:root {
  --bg: #0d0f14;
  --bg-panel: #161b24;
  --bg-input: #1e2535;
  --border: #2a3347;
  --text: #e8edf5;
  --text-muted: #8892a4;
  --accent: #4f7cff;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
  --info: #3498db;
  --radius: 10px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
}

.topbar { padding: 22px 24px 6px; text-align: center; }
.topbar h1 { margin: 0 0 4px; font-size: 1.4rem; }
.subtitle { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

.steps-nav {
  display: flex; justify-content: center; gap: 6px; padding: 16px 20px;
  flex-wrap: wrap;
}
.step-tab {
  background: var(--bg-panel); color: var(--text-muted); border: 1px solid var(--border);
  border-radius: 20px; padding: 8px 18px; font-size: 0.85rem; cursor: pointer;
}
.step-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

main { max-width: 1200px; margin: 0 auto; padding: 0 20px 60px; }

.step-panel { display: none; }
.step-panel.active { display: block; }

.grid-2col { display: grid; grid-template-columns: 380px 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-2col { grid-template-columns: 1fr; } }

.panel {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px;
}
.panel h2 { font-size: 1rem; margin: 0 0 8px; color: var(--text); }
.hint { color: var(--text-muted); font-size: 0.8rem; margin: 0 0 10px; }
.mini { font-size: 0.78rem; color: var(--text); }
.muted { color: var(--text-muted); }

.divider { border: none; border-top: 1px solid var(--border); margin: 18px 0; }

input[type="text"], input[type="number"], input[type="date"], select, textarea {
  background: var(--bg-input); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 9px; font-size: 0.85rem;
}
input[type="file"] { color: var(--text-muted); font-size: 0.82rem; }
input[type="color"] { width: 40px; height: 30px; padding: 0; border: 1px solid var(--border); border-radius: 6px; background: none; }

select#fieldSelect { width: 100%; margin-bottom: 6px; }

.row-inline { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 6px; }

.field-extra { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 6px; }

.btn {
  border: none; border-radius: 8px; padding: 10px 16px; font-size: 0.88rem; font-weight: 600;
  cursor: pointer; color: #fff;
}
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-primary { background: linear-gradient(135deg, #4f7cff 0%, #7c4fff 100%); }
.btn-save { background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%); }
.btn-mail { background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%); }
.btn-neutral { background: var(--bg-input); color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%); }
.btn:disabled { opacity: 0.6; cursor: default; }
.btn-icon {
  background: none; border: none; color: var(--danger); cursor: pointer; font-size: 1rem;
}

.canvas-wrap {
  width: 100%; overflow: auto; border: 1px solid var(--border); border-radius: var(--radius);
  background: repeating-conic-gradient(#20242f 0% 25%, #171a22 0% 50%) 0 0 / 20px 20px;
}
.canvas-wrap canvas { display: block; max-width: 100%; height: auto; cursor: crosshair; }

.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
table.data-table th {
  text-align: left; padding: 8px 6px; color: var(--text-muted); border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.data-table td { padding: 5px 6px; border-bottom: 1px solid var(--border); }
table.data-table input[type="text"], table.data-table input[type="date"] { width: 100%; }
.empty-row { text-align: center; padding: 24px; color: var(--text-muted); }

.coord-table td { vertical-align: middle; }
.coord-table tr[data-row-fld] { cursor: pointer; }
.coord-table tr[data-row-fld]:hover { background: rgba(255,255,255,0.03); }
.coord-table tr.coord-row-active { background: rgba(79,124,255,0.12); }
.coord-table .field-name { white-space: nowrap; }
.dot-preview {
  display: inline-block; width: 12px; height: 12px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.4);
}

.thumbs-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px;
}
.thumb-card {
  background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px; display: flex; flex-direction: column; gap: 8px; align-items: center;
}
.thumb-card img { width: 100%; border-radius: 6px; border: 1px solid var(--border); }
.thumb-caption { font-size: 0.78rem; color: var(--text-muted); text-align: center; }

.toast-wrap {
  position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 999;
}
.toast {
  background: var(--bg-panel); border: 1px solid var(--border); border-left: 4px solid var(--info);
  padding: 10px 16px; border-radius: 8px; font-size: 0.85rem; opacity: 0; transform: translateX(20px);
  transition: all 0.25s;
}
.toast.show { opacity: 1; transform: translateX(0); }
.toast-ok { border-left-color: var(--success); }
.toast-warn { border-left-color: var(--warning); }
.toast-err { border-left-color: var(--danger); }