:root {
  --bg:          #EDEEF1;
  --surface:     #FFFFFF;
  --ink:         #0E1117;
  --muted:       #596172;
  --line:        #C8CDD8;
  --border:      #C8CDD8;
  --accent:      #1C3557;
  --accent-dark: #14293F;
  --ok:          #1D5C3A;
  --shadow:      0 2px 12px rgba(14,17,23,.07);
  --r:           3px;
  --font:        "Futura", "Century Gothic", "Trebuchet MS", Verdana, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 13.5px;
  line-height: 1.5;
}

button, input, select, textarea { font: inherit; letter-spacing: 0; }
button { cursor: pointer; }

/* ── AUTH ───────────────────────────────── */
.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}

body.auth-locked .app-shell  { display: none; }
body:not(.auth-locked) .auth-screen { display: none; }

.auth-card {
  width: min(100%, 380px);
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 28px;
}

.auth-card h1 {
  margin: 0 0 20px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.auth-card .button { width: 100%; margin-top: 14px; }

.auth-status { min-height: 22px; margin-top: 10px; font-size: 0.82rem; }
.auth-status.error { color: #9a2f22; }

/* ── TOPBAR ─────────────────────────────── */
.topbar {
  background: var(--accent);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  height: 52px;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.topbar-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
  margin-left: 24px;
  margin-right: 14px;
  flex-shrink: 0;
}

.topbar-sub {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.65);
}

.topbar-actions {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── BUTTONS ────────────────────────────── */
.button {
  display: inline-flex;
  align-items: center;
  height: 34px;
  border: 1px solid transparent;
  border-radius: var(--r);
  padding: 0 14px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-transform: uppercase;
  transition: background .12s, border-color .12s, opacity .12s;
}

.button:hover { opacity: .88; }

.button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(28,53,87,.35);
  outline-offset: 2px;
}

.button.primary {
  background: #fff;
  color: var(--accent);
}

.button.secondary {
  background: var(--ok);
  color: #fff;
}

.button.ghost {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.2);
  color: rgba(255,255,255,.85);
}

.button.compact {
  height: 28px;
  padding-inline: 10px;
  font-size: 0.72rem;
}

/* ── APP SHELL ──────────────────────────── */
.app-shell { padding: 20px 24px 32px; }

/* ── LAYOUT ─────────────────────────────── */
.layout {
  display: grid;
  grid-template-columns: minmax(290px, 340px) minmax(0, 1fr);
  gap: 16px;
  max-width: 1380px;
  margin: 20px auto 0;
  align-items: start;
}

/* ── PANEL BASE ─────────────────────────── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--shadow);
}

/* ── INFO PANEL ─────────────────────────── */
.info-panel { overflow: hidden; }


.info-panel::before {
  content: "Informations";
  display: block;
  padding: 11px 18px 10px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  background: #FAFBFC;
  border-bottom: 1px solid var(--line);
}

.info-panel > * { padding-left: 18px; padding-right: 18px; }

.field, .field-grid { margin-top: 14px; }

.field label {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: #FAFBFC;
  color: var(--ink);
  padding: 0 10px;
  transition: border-color .12s, background .12s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  background: #fff;
  outline: none;
}

.field textarea {
  min-height: 72px;
  padding-block: 8px;
  resize: vertical;
  height: auto;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.blindage-choice {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  align-items: center;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.blindage-choice img {
  width: 90px;
  height: auto;
  border: 1px solid var(--line);
  background: #fff;
}

.blindage-choice strong, .blindage-choice span { display: block; }
.blindage-choice span { margin-top: 3px; color: var(--muted); font-size: 0.82rem; }

.status {
  min-height: 22px;
  margin: 14px 0 18px;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.82rem;
}

/* ── DRAWING PANEL ──────────────────────── */
.drawing-panel { padding: 0; overflow: hidden; }

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 20px 10px;
  background: #FAFBFC;
  border-bottom: 1px solid var(--line);
}

.section-heading .eyebrow {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.section-heading h2 {
  display: block !important;
  font-size: 0.78rem;
  font-weight: 600;
  margin: 2px 0 0;
  letter-spacing: -.005em;
}

/* ── MEASURE BOARD ──────────────────────── */
.measure-board {
  width: calc(100% - 40px);
  margin: 14px 20px 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  padding: 16px 16px 28px;
  overflow: hidden;
}

.measure-canvas {
  position: relative;
  width: 100%;
  aspect-ratio: 437 / 99;
}

/* Cases gauche/double masquées par défaut */
.recouvrement-gauche, .retour-gauche, .jeu-gauche-g, .jeu-droit-g, .largeur-totale-g { display: none; }

.measure-canvas[data-orientation="double"] .width-total          { left: 72%; width: 72px; }
.measure-canvas[data-orientation="double"] .hauteur              { left: 50%; }
.measure-canvas[data-orientation="double"] .recouvrement-gauche  { display: block; left: 8%;   top: 5%;  width: 78px; }
.measure-canvas[data-orientation="double"] .retour-gauche        { display: block; left: 0%;   top: 24%; width: 56px; }
.measure-canvas[data-orientation="double"] .jeu-gauche-g         { display: block; left: 10%;  top: 73%; width: 62px; }
.measure-canvas[data-orientation="double"] .jeu-droit-g          { display: block; left: 26%;  top: 73%; width: 62px; }
.measure-canvas[data-orientation="double"] .largeur-totale-g     { display: block; left: 25%;  top: 5%;  width: 72px; }

/* Double pivot */
.measure-canvas[data-orientation="double-pivot"]                        { aspect-ratio: 776 / 232; }
.measure-canvas[data-orientation="double-pivot"] .retour-droit          { display: none; }
.measure-canvas[data-orientation="double-pivot"] .recouvrement-gauche   { display: block; left: 3%;  top: 8%;  width: 78px; }
.measure-canvas[data-orientation="double-pivot"] .jeu-gauche-g          { display: block; left: 14%; top: 75%; width: 62px; }
.measure-canvas[data-orientation="double-pivot"] .jeu-droit-g           { display: block; left: 30%; top: 75%; width: 62px; }
.measure-canvas[data-orientation="double-pivot"] .largeur-totale-g      { display: block; left: 38%; top: 8%;  width: 72px; }
.measure-canvas[data-orientation="double-pivot"] .hauteur               { left: 50%; top: 55%; }
.measure-canvas[data-orientation="double-pivot"] .width-total           { left: 62%; top: 8%; width: 72px; }
.measure-canvas[data-orientation="double-pivot"] .pivot-gauche          { left: 70%; top: 73%; }
.measure-canvas[data-orientation="double-pivot"] .pivot-droit           { left: 86%; top: 73%; }
.measure-canvas[data-orientation="double-pivot"] .recouvrement-haut     { left: 97%; top: 8%; }

.schema-image {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.schema-image.mirrored,
.blindage-choice img.mirrored { transform: scaleX(-1); }

/* ── MEASURE INPUTS ─────────────────────── */
.measure-input {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.measure-input span {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.measure-input input {
  width: 100%;
  height: 28px;
  border: 1.5px solid #11100e;
  border-radius: 2px;
  background: rgba(255,255,255,.98);
  color: var(--ink);
  padding: 0 6px;
  text-align: center;
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--font);
}

.measure-input:focus-within { outline: 2px solid rgba(28,53,87,.2); outline-offset: 2px; }
.measure-input input:focus-visible { outline: 0; }
.measure-input input::placeholder { color: #aaa; opacity: 1; font-weight: 600; }

/* Default measure positions */
.width-total       { left: 35%; top: 5%;  width: 96px; }
.recouvrement-haut { left: 92%; top: 5%;  width: 78px; }
.retour-droit      { left: 100%; top: 24%; width: 56px; }
.pivot-gauche      { left: 76%; top: 73%; width: 62px; }
.pivot-droit       { left: 90%; top: 73%; width: 62px; }
.hauteur           { left: 50%; top: 60%; width: 82px; }

/* Recouvrement gauche */
.measure-canvas[data-orientation="gauche"] .width-total       { left: 65%; }
.measure-canvas[data-orientation="gauche"] .recouvrement-haut { left: 8%;  }
.measure-canvas[data-orientation="gauche"] .retour-droit      { left: 0%;  }
.measure-canvas[data-orientation="gauche"] .pivot-gauche      { left: 24%; }
.measure-canvas[data-orientation="gauche"] .pivot-droit       { left: 10%; }
.measure-canvas[data-orientation="gauche"] .hauteur           { left: 50%; }

/* Pivot droite */
.measure-canvas[data-orientation="pivot-droite"] .retour-droit { display: none; }
.measure-canvas[data-orientation="pivot-droite"] .pivot-gauche { left: 60%; top: 62%; }
.measure-canvas[data-orientation="pivot-droite"] .pivot-droit  { left: 80%; top: 62%; }
.measure-canvas[data-orientation="pivot-droite"] .hauteur      { left: 30%; top: 60%; }

/* Pivot gauche */
.measure-canvas[data-orientation="pivot-gauche"] .retour-droit      { display: none; }
.measure-canvas[data-orientation="pivot-gauche"] .width-total        { left: 65%; }
.measure-canvas[data-orientation="pivot-gauche"] .recouvrement-haut  { left: 8%;  }
.measure-canvas[data-orientation="pivot-gauche"] .pivot-gauche       { left: 20%; top: 62%; }
.measure-canvas[data-orientation="pivot-gauche"] .pivot-droit        { left: 40%; top: 62%; }
.measure-canvas[data-orientation="pivot-gauche"] .hauteur            { left: 70%; top: 60%; }

/* Marquages INT / EXT — hors du dessin, dans le cadre, portes uniquement */
.int-label, .ext-label {
  display: none;
  position: absolute;
  transform: translate(-50%, -50%);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: .08em;
  color: #11100e;
  z-index: 2;
}
/* Fermées tirantes (pg, pd) : INT en bas, EXT en haut */
.measure-canvas[data-orientation="porte-pg"] .int-label,
.measure-canvas[data-orientation="porte-pd"] .int-label   { display: block; left: 22%; top: 97%; }
.measure-canvas[data-orientation="porte-pg"] .ext-label,
.measure-canvas[data-orientation="porte-pd"] .ext-label   { display: block; left: 22%; top: 0%; }
/* Fermées poussantes (pg1, pd1) : INT en haut, EXT en bas */
.measure-canvas[data-orientation="porte-pg1"] .int-label,
.measure-canvas[data-orientation="porte-pd1"] .int-label  { display: block; left: 22%; top: 0%; }
.measure-canvas[data-orientation="porte-pg1"] .ext-label,
.measure-canvas[data-orientation="porte-pd1"] .ext-label  { display: block; left: 22%; top: 97%; }
/* Ouvertes poussantes (pg2, pd2) : INT en haut, EXT en bas */
.measure-canvas[data-orientation="porte-pg2"] .int-label  { display: block; left: 26%; top: 3%; }
.measure-canvas[data-orientation="porte-pg2"] .ext-label  { display: block; left: 26%; top: 95%; }
.measure-canvas[data-orientation="porte-pd2"] .int-label  { display: block; left: 74%; top: 3%; }
.measure-canvas[data-orientation="porte-pd2"] .ext-label  { display: block; left: 74%; top: 95%; }
/* Ouvertes tirantes (pg3, pd3) : INT en bas, EXT en haut */
.measure-canvas[data-orientation="porte-pg3"] .int-label  { display: block; left: 26%; top: 95%; }
.measure-canvas[data-orientation="porte-pg3"] .ext-label  { display: block; left: 26%; top: 3%; }
.measure-canvas[data-orientation="porte-pd3"] .int-label  { display: block; left: 74%; top: 95%; }
.measure-canvas[data-orientation="porte-pd3"] .ext-label  { display: block; left: 74%; top: 3%; }

/* ── PORTES (PG, PD, PG1-3, PD1-3) ────────
   5 cotes : hauteur, longueur totale (width-total),
   longueur bâti côté pivot (recouvrement-haut),
   longueur bâti côté fermeture (pivot-droit),
   profondeur bâti côté fermeture (retour-droit). */
.measure-canvas[data-orientation^="porte-"] .pivot-gauche { display: none; }

.measure-canvas[data-orientation="porte-pg"]  { aspect-ratio: 789 / 118; }
.measure-canvas[data-orientation="porte-pd"]  { aspect-ratio: 776 / 106; }
.measure-canvas[data-orientation="porte-pg1"] { aspect-ratio: 781 / 109; }
.measure-canvas[data-orientation="porte-pd1"] { aspect-ratio: 778 / 108; }
.measure-canvas[data-orientation="porte-pg2"] { aspect-ratio: 809 / 266; }
.measure-canvas[data-orientation="porte-pd2"] { aspect-ratio: 783 / 233; }
.measure-canvas[data-orientation="porte-pg3"] { aspect-ratio: 779 / 249; }
.measure-canvas[data-orientation="porte-pd3"] { aspect-ratio: 777 / 223; }

/* Portes fermées (PG, PG1, PD, PD1) : seulement longueur totale + hauteur (coin bas-gauche) */
.measure-canvas[data-orientation="porte-pg"] .recouvrement-haut,
.measure-canvas[data-orientation="porte-pg1"] .recouvrement-haut,
.measure-canvas[data-orientation="porte-pd"] .recouvrement-haut,
.measure-canvas[data-orientation="porte-pd1"] .recouvrement-haut,
.measure-canvas[data-orientation="porte-pg"] .pivot-droit,
.measure-canvas[data-orientation="porte-pg1"] .pivot-droit,
.measure-canvas[data-orientation="porte-pd"] .pivot-droit,
.measure-canvas[data-orientation="porte-pd1"] .pivot-droit,
.measure-canvas[data-orientation="porte-pg"] .retour-droit,
.measure-canvas[data-orientation="porte-pg1"] .retour-droit,
.measure-canvas[data-orientation="porte-pd"] .retour-droit,
.measure-canvas[data-orientation="porte-pd1"] .retour-droit      { display: none; }
.measure-canvas[data-orientation="porte-pg"] .width-total,
.measure-canvas[data-orientation="porte-pg1"] .width-total,
.measure-canvas[data-orientation="porte-pd"] .width-total,
.measure-canvas[data-orientation="porte-pd1"] .width-total       { left: 50%; top: 2%;   width: 82px; }
.measure-canvas[data-orientation="porte-pg"] .hauteur,
.measure-canvas[data-orientation="porte-pg1"] .hauteur,
.measure-canvas[data-orientation="porte-pd"] .hauteur,
.measure-canvas[data-orientation="porte-pd1"] .hauteur           { left: 50%; top: 110%; }

/* Portes ouvertes, pivot à gauche (PG2, PG3) : bâti fermeture en haut à droite */
.measure-canvas[data-orientation="porte-pg2"] .width-total,
.measure-canvas[data-orientation="porte-pg3"] .width-total       { left: 38%; top: 6%; }
.measure-canvas[data-orientation="porte-pg2"] .recouvrement-haut,
.measure-canvas[data-orientation="porte-pg3"] .recouvrement-haut { left: 41%; top: 68%; }
.measure-canvas[data-orientation="porte-pg2"] .pivot-droit,
.measure-canvas[data-orientation="porte-pg3"] .pivot-droit       { left: 75%; top: 47%; }
.measure-canvas[data-orientation="porte-pg2"] .retour-droit,
.measure-canvas[data-orientation="porte-pg3"] .retour-droit      { display: none; }
.measure-canvas[data-orientation="porte-pg2"] .hauteur,
.measure-canvas[data-orientation="porte-pg3"] .hauteur           { left: 50%; top: 97%; }

/* Portes ouvertes, pivot à droite (PD2, PD3) : bâti fermeture en haut à gauche */
.measure-canvas[data-orientation="porte-pd2"] .width-total,
.measure-canvas[data-orientation="porte-pd3"] .width-total       { left: 62%; top: 6%; }
.measure-canvas[data-orientation="porte-pd2"] .recouvrement-haut,
.measure-canvas[data-orientation="porte-pd3"] .recouvrement-haut { left: 58%; top: 74%; }
.measure-canvas[data-orientation="porte-pd2"] .pivot-droit,
.measure-canvas[data-orientation="porte-pd3"] .pivot-droit       { left: 23%; top: 47%; }
.measure-canvas[data-orientation="porte-pd2"] .retour-droit,
.measure-canvas[data-orientation="porte-pd3"] .retour-droit      { display: none; }
.measure-canvas[data-orientation="porte-pd2"] .hauteur,
.measure-canvas[data-orientation="porte-pd3"] .hauteur           { left: 50%; top: 97%; }

/* ── OUVRANT ────────────────────────────── */
.ouvrant-row {
  display: none;
  align-items: center;
  gap: 12px;
  margin: 12px 20px 0;
  padding: 9px 12px;
  background: #FAFBFC;
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.ouvrant-row.visible { display: flex; }

.ouvrant-title {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

.ouvrant-toggle { display: flex; gap: 6px; }

.ouvrant-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 11px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .1s, border-color .1s;
}

.ouvrant-btn:has(input:checked) {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.ouvrant-btn input { display: none; }

/* ── SUMMARY STRIP ──────────────────────── */
.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--line);
  background: var(--line);
}

.summary-strip div {
  min-width: 0;
  background: #FAFBFC;
  padding: 12px 18px;
}

.summary-strip span,
.summary-strip strong { display: block; }

.summary-strip span {
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.summary-strip strong {
  margin-top: 3px;
  overflow-wrap: anywhere;
  font-size: 0.88rem;
}

/* ── RESPONSIVE ─────────────────────────── */
@media (max-width: 950px) {
  .app-shell { padding: 14px 16px 24px; }
  .layout { display: block; }
  .topbar { display: flex; }
  .topbar-actions { justify-content: flex-start; margin-top: 0; }
  .layout { margin-top: 14px; }
  .drawing-panel { margin-top: 14px; }
}

@media (max-width: 620px) {
  .topbar-actions,
  .field-grid,
  .summary-strip { grid-template-columns: 1fr; }

  .topbar-actions { display: grid; }
  .button { width: 100%; }
  .section-heading { display: block; }
  .section-heading .button { margin-top: 10px; }

  .measure-board {
    width: calc(100% - 20px);
    margin-inline: 10px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .measure-canvas { width: 760px; max-width: none; }
  .measure-input input { height: 26px; font-size: 0.78rem; }
  .width-total { width: 84px; }
  .recouvrement-haut { width: 70px; }
}