:root {
  --bg: #faf6ef;
  --card-bg: #ffffff;
  --ink: #2b2620;
  --muted: #8a8378;
  --accent: #2e7d32;
  --accent-dark: #1b5e20;
  --border: #e5ddce;
  --danger: #b3261e;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  padding: max(16px, env(safe-area-inset-top)) 16px
           max(48px, env(safe-area-inset-bottom));
  overscroll-behavior-y: none;
}

h1 { font-size: 1.4rem; margin: 8px 0 20px; text-align: center; }
h2 { font-size: 1.1rem; margin: 28px 0 12px; color: var(--accent-dark); }

/* An element's own display rule would otherwise beat the hidden attribute —
   .screen sets display:flex, which kept the login screen on top of the app. */
[hidden] { display: none !important; }

.screen {
  max-width: 340px;
  margin: 15vh auto 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toolbar { max-width: 640px; margin: 0 auto 16px; }

.case-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 10px;
}
.case-buttons button { font-size: 0.85rem; padding: 7px 12px; }

.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.search { max-width: 640px; margin: 8px auto 0; }

button, select, input, textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--ink);
}
button { cursor: pointer; }
input, textarea { width: 100%; }

button.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
button.primary:hover { background: var(--accent-dark); }
button.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
button:disabled { opacity: 0.4; cursor: default; }

.cases { max-width: 640px; margin: 0 auto; }
.cases.single h2 { display: none; }
.cases.single section { margin-top: 16px; }

.case-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 0 0 10px;
}

.case-tags span {
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.case-head button {
  font-size: 0.8rem;
  padding: 4px 10px;
  color: var(--danger);
  border-color: transparent;
  background: none;
}

.row {
  display: grid;
  grid-template-columns: 40px 1fr 1fr 32px;
  align-items: center;
  gap: 10px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 8px;
}

.play-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  border: none;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.del-btn {
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  background: none;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1;
}
.del-btn:hover { color: var(--danger); }

.pt { font-weight: 600; }
.cs { color: var(--muted); }


.status, .hint {
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}
.error { font-size: 0.85rem; color: var(--danger); text-align: center; }

.editor {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
}
.editor h2 { margin-top: 0; color: var(--accent-dark); }

/* Výběr case: vlastní komponenta, protože nativní <select> se na iOS
   otevírá jako kolečko odspodu a nedá se ničím ovlivnit. */
.picker { position: relative; }

.picker-current {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  text-align: left;
  color: var(--ink);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}

.picker-current:hover { border-color: var(--accent); }

.picker-arrow {
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.2s;
}

.picker.open .picker-arrow { transform: rotate(-135deg) translate(-3px, -3px); }

.picker-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 30;
  margin: 0;
  padding: 6px;
  list-style: none;
  max-height: 52vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
  transform-origin: top center;
  animation: unfold 0.16s ease-out;
}

@keyframes unfold {
  from { opacity: 0; transform: scaleY(0.9) translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.picker-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
}

.picker-list li:hover, .picker-list li.cursor { background: var(--bg); }

.picker-list li.current {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.picker-list li .count {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.picker-list li.current .count { color: rgba(255, 255, 255, 0.75); }

.picker-list li.divider {
  margin-top: 4px;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding-top: 12px;
}

@media (prefers-reduced-motion: reduce) {
  .picker-list { animation: none; }
}

.chosen {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
}
.chosen button { font-size: 0.85rem; padding: 6px 11px; }

/* ------------------------------------------------------------- mapa tagů */

.map {
  position: relative;
  height: 300px;
  margin: 10px 0;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
  touch-action: manipulation;
}

.map svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }

.map-hint {
  position: absolute;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  margin: 0;
  width: 92%;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  pointer-events: none;
}

.node {
  position: absolute;
  transform: translate(-50%, -50%);
  padding: 7px 13px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--muted);
  font-family: inherit;
  font-size: 0.85rem;
  white-space: nowrap;
  cursor: pointer;
  transition: left 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              top 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              background 0.2s, color 0.2s, border-color 0.2s, opacity 0.3s;
  /* Bez tohohle vyvolá podržení v Safari kontextové menu a výběr textu. */
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

/* Návrh od modelu — odhad */
.node.guess { font-style: italic; }

/* Tag, který už spolu s tímhle v nějakém case byl — jistota, ne odhad */
.node.known {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
  color: var(--ink);
  border-color: var(--muted);
}

.node.picked {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-style: normal;
}

.node.live {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  font-size: 0.95rem;
  padding: 10px 17px;
  font-style: normal;
  box-shadow: 0 5px 16px rgba(0, 0, 0, 0.18);
}

.node.vanishing { opacity: 0; pointer-events: none; }

.node.holding::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 999px;
  border: 2.5px solid var(--accent-dark);
  animation: squeeze 0.5s linear forwards;
}

@keyframes squeeze {
  from { transform: scale(1.18); opacity: 0.15; }
  to { transform: scale(1); opacity: 1; }
}

/* Dotaz na Claude trvá vteřiny — musí být vidět, že se něco děje */
.node.live.thinking::before {
  content: '';
  position: absolute;
  inset: -7px;
  border-radius: 999px;
  border: 2.5px solid var(--accent);
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.map.loading .map-hint::after { content: ' hledám souvislosti…'; }

@media (prefers-reduced-motion: reduce) {
  .node { transition: opacity 0.2s; }
  .node.holding::after { animation: none; opacity: 1; }
  .node.live.thinking::before { animation: none; border-top-color: var(--border); }
}

.field {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 12px 0;
}
.field input, .field textarea { margin-top: 4px; }

.segmented {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}
.segmented button {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 4px;
  font-size: 0.9rem;
  color: var(--ink);
}
.segmented small { font-size: 0.7rem; opacity: 0.65; }
.segmented button.active small { opacity: 0.85; }

.editor-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

progress { width: 100%; margin: 8px 0; }

button.big {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  margin-bottom: 4px;
}

.passkey-offer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 10px 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--card-bg);
  border: 1px solid var(--accent);
  font-size: 0.9rem;
}
.passkey-offer span { flex: 1 1 100%; }