:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #dde1e6;
  --text: #1f2430;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --danger: #dc2626;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

.topbar {
  padding: 24px 32px 12px;
}
.topbar h1 { margin: 0 0 4px; font-size: 22px; }
.subtitle { margin: 0; color: var(--muted); font-size: 13px; }

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 8px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.panel h2 { margin: 0 0 6px; font-size: 16px; }
.hint { margin: 0 0 14px; color: var(--muted); font-size: 13px; }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: border-color .15s, background .15s;
}
.dropzone.dragover {
  border-color: var(--accent);
  background: #eef4ff;
}
.dropzone .or { font-size: 12px; }

.btn {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
}
.btn:hover { background: #f0f1f3; }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn.primary:hover { background: var(--accent-dark); }
.btn.large { padding: 12px 22px; font-size: 15px; }
.btn.secondary { background: #fff; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.thumb-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  min-height: 40px;
}
.thumb-row.empty-hint {
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.thumb {
  width: 96px;
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  background: #fafafa;
  position: relative;
}
.thumb img { display: block; width: 100%; height: 64px; object-fit: cover; }
.thumb .thumb-label {
  display: block;
  font-size: 10px;
  text-align: center;
  padding: 3px 2px;
  color: var(--muted);
  background: #f4f5f7;
}
.thumb.selected { border-color: var(--accent); }
.thumb .remove-x {
  position: absolute;
  top: 2px; right: 2px;
  background: rgba(0,0,0,.55);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 18px; height: 18px;
  font-size: 11px;
  line-height: 18px;
  cursor: pointer;
  padding: 0;
}

.editor-wrap {
  display: flex;
  justify-content: center;
  background: #20232a;
  border-radius: var(--radius);
  padding: 12px;
}
#editor-canvas { max-width: 100%; touch-action: none; cursor: crosshair; }

.editor-actions {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  align-items: center;
}
.editor-actions .spacer { flex: 1; }

#cedulas-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 14px; }

.cedula-row {
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}
.cedula-row .cedula-index {
  width: 26px;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
}
.cedula-row .slots { display: flex; gap: 12px; flex: 1; }
.slot {
  flex: 1;
  min-height: 70px;
  border: 2px dashed var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.slot.filled { border-style: solid; padding: 0; }
.slot.filled img { width: 100%; height: 70px; object-fit: cover; }
.slot.dragover { border-color: var(--accent); background: #eef4ff; }
.slot .slot-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(0,0,0,.5);
  color: #fff;
  font-size: 10px;
  text-align: center;
  padding: 2px 0;
}
.slot .remove-x {
  position: absolute;
  top: 2px; right: 2px;
  background: rgba(0,0,0,.55);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 18px; height: 18px;
  font-size: 11px;
  line-height: 18px;
  cursor: pointer;
  padding: 0;
}
.remove-cedula-btn {
  border: none;
  background: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 12px;
}

.perpage-list {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}
.perpage-option {
  flex: 1;
  border: 2px solid var(--border);
  background: #fff;
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
}
.perpage-option strong { font-size: 22px; }
.perpage-option span { font-size: 12px; color: var(--muted); }
.perpage-option.selected { border-color: var(--accent); background: #eef4ff; }

.status-msg { margin-top: 12px; font-size: 13px; color: var(--muted); min-height: 18px; }
.status-msg.error { color: var(--danger); }
.status-msg.ok { color: #16a34a; }

@media (max-width: 600px) {
  main { padding: 8px 8px 48px; }
  .topbar { padding: 16px 12px 8px; }
  .panel { padding: 16px 12px; }
  .editor-wrap { padding: 4px; }
  .editor-actions { flex-wrap: wrap; }
  .editor-actions .spacer { flex-basis: 100%; height: 0; }
  .cedula-row { gap: 8px; padding: 8px; }
}