/* =========================================================
   Trang 2 — Customize Studio
   ========================================================= */

.s-layout {
  display: grid;
  gap: 28px;
  padding-block: 16px 48px;
  align-items: start;
}
@media (min-width: 1024px) {
  .s-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 44px; }
}

/* ---------- Preview column ---------- */
.s-preview {
  position: static;
}
@media (min-width: 1024px) {
  .s-preview { position: sticky; top: calc(var(--header-h) + 16px); }
}

.s-stage {
  position: relative;
  background: linear-gradient(180deg, var(--cream-50), #f1eee8);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 18px 18px;
  display: flex;
  gap: 18px;
  justify-content: center;
  align-items: flex-start;
}
.s-stage__printarea-badge {
  position: absolute; top: 14px; left: 14px;
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--white); border: 1px solid var(--line);
  color: var(--ink-700); font-size: 12.5px; font-weight: 700;
  padding: 5px 10px; border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
}
.s-stage__front { width: 32%; max-width: 128px; flex-shrink: 0; opacity: .92; }
.s-stage__front .calc-illust { width: 100%; }

.s-case {
  position: relative;
  width: 58%;
  max-width: 230px;
  flex-shrink: 0;
}
.s-case__shell { width: 100%; display: block; }
.s-case__shell .calc-back-illust { width: 100%; }

.s-printarea {
  position: absolute;
  border-radius: 10px;
  touch-action: none;
  -webkit-user-select: none; user-select: none;
}
.s-printarea__bg { position: absolute; inset: 0; border-radius: inherit; }
.s-printarea__guide {
  position: absolute; inset: 0;
  border: 1.5px dashed var(--guide-color, rgba(12, 33, 39, .38));
  border-radius: inherit;
  pointer-events: none;
}
.s-printarea__empty {
  position: absolute; inset: 10%;
  display: grid; place-items: center;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--guide-color, rgba(12, 33, 39, .4));
  pointer-events: none;
  text-transform: uppercase;
}

.s-layer {
  position: absolute;
  touch-action: none;
  cursor: grab;
  outline: none;
}
.s-layer:active { cursor: grabbing; }
.s-layer__img { width: 100%; height: 100%; object-fit: contain; pointer-events: none; -webkit-user-drag: none; }
.s-layer__text {
  width: 100%; height: 100%;
  display: flex;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.2;
  pointer-events: none;
}
.s-layer.is-selected { z-index: 50 !important; }
.s-layer__frame {
  position: absolute; inset: -3px;
  border: 2px solid var(--teal-600);
  border-radius: 8px;
  display: none;
  pointer-events: none;
}
.s-layer.is-selected .s-layer__frame { display: block; }
.s-handle {
  position: absolute;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--teal-600);
  display: none;
  pointer-events: auto;
  touch-action: none;
  box-shadow: var(--shadow-sm);
}
.s-layer.is-selected .s-handle { display: grid; place-items: center; }
.s-handle--resize { right: -11px; bottom: -11px; cursor: nwse-resize; }
.s-handle--rotate { left: 50%; top: -34px; transform: translateX(-50%); cursor: grab; }
.s-handle svg { width: 12px; height: 12px; pointer-events: none; }
.s-handle--delete { left: -11px; top: -11px; cursor: pointer; color: var(--coral-700); }

/* Slot (framed layout) specific chrome */
.s-slot {
  position: absolute;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 0 rgba(255,255,255,.9), var(--shadow-sm);
  border: 3px solid #fff;
  background: rgba(255,255,255,.35);
}
.s-slot__img { position: absolute; max-width: none; max-height: none; pointer-events: none; }
.s-slot__placeholder {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-size: 10px; font-weight: 800; color: rgba(12,33,39,.38);
  background: repeating-linear-gradient(45deg, rgba(12,33,39,.05) 0 6px, transparent 6px 12px);
}
.s-slot.is-selected { outline: 2px solid var(--teal-600); outline-offset: 2px; }
.s-slot-frame-deco { position: absolute; inset: 0; pointer-events: none; }

.s-stage-caption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--ink-500);
}
.s-stage-caption strong { color: var(--ink-700); font-weight: 700; }
.s-stage-caption__right { text-align: right; }

/* ---------- Panel ---------- */
.s-panel__eyebrow { color: var(--teal-700); font-weight: 800; letter-spacing: .08em; font-size: 12.5px; text-transform: uppercase; }
.s-panel__title { font-size: clamp(22px, 2.6vw, 27px); font-weight: 800; margin-top: 6px; letter-spacing: -.01em; }
.s-panel__desc { margin-top: 8px; color: var(--ink-500); font-size: 14px; line-height: 1.6; max-width: 52ch; }

.s-step {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.s-step:first-of-type { margin-top: 22px; }
.s-step__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.s-step__title { display: flex; align-items: center; gap: 10px; font-size: 14.5px; font-weight: 800; color: var(--ink-900); }
.s-step__num { width: 22px; height: 22px; border-radius: 7px; background: var(--ink-900); color: #fff; display: grid; place-items: center; font-size: 11.5px; flex-shrink: 0; }
.s-step__counter { font-size: 12px; color: var(--ink-500); font-variant-numeric: tabular-nums; }

.s-colors { display: flex; flex-wrap: wrap; gap: 10px; }
.s-color { display: inline-flex; align-items: center; gap: 8px; border: 1.5px solid var(--line); border-radius: var(--radius-pill); padding: 6px 14px 6px 6px; background: var(--white); font-size: 13.5px; font-weight: 600; }
.s-color__dot { width: 22px; height: 22px; border-radius: 50%; border: 1px solid rgba(12,33,39,.12); }
.s-color[aria-pressed="true"] { border-color: var(--teal-600); background: var(--teal-50); }
.s-step__hint { margin-top: 8px; font-size: 12px; color: var(--ink-500); line-height: 1.5; }

.s-tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.s-tab { flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px; padding: 10px 8px; font-size: 13.5px; font-weight: 700; color: var(--ink-500); background: transparent; border: 0; border-bottom: 2.5px solid transparent; }
.s-tab svg { width: 16px; height: 16px; }
.s-tab[aria-selected="true"] { color: var(--teal-700); border-color: var(--teal-600); }
.s-tabpanel[hidden] { display: none; }

.s-field-label { font-size: 12.5px; font-weight: 700; color: var(--ink-700); margin-bottom: 8px; display: block; }

.s-layoutmodes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.s-layoutmode {
  border: 1.5px solid var(--line); border-radius: var(--radius-md);
  padding: 10px 6px; background: var(--white); text-align: center;
  font-size: 12px; font-weight: 700; color: var(--ink-700); line-height: 1.3;
  min-height: 56px; display: flex; align-items: center; justify-content: center;
}
.s-layoutmode[aria-pressed="true"] { border-color: var(--teal-600); background: var(--teal-50); color: var(--ink-900); box-shadow: 0 0 0 3px var(--teal-100); }

.s-templates { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
.s-template {
  border: 1.5px solid var(--line); border-radius: var(--radius-md);
  background: var(--white); padding: 8px; text-align: center;
}
.s-template__thumb { width: 100%; aspect-ratio: 128/196; margin-bottom: 6px; }
.s-template__thumb svg { width: 100%; height: 100%; }
.s-template__name { font-size: 11px; font-weight: 700; color: var(--ink-700); }
.s-template[aria-pressed="true"] { border-color: var(--teal-600); box-shadow: 0 0 0 3px var(--teal-100); }

.s-reset-frames { margin-top: 10px; }

.s-upload-count { font-size: 12.5px; color: var(--ink-700); font-weight: 700; margin-top: 16px; }
.s-upload-zone {
  margin-top: 8px;
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
  background: var(--cream-50);
}
.s-upload-zone input[type="file"] { display: none; }
.s-upload-zone__help { font-size: 12.5px; color: var(--ink-500); margin-top: 8px; line-height: 1.5; }
.s-upload-error { margin-top: 8px; font-size: 12.5px; color: var(--coral-700); font-weight: 600; }

.s-bg-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 16px; }
.s-bg-swatch { aspect-ratio: 1; border-radius: 10px; border: 1.5px solid var(--line); position: relative; }
.s-bg-swatch[aria-pressed="true"] { border-color: var(--teal-600); box-shadow: 0 0 0 3px var(--teal-100); }
.s-bg-swatch--none { background: repeating-linear-gradient(45deg, #fff 0 6px, #eee 6px 12px); display: grid; place-items: center; font-size: 9px; font-weight: 800; color: var(--ink-500); }

.s-slot-tools { margin-top: 14px; display: flex; align-items: center; gap: 10px; }
.s-slot-tools[hidden] { display: none; }
.s-slot-tools label { font-size: 12px; color: var(--ink-500); font-weight: 600; flex-shrink: 0; }
.s-slot-tools input[type="range"] { flex: 1; accent-color: var(--teal-600); }

.s-layer-toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; align-items: center; }
.s-layer-toolbar .f1z-btn--ghost { padding: 8px 12px; font-size: 12.5px; min-height: 36px; }
.s-layer-toolbar__spacer { flex: 1; }
#sBtnClearAll.is-danger-armed { border-color: var(--coral-700); color: var(--coral-700); background: #fdf1ed; }
.s-empty-hint { margin-top: 14px; font-size: 12.5px; color: var(--ink-500); background: var(--cream-50); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 10px 12px; }

textarea.s-textarea {
  width: 100%; min-height: 72px; resize: vertical;
  border: 1.5px solid var(--line); border-radius: var(--radius-md);
  padding: 12px 14px; font-size: 15px;
}
textarea.s-textarea:focus { border-color: var(--teal-600); }

.s-text-row { display: grid; grid-template-columns: 1fr 90px; gap: 10px; margin-top: 14px; }
.s-select, .s-number {
  border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  padding: 9px 10px; font-size: 13.5px; background: var(--white);
}
.s-contrast-line { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.s-contrast-line__label { font-size: 12.5px; font-weight: 700; color: var(--ink-700); }
.s-contrast-line__ratio { font-variant-numeric: tabular-nums; }
.s-contrast-toggle { font-size: 12px; font-weight: 700; color: var(--teal-700); background: none; border: 0; text-decoration: underline; }

.s-swatchgrid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 7px; margin-top: 10px; }
.s-swatch {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  border: 1.5px solid rgba(12,33,39,.1);
}
.s-swatch[aria-pressed="true"] { outline: 2.5px solid var(--teal-600); outline-offset: 2px; }
.s-swatch__star { position: absolute; top: -5px; right: -5px; font-size: 10px; filter: drop-shadow(0 1px 1px rgba(0,0,0,.3)); }
.s-swatch--dim { opacity: .35; }

.s-text-opts { display: flex; align-items: center; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.s-iconbtn {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--line); background: var(--white);
  display: grid; place-items: center;
}
.s-iconbtn svg { width: 16px; height: 16px; }
.s-iconbtn[aria-pressed="true"] { border-color: var(--teal-600); background: var(--teal-50); color: var(--teal-700); }
.s-text-opts__spacer { flex: 1; }

.s-contrast-help {
  margin-top: 10px; font-size: 12.5px; color: var(--ink-500);
  background: var(--teal-50); border: 1px solid var(--teal-100);
  border-radius: var(--radius-sm); padding: 8px 10px; line-height: 1.5;
}

.s-save-help { margin-top: 10px; font-size: 12px; color: var(--ink-500); }
.s-save-warning { margin-top: 10px; font-size: 12.5px; color: var(--coral-700); font-weight: 600; }

.s-feature-row { margin-top: 30px; display: grid; gap: 12px; }
@media (min-width: 540px) { .s-feature-row { grid-template-columns: repeat(3, 1fr); } }
.s-feature-chip { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; color: var(--ink-700); }
.s-feature-chip svg { width: 18px; height: 18px; color: var(--teal-700); flex-shrink: 0; margin-top: 1px; }

/* ---------- Final preview modal ---------- */
.s-modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(12, 24, 28, .55);
  display: grid; place-items: center;
  padding: 16px;
}
.s-modal-overlay[hidden] { display: none; }
.s-modal {
  background: var(--white);
  border-radius: 24px;
  width: 100%;
  max-width: 760px;
  max-height: 92vh;
  overflow-y: auto;
  padding: 28px;
}
@media (max-width: 639px) {
  .s-modal { max-height: 100vh; height: 100%; border-radius: 0; padding: 20px; }
}
.s-modal__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.s-modal__head h2 { font-size: 19px; font-weight: 800; }
.s-modal__close { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--white); display: grid; place-items: center; flex-shrink: 0; }

.s-modal__body { margin-top: 18px; display: grid; gap: 22px; }
@media (min-width: 640px) { .s-modal__body { grid-template-columns: 1fr 1fr; align-items: start; } }
.s-modal__preview { background: var(--cream-50); border: 1px solid var(--line); border-radius: var(--radius-lg); display: grid; place-items: center; padding: 20px; }
.s-modal__preview img, .s-modal__preview canvas { max-width: 100%; max-height: 320px; border-radius: 10px; }

.s-summary { display: grid; gap: 10px; font-size: 13.5px; }
.s-summary__row { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--line); padding-bottom: 8px; }
.s-summary__row span:first-child { color: var(--ink-500); }
.s-summary__row span:last-child { font-weight: 700; text-align: right; }

.s-approve-note {
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--coral-700);
  background: #fff3ef;
  border: 1px solid #ffd9cb;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  line-height: 1.55;
}
.s-modal__actions { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.s-modal__actions .f1z-btn { flex: 1 1 200px; }

.s-progress { margin-top: 18px; display: none; }
.s-progress.is-active { display: block; }
.s-progress__track { height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; }
.s-progress__bar { height: 100%; width: 0%; background: var(--teal-600); transition: width .25s ease; }
.s-progress__label { font-size: 12px; color: var(--ink-500); margin-top: 8px; }

.s-order {
  display: none;
  text-align: center;
}
.s-order.is-active { display: block; }
.s-order__check { width: 56px; height: 56px; border-radius: 50%; background: var(--teal-50); color: var(--teal-700); display: grid; place-items: center; margin: 0 auto 14px; }
.s-order__check svg { width: 28px; height: 28px; }
.s-order h2 { font-size: 20px; font-weight: 800; }
.s-order p { font-size: 13.5px; color: var(--ink-500); margin-top: 8px; }
.s-order .s-summary { margin-top: 18px; text-align: left; }
.s-order__sim-note { margin-top: 14px; font-size: 12.5px; color: var(--ink-500); background: var(--cream-50); border-radius: var(--radius-sm); padding: 8px 10px; }
.s-order__actions { margin-top: 20px; display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

@media (max-width: 1023px) {
  .s-stage { padding: 46px 12px 14px; }
}
@media (max-width: 420px) {
  .s-swatchgrid { grid-template-columns: repeat(8, 1fr); gap: 5px; }
  .s-layoutmodes { grid-template-columns: repeat(2, 1fr); }
  .s-templates { grid-template-columns: repeat(2, 1fr); }
}