:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --ink: #1f2430;
  --muted: #7a8194;
  --accent: #2d6cdf;
  --accent-dark: #1f52ad;
  --danger: #d9534f;
  --border: #e2e5ea;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

.topbar {
  padding: 18px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 20px; }
.tagline { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  padding: 20px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.tool-group { margin-top: 18px; }
.tool-group:first-of-type { margin-top: 0; }
.tool-group h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 8px;
}

.side-switch {
  display: flex;
  gap: 6px;
  background: var(--bg);
  padding: 4px;
  border-radius: var(--radius);
}
.side-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px;
  border-radius: 7px;
  cursor: pointer;
  font-weight: 600;
  color: var(--muted);
}
.side-btn.active { background: var(--panel); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.12); }

.btn {
  display: inline-block;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--ink);
  padding: 9px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  text-align: center;
  width: 100%;
  margin-bottom: 8px;
}
.btn:hover { border-color: var(--accent); }
.btn.small { width: auto; flex: 1; margin-bottom: 0; padding: 7px 8px; font-size: 13px; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-dark); }
.btn.danger { color: var(--danger); border-color: #f0c9c8; }
.btn.big { padding: 12px; font-size: 15px; font-weight: 600; margin-top: 12px; }
.file-btn { cursor: pointer; }
.row { display: flex; gap: 8px; margin-bottom: 8px; }

label { display: block; font-size: 13px; margin-bottom: 10px; color: var(--ink); }
input[type="text"], input[type="email"], input[type="number"], select, textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 14px;
  margin-top: 4px;
  font-family: inherit;
}
input[type="range"] { width: 100%; }
input[type="color"] { width: 100%; height: 34px; padding: 2px; }

.preset-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.preset-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
  background: #fff;
  cursor: pointer;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preset-item:hover { border-color: var(--accent); }
.preset-item img { max-width: 100%; max-height: 100%; }
.muted { color: var(--muted); font-size: 13px; }
.small-note { font-size: 12px; margin: 8px 0 0; }

.palette { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 2px solid var(--border);
  cursor: pointer;
  padding: 0;
  position: relative;
}
.swatch:hover { transform: scale(1.08); }
.swatch-etch { border-color: #9aa0a6; }
.swatch.active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }
.swatch.active::after {
  content: "";
  position: absolute; inset: 0;
  margin: auto;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
}

.stage { display: flex; flex-direction: column; align-items: center; }
.canvas-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 820px;
  display: flex;
  justify-content: center;
}
/* Fabric sets inline width/height for the internal resolution; scale it down for display. */
.canvas-wrap canvas { max-width: 100%; height: auto !important; }
.hint { color: var(--muted); font-size: 13px; max-width: 760px; text-align: center; margin: 14px 0 0; }

dialog {
  border: none;
  border-radius: var(--radius);
  padding: 24px;
  width: min(420px, 92vw);
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
dialog::backdrop { background: rgba(20,25,40,.45); }
dialog h2 { margin-top: 0; }
.dialog-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }
.dialog-actions .btn { width: auto; margin-bottom: 0; }
.save-status { font-size: 14px; margin: 12px 0 0; min-height: 18px; }
.save-status.error { color: var(--danger); }
.save-status.ok { color: #2e8b57; }

.stage-actions { display: flex; gap: 12px; width: 100%; max-width: 500px; margin-top: 12px; }
.stage-actions .btn { margin-top: 0; }

.preview-dialog { width: min(820px, 94vw); }
.preview-dialog h2 { margin-top: 0; }
.preview-material-note {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--muted);
  display: inline-block;
  padding: 4px 10px;
  background: var(--bg);
  border-radius: 999px;
}
.preview-tags {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 8px 0 4px;
}
.preview-tags figure { margin: 0; text-align: center; }
.preview-tags figcaption { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 8px; }
.preview-tags canvas {
  width: 100%;
  height: auto;
  border-radius: 8px;
  filter: drop-shadow(0 6px 14px rgba(0,0,0,.28));
}
@media (max-width: 620px) { .preview-tags { grid-template-columns: 1fr; } }

.orders { width: 100%; border-collapse: collapse; font-size: 14px; }
.orders th, .orders td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.orders th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.orders td .row { margin-bottom: 0; }
.orders select { width: auto; margin-top: 0; }
.status-cell { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.status-cell .btn.small { width: auto; margin-bottom: 0; }

.thumbs { display: flex; gap: 10px; }
.thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-decoration: none;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.thumb img {
  width: 108px;
  aspect-ratio: 86 / 54;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  display: block;
}
.thumb:hover img { border-color: var(--accent); }

@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
}