/* Instrument layout: full-height single screen, content area + bottom tab bar. Tape-measure yellow on graphite. */
:root {
  --bg: #121317;
  --surface: #1c1e24;
  --surface-2: #262932;
  --line: #343844;
  --fg: #eef0f4;
  --muted: #9aa0ad;
  --accent: #f5b82e;
  --accent-ink: #1a1405;
  --ok: #4fd48a;
  --danger: #ff6b5e;
  --font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --font-num: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  --tab-h: 62px;
  color-scheme: dark;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.4 var(--font-ui);
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
}
input, select { -webkit-user-select: text; user-select: text; }
[hidden] { display: none !important; }

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding-top: env(safe-area-inset-top, 0px);
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px 8px;
}
.top h1 { font-size: 22px; margin: 0; letter-spacing: -0.01em; }

main { flex: 1; min-height: 0; position: relative; }
.screen { position: absolute; inset: 0; display: flex; flex-direction: column; overflow: hidden; }

/* Buttons */
.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--fg);
  font: 600 15px var(--font-ui);
  border-radius: 12px;
  padding: 12px 16px;
  cursor: pointer;
  text-align: center;
}
.btn:active { transform: scale(0.98); }
.btn:focus-visible, .tab:focus-visible, .chip:focus-visible, .tool:focus-visible, .seg-b:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 9px 12px; font-size: 14px; border-radius: 10px; }
.btn.big { flex: 1 1 100%; padding: 14px; font-size: 16px; }
.chip {
  border: 1px solid var(--line); background: var(--surface); color: var(--accent);
  font: 600 14px var(--font-num); border-radius: 999px; padding: 6px 12px;
}
.file-btn { position: relative; display: block; width: 100%; max-width: 320px; }
.file-btn input { position: absolute; inset: 0; opacity: 0; width: 100%; cursor: pointer; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.note { color: var(--muted); font-size: 13px; margin: 0; }

.panel {
  padding: 14px 16px 16px;
  background: var(--surface);
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Tabs */
.tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.tab {
  appearance: none; border: 0; background: none; color: var(--muted);
  font: 500 11px var(--font-ui);
  height: var(--tab-h);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
}
.tab svg { width: 26px; height: 26px; }
.tab.active { color: var(--accent); }

/* Photo */
.photo-empty {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; padding: 16px; text-align: center;
}
.photo-empty h2 { margin: 4px 0 0; font-size: 20px; text-wrap: balance; }
.photo-empty p { margin: 0 0 8px; color: var(--muted); max-width: 34ch; }
.photo-empty b { color: var(--fg); font-weight: 600; }
.empty-art { color: var(--muted); width: 150px; }

.photo-work { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.canvas-wrap { flex: 1; min-height: 0; position: relative; background: #000; touch-action: none; overflow: hidden; }
#photoCanvas { width: 100%; height: 100%; display: block; }
#loupe {
  position: absolute; top: 10px; left: 10px; width: 120px; height: 120px;
  border-radius: 50%; border: 2px solid var(--accent); background: #000;
  pointer-events: none; box-shadow: 0 6px 20px rgba(0,0,0,.5);
}
#loupe.right { left: auto; right: 10px; }
.photo-bar {
  padding: 10px 16px 12px; background: var(--surface); border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 10px; max-height: 46%; overflow-y: auto;
}
.step { font-weight: 600; color: var(--accent); font-size: 14px; }
.ref-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
select, input[type=text], input[type=number] {
  font: 15px var(--font-ui); color: var(--fg); background: var(--surface-2);
  border: 1px solid var(--line); border-radius: 10px; padding: 9px 10px; min-width: 0;
}
select { flex: 1 1 220px; }
.custom { display: flex; gap: 6px; align-items: center; }
.custom input { width: 86px; }
.tools { display: flex; gap: 6px; }
.tool {
  flex: 1; border: 1px solid var(--line); background: var(--surface-2); color: var(--muted);
  font: 600 14px var(--font-ui); border-radius: 10px; padding: 8px;
}
.tool.active { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.results { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.results li {
  display: flex; justify-content: space-between; gap: 10px;
  font: 14px var(--font-num); font-variant-numeric: tabular-nums;
  padding: 6px 10px; border-radius: 8px; background: var(--surface-2);
}
.results li span:first-child { color: var(--muted); font-family: var(--font-ui); }
.results li.precision { background: none; color: var(--muted); font: 12px var(--font-ui); padding: 0 2px; }

/* Height camera */
.cam { flex: 1; min-height: 0; position: relative; background: #000; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.cam video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.crosshair { position: absolute; inset: 0; pointer-events: none; }
.crosshair::before, .crosshair::after { content: ""; position: absolute; background: var(--accent); }
.crosshair::before { left: 0; right: 0; top: 50%; height: 1px; opacity: .55; }
.crosshair::after { top: 0; bottom: 0; left: 50%; width: 1px; opacity: .3; }
.crosshair span {
  position: absolute; left: 50%; top: 50%; width: 34px; height: 34px; margin: -17px 0 0 -17px;
  border: 2px solid var(--accent); border-radius: 50%;
}
.cam-hud {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 12px 16px;
  display: flex; justify-content: space-between; align-items: flex-end;
  background: linear-gradient(transparent, rgba(0,0,0,.7));
}
.hud-angle { font: 600 30px var(--font-num); font-variant-numeric: tabular-nums; color: #fff; }
.hud-hint { color: #fff; font-weight: 600; text-align: right; max-width: 60%; }
#camStart { position: relative; z-index: 2; }
.field-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.field-row label { color: var(--muted); }
.field-row small { opacity: .8; }
.num-input { display: flex; align-items: center; gap: 6px; }
.num-input input { width: 96px; text-align: right; font-family: var(--font-num); }
.num-input span { color: var(--muted); }
.readouts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.readouts div { background: var(--surface-2); border-radius: 12px; padding: 10px 12px; }
.readouts small { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.readouts b { font: 600 24px var(--font-num); font-variant-numeric: tabular-nums; }

/* Level */
.level { flex: 1; min-height: 0; position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; overflow: hidden; transition: background .2s; }
.level.is-level { background: #17291f; }
.level-surface { position: relative; width: min(64vw, 38vh, 300px); aspect-ratio: 1; max-width: 100%; }
.ring { position: absolute; border-radius: 50%; border: 1px solid var(--line); inset: 0; }
.ring.r2 { inset: 25%; }
.ring.r3 { inset: 44%; border-color: var(--accent); }
.bubble {
  position: absolute; left: 50%; top: 50%; width: 22%; height: 22%; border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at 35% 35%, #fff6d8, var(--accent) 60%);
  box-shadow: 0 0 24px rgba(245,184,46,.5);
}
.is-level .bubble { background: radial-gradient(circle at 35% 35%, #e9fff2, var(--ok) 60%); }
.level-edge { position: absolute; inset: 0; pointer-events: none; }
.horizon {
  position: absolute; left: -50%; right: -50%; top: 50%; height: 50%;
  background: rgba(245,184,46,.22);
  border-top: 2px solid var(--accent);
  transform-origin: 50% 0;
}
.is-level .horizon { border-top-color: var(--ok); background: rgba(79,212,138,.2); }
.level-read { text-align: center; position: relative; }
.big-num { font: 600 56px/1 var(--font-num); font-variant-numeric: tabular-nums; letter-spacing: -0.03em; }
.sub-num { color: var(--muted); font: 15px var(--font-num); margin-top: 6px; }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--surface-2); border-radius: 10px; padding: 3px; }
.seg-b { border: 0; background: none; color: var(--muted); font: 600 14px var(--font-ui); padding: 8px; border-radius: 8px; }
.seg-b.active { background: var(--line); color: var(--fg); }
.btn.on { border-color: var(--accent); color: var(--accent); }

/* Ruler */
.ruler { flex: 1; min-height: 0; position: relative; background: #f2e8c9; overflow: hidden; touch-action: none; }
#rulerCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.cursor { position: absolute; left: 0; right: 0; height: 44px; margin-top: -22px; touch-action: none; }
.cursor span { position: absolute; left: 0; right: 0; top: 50%; height: 2px; background: #d2301f; }
.cursor::after {
  content: ""; position: absolute; right: 12px; top: 50%; width: 26px; height: 26px; margin-top: -13px;
  border-radius: 50%; background: #d2301f; box-shadow: 0 2px 6px rgba(0,0,0,.3);
}
.ruler-read {
  position: absolute; right: 50px; top: 50%; transform: translateY(-50%);
  background: rgba(18,19,23,.9); color: #fff; border-radius: 12px; padding: 8px 12px; text-align: right;
}
.ruler-read b { display: block; font: 600 26px var(--font-num); font-variant-numeric: tabular-nums; }
.ruler-read small { color: #b9bdc7; font-size: 11px; }
.calib { display: flex; flex-direction: column; gap: 10px; }
.calib p { margin: 0; color: var(--muted); font-size: 14px; }
.calib input { width: 100%; accent-color: var(--accent); }

/* History */
.hist-head { display: flex; gap: 8px; padding: 4px 16px 10px; flex-wrap: wrap; }
.hist { list-style: none; margin: 0; padding: 0 16px 16px; overflow-y: auto; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.hist li { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 12px; display: flex; gap: 12px; align-items: flex-start; }
.hist img { width: 64px; height: 64px; object-fit: cover; border-radius: 8px; flex: none; }
.hist .h-body { flex: 1; min-width: 0; }
.hist .h-kind { color: var(--accent); font-size: 12px; text-transform: uppercase; letter-spacing: .07em; font-weight: 600; }
.hist .h-val { font: 600 17px var(--font-num); font-variant-numeric: tabular-nums; word-break: break-word; white-space: pre-line; }
.hist .h-meta { color: var(--muted); font-size: 13px; }
.hist .h-del { border: 0; background: none; color: var(--muted); font-size: 20px; padding: 0 4px; }
.hist-empty { padding: 32px 16px; text-align: center; color: var(--muted); }

/* Toast + sheet */
.toast {
  position: fixed; left: 50%; bottom: calc(var(--tab-h) + 16px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%); background: var(--fg); color: var(--bg);
  padding: 10px 16px; border-radius: 999px; font-weight: 600; z-index: 30; max-width: calc(100% - 32px); text-align: center;
}
.sheet { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: flex-end; z-index: 20; }
.sheet-card {
  width: 100%; background: var(--surface); border-radius: 18px 18px 0 0; padding: 18px 16px calc(18px + env(safe-area-inset-bottom, 0px));
  display: flex; flex-direction: column; gap: 12px;
}
.sheet-card h3 { margin: 0; }
.sheet-value { margin: 0; font: 600 20px var(--font-num); white-space: pre-line; }
.sheet-card .actions { justify-content: flex-end; }

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

/* --- Précision, terrain, plan --- */
.tabs { grid-template-columns: repeat(6, 1fr); }
.tab { font-size: 10.5px; }
.tab svg { width: 24px; height: 24px; }
.top { gap: 10px; }
.top h1 { flex: 1; min-width: 0; }
.seg.mini { grid-template-columns: 1fr 1fr; padding: 2px; }
.seg.mini .seg-b { padding: 5px 10px; font-size: 13px; }
.tips { list-style: none; margin: 8px 0 0; padding: 0; max-width: 36ch; display: flex; flex-direction: column; gap: 6px; text-align: left; }
.tips li { color: var(--muted); font-size: 13px; padding-left: 16px; position: relative; }
.tips li::before { content: ""; position: absolute; left: 2px; top: 7px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.results li b { font-weight: 600; }
.results li small { color: var(--muted); font-size: 12px; }
.results li > span:last-child { text-align: right; }
.tol { display: block; color: var(--muted); font: 12px var(--font-num); min-height: 1em; }
.stable { font: 600 13px var(--font-ui); color: var(--muted); }
.stable.ok { color: var(--ok); }
.cam-top {
  position: absolute; top: 0; left: 0; right: 0; padding: 10px 16px; display: flex; justify-content: space-between; gap: 8px;
  background: linear-gradient(rgba(0,0,0,.6), transparent); color: #fff; pointer-events: none;
}
.cam-top .stable { color: #ddd; }
.cam-top .stable.ok { color: var(--ok); }
.cam-top .floor { font: 600 14px var(--font-num); }
.level-read .stable { margin-top: 6px; }
.mono { font-family: var(--font-num); }

.map-wrap { flex: 1; min-height: 0; position: relative; background: var(--surface-2); }
.map-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
.map-msg { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center; padding: 16px; color: var(--muted); }
.gps-chip {
  position: absolute; top: 10px; right: 10px; z-index: 500; background: rgba(18,19,23,.9); color: var(--fg);
  border-radius: 999px; padding: 6px 12px; font: 600 13px var(--font-num);
}
.gps-chip.ok { color: var(--ok); }
.vtx { width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--accent); background: rgba(0,0,0,.35); box-shadow: 0 1px 4px rgba(0,0,0,.5); }
.vtx.gps { border-color: #2f8cff; }
#s-terrain .panel { max-height: 50%; overflow-y: auto; }
#s-height .panel { max-height: 58%; overflow-y: auto; }

.plan-scroll { flex: 1; overflow-y: auto; padding: 4px 16px 20px; display: flex; flex-direction: column; gap: 12px; }
.plan-name { width: 100%; font-size: 17px !important; font-weight: 600; }
.pieces { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.piece { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.piece.minus { border-color: #7a3a36; }
.piece-head { display: flex; align-items: center; gap: 8px; }
.piece-head input { flex: 1; min-width: 0; }
.piece-head b { font: 600 15px var(--font-num); white-space: nowrap; }
.piece-fields { display: flex; flex-wrap: wrap; gap: 8px; }
.piece-fields label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); flex: 1 1 90px; min-width: 0; }
.piece-fields input { width: 100%; font-family: var(--font-num); }
.piece-opts { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.piece-opts .btn { padding: 6px 10px; font-size: 13px; }
.add-row { display: flex; gap: 8px; }
.add-row select { flex: 1; }
.plan-totals { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 12px; display: flex; flex-direction: column; gap: 12px; }
.cap-title { margin: 4px 0 0; font-size: 15px; }
.cap { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.cap li { display: flex; justify-content: space-between; gap: 10px; padding: 7px 10px; border-radius: 8px; background: var(--surface-2); font-size: 14px; }
.cap li b { font: 600 14px var(--font-num); white-space: nowrap; }
.cap li small { color: var(--muted); }

.map-msg { z-index: 2; background: rgba(18,19,23,.75); }
.map-btns { position: absolute; right: 10px; top: 50px; z-index: 3; display: flex; flex-direction: column; gap: 6px; }
.map-btn {
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); background: rgba(18,19,23,.88);
  color: var(--fg); font: 600 22px/1 var(--font-ui); display: flex; align-items: center; justify-content: center; padding: 0;
}
.map-btn svg { width: 22px; height: 22px; }
.map-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.gps-chip { z-index: 3; }
.results li { align-items: center; }
.row-del { border: 0; background: none; color: var(--muted); font-size: 18px; padding: 0 2px 0 6px; line-height: 1; }
.sketch { width: 100%; height: 170px; background: var(--surface-2); border-radius: 12px; display: block; }

/* Boutons de carte à gauche (ne gênent ni la position GPS ni l'attribution) */
.map-btns { left: 10px; right: auto; top: 10px; }
.actions.row-scroll { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; margin-inline: -16px; padding-inline: 16px; }
.actions.row-scroll::-webkit-scrollbar { display: none; }
.actions.row-scroll .btn { flex: none; white-space: nowrap; }

/* Petits écrans (iPhone SE, mini) : interface plus compacte, plus de place pour la caméra et la carte */
@media (max-height: 740px) {
  .top { padding: 6px 16px 4px; }
  .top h1 { font-size: 19px; }
  .panel { padding: 10px 16px 12px; gap: 8px; }
  .btn.small { padding: 7px 10px; font-size: 13px; }
  .btn.big { padding: 11px; }
  .readouts div { padding: 7px 10px; }
  .readouts b { font-size: 20px; }
  .field-row label { font-size: 14px; }
  .num-input input { padding: 7px 8px; }
  .seg-b { padding: 6px; font-size: 13px; }
  .tab { height: 54px; }
  .level { gap: 10px; }
  .level-surface { width: min(56vw, 30vh, 300px); }
  .big-num { font-size: 44px; }
  .sketch { height: 130px; }
  #s-height .panel { max-height: 62%; }
  .map-btn { width: 36px; height: 36px; font-size: 20px; }
}
.panel > *, .photo-bar > *, .plan-scroll > * { flex-shrink: 0; }

@supports (background: color-mix(in srgb, red 50%, blue)) {
  .level.is-level { background: color-mix(in srgb, var(--ok) 16%, var(--bg)); }
  .piece.minus { border-color: color-mix(in srgb, var(--danger) 50%, var(--line)); }
}
input.invalid { border-color: var(--danger) !important; }
.ruler-read small.warn { color: #ffb38a; }
.install-note { margin: 0 16px 10px; padding: 10px 12px; border-radius: 12px; background: #2a2414; border: 1px solid #5a4a1c; color: var(--fg); font-size: 13px; line-height: 1.45; }
.file-btn.inline { display: inline-block; width: auto; max-width: none; }

/* Encoche en paysage */
#app { padding-left: env(safe-area-inset-left, 0px); padding-right: env(safe-area-inset-right, 0px); }

/* Paysage sur téléphone (iOS ne bloque pas l'orientation) : visuel à gauche, commandes à droite */
@media (orientation: landscape) and (max-height: 520px) {
  .screen#s-height, .screen#s-level, .screen#s-terrain, .screen#s-ruler { flex-direction: row; }
  #s-height .panel, #s-level .panel, #s-terrain .panel, #s-ruler .panel {
    width: 46%; max-height: none; overflow-y: auto; border-top: 0; border-left: 1px solid var(--line);
  }
  .cam, .map-wrap, .level, .ruler { flex: 1; }
  .level-surface { width: min(38vw, 62vh, 300px); }
  .big-num { font-size: 40px; }
  .tab { height: 46px; }
  .tab svg { width: 20px; height: 20px; }
  .top { padding-block: 4px; }
}
/* Très petits écrans (iPhone SE 1re génération) */
@media (max-width: 340px) {
  .tab { font-size: 9.5px; }
  .btn.small { padding: 6px 8px; font-size: 12.5px; }
  .big-num { font-size: 38px; }
}