/* SoundGlow Cart UI — drawer + mini-cart
 * Pairs with /assets/js/cart.js + /assets/js/cart-drawer.js.
 * Inherits brand tokens from the host page when available; otherwise falls
 * back to its own copies so the drawer renders correctly even if loaded
 * onto a page without the SoundGlow brand variables defined.
 */

:root {
  --sg-cart-bg: #07060f;
  --sg-cart-card: #0d0b1e;
  --sg-cart-purple: #a855f7;
  --sg-cart-pink: #ec4899;
  --sg-cart-cyan: #22d3ee;
  --sg-cart-white: #f0eeff;
  --sg-cart-light: #c4bfe8;
  --sg-cart-muted: #9b96b8;
  --sg-cart-dim: #6b6980;
  --sg-cart-border: rgba(255, 255, 255, 0.06);
  --sg-cart-border-purple: rgba(168, 85, 247, 0.2);
}

body.sg-cart-locked {
  overflow: hidden;
}

/* ── Backdrop ───────────────────────────────────────────────────────── */
.sg-cart-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 6, 15, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 9998;
}
.sg-cart-backdrop--visible {
  opacity: 1;
  pointer-events: auto;
}

/* ── Drawer ─────────────────────────────────────────────────────────── */
.sg-cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 420px;
  background: var(--sg-cart-card);
  border-left: 1px solid var(--sg-cart-border-purple);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 9999;
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--sg-cart-white);
}
.sg-cart-drawer--open {
  transform: translateX(0);
}

/* ── Header ─────────────────────────────────────────────────────────── */
.sg-cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid var(--sg-cart-border);
  flex-shrink: 0;
}
.sg-cart-drawer__title {
  font-family: 'Bebas Neue', 'Space Grotesk', sans-serif;
  font-size: 22px;
  letter-spacing: 0.05em;
  margin: 0;
  color: var(--sg-cart-white);
  font-weight: 400;
}
.sg-cart-drawer__close {
  background: transparent;
  border: none;
  color: var(--sg-cart-light);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  padding: 0;
}
.sg-cart-drawer__close:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--sg-cart-white);
}

/* ── Items ──────────────────────────────────────────────────────────── */
.sg-cart-drawer__items {
  flex: 1;
  overflow-y: auto;
  padding: 8px 20px;
}
.sg-cart-drawer__item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--sg-cart-border);
  align-items: flex-start;
}
.sg-cart-drawer__item:last-child {
  border-bottom: none;
}
.sg-cart-drawer__item-img {
  width: 64px;
  height: 64px;
  background: var(--sg-cart-bg);
  border: 1px solid var(--sg-cart-border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  overflow: hidden;
  flex-shrink: 0;
}
.sg-cart-drawer__item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--sg-cart-bg);
}
.sg-cart-drawer__item-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.sg-cart-drawer__item-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--sg-cart-white);
  line-height: 1.3;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.sg-cart-drawer__item-variant {
  font-size: 12px;
  color: var(--sg-cart-muted);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.sg-cart-drawer__item-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}
.sg-cart-drawer__qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--sg-cart-border-purple);
  border-radius: 6px;
  overflow: hidden;
}
.sg-cart-drawer__qty-btn {
  background: transparent;
  border: none;
  color: var(--sg-cart-light);
  width: 28px;
  height: 28px;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  padding: 0;
}
.sg-cart-drawer__qty-btn:hover {
  background: rgba(168, 85, 247, 0.12);
  color: var(--sg-cart-purple);
}
.sg-cart-drawer__qty-num {
  font-size: 13px;
  font-weight: 600;
  padding: 0 8px;
  min-width: 24px;
  text-align: center;
}
.sg-cart-drawer__remove {
  background: transparent;
  border: none;
  color: var(--sg-cart-dim);
  font-size: 11px;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.15s;
  font-family: inherit;
}
.sg-cart-drawer__remove:hover {
  color: #fca5a5;
}
.sg-cart-drawer__item-price {
  font-size: 14px;
  font-weight: 700;
  color: var(--sg-cart-purple);
  white-space: nowrap;
}

/* ── Empty state ────────────────────────────────────────────────────── */
.sg-cart-drawer__empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}
.sg-cart-drawer__empty-title {
  font-size: 16px;
  color: var(--sg-cart-light);
  margin: 0 0 6px;
}
.sg-cart-drawer__empty-hint {
  font-size: 13px;
  color: var(--sg-cart-muted);
  margin: 0;
}

/* ── Footer ─────────────────────────────────────────────────────────── */
.sg-cart-drawer__footer {
  padding: 20px;
  border-top: 1px solid var(--sg-cart-border);
  flex-shrink: 0;
  background: var(--sg-cart-card);
}
.sg-cart-drawer__totals {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 14px;
  color: var(--sg-cart-light);
  margin-bottom: 4px;
}
.sg-cart-drawer__totals strong {
  font-size: 18px;
  font-weight: 700;
  color: var(--sg-cart-white);
}
.sg-cart-drawer__shipping-note {
  font-size: 11px;
  color: var(--sg-cart-dim);
  margin: 0 0 14px;
}
.sg-cart-drawer__checkout {
  display: block;
  width: 100%;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--sg-cart-purple), var(--sg-cart-pink));
  color: white;
  text-align: center;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(168, 85, 247, 0.3);
  transition: opacity 0.15s, transform 0.15s;
  font-family: inherit;
}
.sg-cart-drawer__checkout:hover {
  opacity: 0.9;
}
.sg-cart-drawer__checkout:active {
  transform: scale(0.98);
}

/* ── Mini cart (button + count badge) ───────────────────────────────── */
.sg-mini-cart {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sg-cart-border);
  border-radius: 8px;
  color: var(--sg-cart-light);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  font-family: inherit;
  padding: 0;
}
.sg-mini-cart:hover {
  background: rgba(168, 85, 247, 0.08);
  border-color: var(--sg-cart-border-purple);
  color: var(--sg-cart-purple);
}
.sg-mini-cart__count {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  background: linear-gradient(135deg, var(--sg-cart-purple), var(--sg-cart-pink));
  color: white;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.sg-mini-cart__count--hidden {
  display: none;
}

/* ── Tablet / phone (≤ 768px) ───────────────────────────────────────── */
@media (max-width: 768px) {
  .sg-cart-drawer {
    max-width: none;
  }
  .sg-cart-drawer__header {
    padding: 14px 16px;
  }
  .sg-cart-drawer__title {
    font-size: 20px;
  }
  .sg-cart-drawer__close {
    width: 44px;
    height: 44px;
    font-size: 30px;
  }
  .sg-cart-drawer__items {
    padding: 4px 16px;
  }
  .sg-cart-drawer__item {
    grid-template-columns: 56px 1fr auto;
    gap: 10px;
    padding: 14px 0;
  }
  .sg-cart-drawer__item-img {
    width: 56px;
    height: 56px;
  }
  .sg-cart-drawer__item-controls {
    gap: 14px;
    margin-top: 6px;
  }
  .sg-cart-drawer__qty-btn {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  .sg-cart-drawer__qty-num {
    padding: 0 10px;
    font-size: 14px;
  }
  .sg-cart-drawer__remove {
    font-size: 12px;
    padding: 4px 0;
  }
  .sg-cart-drawer__footer {
    padding: 16px;
    /* Safe-area inset for iPhone home-indicator */
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
  }
  .sg-cart-drawer__totals {
    font-size: 15px;
  }
  .sg-cart-drawer__totals strong {
    font-size: 19px;
  }
  .sg-cart-drawer__checkout {
    padding: 16px 20px;
    font-size: 15px;
  }
}

/* ── Small phone (≤ 380px) — stack price below for cramped widths ───── */
@media (max-width: 380px) {
  .sg-cart-drawer__item {
    grid-template-columns: 56px 1fr;
    grid-template-rows: auto auto;
    column-gap: 10px;
    row-gap: 6px;
  }
  .sg-cart-drawer__item-img {
    grid-column: 1;
    grid-row: 1 / span 2;
  }
  .sg-cart-drawer__item-info {
    grid-column: 2;
    grid-row: 1;
  }
  .sg-cart-drawer__item-price {
    grid-column: 2;
    grid-row: 2;
    text-align: left;
    font-size: 15px;
    align-self: end;
  }
}
