/* ─────────────────────────────────────────────
   SIGNATURE.CSS — Écran d'acceptation du devis
   ───────────────────────────────────────────── */

#signature-screen {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: #fafaf8;
  z-index: 600;
  overflow-y: auto;
}
#signature-screen.open { display: block; }

.sig-header {
  background: linear-gradient(135deg, #1B4332, #2D6A4F);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0; z-index: 10;
}
.sig-header h2 { color: #fff; font-size: 18px; font-weight: 800; flex: 1; }
.sig-close {
  background: rgba(255,255,255,.2);
  border: none; color: #fff;
  width: 32px; height: 32px;
  border-radius: 50%; cursor: pointer; font-size: 18px;
}

.sig-body { padding: 16px; }

/* ─── INFO BOX ─── */
.sig-info-box {
  background: #fff;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,.07);
}
.sig-info-box h3 { font-size: 14px; font-weight: 800; color: #1B4332; margin-bottom: 6px; }
.sig-info-box p  { font-size: 12px; color: #6B7280; margin: 3px 0; }

.sig-already-signed {
  background: #D1FAE5;
  border: 1px solid #6EE7B7;
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 14px;
  font-size: 13px;
  color: #065F46;
  font-weight: 600;
}

/* ─── CANVAS ─── */
.sig-canvas-wrap {
  background: #fff;
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,.07);
}
.sig-canvas-label {
  font-size: 11px;
  font-weight: 700;
  color: #6B7280;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}
#sig-canvas {
  width: 100%;
  border: 2px dashed #B7E4C7;
  border-radius: 10px;
  cursor: crosshair;
  touch-action: none;
  display: block;
  background: #F9FAFB;
  height: 150px;
}
.sig-clear-btn {
  margin-top: 8px;
  padding: 7px 14px;
  border-radius: 7px;
  border: 1.5px solid #E2E5F0;
  background: #fff;
  color: #6B7280;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

/* ─── CHAMP NOM ─── */
.sig-field { margin-bottom: 12px; }
.sig-label {
  font-size: 11px;
  font-weight: 700;
  color: #6B7280;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: block;
  margin-bottom: 5px;
}
.sig-input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 9px;
  border: 1.5px solid #E2E5F0;
  font-size: 14px;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color .2s;
}
.sig-input:focus { outline: none; border-color: #2D6A4F; }

/* ─── BOUTON VALIDER ─── */
.sig-save-btn {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, #1B4332, #2D6A4F);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  margin-bottom: 10px;
  transition: opacity .2s;
}
.sig-save-btn:hover { opacity: .9; }

/* ─── MODE SOMBRE ─── */
body.dark #signature-screen        { background: #1A1D2E; }
body.dark .sig-info-box            { background: #252A3A; }
body.dark .sig-canvas-wrap         { background: #252A3A; }
body.dark #sig-canvas              { background: #1A1D2E; border-color: #374151; }
body.dark .sig-input               { background: #1A1D2E; color: #e2e8f0; border-color: #374151; }
body.dark .sig-clear-btn           { background: #252A3A; color: #9ca3af; border-color: #374151; }