:root {
  color-scheme: light;
  --paper: #ede6da;
  --ink: #1c1915;
  --copper: #b85c38;
  --forest: #1e3a32;
  --card: #f7f3ec;
  --line: #d9d0c2;
  --gold: #a6843d;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html.booting body { opacity: 0; }

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(28, 25, 21, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 25, 21, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

body.has-bar { padding-bottom: 5.5rem; }

@media (min-width: 1024px) {
  body.has-bar { padding-bottom: 0; }
}

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

.hidden { display: none !important; }

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

#file {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  font-size: 16px;
}

.hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}

.num { font-variant-numeric: tabular-nums; }

.band-chip[aria-pressed="true"] {
  background: var(--forest);
  color: var(--card);
  border-color: var(--forest);
}

.seg {
  display: inline-flex;
  border: 1px solid var(--ink);
  background: transparent;
}

.seg button {
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
}

.seg button + button { border-left: 1px solid var(--ink); }

.seg button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--card);
}

#dropzone.is-over {
  background: #fff;
  border-color: var(--copper);
}

.tier {
  text-align: left;
  border: 1px solid var(--line);
  background: transparent;
  color: inherit;
  padding: 0.85rem 0.9rem;
  cursor: pointer;
  font: inherit;
}

.tier[aria-checked="true"] {
  background: var(--forest);
  border-color: var(--forest);
  color: var(--card);
}

.tier[aria-checked="true"] .muted { color: rgba(247, 243, 236, 0.72); }

#meter {
  height: 6px;
  background: var(--line);
  margin-top: 0.45rem;
}

#meter span {
  display: block;
  height: 100%;
  background: var(--copper);
}

#meter[data-condition="fair"] span { background: var(--gold); }
#meter[data-condition="good"] span { background: var(--forest); }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--ink);
  margin: 1rem 0 0.4rem;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--copper);
  border: 2px solid var(--card);
  box-shadow: 0 0 0 1px var(--copper);
  cursor: pointer;
}

.indeterminate {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--copper), transparent);
  background-size: 40% 100%;
  background-repeat: no-repeat;
  animation: slide 1.1s ease-in-out infinite;
}

@keyframes slide {
  from { background-position: -40% 0; }
  to { background-position: 140% 0; }
}

#banner:not(.hidden) {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  align-items: center;
  justify-content: space-between;
  border-left: 3px solid var(--copper);
  background: var(--card);
  padding: 0.9rem 1rem;
}

.field-error { min-height: 1.1rem; color: var(--copper); font-size: 0.82rem; }

.is-hidden { display: none !important; }

.print-only { display: none; }

.sev {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sev-high { color: var(--copper); }
.sev-medium { color: var(--gold); }
.sev-low { color: var(--forest); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .indeterminate { animation: none; }
}

@media print {
  .no-print,
  header,
  #rechner,
  #banner,
  #ablauf,
  #betriebe,
  footer,
  #mobile-bar { display: none !important; }

  body { background: white; padding: 0; }
  .print-only { display: block; }
  #studio, #result { display: block !important; }
}