:root {
  --bg: #0e0e10;
  --bg-elev-1: #18181b;
  --bg-elev-2: #1f1f23;
  --fg: #e4e4e7;
  --fg-muted: #9ca3af;
  --border: #2a2a2e;
  --accent: #ff7a00;
  --accent-fg: #ffffff;
  --success: #22c55e;
  --danger: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* ===== Topbar ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: var(--bg-elev-1);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h1 { margin: 0; font-size: 1rem; font-weight: 600; }
.badge {
  background: var(--accent);
  color: var(--accent-fg);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
}
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ===== Boutons ===== */
.btn {
  background: var(--bg-elev-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
}
.btn:hover { border-color: var(--fg-muted); }
.btn.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn.ghost { background: transparent; }
.btn.small { padding: 4px 10px; font-size: 0.78rem; }
.btn.icon { padding: 4px 9px; line-height: 1; }

/* ===== Layout 2 colonnes ===== */
.layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  height: calc(100vh - 57px);
}
.pane { padding: 20px; overflow-y: auto; }
.pane.edit { border-right: 1px solid var(--border); }

/* ===== Champs ===== */
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.78rem; color: var(--fg-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.03em; }
input[type=text], textarea, select {
  width: 100%;
  background: var(--bg-elev-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
}
textarea { resize: vertical; min-height: 60px; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }

/* ===== Blocs ===== */
.block { margin-bottom: 26px; }
.block-head { display: flex; align-items: center; justify-content: space-between; }
.block-head h2 { font-size: 0.95rem; margin: 0; }
.hint { color: var(--fg-muted); font-size: 0.8rem; margin: 6px 0 12px; line-height: 1.45; }

.rows { display: flex; flex-direction: column; gap: 10px; }
.row {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.row-grid { display: grid; grid-template-columns: 1fr 130px auto; gap: 8px; align-items: end; }
.row .mini-label { font-size: 0.7rem; color: var(--fg-muted); display: block; margin-bottom: 3px; }
.row-step-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.row-step-head .num { font-weight: 700; color: var(--accent); }
.del { background: transparent; border: 1px solid var(--border); color: var(--danger); border-radius: 8px; padding: 6px 9px; cursor: pointer; }
.del:hover { border-color: var(--danger); }

/* ===== Aperçu ===== */
.tabs { display: flex; gap: 4px; margin-bottom: 16px; }
.tab {
  background: transparent; border: 1px solid var(--border); color: var(--fg-muted);
  border-radius: 8px; padding: 6px 14px; cursor: pointer; font-size: 0.82rem;
}
.tab.active { background: var(--bg-elev-2); color: var(--fg); border-color: var(--accent); }
.tabpane { display: none; }
.tabpane.active { display: block; }

.device {
  max-width: 420px;
  margin: 0 auto;
  background: #0d3b66;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.device-title {
  color: #ffae00;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 14px;
  text-align: center;
}
.prev-steps { display: flex; flex-direction: column; gap: 12px; }
.prev-step { background: rgba(255,255,255,0.06); border-radius: 10px; padding: 12px 14px; }
.prev-step .s-num { color: #ffae00; font-weight: 700; font-size: 0.78rem; }
.prev-step .s-title { color: #fff; font-weight: 600; margin: 2px 0 6px; }
.prev-step .s-body { color: #cfe0f3; font-size: 0.85rem; }
.prev-step .s-body ul { margin: 6px 0 0; padding-left: 18px; }

.json {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 0.78rem;
  color: #cbd5e1;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ===== Impression QR ===== */
.print-area { padding: 0; }
.qr-sheet { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; padding: 24px; }
.qr-card {
  border: 1px dashed #999;
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  page-break-inside: avoid;
}
.qr-card svg, .qr-card img { width: 180px; height: 180px; }
.qr-card .qr-label { font-weight: 700; margin-top: 10px; font-size: 15px; }
.qr-card .qr-id { font-family: monospace; font-size: 11px; color: #555; margin-top: 2px; }
.qr-card .qr-sign { font-size: 10px; color: #b45309; margin-top: 8px; }

@media print {
  body * { visibility: hidden; }
  #print-area, #print-area * { visibility: visible; }
  #print-area { position: absolute; inset: 0; background: #fff; color: #000; }
  .qr-card { border-color: #ccc; }
}