/* ==========================================================================
   JetPC PC Builder — Builder-Specific Dark Theme Styles
   ========================================================================== */

/* ---------- Builder Layout ---------- */
.builder-layout {
  display: grid;
  grid-template-columns: 260px 1fr 320px;
  gap: 24px;
  padding: 24px 0 60px;
  min-height: calc(100vh - 200px);
}

/* ---------- Category Sidebar ---------- */
.builder-sidebar {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  position: sticky;
  top: 80px;
  align-self: start;
}
.builder-sidebar h3 {
  font-size: .8rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: .5px;
  margin-bottom: 12px;
  padding: 0 8px;
}
.cat-btn {
  display: flex; align-items: center; gap: 10px;
  width: 100%; text-align: left; padding: 10px 12px;
  border: none; border-radius: var(--radius); background: transparent;
  color: var(--text-secondary); font-size: .9rem; cursor: pointer;
  transition: all .2s; margin-bottom: 2px;
}
.cat-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.cat-btn.active { background: var(--accent); color: #fff; }
.cat-btn .cat-icon { font-size: 1.1rem; width: 24px; text-align: center; }
.cat-btn .cat-count { margin-left: auto; font-size: .75rem; background: rgba(255,255,255,.1); padding: 2px 8px; border-radius: 10px; }
.cat-btn.active .cat-count { background: rgba(255,255,255,.25); }

/* ---------- Parts Grid ---------- */
.builder-main { min-width: 0; }
.builder-toolbar {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap;
}
.search-box {
  flex: 1; min-width: 200px; position: relative;
}
.search-box input {
  width: 100%; padding: 10px 14px 10px 38px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--bg-secondary);
  color: var(--text-primary); font-size: .9rem;
}
.search-box input:focus { outline: none; border-color: var(--accent); }
.search-box::before {
  content: '\26B2'; position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-secondary); font-size: .9rem; pointer-events: none;
}
.sort-select {
  padding: 10px 14px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--bg-secondary); color: var(--text-primary); font-size: .85rem; cursor: pointer;
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

/* ---------- Part Card (Builder) ---------- */
.part-card .card-img {
  height: 140px; display: flex; align-items: center; justify-content: center;
  background: var(--bg-hover); border-radius: 6px; margin-bottom: 12px;
}
.part-card .card-img img { max-height: 100%; width: auto; object-fit: contain; }
.part-specs { font-size: .8rem; color: var(--text-secondary); margin-bottom: 10px; }
.part-specs span { display: inline-block; background: var(--bg-hover); padding: 2px 8px; border-radius: 4px; margin: 2px 4px 2px 0; }

/* Price comparison inside part card */
.price-compare { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.price-compare .supplier-row { display: flex; justify-content: space-between; font-size: .8rem; padding: 3px 0; }
.price-compare .supplier-row .sup-name { color: var(--text-secondary); }
.price-compare .supplier-row .sup-price { font-weight: 600; }
.price-compare .supplier-row.cheapest .sup-price { color: var(--green); }

/* Quantity selector */
.qty-selector { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.qty-btn {
  width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--bg-secondary); color: var(--text-primary); font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: all .2s;
}
.qty-btn:hover { border-color: var(--accent); color: var(--accent); }
.qty-value { font-weight: 600; min-width: 24px; text-align: center; }

/* ---------- Selected Parts List (Summary Panel) ---------- */
.selected-parts-list { margin-bottom: 16px; }
.selected-part-item {
  display: flex; align-items: center; gap: 8px; padding: 8px 0;
  border-bottom: 1px solid var(--border); font-size: .85rem;
}
.selected-part-item:last-child { border-bottom: none; }
.selected-part-item .sp-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.selected-part-item .sp-price { color: var(--green); font-weight: 600; white-space: nowrap; }
.selected-part-item .sp-remove {
  background: none; border: none; color: var(--red); cursor: pointer; font-size: 1.1rem; padding: 2px 4px; opacity: .6;
}
.selected-part-item .sp-remove:hover { opacity: 1; }

/* ---------- GST Toggle ---------- */
.gst-toggle { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--text-secondary); margin-bottom: 16px; }
.toggle-switch {
  position: relative; width: 40px; height: 22px; background: var(--border); border-radius: 11px;
  cursor: pointer; transition: background .2s;
}
.toggle-switch.on { background: var(--accent); }
.toggle-switch::after {
  content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px;
  background: #fff; border-radius: 50%; transition: transform .2s;
}
.toggle-switch.on::after { transform: translateX(18px); }

/* ---------- Compatibility Errors (Builder) ---------- */
.compat-errors { margin-top: 16px; }
.compat-error {
  display: flex; align-items: start; gap: 8px; padding: 10px 12px; margin-bottom: 8px;
  background: rgba(248,81,73,.1); border: 1px solid rgba(248,81,73,.25); border-radius: var(--radius); font-size: .85rem; color: var(--red);
}
.compat-error::before { content: '\2716'; font-weight: bold; flex-shrink: 0; }

.quote-notice {
  margin: 0 0 24px; padding: 14px 16px; border: 1px solid rgba(0,212,255,.28);
  border-radius: var(--radius); background: rgba(0,212,255,.08); color: #c5e0ec; font-size: .9rem;
}
.quote-notice strong { color: #8be6f2; }

/* ---------- Submit Page Styles ---------- */
.submit-layout { display: grid; grid-template-columns: 1fr 380px; gap: 32px; padding: 40px 0 60px; }
.order-summary-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; position: sticky; top: 80px; align-self: start; }
.option-card { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; transition: all .2s; margin-bottom: 8px; }
.option-card:hover { border-color: var(--accent); }
.option-card.selected { border-color: var(--accent); background: rgba(0,212,255,.08); }
.option-card input[type="radio"] { accent-color: var(--accent); }
.option-card .opt-info { flex: 1; }
.option-card .opt-label { font-weight: 600; font-size: .9rem; }
.option-card .opt-desc { font-size: .8rem; color: var(--text-secondary); }
.option-card .opt-price { font-weight: 700; color: var(--green); }

/* ---------- Preset Cards (Homepage) ---------- */
.preset-card .preset-specs { text-align: left; list-style: none; margin: 16px 0; padding: 0; }
.preset-card .preset-specs li { padding: 5px 0; font-size: .85rem; color: var(--text-secondary); border-bottom: 1px solid var(--border); }
.preset-card .preset-specs li strong { color: var(--text-primary); }

/* ---------- Loading Spinner ---------- */
.spinner { display: inline-block; width: 20px; height: 20px; border: 3px solid rgba(255,255,255,.2); border-top-color: var(--accent); border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-state { text-align: center; padding: 48px 24px; color: var(--text-secondary); }

/* ---------- Modal / Overlay ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.65); z-index: 200; display: none; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; max-width: 600px; width: 90%; max-height: 85vh; overflow-y: auto; }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.modal-close { background: none; border: none; color: var(--text-secondary); font-size: 1.5rem; cursor: pointer; }
.modal-close:hover { color: var(--text-primary); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .builder-layout { grid-template-columns: 220px 1fr 280px; }
}
@media (max-width: 768px) {
  .builder-layout {
    grid-template-columns: 1fr;
    display: flex; flex-direction: column;
  }
  .builder-sidebar { position: static; display: flex; overflow-x: auto; gap: 0; padding: 12px; }
  .builder-sidebar h3 { display: none; }
  .cat-btn { white-space: nowrap; margin-bottom: 0; }
  .cat-btn .cat-count { display: none; }
  .submit-layout { grid-template-columns: 1fr; }
  .order-summary-card { position: static; }
  .parts-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
}

/* ==========================================================================
   Checkout / Submit Page Styles
   ========================================================================== */

.checkout-section { padding-top: 16px; }

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 32px;
  padding: 0 0 60px;
}

.summary-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: .9rem;
  padding: 6px 0;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  font-size: 1.25rem;
  font-weight: 700;
  padding-top: 14px;
  margin-top: 10px;
  border-top: 2px solid var(--accent);
  color: var(--accent);
}

/* Delivery options */
.delivery-options { margin-bottom: 8px; }
.delivery-option {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; border: 1px solid var(--border);
  border-radius: var(--radius); cursor: pointer; transition: all .2s;
  margin-bottom: 8px;
}
.delivery-option:hover { border-color: var(--accent); }
.delivery-option.active { border-color: var(--accent); background: rgba(0,212,255,.08); }
.delivery-option input[type="radio"] { accent-color: var(--accent); flex-shrink: 0; }
.delivery-option div strong { font-size: .9rem; display: block; }
.delivery-option div span { font-size: .8rem; color: var(--text-secondary); }

/* Optional services checkboxes */
.service-checkbox {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border: 1px solid var(--border);
  border-radius: var(--radius); cursor: pointer; transition: all .2s;
  margin-bottom: 8px; font-size: .9rem;
}
.service-checkbox:hover { border-color: var(--accent); }
.service-checkbox input[type="checkbox"] { accent-color: var(--accent); }

/* Form labels */
.form-label { display: block; font-size: .85rem; color: var(--text-secondary); margin-bottom: 4px; }

/* ==========================================================================
   Responsive for Checkout
   ========================================================================== */
@media (max-width: 1024px) {
  .checkout-layout { grid-template-columns: 1fr; }
}