/* stamps.cl — "Crear tapa" studio. Theme tokens only (works in every skin, Senior mode, contrast). */
.cs-overlay { position: fixed; inset: 0; z-index: 1600; display: none; align-items: stretch; justify-content: center; padding: 16px;
  background: rgba(3, 8, 16, .66); backdrop-filter: blur(6px); }
.cs-overlay.open { display: flex; }
.cs-panel { width: min(1240px, 100%); display: flex; flex-direction: column; overflow: hidden; border-radius: 18px;
  background: var(--bg-2); color: var(--text); border: 1px solid var(--panel-border); box-shadow: 0 40px 120px -40px rgba(0,0,0,.8); }
.cs-head { display: flex; justify-content: space-between; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--panel-border); }
.cs-head h2 { margin: 0; font-size: 20px; font-weight: 800; }
.cs-head p { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.cs-close { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--panel-border); background: var(--card); color: var(--text); font-size: 24px; cursor: pointer; }
.cs-work { flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) 400px; }
.cs-previewpane { min-height: 0; overflow: auto; display: grid; place-items: center; padding: 18px; background: color-mix(in srgb, var(--bg) 70%, #000 30%); }
#csCanvas { width: min(100%, calc((100vh - 230px) * 210 / 297)); aspect-ratio: 210 / 297; height: auto; background: #fff;
  box-shadow: 0 18px 50px rgba(0,0,0,.45); border-radius: 2px; touch-action: none; cursor: grab; }
#csCanvas:active { cursor: grabbing; }
.cs-controls { min-height: 0; overflow-y: auto; padding: 14px 16px 20px; border-left: 1px solid var(--panel-border); }
.cs-tabs { display: grid; grid-template-columns: repeat(5, auto); justify-content: space-between; gap: 4px; padding: 4px; border-radius: 12px; background: var(--card); border: 1px solid var(--panel-border); margin-bottom: 14px; }
.cs-tabs button { min-height: 38px; border: 0; border-radius: 9px; background: transparent; color: var(--muted); font-weight: 800; font-size: 12.5px; cursor: pointer; padding: 0 8px; }
.cs-tabs button.on { background: color-mix(in srgb, var(--accent) 24%, var(--bg-2)); color: var(--text); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 55%, transparent); }
.cs-field { margin: 0 0 14px; }
.cs-field > label { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; font-weight: 700; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .5px; }
.cs-field > label b { color: var(--text); text-transform: none; letter-spacing: 0; }
.cs-field input[type="text"], .cs-field select { width: 100%; min-height: 42px; padding: 0 12px; border-radius: 10px; font-size: 14px;
  background-color: var(--bg-2); color: var(--text); border: 1px solid var(--panel-border); }
.cs-field select option { background-color: var(--bg-2); color: var(--text); }
.cs-field input[type="text"]:focus, .cs-field select:focus { border-color: var(--accent); outline: none; }
.cs-field input[type="range"] { width: 100%; accent-color: var(--accent); min-height: 30px; }
.cs-seg, .cs-chips { display: flex; gap: 4px; flex-wrap: nowrap; }
.cs-seg.wrap, .cs-chips { flex-wrap: wrap; }
.cs-seg button, .cs-chips button, .cs-fonts button {
  flex: 1 1 auto; min-height: 36px; padding: 0 10px; border-radius: 9px; cursor: pointer; font-size: 12.5px; font-weight: 700;
  background: var(--card); color: var(--muted); border: 1px solid var(--panel-border); white-space: nowrap; }
.cs-seg button.on, .cs-chips button.on, .cs-fonts button.on { color: var(--text); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 20%, var(--bg-2)); }
.cs-chips { margin-bottom: 10px; }
.cs-fonts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.cs-fonts button { font-size: 15px; font-weight: 400; min-height: 44px; white-space: normal; line-height: 1.1; }
.cs-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.cs-row > .cs-field { flex: 1 1 150px; }
.cs-color { display: flex; flex-direction: column; gap: 6px; font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 14px; }
.cs-color input { width: 64px; height: 38px; padding: 2px; border-radius: 9px; border: 1px solid var(--panel-border); background: transparent; cursor: pointer; }
.cs-pals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.cs-pals button { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; padding: 6px; border-radius: 10px; cursor: pointer; background: var(--card); border: 1px solid var(--panel-border); color: var(--muted); font-size: 11.5px; font-weight: 700; }
.cs-pals button i { height: 16px; border-radius: 3px; border: 1px solid rgba(0,0,0,.12); }
.cs-pals button span { grid-column: 1 / -1; margin-top: 3px; }
.cs-pals button.on { border-color: var(--accent); color: var(--text); box-shadow: 0 0 0 2px var(--accent) inset; }
.cs-thumbs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.cs-thumb { display: flex; flex-direction: column; gap: 4px; padding: 5px; border-radius: 10px; cursor: pointer; background: var(--card); border: 1px solid var(--panel-border); color: var(--muted); font-size: 11px; font-weight: 700; line-height: 1.2; }
.cs-thumb canvas { width: 100%; height: auto; aspect-ratio: 210 / 297; border-radius: 4px; background: var(--tile); box-shadow: 0 3px 10px rgba(0,0,0,.3); }
.cs-thumb:hover { border-color: var(--accent); color: var(--text); }
.cs-thumb.on { border-color: var(--accent); color: var(--text); box-shadow: 0 0 0 2px var(--accent) inset; }
.cs-note { font-size: 12.5px; color: var(--muted); line-height: 1.45; margin: 0 0 12px; }
.cs-sel { margin-top: 6px; padding: 12px; border-radius: 12px; border: 1px dashed color-mix(in srgb, var(--accent) 55%, var(--panel-border)); }
.cs-sel-h { font-weight: 800; font-size: 13px; margin-bottom: 10px; }
.cs-btn { min-height: 42px; padding: 0 14px; border-radius: 10px; cursor: pointer; font-weight: 800; font-size: 13.5px; background: var(--card); color: var(--text); border: 1px solid var(--panel-border); }
.cs-btn:hover:not(:disabled) { border-color: var(--accent); }
.cs-btn:disabled { opacity: .5; cursor: progress; }
.cs-btn.primary { background: linear-gradient(135deg, #22c55e, #16a34a); color: #fff; border: 0; min-width: 180px; }
.cs-foot { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-top: 1px solid var(--panel-border); }
.cs-foot-info { flex: 1 1 auto; font-size: 13px; font-weight: 700; color: var(--muted); }
.cs-foot-btns { display: flex; gap: 8px; }
@media (max-width: 860px) {
  .cs-overlay { padding: 0; }
  .cs-panel { border-radius: 0; height: 100dvh; }
  .cs-head { padding: 10px 14px; }
  .cs-head p { display: none; }
  .cs-work { display: flex; flex-direction: column; overflow-y: auto; }
  /* The preview stays pinned while the controls scroll under it: every change is seen at once. */
  .cs-previewpane { position: sticky; top: 0; z-index: 3; padding: 10px; flex: 0 0 auto; }
  #csCanvas { width: auto; height: min(42dvh, 360px); }
  .cs-controls { border-left: 0; overflow: visible; padding: 12px 14px 24px; }
  .cs-tabs button { font-size: 12px; min-height: 42px; }
  .cs-field input[type="text"], .cs-field select { font-size: 16px; min-height: 46px; }
  .cs-seg button, .cs-chips button { min-height: 42px; font-size: 13.5px; }
  .cs-foot { flex-direction: column; align-items: stretch; gap: 8px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); }
  .cs-foot-info { text-align: center; }
  .cs-foot-btns > * { flex: 1 1 0; min-width: 0; }
  .cs-btn.primary { min-width: 0; }
}