:root {
  --bg: #0b0d10;
  --surface: #161a20;
  --surface-2: #20262e;
  --text: #f2f4f7;
  --muted: #a9b2bd;
  --accent: #ffc94d;
  --accent-text: #1a1300;
  --danger: #ff7a6b;
  --ok: #7fe0a0;
  --border: #39424d;
  --hist-luma: rgba(242, 244, 247, 0.55);
  --radius: 12px;
  --touch: 44px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: calc(env(safe-area-inset-top) + 8px) 16px 8px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.topbar h1 {
  flex: 1;
  margin: 0;
  font-size: 1.2rem;
}

.back {
  color: var(--accent);
  min-height: var(--touch);
  display: inline-flex;
  align-items: center;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 16px 16px calc(env(safe-area-inset-bottom) + 32px);
}

section {
  margin-top: 28px;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

h2 { font-size: 1.15rem; margin: 16px 0 8px; }
h3 { font-size: 1rem; margin: 20px 0 6px; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch);
  min-width: var(--touch);
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.9rem;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn:focus-visible,
select:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 12px 0;
}

select {
  min-height: var(--touch);
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.checks label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: var(--touch);
}

.checks input {
  width: 24px;
  height: 24px;
  accent-color: var(--accent);
}

.notice {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.notice-error {
  border-color: var(--danger);
  color: var(--text);
}

.notice-error::before {
  content: "⚠︎ ";
  color: var(--danger);
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
}

.warn { color: var(--danger); }

.kv {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 16px;
  margin: 0;
}

.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }
.kv dd.yes { color: var(--ok); }
.kv dd.no { color: var(--danger); }

.video-wrap {
  position: relative;
  scroll-margin-top: 72px;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.live {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.7);
  font: 0.8rem/1.3 ui-monospace, Menlo, monospace;
}

.live:empty { display: none; }

.test-prompt {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  margin: 0;
  padding: 14px;
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.8);
  border: 2px solid var(--border);
  font-size: 1.2rem;
  font-weight: 700;
  text-align: center;
}

.test-prompt.urgent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}

.results {
  padding-left: 1.2em;
}

.results li { margin: 8px 0; }
.results p { margin: 4px 0; }

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table.caps {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.85rem;
}

table.caps th,
table.caps td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  word-break: break-word;
}

table.caps thead th { color: var(--muted); }
table.caps td { font-family: ui-monospace, Menlo, monospace; }

.report {
  width: 100%;
  min-height: 240px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: 0.8rem/1.35 ui-monospace, Menlo, monospace;
}

/* ---------- Mess-Bildschirm ---------- */

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

.measure {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 16px 0;
}

.viewfinder {
  --ar: 0.75;
  --spot-d: 0.12;
  position: relative;
  width: min(100%, calc(52svh * var(--ar)));
  aspect-ratio: var(--ar);
  margin: 0 auto;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: crosshair;
  touch-action: manipulation;
  container-type: size;
}

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

.viewfinder video,
.viewfinder .overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.viewfinder video { object-fit: fill; }

.viewfinder .overlay {
  image-rendering: pixelated;
  pointer-events: none;
}

.spot-marker {
  position: absolute;
  width: calc(var(--spot-d) * min(100cqw, 100cqh));
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 1px #000, inset 0 0 0 1px #000;
  pointer-events: none;
}


.vf-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 16px;
  text-align: center;
  color: var(--muted);
}

.measure-view .hint { text-align: center; margin: 6px 0; }

.readouts {
  margin-top: 8px;
  border-top: 0;
}

.meter {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
  margin: 0;
}

.meter-item {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.meter-item dt {
  color: var(--muted);
  font-size: 0.8rem;
}

.meter-item dd {
  margin: 2px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 8px;
}

.meter-item .value {
  font: 600 1.15rem/1.3 ui-monospace, Menlo, monospace;
  font-variant-numeric: tabular-nums;
}

.meter-ev { grid-column: 1 / -1; }
.meter-item .value-note { font: 0.95rem/1.35 inherit; font-family: inherit; font-weight: 400; color: var(--muted); }
.meter-ev .value { font-size: 1.5rem; }
.meter-item dd.warn .value { color: var(--danger); }

.origin {
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
}

.origin-measured { color: var(--ok); }
.origin-calibrated { color: var(--accent); }

.histogram-wrap { margin: 12px 0 0; }

.histogram {
  display: block;
  width: 100%;
  height: 90px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.histogram-wrap figcaption { margin-top: 4px; }

.strategy { margin: 12px 0; font-size: 0.9rem; }

.more { margin: 8px 0 16px; }
.more summary { min-height: var(--touch); display: flex; align-items: center; cursor: pointer; color: var(--accent); }

input[type="number"] {
  min-height: var(--touch);
  max-width: 10em;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

/* Bedienleiste unten, mit dem Daumen erreichbar */
.controlbar {
  position: sticky;
  bottom: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 -16px;
  padding: 10px 16px calc(env(safe-area-inset-bottom) + 10px);
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.controlbar .btn { flex: 1 1 auto; }
.controlbar select { flex: 1 1 100%; }
.btn[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.btn[aria-pressed="true"]::before { content: "✓ "; }

@media (orientation: landscape) and (min-width: 700px) {
  .measure {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(280px, 2fr);
    gap: 0 20px;
    align-items: start;
  }
  .measure > .notice { grid-column: 1 / -1; }
  .viewfinder { width: min(100%, calc(70svh * var(--ar))); }
  .controlbar { grid-column: 1 / -1; }
}

/* ---------- Navigation, Profile, Onboarding, Dialoge ---------- */

.topnav { display: flex; gap: 8px; }
.topnav a[aria-current] { border-color: var(--accent); color: var(--accent); }

.btn-danger { border-color: var(--danger); color: var(--danger); background: var(--surface); }

.page section:first-of-type { margin-top: 12px; }

.status-line:empty { display: none; }

.items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.item {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.item.active { border-color: var(--accent); }
.item p { margin: 4px 0; }

.item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
}

.item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.badge {
  font-size: 0.75rem;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
}

.badge-ok { border-color: var(--ok); color: var(--ok); }
.badge-warn { border-color: var(--accent); color: var(--accent); }

fieldset.group {
  margin: 16px 0;
  padding: 8px 14px 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

fieldset.group legend { padding: 0 6px; font-weight: 600; }
fieldset.field { border: 0; padding: 0; }
fieldset.field legend { padding: 0; margin-bottom: 4px; }

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0 12px;
}

.field input[type="text"],
.field input[type="number"],
.field select {
  width: 100%;
  max-width: none;
  min-height: var(--touch);
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.field [aria-invalid="true"] { border-color: var(--danger); }
.field-error { margin: 0; color: var(--danger); font-size: 0.9rem; }
.field-error::before { content: "⚠︎ "; }
.field .hint { margin: 0; }

.field-check label,
.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: var(--touch);
}

.field-check input,
.check-row input {
  width: 24px;
  height: 24px;
  flex: none;
  accent-color: var(--accent);
}

.choice-list { display: grid; gap: 2px; }

/* Datei-Auswahl als Knopf; das Eingabefeld bleibt für Tastatur und VoiceOver erreichbar */
.file-btn { position: relative; overflow: hidden; }
.file-btn input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.file-btn:focus-within { outline: 3px solid var(--accent); outline-offset: 2px; }

.equipment {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.equipment select { flex: 1 1 140px; min-width: 0; }
#eq-focal { flex: 0 1 110px; }

.ev-source { margin: 2px 0 0; }
.ev-source:empty { display: none; }

.dialog {
  width: min(560px, calc(100vw - 24px));
  max-height: calc(100svh - 24px);
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
}

.dialog-wide { width: min(720px, calc(100vw - 24px)); }
.dialog::backdrop { background: rgba(0, 0, 0, 0.7); }
.dialog h2 { margin-top: 0; }

.dialog-actions {
  position: sticky;
  bottom: -16px;
  margin: 16px -16px -16px;
  padding: 12px 16px calc(env(safe-area-inset-bottom) + 12px);
  background: var(--bg);
  border-top: 1px solid var(--border);
  justify-content: flex-end;
}

.cal-result {
  font: 600 1.3rem/1.3 ui-monospace, Menlo, monospace;
  margin: 12px 0 4px;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}

.scene-btn {
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: 2px;
}

.scene-btn .scene-ev { font: 0.85rem ui-monospace, Menlo, monospace; color: var(--muted); }
.scene-btn.active { border-color: var(--accent); }

/* ---------- Vorschlag ---------- */

.suggestion {
  margin: 4px 0 12px;
  padding: 10px 12px 4px;
  border: 1px solid var(--accent);
  border-top: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface);
}

.sg-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.sg-head h2 { margin: 0; flex: 0 0 auto; }
.sg-head select { flex: 1 1 160px; min-width: 0; }
#fps-select { flex: 0 1 100px; }

/* Werte wie auf dem Kamera-Display */
.lcd {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  margin: 12px 0 8px;
}

.lcd-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 6px 2px;
  border-radius: 8px;
  background: #000;
  text-align: center;
}

.lcd-label { font-size: 0.7rem; color: var(--muted); }

.lcd-value {
  font: 700 clamp(1rem, 4.6vw, 1.5rem)/1.2 ui-monospace, Menlo, monospace;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  white-space: nowrap;
}

.lcd-sub { font-size: 0.65rem; color: var(--muted); line-height: 1.2; }

.sg-basis { margin: 4px 0; font-size: 0.9rem; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
  padding: 0;
  list-style: none;
}

.chip {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
}

.chip-warn { border-color: var(--accent); color: var(--accent); }

.sg-warnings {
  margin: 8px 0;
  padding: 0;
  list-style: none;
  color: var(--danger);
  font-size: 0.9rem;
}

.sg-warnings li { margin: 4px 0; }
.sg-alt { margin: 6px 0; font-size: 0.9rem; }
.sg-sub { margin: 12px 0 4px; font-size: 0.95rem; }
.wb p { margin: 2px 0; }
.wb-main { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; }
.wb-main .value { font-weight: 600; }
.why-list { padding-left: 1.2em; margin: 4px 0; }
.why-list li { margin: 6px 0; }

/* ---------- Rotlicht-Nachtmodus ---------- */
/* Nur gedämpfte Rottöne: schont die Dunkeladaption. Status bleibt über Symbole und Text erkennbar. */
:root[data-theme="night"] {
  --bg: #000;
  --surface: #120000;
  --surface-2: #1c0000;
  --text: #e0352b;
  --muted: #a3241d;
  --accent: #ff4a3d;
  --accent-text: #000;
  --danger: #ff6a5e;
  --ok: #d0352b;
  --border: #4d0c08;
  --hist-luma: rgba(224, 53, 43, 0.6);
}

/* Kamerabild, Overlay und Histogramm in Rot statt in Farbe */
:root[data-theme="night"] .viewfinder video,
:root[data-theme="night"] .viewfinder canvas,
:root[data-theme="night"] .histogram {
  filter: grayscale(1) sepia(1) hue-rotate(-50deg) saturate(6) brightness(0.45);
}

:root[data-theme="night"] .lcd-cell { background: #0a0000; }

/* ---------- Kopfleiste, Update-Hinweis, Hilfe ---------- */

.topbar { flex-wrap: wrap; }
.topbar h1 { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#night-toggle, #lang-toggle { min-width: var(--touch); }

/* Auf schmalen Displays den App-Namen ausblenden, damit die Navigation in eine Zeile passt */
@media (max-width: 520px) {
  .topbar h1 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .topnav { flex: 1; }
  .topnav .btn { padding-left: 10px; padding-right: 10px; }
}

.update-banner {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(env(safe-area-inset-bottom) + 12px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface-2);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
}

.help h3 { margin-top: 20px; }
.help-list { padding-left: 1.3em; }
.help-list li { margin: 6px 0; }

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