/* Ukázka virtuální asistentky: veřejná stránka i administrace.
   Systémová písma (žádné externí požadavky), CSP povoluje jen vlastní CSS. */

:root {
  --navy-900: #0a1c33;
  --navy-800: #0d2340;
  --navy-700: #16335c;
  --ink: #17212f;
  --ink-soft: #4a5666;
  --line: #d9e1ea;
  --bg: #f3f6f9;
  --card: #ffffff;
  --accent: #0b7a5c;
  --accent-dark: #075c45;
  --accent-soft: #e2f4ee;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --warn: #8a5300;
  --warn-soft: #fff4dc;
  --rec: #d92d20;
  --focus: #1d4ed8;
  --shadow:
    0 1px 2px rgba(13, 35, 64, 0.06), 0 14px 36px rgba(13, 35, 64, 0.12);
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;
  color: var(--ink);
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

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

body {
  margin: 0;
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

[hidden] {
  display: none !important;
}

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

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

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

.preskocit {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 20;
  background: #fff;
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 8px;
}

.preskocit:focus {
  left: 8px;
}

.obal {
  width: min(100% - 32px, 1040px);
  margin-inline: auto;
}

/* ------------------------------------------------------------ hlavička */

.hlavicka {
  background: var(--navy-900);
  color: #fff;
}

.hlavicka-obsah {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 14px 0;
}

.znacka {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.znacka-ikona {
  flex: none;
}

.stitek {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hlavicka-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px 20px;
  min-width: 0;
}

.prihlasen {
  max-width: 100%;
  overflow: hidden;
  color: #b9c8dd;
  font-size: 0.9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hlavicka-nav a,
.odkaz-tlacitko {
  color: #fff;
}

.hlavicka-nav form {
  margin: 0;
}

.odkaz-tlacitko {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

/* ---------------------------------------------------------------- úvod */

.uvod {
  background: linear-gradient(160deg, var(--navy-800) 0%, var(--navy-700) 100%);
  color: #fff;
  padding: 44px 0 104px;
}

.nadtitulek {
  margin: 0 0 12px;
  color: #82d8bf;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.uvod h1 {
  margin: 0 0 16px;
  max-width: 24ch;
  font-size: clamp(1.8rem, 1.2rem + 2.6vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.uvod-text {
  margin: 0;
  max-width: 64ch;
  color: #d3deec;
  font-size: 1.06rem;
}

/* --------------------------------------------------------------- hovor */

.hovor-obal {
  position: relative;
  margin-top: -68px;
}

.hovor {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.hovor-hlava {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.stav {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.stav-bod {
  flex: none;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #8a97a6;
}

.stav[data-faze="mikrofon"] .stav-bod,
.stav[data-faze="pripojuji"] .stav-bod {
  background: #d9822b;
  animation: puls 1.2s ease-in-out infinite;
}

.stav[data-faze="hovor"] .stav-bod {
  background: #12a37f;
  animation: puls 1.6s ease-in-out infinite;
}

.stav[data-faze="chyba"] .stav-bod {
  background: var(--danger);
}

.cas {
  margin: 0;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.cas-popis {
  font-size: 0.85rem;
}

#cas {
  color: var(--ink);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.dochazi #cas {
  color: var(--danger);
}

.cas-pruh {
  height: 5px;
  margin: 14px 0 24px;
  background: #e6edf4;
  border-radius: 999px;
  overflow: hidden;
}

#cas-pruh {
  display: block;
  height: 100%;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(var(--podil, 0));
  transition: transform 0.25s linear;
}

.dochazi #cas-pruh {
  background: var(--danger);
}

.ovladani {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.tlacitko {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border: 1.5px solid #c3cfdb;
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color 0.15s,
    border-color 0.15s,
    box-shadow 0.15s,
    transform 0.05s;
}

.tlacitko:hover {
  background: #f0f4f8;
}

.tlacitko:active {
  transform: translateY(1px);
}

.tlacitko:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.tlacitko-hlavni {
  min-height: 62px;
  padding: 0 38px;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-size: 1.12rem;
  box-shadow: 0 8px 20px rgba(11, 122, 92, 0.3);
}

.tlacitko-hlavni:hover:not(:disabled) {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.tlacitko-konec {
  min-height: 62px;
  padding: 0 38px;
  border-color: var(--danger);
  color: var(--danger);
  font-size: 1.12rem;
}

.tlacitko-konec:hover {
  background: var(--danger-soft);
}

.napoveda {
  margin: 14px 0 0;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.chyba {
  margin: 18px 0 0;
  padding: 12px 16px;
  border: 1px solid #f1bdb7;
  border-radius: 12px;
  background: var(--danger-soft);
  color: #7a1a12;
}

.oznameni {
  margin: 0 0 20px;
  padding: 12px 16px;
  border: 1px solid #f0d49a;
  border-radius: 12px;
  background: var(--warn-soft);
  color: var(--warn);
  font-weight: 600;
}

/* ------------------------------------------------- ukazatele hlasitosti */

.miry {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.mira {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fafc;
  transition:
    border-color 0.15s,
    background-color 0.15s;
}

.mira.mluvi {
  border-color: #8fd0bb;
  background: var(--accent-soft);
}

.mira-nazev {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 104px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 600;
}

.rec-bod {
  display: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--rec);
  animation: puls 1.4s ease-in-out infinite;
}

#ukazka[data-faze="hovor"] .rec-bod {
  display: inline-block;
}

.mira-sloupce {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 4px;
  height: 32px;
}

.mira-sloupce > span {
  flex: 1;
  max-width: 12px;
  height: 100%;
  border-radius: 3px;
  background: var(--navy-700);
  opacity: 0.85;
  transform: scaleY(0.1);
  transition: transform 0.07s linear;
}

#mira-ona .mira-sloupce > span {
  background: var(--accent);
}

/* ------------------------------------------------------- živý přepis */

.prepis-obal {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.prepis-nadpis {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.prepis {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 340px;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
}

.prepis-prazdny {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.rad {
  max-width: 90%;
  padding: 10px 14px;
  border: 1px solid;
  border-radius: 14px;
}

.rad-ona {
  align-self: flex-start;
  background: #eef7f3;
  border-color: #cfe8df;
  border-top-left-radius: 4px;
}

.rad-vy {
  align-self: flex-end;
  background: #eef2fb;
  border-color: #d5def3;
  border-top-right-radius: 4px;
}

.rad-kdo {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rad-ceka {
  color: var(--ink-soft);
}

/* --------------------------------------------------------- informace */

.info {
  padding: 40px 0 56px;
}

.info-mrizka {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}

.info-karta {
  padding: 22px 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.info-karta h2 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.info-karta p,
.info-karta ol {
  margin: 0 0 10px;
  color: #2f3b4a;
  font-size: 0.97rem;
}

.info-karta ol {
  padding-left: 1.2em;
}

.info-karta li + li {
  margin-top: 6px;
}

.info-karta .tip {
  color: var(--ink-soft);
}

.paticka {
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.paticka-obsah {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 22px 0;
}

.paticka p {
  margin: 0;
}

.chyba-stranka {
  padding: 56px 0;
}

/* ------------------------------------------------------- administrace */

.admin-obsah {
  max-width: 880px;
  padding: 32px 0 72px;
}

.admin-obsah h1 {
  margin: 0 0 20px;
  font-size: 1.7rem;
}

.admin-login {
  max-width: 460px;
}

.vysvetleni {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.prihlaseni .flash {
  margin: 0 0 16px;
}

.prihlaseni .tlacitko {
  width: 100%;
}

.panel {
  margin: 0 0 20px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 1px 2px rgba(13, 35, 64, 0.04);
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 1.1rem;
}

fieldset {
  min-width: 0;
  margin: 0 0 26px;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 12px;
  padding: 0;
  font-size: 1.08rem;
  font-weight: 700;
}

.pole {
  display: grid;
  align-content: start;
  gap: 6px;
  margin: 0 0 16px;
}

.pole > span {
  font-size: 0.92rem;
  font-weight: 600;
}

.pole small {
  color: var(--ink-soft);
}

.pole input:not([type="radio"], [type="checkbox"]),
.pole textarea,
.pole select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid #c3cfdb;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.pole textarea {
  resize: vertical;
  line-height: 1.5;
}

[aria-invalid="true"] {
  border-color: var(--danger) !important;
}

.pole-chyba {
  color: var(--danger);
  font-size: 0.9rem;
  font-weight: 600;
}

.mrizka {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr 1fr;
}

.mrizka-3 {
  grid-template-columns: repeat(3, 1fr);
}

.volba {
  margin-top: 6px;
}

.radio {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  cursor: pointer;
}

.radio input {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--accent);
}

.radio-prepinac {
  padding: 12px 14px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.akce {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
}

.akce .napoveda {
  margin: 0;
}

.prehled dl {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin: 0;
}

.prehled dt {
  color: var(--ink-soft);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.prehled dd {
  margin: 4px 0 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.historie {
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.znacka-stavu {
  display: inline-block;
  padding: 2px 12px;
  border-radius: 999px;
  font-size: 0.95rem;
}

.znacka-stavu.zap {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.znacka-stavu.vyp {
  background: var(--danger-soft);
  color: var(--danger);
}

.nastroje-mrizka {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.nastroje-mrizka form {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
}

.nastroje-mrizka p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.flash {
  margin: 0 0 20px;
  padding: 12px 16px;
  border: 1px solid;
  border-radius: 12px;
  font-weight: 600;
}

.flash-ok {
  background: var(--accent-soft);
  border-color: #9fd6c3;
  color: var(--accent-dark);
}

.flash-chyba {
  background: var(--danger-soft);
  border-color: #f1bdb7;
  color: #7a1a12;
}

code {
  padding: 1px 6px;
  border-radius: 6px;
  background: #eef2f6;
  font-size: 0.92em;
}

/* ---------------------------------------------------------------- úzké */

@media (max-width: 720px) {
  .hlavicka-nav {
    justify-content: flex-start;
    width: 100%;
  }

  .uvod {
    padding: 32px 0 92px;
  }

  .hovor {
    padding: 20px 16px;
    border-radius: 18px;
  }

  .ovladani .tlacitko {
    width: 100%;
  }

  .mira-nazev {
    width: 88px;
  }

  .mrizka,
  .mrizka-3 {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 18px 16px;
  }

  .rad {
    max-width: 96%;
  }
}

@keyframes puls {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.8);
  }
}

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