; width: 100%; aspect-ratio: 1; }
.thumb .lbl { font: 700 11px/1.2 var(--font); font-variant-numeric: tabular-nums; color: var(--text-2); text-align: left; padding-left: 2px; }
.thumb:hover { border-color: var(--ink); }
.thumb:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.thumb[aria-current="true"]::after {
  content: "";
  position: absolute;
  inset: -7px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  transform: rotate(-6deg);
  pointer-events: none;
}
.thumb.solved::before,
.thumb.late::before {
  content: "";
  position: absolute;
  left: -3px;
  right: -3px;
  top: 50%;
  height: 2.5px;
  background: var(--green);
  transform: rotate(-38deg);
  pointer-events: none;
}
.thumb.late::before { background: var(--text-2); }
.thumb.failed { border-color: var(--red); border-style: dashed; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12px; color: var(--text-2); margin: 0; }
.legend i { display: inline-block; width: 14px; height: 2.5px; vertical-align: middle; margin-right: 4px; transform: rotate(-38deg); }
.legend i.g { background: var(--green); }
.legend i.s { background: var(--text-2); }
.legend i.f { height: 10px; width: 10px; border: 1px dashed var(--red); transform: none; }

/* ---------- Hra ---------- */
.status { display: grid; gap: 8px; }
.status-line {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.status-line .sym { width: 22px; height: 22px; }
.thinking::after {
  content: "";
  display: inline-block;
  width: 1.2em;
  text-align: left;
  animation: dots 1.2s steps(4) infinite;
}
@keyframes dots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }
.timer { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; color: var(--text-2); font-variant-numeric: tabular-nums; }
.timer[hidden] { display: none; }
.timer .track { position: relative; width: calc(var(--m) * 10); height: 6px; border: 1px solid var(--text-2); background: var(--paper-2); }
.timer .fill { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--ink); }
.timer.over .fill { background: var(--red); }
.timer.over { color: var(--red); }
.settings { display: grid; gap: calc(var(--m) * 0.75); padding-top: calc(var(--m) * 0.5); border-top: 1px dashed var(--rule-2); }
.checks { display: grid; gap: 8px; }
.score { margin: 0; font-weight: 600; color: var(--text-2); font-variant-numeric: tabular-nums; }
.score b { color: var(--text); }
.review { display: grid; gap: 10px; }
.review[hidden] { display: none; }
.review-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.review-list button {
  appearance: none;
  width: 100%;
  display: grid;
  grid-template-columns: calc(var(--m) * 3.4) minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  text-align: left;
  border: 0;
  border-bottom: 1px dashed var(--rule-2);
  background: none;
  padding: 7px 4px;
  color: var(--text);
  font: 500 14px/1.35 var(--font);
  cursor: pointer;
}
.review-list button:hover { background: var(--ink-soft); }
.review-list button:focus-visible { outline: 2px solid var(--ink); outline-offset: 1px; }
.review-list button[aria-current="true"] { background: var(--ink-soft); }
.review-list .mv { font-weight: 700; font-variant-numeric: tabular-nums; }
.review-list .tag { font-family: var(--hand); font-size: 18px; line-height: 1; margin-right: 6px; }
.review-list .bad .tag { color: var(--red); }
.review-list .good .tag { color: var(--green); }
.review-bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.progress { font-size: 13px; color: var(--text-2); font-weight: 600; font-variant-numeric: tabular-nums; margin: 0; }

.touch-hint { display: none; margin: 0; font-size: 13px; color: var(--text-2); }
@media (pointer: coarse) { .touch-hint { display: block; } }

/* ---------- Tahák (jen pro tisk) ---------- */
.cheat { display: none; }

/* ---------- Úzké obrazovky ---------- */
@media (max-width: 1000px) {
  .head { grid-template-columns: minmax(0, 1fr) auto; align-items: start; }
  .brand { grid-column: 1; grid-row: 1; }
  .grade { grid-column: 2; grid-row: 1 / span 2; }
  .countdown { grid-column: 1; grid-row: 2; text-align: left; transform: none; }
  .fields { grid-column: 1 / -1; grid-row: 3; }
  .work, .plan { grid-template-columns: minmax(0, 1fr); row-gap: calc(var(--m) * 1.5); }
  .margin-col, .plan-side { border-left: 0; border-top: 2px solid var(--margin); padding-left: 0; padding-top: var(--m); min-height: 0; max-width: none; position: static; }
  .board-bar { width: auto; padding-left: 0; }
}
@media (max-width: 560px) {
  body { padding-inline: 0; padding-block: 0; }
  .sheet { padding: 10px 8px calc(var(--m) * 2); box-shadow: none; }
  .fields { display: none; }
  .brand h1 { font-size: 26px; }
  .tabs { gap: 2px 4px; padding-block: 8px; }
  .tab { font-size: 16px; padding: 8px 9px; }
  .margin-col h2 { font-size: 21px; }
  .day { grid-template-columns: 64px minmax(0, 1fr); column-gap: 10px; }
  .day-date .dm { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ---------- Tisk taháku ---------- */
@media print {
  @page { size: A4; margin: 14mm; }
  body { background: #fff; padding: 0; color: #000; }
  body.print-cheat > *:not(.cheat) { display: none !important; }
  body.print-cheat .cheat { display: block; }
  .cheat { font: 11pt/1.4 var(--font); color: #000; }
  .cheat h1 { font-size: 20pt; margin: 0 0 4mm; letter-spacing: -0.02em; }
  .cheat h2 { font-size: 13pt; margin: 5mm 0 2mm; }
  .cheat ol, .cheat ul { margin: 0; padding-left: 6mm; }
  .cheat li { margin: 1mm 0; }
  .cheat .cols { display: grid; grid-template-columns: 1fr 1fr; gap: 8mm; }
  .cheat .hand { font-family: var(--hand); font-size: 13pt; color: #b0141e; }
  .cheat .row { font-family: "Courier New", monospace; font-size: 12pt; white-space: pre; }
}