:root {
  --bg: #ffffff;
  --fg: #222222;
  --dim: #888888;
  --line: #dddddd;
}

html.app-mode {
  --bg: #2b2b2b;
  --fg: #eeeeee;
  --dim: #999999;
  --line: #444444;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  display: flex;
  flex-direction: column;
}

/* prohlížeč (nenainstalováno) = jen instalační landing */
html:not(.app-mode) #apphead,
html:not(.app-mode) #appnav {
  display: none;
}

#apphead {
  padding: calc(env(safe-area-inset-top) + 8px) 14px 8px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#apptitle {
  font-size: 1.05em;
  letter-spacing: 0.04em;
}

#view-label {
  font-size: 0.95em;
  font-weight: bold;
}

/* --- datum a šipky dnů vpravo nahoře --- */
#daily-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

#daily-nav[hidden] { display: none; }

#daily-nav button {
  background: none;
  border: none;
  padding: 8px 6px;
  color: var(--fg);
}

#daily-nav svg {
  width: 22px;
  height: 22px;
  display: block;
}

#daily-date {
  font-size: 0.85em;
  color: var(--dim);
  min-width: 74px;
  text-align: center;
}

main {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.view {
  height: 100%;
  overflow-y: auto;
  padding: 0;
}

/* --- instalační landing --- */
#view-install {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: calc(env(safe-area-inset-top) + 32px) 20px 20px;
}

#view-install[hidden] { display: none; }

#install-logo {
  width: min(52vw, 240px);
  height: auto;
}

#install-title {
  margin: 0 0 6px;
  font-size: 2.1em;
  font-weight: bold;
  letter-spacing: 0.04em;
}

#install-tagline {
  margin: 0 0 18px;
  max-width: 340px;
  color: var(--dim);
  line-height: 1.5;
}

#install-benefits {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  max-width: 340px;
  text-align: left;
  line-height: 1.5;
}

#install-benefits li {
  margin: 8px 0;
  padding-left: 26px;
  position: relative;
}

#install-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #0070C9;   /* modrá dle .want-btn */
  font-weight: bold;
}

#ios-guide {
  color: var(--dim);
  text-align: left;
}

#ios-guide ol {
  margin: 8px 0 0;
  padding-left: 20px;
}

#ios-guide li { margin: 6px 0; }

#ios-guide svg {
  width: 20px;
  height: 20px;
  vertical-align: -4px;
}

/* --- modré tlačítko (převzato z webu — .want-btn v my.css) --- */
.want-btn { background-image: linear-gradient(#42A1EC, #0070C9); border: 1px solid #0077CC; border-radius: 4px; box-sizing: border-box; color: #FFFFFF; cursor: pointer; direction: ltr; font-family: sans-serif;
  font-size: 17px; font-weight: 400; letter-spacing: -.022em; line-height: 1.47059; min-width: 30px; overflow: visible; padding: 4px 15px; text-align: center; user-select: none; -webkit-user-select: none; touch-action: manipulation; white-space: nowrap;}

/* --- daily: horizontal strip, scroll-snap --- */
#daily-strip {
  height: 100%;
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

#daily-strip figure {
  flex: 0 0 100%;
  scroll-snap-align: center;
  scroll-snap-stop: always;   /* Android: fling nesmí přeletět víc fotek najednou */
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px;
  overflow-y: auto;
}

#daily-strip img,
#random-photo img {
  max-width: 100%;
  max-height: 70vh;
  width: auto;
  height: auto;
}

#daily-strip figcaption,
#random-photo figcaption {
  margin-top: 16px;
  max-width: 640px;
  text-align: center;
}

/* velikosti dle webu: název = h1 v .news (1.25em bold), story = běžný text 1em */
.photo-name {
  font-size: 1.25em;
  font-weight: bold;
}

.photo-story {
  margin-top: 14px;
  font-size: 1em;
  line-height: 1.5;
  text-align: left;
}

#daily-empty,
#random-offline,
#view-workshop p {
  text-align: center;
  color: var(--dim);
  padding: 40px 20px;
}

/* --- random --- */
#view-random {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#view-random[hidden] { display: none; }

#random-photo {
  margin: 0;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* --- nastavení --- */
#view-settings {
  padding: 20px 16px calc(env(safe-area-inset-bottom) + 20px);
}

#settings-form label {
  display: inline-block;
  margin: 4px 18px 4px 0;
}

.settings-note {
  font-size: 0.8em;
  color: var(--dim);
}

#about {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

#about h2 {
  font-size: 1em;
  font-weight: 600;
  margin: 20px 0 4px;
}

#about p {
  margin: 0;
  font-size: 1em;
  color: var(--dim);
  line-height: 1.5;
}

#about a {
  color: var(--fg);
}

/* --- bottom nav --- */
#appnav {
  display: flex;
  border-top: 1px solid var(--line);
  /* rezerva pro home indikátor zmenšená o 12px — ikony blíž ke spodnímu okraji;
     ladí se číslem 12px (víc = níž), první řádek je fallback pro starší prohlížeče */
  padding-bottom: env(safe-area-inset-bottom);
  padding-bottom: max(calc(env(safe-area-inset-bottom) - 12px), 0px);
}

.navbtn {
  flex: 1;
  background: none;
  border: none;
  padding: 6px 0;
  color: var(--dim);
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbtn svg {
  width: 26px;
  height: 26px;
  display: block;
}

.navbtn.active {
  color: var(--fg);
}

.navbtn.offline {
  color: var(--line);
  pointer-events: none;
}