:root {
  --pozadi: #f6f3ee;
  --plocha: #ffffff;
  --plocha-2: #efeae2;
  --text: #24211d;
  --text-2: #6b645a;
  --okraj: #ddd5c8;
  --akcent: #9a4b20;
  --akcent-text: #ffffff;
  --precteno: #2e7d4f;
  --cte: #b7791f;
  --chce: #3b6ea8;
  --stin: 0 1px 2px rgb(0 0 0 / .08), 0 4px 12px rgb(0 0 0 / .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --pozadi: #171513;
    --plocha: #221f1c;
    --plocha-2: #2c2824;
    --text: #ece6dc;
    --text-2: #a59d91;
    --okraj: #3a352f;
    --akcent: #e0905f;
    --akcent-text: #1b1714;
    --precteno: #5cbf85;
    --cte: #e3b04b;
    --chce: #7aa8e0;
    --stin: 0 1px 2px rgb(0 0 0 / .4), 0 4px 14px rgb(0 0 0 / .3);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--pozadi);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--akcent); }
h1, h2 { font-family: Georgia, "Iowan Old Style", "Palatino Linotype", serif; font-weight: 600; line-height: 1.2; }
h2 { font-size: 1.3rem; margin: 2rem 0 1rem; }

.lista {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: .6rem 16px;
  background: color-mix(in srgb, var(--plocha) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--okraj);
}
.logo { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; margin-right: auto; }
.lista nav { display: flex; gap: .25rem; flex-wrap: wrap; }
.lista nav a {
  color: var(--text-2); text-decoration: none; padding: .3rem .65rem; border-radius: 999px;
}
.lista nav a:hover { background: var(--plocha-2); color: var(--text); }
.lista nav a[aria-current] { background: var(--plocha-2); color: var(--text); font-weight: 600; }

.uzivatel { display: flex; align-items: center; gap: .6rem; font-size: .9rem; }
@media (max-width: 760px) {
  .lista { gap: .3rem .5rem; padding-bottom: .4rem; }
  .uzivatel { order: 2; }
  .lista nav { order: 3; flex: 1 0 100%; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 -16px; padding: 0 12px; }
  .lista nav a { white-space: nowrap; }
}
.uzivatel a { color: var(--text-2); text-decoration: none; padding: .3rem .5rem; border-radius: 999px; }
.uzivatel a:hover, .uzivatel a[aria-current] { background: var(--plocha-2); color: var(--text); }
.uzivatel form { margin: 0; }
.uzivatel button.odkaz { color: var(--text-2); }

/* Přihlášení a formuláře */
.prihlaseni {
  max-width: 360px; margin: 8vh auto 0; display: grid; gap: 1rem; padding: 2rem;
  background: var(--plocha); border: 1px solid var(--okraj); border-radius: 12px; box-shadow: var(--stin);
}
.prihlaseni h1 { margin: 0 0 .5rem; text-align: center; font-size: 1.6rem; }
.prihlaseni .tlacitko { justify-content: center; padding: .7rem; }
.prihlaseni .poznamka { margin: 0; text-align: center; font-size: .85rem; }
.prihlaseni .hlaseni { margin: 0; }
.prihlaseni label, .formular label { display: grid; gap: .3rem; color: var(--text-2); font-size: .9rem; }
.formular { display: grid; gap: .8rem; max-width: 360px; }
.formular .tlacitko { justify-self: start; }
.formular p { margin: 0; }
.zaskrtavatko { display: flex !important; align-items: center; gap: .5rem !important; color: var(--text) !important; }
input[type=password] {
  font: inherit; color: var(--text); background: var(--plocha);
  border: 1px solid var(--okraj); border-radius: 8px; padding: .5rem .7rem; min-width: 0;
}
.prihlaseni input { padding: .65rem .8rem; }
.hlaseni.chyba { background: color-mix(in srgb, #d0443e 18%, var(--plocha)); }

main { max-width: 1400px; margin: 0 auto; padding: 1rem 16px 3rem; }

/* Filtry */
.filtry { display: grid; gap: .7rem; margin-bottom: 1.2rem; }
input[type=search], select, input[type=text] {
  font: inherit; color: var(--text); background: var(--plocha);
  border: 1px solid var(--okraj); border-radius: 8px; padding: .5rem .7rem; min-width: 0;
}
input[type=search] { width: 100%; font-size: 1.05rem; padding: .65rem .9rem; }
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--akcent); outline-offset: 2px; }
.stavy { display: flex; gap: .35rem; flex-wrap: wrap; }
.stavy button {
  font: inherit; cursor: pointer; padding: .35rem .85rem; border-radius: 999px;
  border: 1px solid var(--okraj); background: var(--plocha); color: var(--text-2);
}
.stavy button[aria-pressed=true] { background: var(--akcent); border-color: var(--akcent); color: var(--akcent-text); }
.radek-hledani { display: flex; gap: .5rem; }
.radek-stav { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.radek-stav select { flex: 0 1 13rem; }
.aktivni-filtry { display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.cip {
  font: inherit; font-size: .85rem; cursor: pointer; display: inline-flex; gap: .3rem; align-items: baseline;
  padding: .2rem .65rem; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--akcent) 50%, var(--okraj));
  background: color-mix(in srgb, var(--akcent) 14%, var(--plocha)); color: var(--text);
}
.cip .druh { color: var(--text-2); }
.cip:hover { border-color: var(--akcent); }

/* Katalog s levým panelem (jako prohlížeč štítků v Calibre) */
.katalog { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.panel {
  position: sticky; top: calc(var(--vyska-listy, 56px) + .5rem);
  max-height: calc(100vh - var(--vyska-listy, 56px) - 1rem); overflow-y: auto; overscroll-behavior: contain;
  background: var(--plocha); border: 1px solid var(--okraj); border-radius: 10px; padding: .5rem;
  scrollbar-width: thin;
}
.panel-hlavicka { position: sticky; top: -.5rem; z-index: 1; display: flex; gap: .3rem; background: var(--plocha); padding: .5rem 0 .4rem; margin-top: -.5rem; }
.panel-hlavicka input { flex: 1; font-size: .9rem; padding: .4rem .6rem; }
.panel-zavrit { display: none; font: inherit; background: none; border: 0; color: var(--text-2); cursor: pointer; font-size: 1.1rem; padding: 0 .4rem; }
.sekce > summary {
  display: flex; align-items: center; gap: .45rem; cursor: pointer; list-style: none;
  padding: .45rem .5rem; border-radius: 6px; font-weight: 600; user-select: none;
}
.sekce > summary::-webkit-details-marker { display: none; }
.sekce > summary::before { content: "▸"; color: var(--text-2); font-size: .8rem; width: .7rem; transition: transform .15s; }
.sekce[open] > summary::before { transform: rotate(90deg); }
.sekce > summary:hover { background: var(--plocha-2); }
.sekce > summary .nazev { flex: 1; }
.sekce > summary .pocet { font-weight: 400; font-size: .8rem; color: var(--text-2); }
.sekce.ma-vyber > summary .nazev::after { content: " •"; color: var(--akcent); }
.sekce ul { list-style: none; margin: 0 0 .4rem; padding: 0 0 0 1.15rem; }
.sekce li button {
  width: 100%; display: flex; gap: .5rem; align-items: baseline; text-align: left;
  font: inherit; font-size: .88rem; color: var(--text); background: none; border: 0; cursor: pointer;
  padding: .22rem .5rem; border-radius: 5px;
}
.sekce li button .text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sekce li button .pocet { font-size: .78rem; color: var(--text-2); font-variant-numeric: tabular-nums; }
.sekce li button:hover { background: var(--plocha-2); }
.sekce li button[aria-pressed=true] { background: var(--akcent); color: var(--akcent-text); }
.sekce li button[aria-pressed=true] .pocet { color: inherit; opacity: .85; }
.sekce li.nula button { color: var(--text-2); opacity: .55; }
.radek-hledani .panel-otevrit { display: none; white-space: nowrap; }
.panel-pozadi { display: none; }

@media (max-width: 900px) {
  .katalog { grid-template-columns: minmax(0, 1fr); }
  .panel {
    position: fixed; z-index: 30; top: 0; bottom: 0; left: 0; width: min(320px, 86vw); max-height: none;
    border-radius: 0 10px 10px 0; transform: translateX(-105%); transition: transform .2s ease;
    box-shadow: var(--stin);
  }
  .panel-hlavicka { top: -.5rem; }
  body.panel-otevreny .panel { transform: none; }
  body.panel-otevreny { overflow: hidden; }
  .panel-pozadi:not([hidden]) { display: block; position: fixed; inset: 0; z-index: 25; background: rgb(0 0 0 / .45); }
  .panel-zavrit { display: inline-block; }
  .radek-hledani .panel-otevrit { display: inline-flex; }
  .sekce li button { padding: .4rem .5rem; font-size: .95rem; }
}
button.odkaz { font: inherit; background: none; border: 0; color: var(--akcent); cursor: pointer; text-decoration: underline; }
.souhrn { margin: 0; color: var(--text-2); font-size: .9rem; }

/* Mřížka obálek */
.mrizka {
  display: grid; gap: 1.4rem 1rem;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}
.mrizka.mala { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
@media (max-width: 480px) { .mrizka { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 1rem .7rem; } }
.karta { display: flex; flex-direction: column; gap: .15rem; text-decoration: none; color: var(--text); min-width: 0; }
.obal {
  position: relative; aspect-ratio: 2 / 3; border-radius: 4px; overflow: hidden;
  background: var(--plocha-2); box-shadow: var(--stin); margin-bottom: .35rem;
  transition: transform .15s ease;
}
.karta:hover .obal { transform: translateY(-3px); }
.karta.aktualni .obal { outline: 3px solid var(--akcent); outline-offset: 2px; }
.obal img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bez-obalky {
  display: flex; align-items: center; justify-content: center; text-align: center; padding: .8rem;
  font-family: Georgia, serif; font-size: .95rem; color: var(--text-2);
  background: linear-gradient(160deg, var(--plocha-2), color-mix(in srgb, var(--akcent) 18%, var(--plocha-2)));
}
.karta .nazev { font-weight: 600; font-size: .9rem; line-height: 1.25; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.karta .autor, .karta .serie { font-size: .8rem; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stitek-stav {
  position: absolute; left: 6px; bottom: 6px; font-size: .7rem; font-weight: 700; padding: .1rem .45rem;
  border-radius: 999px; color: #fff; background: var(--text-2);
}
.stitek-stav.stav-precteno { background: color-mix(in srgb, var(--precteno) 90%, #000); }
.stitek-stav.stav-cte { background: color-mix(in srgb, var(--cte) 85%, #000); }
.stitek-stav.stav-chce { background: color-mix(in srgb, var(--chce) 85%, #000); }
.prazdno { color: var(--text-2); padding: 3rem 0; text-align: center; }

/* Detail */
.zpet { margin: 0 0 1rem; }
.zpet a { text-decoration: none; }
.detail { display: grid; grid-template-columns: minmax(180px, 300px) 1fr; gap: 2rem; align-items: start; }
@media (max-width: 700px) { .detail { grid-template-columns: 1fr; } .detail-obalka { max-width: 220px; margin: 0 auto; } }
.detail-obalka img { width: 100%; border-radius: 6px; box-shadow: var(--stin); display: block; }
.detail-obalka .obal { margin: 0; }
.detail h1 { font-size: 2rem; margin: 0 0 .3rem; }
.detail-autori { font-size: 1.1rem; margin: 0; }
.detail-autori a, .detail-serie a { text-decoration: none; }
.detail-serie { margin: .2rem 0 0; color: var(--text-2); }
.cteni-box {
  margin: 1.2rem 0; padding: .8rem 1rem; border-radius: 8px; background: var(--plocha);
  border: 1px solid var(--okraj); border-left: 4px solid var(--text-2);
}
.cteni-box.stav-precteno { border-left-color: var(--precteno); }
.cteni-box.stav-cte { border-left-color: var(--cte); }
.cteni-box.stav-chce { border-left-color: var(--chce); }
.cteni-box ul { margin: .4rem 0 0; padding-left: 1.2rem; }
.cteni-box small { display: block; color: var(--text-2); margin-top: .2rem; }
.hvezdy { color: var(--cte); margin-left: .6rem; letter-spacing: .05em; }
.formaty { display: flex; gap: .5rem; flex-wrap: wrap; margin: 1rem 0; }
.tlacitko {
  display: inline-flex; align-items: baseline; gap: .4rem; padding: .5rem .9rem; border-radius: 8px;
  background: var(--akcent); color: var(--akcent-text); text-decoration: none; font-weight: 600;
  border: 0; font: inherit; cursor: pointer;
}
.tlacitko small { font-weight: 400; opacity: .85; }
.tlacitko.vedlejsi { background: var(--plocha-2); color: var(--text); }
.udaje { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin: 1.2rem 0; }
.udaje dt { color: var(--text-2); }
.udaje dd { margin: 0; }
.stitky, .odkazy { display: flex; gap: .35rem; flex-wrap: wrap; }
.stitky a {
  font-size: .85rem; text-decoration: none; padding: .05rem .55rem; border-radius: 999px;
  background: var(--plocha-2); color: var(--text);
}
.odkazy > * + *::before { content: "·"; color: var(--text-2); margin-right: .35rem; }
.popis { max-width: 70ch; }
.popis p { margin: 0 0 .8rem; }

/* Tabulky (čtení, párování) */
.tabulka { width: 100%; border-collapse: collapse; background: var(--plocha); border-radius: 8px; overflow: hidden; }
.tabulka th, .tabulka td { text-align: left; padding: .5rem .7rem; border-bottom: 1px solid var(--okraj); vertical-align: middle; }
.tabulka th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-2); background: var(--plocha-2); }
.tabulka td small { color: var(--text-2); }
.tabulka img { width: 36px; border-radius: 2px; display: block; }
.posuvnik { overflow-x: auto; }
.poznamka { color: var(--text-2); max-width: 75ch; }
.hlaseni { padding: .7rem 1rem; border-radius: 8px; background: color-mix(in srgb, var(--precteno) 15%, var(--plocha)); margin: 0 0 1rem; }
.radek-formular { display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.radek-formular select { max-width: 22rem; flex: 1 1 14rem; }

/* Statistiky čtení */
.roky { display: grid; gap: .3rem; max-width: 640px; }
.rok { display: grid; grid-template-columns: 3.5rem 1fr 2.5rem; align-items: center; gap: .6rem; text-decoration: none; color: var(--text); }
.rok .pruh { height: 1.1rem; border-radius: 3px; background: var(--precteno); min-width: 2px; }
.rok .pocet { color: var(--text-2); font-variant-numeric: tabular-nums; }
.kod { font-family: ui-monospace, Consolas, monospace; background: var(--plocha-2); padding: .15rem .45rem; border-radius: 4px; word-break: break-all; }