/* Apfelblüte — herbarium sheet. Mobile-first, light, quiet around the flower. */

:root {
  --paper: #FDFDFA;
  --ink: #22301F;
  --ink-soft: #6A755F;
  --hairline: #E3E1D4;
  --focus: #2F5D33;
  --display: "Fraunces", Georgia, serif;
  --ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  overscroll-behavior: none;
}

body {
  font-family: var(--ui);
  background: var(--paper);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

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

/* Specimen label — the signature. */
.label {
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  left: 18px;
  right: 18px;
  z-index: 2;
  pointer-events: none;
}
.kicker {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
#binomial {
  font-family: var(--display);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(24px, 6.5vw, 34px);
  line-height: 1.15;
  margin-top: 2px;
}
#binomial em { font-style: normal; font-size: 0.55em; color: var(--ink-soft); }
.meta {
  font-size: 11px;
  color: var(--ink-soft);
  margin-top: 3px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--hairline);
  font-variant-numeric: tabular-nums;
}

/* The flower fills everything. */
#stage {
  flex: 1;
  width: 100%;
  min-height: 0;
  touch-action: manipulation;
}

/* The lab — bottom card. */
.lab {
  border-top: 1px solid var(--hairline);
  background: rgb(253 253 250 / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 10px 14px calc(12px + env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.strand-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.strand {
  flex: 1;
  min-width: 0;
  display: flex;
  gap: 5px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 3px 1px;
  min-height: 36px;
}
.strand::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 9px;
  background: var(--c);
  color: #fff;
  font: 700 13px var(--ui);
  cursor: pointer;
  transition: transform 0.12s ease;
}
.chip:active { transform: scale(0.82); }
.count {
  font-size: 11px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.bases-row { display: flex; gap: 8px; min-width: 0; }
.bases {
  flex: 1;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.base {
  min-width: 0;
  min-height: 58px;
  border: none;
  border-radius: 16px;
  background: var(--c);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  gap: 1px;
  padding: 8px 2px;
  transition: transform 0.12s ease, filter 0.12s ease;
}
.base:active { transform: scale(0.93); filter: brightness(1.08); }
.base-letter { font: 600 20px var(--display); }
.base-name { font-size: 10px; opacity: 0.9; letter-spacing: 0.04em; }
.surprise {
  flex: 0 0 68px;
  background: var(--ink);
}
.surprise .base-letter { font-size: 17px; }

.tools { display: flex; gap: 8px; }
#name {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 10px 12px;
  font: 14px var(--ui);
  background: #fff;
  color: var(--ink);
}
#name::placeholder { color: var(--ink-soft); }
.tools { min-width: 0; }
.ghost {
  border: 1px solid var(--hairline);
  background: #fff;
  color: var(--ink);
  border-radius: 12px;
  padding: 10px 11px;
  font: 13px var(--ui);
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.12s ease;
}
.ghost:active { transform: scale(0.95); }
.ghost.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }

#toast {
  position: fixed;
  left: 50%;
  bottom: calc(190px + env(safe-area-inset-bottom));
  transform: translate(-50%, 8px);
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  padding: 9px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  max-width: 86vw;
  text-align: center;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Wider screens: the lab becomes a floating card. */
@media (min-width: 720px) {
  .lab {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    width: min(560px, 92vw);
    border: 1px solid var(--hairline);
    border-radius: 22px;
    box-shadow: 0 12px 40px rgb(34 48 31 / 0.08);
  }
  #stage { flex: none; position: fixed; inset: 0; height: 100%; }
  .label { left: 28px; top: 24px; right: auto; }
}

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