/* ============================================================
   Montagne Laser — Main Stylesheet
   ============================================================ */

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

:root {
  --color-primary:      #2c5f8a;
  --color-primary-dark: #1e4269;
  --color-success:      #2e7d32;
  --color-surface:      #f5f7fa;
  --color-border:       #d0d7de;
  --color-text:         #1a1a2e;
  --color-text-muted:   #57606a;
  --color-computed:     #e8f0f8;
  --color-accent:       #e67e22;
  --radius:  6px;
  --shadow:  0 1px 3px rgba(0,0,0,0.12);
  --font:    system-ui, -apple-system, 'Segoe UI', sans-serif;
  --header-h: 48px;
  --footer-h: 36px;
  --controls-h: 118px; /* hauteur approx de la barre de contrôles */
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-surface);
}

/* ── Header ──────────────────────────────────────────────── */

.app-header {
  height: var(--header-h);
  background: var(--color-primary);
  color: white;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.app-header h1   { font-size: 1.15rem; font-weight: 700; white-space: nowrap; }
.app-subtitle    { font-size: 0.82rem; opacity: 0.75; }

/* ── Section top (première page) ────────────────────────── */

.section-top {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--header-h));
}

/* Carte */
.top-map {
  position: relative;
  height: calc(100vh - var(--header-h) - 145px); /* 145px ≈ hauteur barre contrôles */
  min-height: 250px;
  display: flex;
  flex-direction: column;
}

#map-container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

#map {
  flex: 1;
  min-height: 300px;
}

/* Info bbox flottante sur la carte */
.map-overlay-info {
  position: absolute;
  bottom: 10px;
  left: 10px;
  z-index: 500;
  background: rgba(255,255,255,0.93);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 7px 10px;
  font-size: 0.78rem;
  box-shadow: var(--shadow);
  max-width: 280px;
}

/* ── Barre de contrôles ──────────────────────────────────── */

.controls-bar {
  background: white;
  border-top: 2px solid var(--color-border);
  padding: 12px 20px;
  flex-shrink: 0;
}

.controls-main {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: flex-start;
}

.ctrl-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ctrl-group__label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
}

.ctrl-group--actions {
  margin-left: auto;
  justify-content: flex-end;
  gap: 6px;
}

/* ── Dimensions ──────────────────────────────────────────── */

.dims-grid {
  display: grid;
  grid-template-columns: repeat(4, 80px);
  gap: 6px;
}

.dim-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dim-field label {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.dim-unit { font-size: 0.66rem; opacity: 0.7; }

.dim-field input {
  padding: 4px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  background: white;
  color: var(--color-text);
  width: 100%;
}
.dim-field input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.dim-field--computed label {
  opacity: 0.45;
}
.dim-field--computed input {
  background: #ebebeb;
  color: #999;
  border-color: #d0d0d0;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Réf selector ────────────────────────────────────────── */

.ref-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.ref-selector__label {
  font-size: 0.74rem;
  color: var(--color-text-muted);
}
.ref-selector__btns { display: flex; gap: 4px; }

.ref-btn {
  padding: 3px 9px;
  font-size: 0.74rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: white;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.15s;
}
.ref-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.ref-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}
.ref-btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* Scale inline */
.inline-scale {
  font-size: 0.76rem;
  color: var(--color-primary);
  font-weight: 600;
}
.z-hint {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--color-text-muted);
  font-style: italic;
  margin-left: 4px;
}

/* ── Résolution ──────────────────────────────────────────── */

.resolution-selector {
  display: flex;
  align-items: center;
  gap: 6px;
}
.resolution-selector__btns { display: flex; gap: 3px; }

.res-btn {
  padding: 4px 9px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--color-text);
  transition: background 0.12s, border-color 0.12s;
}
.res-btn:hover  { background: var(--color-computed); }
.res-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  font-weight: 600;
}
.res-hint {
  font-size: 0.74rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Altitude compact */
.alt-compact {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  padding: 3px 0;
}
.alt-compact .muted { opacity: 0.7; }

/* ── Machine ─────────────────────────────────────────────── */

.form-grid {
  display: grid;
  grid-template-columns: 160px 70px;
  gap: 6px;
}

label {
  display: flex;
  flex-direction: column;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  gap: 2px;
}
input[type="number"],
select {
  padding: 4px 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  background: white;
  color: var(--color-text);
  width: 100%;
}
input[type="number"]:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ── Boutons ─────────────────────────────────────────────── */

.btn {
  padding: 8px 18px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.38; cursor: not-allowed; }

.btn--primary { background: var(--color-primary); color: white; }
.btn--primary:not(:disabled):hover { background: var(--color-primary-dark); }

.btn--success { background: var(--color-success); color: white; }
.btn--success:not(:disabled):hover { background: #1b5e20; }

/* Fetch error */
.fetch-error {
  padding: 6px 10px;
  background: #fdecea;
  border: 1px solid #f5c6cb;
  border-radius: var(--radius);
  font-size: 0.80rem;
  color: #c62828;
  max-width: 220px;
}

/* ── Info box (bbox overlay) ─────────────────────────────── */

.info-box__row--provider {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
}

.provider-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 0.74rem;
  font-weight: 600;
  background: #e3f2fd;
  color: #0d47a1;
}
.provider-badge--ign {
  background: #fce4ec;
  color: #880e4f;
}
.bbox-size {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

.map-overlay-info dl {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 2px 6px;
  font-size: 0.75rem;
}
.map-overlay-info dt { color: var(--color-text-muted); }

/* ── Section résultats ───────────────────────────────────── */

.section-results {
  border-top: 2px solid var(--color-border);
}

.section-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
  padding: 14px 20px 0;
}

/* 3D Preview */
.results-3d {
  border-bottom: 1px solid var(--color-border);
}

#preview-3d-container {
  position: relative;
  background: #1a1a2e;
  height: 60vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
}
#preview-3d { width: 100%; height: 100%; display: block; }

/* Nesting */
.results-nesting {
  padding-bottom: 24px;
}

#nesting-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 10px 20px;
}

.nesting-sheet {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.nesting-sheet__label {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-align: center;
}
.nesting-sheet__canvas {
  border: 1px solid var(--color-border);
  border-radius: 3px;
  display: block;
}

/* ── Placeholders ────────────────────────────────────────── */

.placeholder-text {
  color: var(--color-text-muted);
  font-style: italic;
  font-size: 0.83rem;
  text-align: center;
  padding: 20px;
}
#preview-3d-container .placeholder-text {
  color: rgba(255,255,255,0.35);
  position: absolute;
}

/* ── Footer ──────────────────────────────────────────────── */

.app-footer {
  height: var(--footer-h);
  background: white;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.app-footer a { color: var(--color-primary); text-decoration: none; }
.app-footer a:hover { text-decoration: underline; }