:root {
  --bg: #0f1420;
  --panel: #161c2c;
  --panel-2: #1d2438;
  --border: #2a3350;
  --text: #e7ebf5;
  --text-dim: #9aa5c0;
  --accent: #4f8cff;
  --accent-2: #34d399;
  --danger: #ef4444;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 10px;
}
.brand { font-weight: 700; font-size: 18px; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }

.layout {
  display: grid;
  grid-template-columns: 360px 1fr 340px;
  gap: 16px;
  padding: 16px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.panel h2 { margin-top: 0; font-size: 15px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .04em; }
.panel h3 { font-size: 13px; color: var(--text-dim); margin: 18px 0 6px; text-transform: uppercase; letter-spacing: .04em; }

.type-tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.type-tab {
  flex: 1;
  padding: 9px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text-dim);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
}
.type-tab.active { background: var(--accent); border-color: var(--accent); color: white; }

label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 10px;
}
label small { color: #6b7699; font-weight: normal; }

input[type="text"], select, textarea {
  width: 100%;
  margin-top: 5px;
  padding: 9px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 14px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); }

.line-row { display: flex; gap: 6px; align-items: center; margin-bottom: 8px; }
.line-row input { margin-top: 0; flex: 1; }
.line-row button {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--danger);
  cursor: pointer;
  font-weight: 700;
}
.line-row button:hover { border-color: var(--danger); }

.btn {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn.accent { background: var(--accent-2); border-color: var(--accent-2); color: #063; }
.btn.ghost { background: transparent; }
.btn.full { width: 100%; margin-bottom: 12px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.btn-row .btn { flex: 1; min-width: 100px; }

.preview-panel { display: flex; flex-direction: column; align-items: center; }
.canvas-wrap {
  width: 100%;
  max-width: 400px;
  overflow: auto;
  background: #fff;
  border-radius: 8px;
  padding: 10px;
}
#labelCanvas { width: 100%; height: auto; display: block; background: #fff; }
.hint { color: var(--text-dim); font-size: 12px; margin-top: 10px; text-align: center; }
.dim-note { color: var(--text-dim); font-size: 11.5px; text-align: center; margin-top: 4px; }
kbd {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: ui-monospace, monospace;
  font-size: 11px;
}

.search-box {
  width: 100%;
  padding: 10px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
}
.results-count { font-size: 11px; color: var(--text-dim); margin: 8px 2px; }
.label-list { display: flex; flex-direction: column; gap: 8px; max-height: 640px; overflow-y: auto; }
.empty-state { color: var(--text-dim); font-size: 13px; line-height: 1.5; }

.label-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  transition: border-color .15s;
}
.label-card:hover { border-color: var(--accent); }
.label-card .title { font-weight: 700; font-size: 13px; margin-bottom: 3px; }
.label-card .meta { font-size: 11px; color: var(--text-dim); }
.label-card .meta span { margin-right: 8px; }
.label-card .card-actions { margin-top: 8px; display: flex; gap: 6px; }
.label-card .card-actions button {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
}
.label-card .card-actions button:hover { color: var(--text); border-color: var(--accent); }

@media (max-width: 1150px) {
  .layout { grid-template-columns: 1fr; }
}

/* Print-only area */
#printArea { display: none; }

@media print {
  /* display:none removes these from layout entirely — unlike
     visibility:hidden, which still reserves their full height and was
     causing the page to paginate across extra blank sheets to cover it. */
  .topbar, .layout { display: none !important; }
  #printArea {
    display: block;
    margin: 0;
    padding: 0;
  }
  #printImg { width: 50mm; height: 65mm; display: block; }
  @page {
    size: 50mm 65mm;
    margin: 0;
  }
}