/* ===========================
   PRODUCT.CSS — Template Preview Page
   =========================== */

/* ---------- PAGE HEADER ---------- */
.page-header {
  padding-top: calc(72px + var(--space-2xl));
  padding-bottom: var(--space-xl);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.page-header__heading {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.02em;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-md);
}

.page-header__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.page-header__breadcrumb a {
  color: var(--color-primary);
  transition: opacity var(--transition-fast);
}

.page-header__breadcrumb a:hover {
  opacity: 0.7;
}

.page-header__breadcrumb-sep {
  color: var(--color-text-light);
}


/* ---------- PRODUCT LAYOUT ---------- */
.product {
  padding-bottom: var(--space-5xl);
}

.product__layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--space-2xl);
  align-items: start;
}


/* ---------- LEFT: CONTROLS PANEL ---------- */
.product__controls {
  position: sticky;
  top: calc(72px + var(--space-xl));
}

.controls-panel {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-2xl);
}

.controls-panel__name {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
}

.controls-panel__category {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.controls-panel__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

/* Switcher sections */
.switcher {
  margin-bottom: var(--space-2xl);
}

.switcher:last-of-type {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.switcher__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

/* Colour palette switcher */
.palette-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.palette-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.palette-btn:hover {
  border-color: var(--color-text-light);
}

.palette-btn.active {
  border-color: var(--color-primary);
  background-color: rgba(45, 106, 79, 0.04);
}

.palette-btn__swatches {
  display: flex;
  gap: 3px;
  flex-shrink: 0;
}

.palette-btn__swatch {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

/* Font switcher */
.font-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.font-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.font-btn:hover {
  border-color: var(--color-text-light);
}

.font-btn.active {
  border-color: var(--color-primary);
  background-color: rgba(45, 106, 79, 0.04);
}

.font-btn__name {
  font-weight: var(--font-weight-medium);
}

.font-btn__preview {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

/* Price + Buy */
.controls-panel__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.controls-panel__price {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.controls-panel__price span {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-muted);
}

.controls-panel__buy {
  flex: 1;
  text-align: center;
}


/* ---------- RIGHT: IFRAME PREVIEW ---------- */
.product__preview {
  position: sticky;
  top: calc(72px + var(--space-xl));
}

.preview-frame {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  background-color: var(--color-white);
}

.preview-frame__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.65rem 1rem;
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.preview-frame__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-border);
}

.preview-frame__dot:nth-child(1) { background-color: #FF605C; }
.preview-frame__dot:nth-child(2) { background-color: #FFBD44; }
.preview-frame__dot:nth-child(3) { background-color: #00CA4E; }

.preview-frame__url {
  flex: 1;
  margin-left: 8px;
  padding: 0.3rem 0.75rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  background-color: var(--color-white);
  border-radius: var(--border-radius-full);
  border: 1px solid var(--color-border);
}

.preview-frame iframe {
  display: block;
  width: 100%;
  height: 70vh;
  min-height: 500px;
  border: none;
  background-color: var(--color-white);
}


/* ---------- RESPONSIVE ---------- */
@media (max-width: 1023px) {
  .product__layout {
    grid-template-columns: 1fr;
  }

  .product__controls {
    position: static;
    order: 1;
  }

  .product__preview {
    position: static;
    order: 0;
  }

  .preview-frame iframe {
    height: 50vh;
    min-height: 360px;
  }
}

@media (max-width: 639px) {
  .controls-panel {
    padding: var(--space-lg);
  }

  .palette-grid {
    grid-template-columns: 1fr;
  }

  .controls-panel__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .controls-panel__price {
    text-align: center;
  }
}