/*
 * Knihy Restart muže – společné styly webu (knihovna, serverové stránky, základ pro administraci).
 * Vizuální styl Restartu muže: tmavě modrá #002338, oranžová #F37021, světle šedá #E2E3EB; nadpisy Montserrat,
 * text Open Sans (náhradní webová písma z logomanuálu – hlavní písmo logotypu se na web nesmí, DESIGN.md §18).
 * CSP nepovolí inline styly – všechno je tady.
 */

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 600 800;
  font-display: swap;
  src: url(/static/pisma/Montserrat-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 600 800;
  font-display: swap;
  src: url(/static/pisma/Montserrat-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(/static/pisma/OpenSans-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(/static/pisma/OpenSans-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Open Sans";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url(/static/pisma/OpenSans-Italic-latin-ext.woff2) format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Open Sans";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url(/static/pisma/OpenSans-Italic-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --navy: #002338;
  --navy-2: #0c3550;
  --oranzova: #f37021;
  --oranzova-tmava: #d95d12;
  --seda: #e2e3eb;
  --pozadi: #f3f4f7;
  --karta: #ffffff;
  --text: #1c2733;
  --tlumeny: #5a6573;
  --linka: #d5d8e1;
  --chyba: #b42318;
  --chyba-pozadi: #fdecea;
  --ok: #1d6b45;
  --ok-pozadi: #e7f5ee;
  --info-pozadi: #e9eef4;
  --radius: 14px;
  --stin: 0 1px 2px rgba(0, 35, 56, 0.06), 0 8px 24px rgba(0, 35, 56, 0.08);
  --nadpis: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --telo: "Open Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--pozadi);
  color: var(--text);
  font-family: var(--telo);
  font-size: 16px;
  line-height: 1.6;
}

h1,
h2,
h3 {
  font-family: var(--nadpis);
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.5em;
}
h1 {
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}
h2 {
  font-size: 1.3rem;
  font-weight: 700;
}
h3 {
  font-size: 1.05rem;
  font-weight: 700;
}
p {
  margin: 0 0 1em;
}
a {
  color: var(--navy);
  text-decoration-color: var(--oranzova);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
a:hover {
  color: var(--oranzova-tmava);
}
img {
  max-width: 100%;
  height: auto;
}

:focus-visible {
  outline: 3px solid var(--oranzova);
  outline-offset: 2px;
}

.vizualne-skryte {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ── testovací prostředí (§19.1) ── */
.pruh-test {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #c8102e;
  color: #fff;
  text-align: center;
  font-family: var(--nadpis);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  padding: 6px 16px;
}

/* ── hlavička a patička ── */
.hlavicka {
  background: var(--navy);
  color: #fff;
}
.hlavicka-vnitrek {
  max-width: 880px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.logo {
  display: inline-flex;
  flex: none;
}
.logo img {
  display: block;
  height: 40px;
  width: auto;
}
.ucet {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: #c9d3de;
  min-width: 0;
}
.ucet-email {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.odkaz-tlacitko {
  appearance: none;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #fff;
  border-radius: 999px;
  padding: 5px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.odkaz-tlacitko:hover {
  border-color: var(--oranzova);
  color: #fff;
}

.paticka {
  margin-top: auto;
  background: var(--navy);
  color: #c9d3de;
  font-size: 0.875rem;
}
.paticka-vnitrek {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 16px 28px;
}
.paticka p {
  margin: 0 0 0.4em;
}
.paticka a {
  color: #fff;
}
.paticka-firma {
  color: #8fa0b2;
}

/* ── obsah ── */
.obsah {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 16px 48px;
}
.obsah-uzky {
  max-width: 560px;
}
.uvod {
  margin-bottom: 20px;
}
.uvod p {
  color: var(--tlumeny);
}

.karta {
  background: var(--karta);
  border-radius: var(--radius);
  box-shadow: var(--stin);
  padding: 24px 20px;
  margin-bottom: 20px;
}
@media (min-width: 640px) {
  .karta {
    padding: 32px;
  }
}

/* serverové stránky (worker/src/http/html.ts → <main class="stranka">): logo nad kartou */
main.stranka {
  width: calc(100% - 32px);
  max-width: 560px;
  margin: 32px auto 48px;
  background: var(--karta);
  border-radius: var(--radius);
  box-shadow: var(--stin);
  padding: 24px 20px;
}
main.stranka::before {
  content: "";
  display: block;
  height: 40px;
  margin-bottom: 24px;
  background: url(/static/logo.png) left center / contain no-repeat;
}
@media (min-width: 640px) {
  main.stranka {
    padding: 32px;
    margin-top: 56px;
  }
}

/* ── formuláře a tlačítka ── */
.formular {
  display: grid;
  gap: 10px;
  margin: 8px 0 0;
}
label,
.popisek {
  font-weight: 600;
  color: var(--navy);
}
input[type="email"],
input[type="text"] {
  width: 100%;
  font: inherit;
  font-size: 1.05rem;
  color: var(--text);
  background: #fff;
  border: 2px solid var(--linka);
  border-radius: 10px;
  padding: 12px 14px;
  min-height: 50px;
}
input[type="email"]:focus,
input[type="text"]:focus {
  border-color: var(--navy);
  outline: none;
  box-shadow: 0 0 0 3px rgba(243, 112, 33, 0.35);
}
input[aria-invalid="true"] {
  border-color: var(--chyba);
}

.tlacitko {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 12px 22px;
  border: 0;
  border-radius: 10px;
  background: var(--oranzova);
  color: var(--navy);
  font-family: var(--nadpis);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.05s ease;
}
.tlacitko:hover {
  background: #ff8236;
  color: var(--navy);
}
.tlacitko:active {
  transform: translateY(1px);
}
.tlacitko[disabled],
.tlacitko[aria-disabled="true"] {
  background: var(--seda);
  color: #6f7887;
  cursor: not-allowed;
  transform: none;
}
.tlacitko-druhe {
  background: transparent;
  color: var(--navy);
  box-shadow: inset 0 0 0 2px var(--navy);
}
.tlacitko-druhe:hover {
  background: var(--navy);
  color: #fff;
}
.tlacitko-maly {
  min-height: 40px;
  padding: 8px 16px;
  font-size: 0.9rem;
}

/* ── hlášky ── */
.hlaska {
  border-radius: 10px;
  padding: 12px 14px;
  margin: 0 0 16px;
  background: var(--info-pozadi);
  color: var(--navy);
}
.hlaska-chyba {
  background: var(--chyba-pozadi);
  color: var(--chyba);
}
.hlaska-ok {
  background: var(--ok-pozadi);
  color: var(--ok);
}
.hlaska :last-child {
  margin-bottom: 0;
}
.chyba-pole {
  color: var(--chyba);
  font-size: 0.9rem;
  margin: 0;
}
.drobne {
  font-size: 0.875rem;
  color: var(--tlumeny);
}

/* ── knihovna ── */
.kniha-hlava {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  align-items: start;
  margin-bottom: 20px;
}
@media (min-width: 640px) {
  .kniha-hlava {
    grid-template-columns: 120px 1fr;
    gap: 24px;
  }
}
.obalka {
  display: block;
  width: 100%;
  aspect-ratio: 1244 / 1811;
  object-fit: cover;
  border-radius: 6px;
  background: var(--seda);
  box-shadow: 0 6px 16px rgba(0, 35, 56, 0.25);
}
.kniha-nazev {
  font-size: clamp(1.25rem, 1.05rem + 0.9vw, 1.6rem);
  font-weight: 800;
  margin-bottom: 4px;
}
.kniha-podtitul {
  font-family: var(--nadpis);
  font-weight: 600;
  color: var(--oranzova-tmava);
  margin: 0 0 10px;
  line-height: 1.35;
}
.kniha-udaje {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9rem;
  color: var(--tlumeny);
}

.osloveni {
  border-top: 1px solid var(--seda);
  padding-top: 20px;
  display: grid;
  gap: 8px;
}
.osloveni h3 {
  margin: 0;
}
.osloveni input {
  max-width: 360px;
}
.nahled {
  margin: 4px 0 0;
  color: var(--tlumeny);
}
.nahled q {
  quotes: "„" "“";
  font-style: italic;
  color: var(--navy);
}

.stazeni {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}
.stazeni-tlacitka {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
@media (min-width: 480px) {
  .stazeni-tlacitka {
    grid-template-columns: 1fr 1fr;
    max-width: 480px;
  }
}
/* souhlas s podmínkami před prvním stažením */
.souhlas {
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--info-pozadi);
  color: var(--navy);
}
.souhlas h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}
.souhlas ul {
  margin: 0 0 12px;
  padding-left: 20px;
  font-size: 0.9rem;
}
.souhlas li {
  margin-bottom: 4px;
}
.souhlas-potvrzeni {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-weight: 600;
  cursor: pointer;
}
.souhlas-potvrzeni input {
  flex: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--oranzova);
}

.zbyva {
  margin: 0;
  font-size: 0.9rem;
  color: var(--tlumeny);
}

/* kolečko během sazby */
.sazba {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--info-pozadi);
  color: var(--navy);
}
.sazba p {
  margin: 0;
}
.sazba p + p {
  margin-top: 4px;
}
main.stranka .sazba {
  margin: 20px 0;
}
.kolecko {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 4px solid rgba(0, 35, 56, 0.15);
  border-top-color: var(--oranzova);
  animation: tocit 0.9s linear infinite;
}
@keyframes tocit {
  to {
    transform: rotate(360deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .kolecko {
    animation: pulz 1.6s ease-in-out infinite;
  }
  @keyframes pulz {
    50% {
      opacity: 0.4;
    }
  }
}

.oznaceni {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--seda);
}

.prazdna {
  text-align: center;
}
/* „Odhlásit na všech zařízeních“ pod kartami knih */
.odhlasit-vsude {
  margin: 8px 0 0;
  text-align: center;
}
.odhlasit-vsude p {
  margin: 0 0 8px;
}
.nacitam {
  color: var(--tlumeny);
}

/* přihlášení */
.prihlaseni .formular button {
  margin-top: 6px;
}
@media (min-width: 480px) {
  .prihlaseni .formular button {
    justify-self: start;
  }
}
.potvrzeni-ikona {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--ok-pozadi);
  color: var(--ok);
  display: grid;
  place-items: center;
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
}

/* ── dárek s věnováním (docs/darky.md) ── */
.dar-odkaz {
  margin: 16px 0 0;
}
.odkaz-tlacitko {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  font-weight: 600;
  color: var(--navy);
  text-decoration: underline;
  text-decoration-color: var(--oranzova);
  text-underline-offset: 3px;
  cursor: pointer;
}
.dar-formular,
.dar-stav {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  padding: 16px;
  border-radius: 10px;
  background: var(--info-pozadi);
  color: var(--navy);
}
.dar-formular h3,
.dar-stav h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
}
.dar-formular label {
  font-weight: 600;
}
.dar-formular input[type="text"],
.dar-formular input[type="email"],
.dar-formular input[type="date"],
.dar-formular textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 2px solid var(--seda);
  border-radius: 8px;
  font: inherit;
  background: #fff;
  color: var(--navy);
}
.dar-formular input[type="date"] {
  width: auto;
  padding: 6px 8px;
}
.dar-zpusob {
  border: 0;
  padding: 0;
  margin: 8px 0 0;
  display: grid;
  gap: 6px;
}
.dar-zpusob legend,
.dar-email > label:first-child {
  font-weight: 600;
  margin-bottom: 4px;
}
.dar-zpusob label,
.dar-email label {
  font-weight: 400;
}
.dar-email {
  display: grid;
  gap: 6px;
}
.dar-tlacitka {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}
.dar-citace {
  margin: 4px 0;
  padding-left: 12px;
  border-left: 3px solid var(--oranzova);
  font-style: italic;
}
.dar-citace footer {
  font-style: normal;
  font-weight: 600;
  margin-top: 4px;
}
.dar-kod {
  font: 800 1.6rem/1.2 var(--nadpis, "Montserrat"), sans-serif;
  letter-spacing: 0.08em;
  margin: 4px 0;
}
.darovane ul {
  margin: 0;
  padding-left: 20px;
}
.pole-kod {
  font: 700 1.3rem/1.2 var(--nadpis, "Montserrat"), sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.darek-venovani {
  margin: 16px 0;
  padding: 14px 16px;
  border-left: 4px solid var(--oranzova);
  background: var(--info-pozadi);
  border-radius: 6px;
}
.darek-venovani p {
  margin: 0;
}
.darek-pro {
  font-weight: 700;
}
.darek-text {
  font-style: italic;
  margin-top: 6px !important;
}
.darek-od {
  text-align: right;
  font-weight: 600;
  margin-top: 6px !important;
}
.darek-od::before {
  content: "– ";
}

/* kartička k tisku (A6) */
.karticka {
  page: karticka;
  max-width: 105mm;
  margin: 24px auto;
  padding: 10mm;
  border: 1px dashed var(--seda);
  border-radius: 6px;
  background: #fff;
  color: var(--navy);
  box-sizing: border-box;
}
.karticka-logo {
  height: 12mm;
  width: auto;
}
.karticka-nadpis {
  font: 800 1.5rem/1.2 var(--nadpis, "Montserrat"), sans-serif;
  text-transform: uppercase;
  margin: 4mm 0 2mm;
}
.karticka .darek-venovani {
  background: none;
  padding: 0 0 0 4mm;
  margin: 3mm 0;
}
.karticka-odemknuti {
  display: flex;
  gap: 4mm;
  align-items: center;
  margin-top: 4mm;
}
.karticka-odemknuti p {
  margin: 0;
  font-size: 0.85rem;
}
.karticka-qr {
  width: 24mm;
  height: 24mm;
  flex: none;
}
.karticka-kod {
  white-space: nowrap;
  font: 800 1.15rem/1.3 var(--nadpis, "Montserrat"), sans-serif !important;
  letter-spacing: 0.08em;
  margin-top: 1mm !important;
}
.karticka-kniha {
  font-size: 0.75rem;
  color: var(--tlumeny);
  margin: 4mm 0 0;
}
@page karticka {
  size: A6;
  margin: 0;
}
@media print {
  .karticka-ovladani,
  .paticka,
  .pruh-test,
  main.stranka::before {
    display: none !important;
  }
  main.stranka {
    box-shadow: none;
    margin: 0;
    padding: 0;
    max-width: none;
    background: none;
  }
  .karticka {
    border: 0;
    margin: 0;
    width: 105mm;
    height: 148mm;
  }
}