:root {
  --bg: #f7f6f2;
  --card: #ffffff;
  --ink: #1e2430;
  --muted: #6b7280;
  --line: #e5e2da;
  --accent: #3a6b46;
  --accent-ink: #ffffff;
  --err: #b3261e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 16px/1.55 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--accent); }

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .7rem 1.2rem;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; text-decoration: none; color: var(--ink); }
.nav { display: flex; align-items: center; gap: 1rem; margin-left: auto; }
.nav a { text-decoration: none; }
.nav .who { color: var(--muted); font-size: .9rem; }
.nav .logout { color: var(--muted); }

.wrap { max-width: 860px; margin: 2rem auto; padding: 0 1.2rem; }

h1 { font-size: 1.6rem; margin: 0 0 .8rem; }
h2 { font-size: 1.15rem; margin: 1.6rem 0 .6rem; }

.muted { color: var(--muted); }
.err {
  background: #fdecea; color: var(--err);
  border: 1px solid #f5c6c2; border-radius: 8px;
  padding: .55rem .8rem; margin: 0 0 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.6rem;
}
.card.auth { max-width: 440px; margin: 3rem auto; }
.card.auth h1 { margin-bottom: .3rem; }
.lead { color: var(--muted); margin-top: 0; }

form label {
  display: block;
  font-size: .9rem;
  color: var(--muted);
  margin: .9rem 0 0;
}
form input {
  display: block;
  width: 100%;
  margin-top: .25rem;
  padding: .6rem .7rem;
  font-size: 1rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
}
form input:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }

button {
  margin-top: 1.2rem;
  padding: .6rem 1.1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--accent);
  border: 0;
  border-radius: 9px;
  cursor: pointer;
}
button:hover { filter: brightness(1.06); }

.stats { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1rem 0; }
.stat {
  flex: 1 1 160px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.2rem;
}
.stat .num { display: block; font-size: 2rem; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: .9rem; }

.subjects { list-style: none; padding: 0; margin: .4rem 0; }
.subjects li {
  padding: .55rem .2rem;
  border-bottom: 1px solid var(--line);
}
.subjects .roman {
  display: inline-block;
  min-width: 2.6em;
  font-weight: 700;
  color: var(--accent);
}

/* --- prohlížeč otázek + editor (blok #3) --- */
.crumbs { color: var(--muted); font-size: .9rem; margin: 0 0 1rem; }
.crumbs a { text-decoration: none; }
.counts { float: right; font-size: .85rem; }
.subj-link { text-decoration: none; }

.qlist { list-style: none; padding: 0; margin: .3rem 0 1.2rem; }
.qrow {
  display: flex; align-items: center; gap: .5rem;
  padding: .4rem .2rem; border-bottom: 1px solid var(--line);
}
.qlink { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); flex: 1; min-width: 0; }
.qlink:hover .qtext { text-decoration: underline; }
.qid { font-weight: 700; color: var(--accent); min-width: 2.6em; }
.qtext { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dot { width: .7rem; height: .7rem; border-radius: 50%; flex: none; }
.dot.on { background: var(--accent); }
.dot.off { background: transparent; border: 1.5px solid var(--line); }

.hardtoggle { margin: 0; }
.flag {
  margin: 0; padding: .15rem .45rem; font-size: 1rem; line-height: 1;
  background: transparent; color: #c9c4b8; border: 1px solid var(--line); border-radius: 7px;
}
.flag.active { color: #b8862b; border-color: #e2c88a; background: #fdf5e3; }

.qhead .code { font-size: .8rem; color: var(--muted); letter-spacing: .04em; }
.qhead h1 { margin: .2rem 0 1rem; font-size: 1.35rem; }

.editor-head { display: flex; align-items: baseline; justify-content: space-between; }
.editor-label { font-size: .9rem; color: var(--muted); }
textarea {
  width: 100%; margin-top: .3rem; padding: .7rem .8rem; font-size: 1rem;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  line-height: 1.5; color: var(--ink); background: #fff;
  border: 1px solid var(--line); border-radius: 10px; resize: vertical;
}
textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

.hardline { display: flex; align-items: center; gap: .5rem; margin: .9rem 0; font-size: .95rem; }
.hardline input { width: auto; }
.editor-actions { display: flex; align-items: center; gap: .7rem; margin-top: .3rem; }

.btn-ghost {
  padding: .55rem .9rem; font-size: .95rem; font-weight: 600; text-decoration: none;
  color: var(--accent); background: transparent; border: 1px solid var(--accent);
  border-radius: 9px; cursor: pointer;
}
.btn-ghost:hover { background: #eef3ee; }

.toast {
  background: #e7f3ea; color: #235c34; border: 1px solid #bfe0c8;
  border-radius: 8px; padding: .5rem .8rem; margin: 0 0 1rem;
}

.master { margin-top: 2rem; border-top: 2px solid var(--line); padding-top: 1rem; }
.master h3 { margin: 0 0 .5rem; font-size: 1rem; }
.master-body {
  background: #faf8f2; border: 1px solid var(--line); border-radius: 10px;
  padding: .8rem 1rem; font-size: .97rem;
}
.master-body :first-child { margin-top: 0; }
.master-body :last-child { margin-bottom: 0; }

/* --- karty/okruhy (blok #4) --- */
.cardlist { list-style: none; padding: 0; margin: .6rem 0; }
.cardlist li { border-bottom: 1px solid var(--line); }
.cardlink {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .7rem .3rem; text-decoration: none; color: var(--ink);
}
.cardlink:hover .cardname { text-decoration: underline; }
.cardname { font-weight: 600; }
.prog { display: flex; align-items: center; gap: .6rem; color: var(--muted); font-size: .85rem; white-space: nowrap; }
.bar { width: 120px; height: 7px; background: var(--line); border-radius: 4px; overflow: hidden; }
.bar .fill { display: block; height: 100%; background: var(--accent); }
.subjects .subj-link { text-decoration: none; font-weight: 600; }

/* --- tisk (blok #5) --- */
.print-btn { font-size: .8rem; padding: .3rem .6rem; vertical-align: middle; margin-left: .6rem; }
.printlinks { display: flex; gap: .6rem; flex-wrap: wrap; }

.printbar { display: flex; gap: 1rem; align-items: center; padding: .8rem 1.2rem; background: var(--card); border-bottom: 1px solid var(--line); }
.printbody { background: #fff; }
.printdoc { max-width: 800px; margin: 1.5rem auto; padding: 0 1.2rem; }
.printtitle { font-size: 1.4rem; margin: 0 0 1rem; }
.printgroup { margin: 0 0 1.4rem; }
.printgroup h2 { font-size: 1.05rem; border-bottom: 2px solid var(--line); padding-bottom: .2rem; }
.pq { margin: 0 0 .9rem; page-break-inside: avoid; }
.pq-q { font-weight: 600; margin: .5rem 0 .25rem; }
.pq-code { color: var(--muted); font-weight: 400; font-size: .8rem; margin-right: .3rem; }
.pq-a { margin-left: .2rem; }
.pq-a.is-master { color: #444; }
.pq-a.pq-empty { color: var(--muted); font-style: italic; }
.pq-tag { display: inline-block; font-size: .7rem; background: #f0ead9; color: #8a6d1f; border-radius: 4px; padding: 0 .35rem; margin-right: .4rem; vertical-align: middle; }
.pq-a :first-child { margin-top: 0; }

@media print {
  .noprint { display: none !important; }
  .printdoc { max-width: none; margin: 0; padding: 0; }
  body { font-size: 11pt; }
  .printgroup { page-break-inside: auto; }
  .printgroup h2 { page-break-after: avoid; }
  a { color: inherit; text-decoration: none; }
}

/* --- kredit na loginu --- */
.credit { margin-top: 1.3rem; padding-top: .9rem; border-top: 1px solid var(--line); font-size: .8rem; color: var(--muted); text-align: center; }
.credit a { color: var(--accent); }

/* --- tisk karet 4 na stránku (A4 landscape) --- */
.gridpage { display: flex; gap: 4mm; align-items: stretch; padding: 6mm; }
.gcard {
  flex: 1 1 0; width: 25%; min-width: 0;
  border: 1px solid #bbb; border-radius: 4px; padding: 3.5mm;
  font-size: 8.5pt; line-height: 1.3; overflow: hidden;
}
.gcard h3 { font-size: 9pt; margin: 0 0 2mm; padding-bottom: 1mm; border-bottom: 1px solid #ddd; }
.gcard .gq { font-weight: 700; margin: 2mm 0 .5mm; }
.gcard .ga { margin: 0 0 1mm; }
.gcard .ga :first-child { margin-top: 0; }
.gcard .ga :last-child { margin-bottom: 0; }
@media print {
  .gridpage { break-after: page; page-break-after: always; padding: 0; min-height: 185mm; }
  .gridpage:last-child { break-after: auto; page-break-after: auto; }
  .gcard { break-inside: avoid; }
}

/* --- průchod těžkými + klikací dlaždice --- */
.statlink { text-decoration: none; color: inherit; }
.statlink:hover { border-color: var(--accent); }
.statlink .lbl { color: var(--accent); }
.hardnav { display: flex; gap: 1rem; align-items: center; justify-content: space-between;
  background: #fdf5e3; border: 1px solid #e2c88a; border-radius: 9px; padding: .5rem .8rem; margin: 0 0 1rem; font-size: .9rem; }
.hardnav a { text-decoration: none; color: #8a6d1f; font-weight: 600; }
.hardsubj { margin-top: 1.4rem; }
.hardcard { margin: .8rem 0 .2rem; font-size: 1rem; color: var(--muted); }

/* --- mřížka 2×2 (A4 na výšku, varianta „vše") --- */
.gridpage.grid2 { flex-wrap: wrap; }
.gridpage.grid2 .gcard { flex: 0 0 calc(50% - 2mm); }
@media print {
  .gridpage.grid2 { min-height: 0; }
  .gridpage.grid2 .gcard { min-height: 128mm; }
}