/* Cart sidebar shared styles (extracted from oni-mask-store.html) */
.cart-sidebar {
    --cart-w: 480px;
    --bg: #0f1115;
    --panel: #151821;
    --text: #e9eef5;
    --muted: #9aa3b2;
    --accent: #6ea8fe;
    --danger: #ff5c5c;
    --border: #222736;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
    --radius: 16px;
}

@media (max-width: 580px) {
    .cart-sidebar { --cart-w: 100%; }
}

.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .45);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
    z-index: 9998;
}
.cart-overlay.open { opacity: 1; pointer-events: auto; }

.cart-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: min(480px, 98vw);
    box-sizing: border-box;
    height: 100dvh;
    background: linear-gradient(180deg, #121623 0%, #0e1220 100%);
    color: var(--text);
    box-shadow: var(--shadow);
    transform: translateX(100%);
    transition: transform .3s cubic-bezier(.2, .8, .2, 1);
    z-index: 9999;
    display: grid;
    grid-template-rows: auto 1fr auto;
    border-left: 1px solid var(--border);
}
.cart-sidebar.open { transform: translateX(0); }

.cart-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
}
.cart-title { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.cart-title i { font-size: 1.1rem; color: var(--accent); }

.icon-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    cursor: pointer;
}
.icon-btn:hover { color: var(--text); border-color: #2c3347; }

.cart-content { overflow: auto; padding: 14px 16px; scrollbar-gutter: stable; }
.empty { color: var(--muted); text-align: center; margin-top: 18vh; }

.cart-item {
    display: grid;
    grid-template-columns: 72px 1fr auto;
    gap: 12px;
    padding: 12px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 10px;
}
.cart-item img {
    width: 72px; height: 72px; object-fit: cover; border-radius: 12px;
    border: 1px solid #1f2433; background: #0b0e16;
}
.ci-title { font-weight: 600; line-height: 1.25; }
.ci-meta { color: var(--muted); font-size: .9rem; margin-top: 4px; }
.qtybox { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.qtybox button { width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--border); background: #11162a; color: var(--text); cursor: pointer; }
.ci-price { font-weight: 700; white-space: nowrap; }
.remove-btn { display: inline-flex; align-items: center; gap: 6px; color: var(--danger); font-size: .9rem; cursor: pointer; margin-top: 6px; }

.shipping-box { margin-top: 12px; border: 1px solid var(--border); border-radius: var(--radius); background: #101523; padding: 12px; }
.shipping-box h3 { margin: 0 0 8px; font-size: 1rem; }
.addr-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.addr-fields input { background: #0d1222; color: var(--text); border: 1px solid var(--border); border-radius: 10px; padding: 10px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 14px; border-radius: 12px; cursor: pointer; border: 1px solid transparent; }
.btn.outline { border-color: #2b3350; background: #0f1426; color: #cfd7ff; }
.btn.outline:hover { border-color: #3a4470; }
.ship-opt { display: flex; gap: 10px; align-items: flex-start; border: 1px dashed #28304a; padding: 10px; border-radius: 12px; margin-top: 8px; }
.row.total { display: flex; justify-content: space-between; margin-top: 10px; font-weight: 600; }

.cart-foot { padding: 14px 16px; border-top: 1px solid var(--border); display: grid; gap: 10px; background: #0f1426c7; backdrop-filter: blur(6px); }
.summary-row { display: flex; justify-content: space-between; color: var(--muted); }
.grand { font-size: 1.1rem; font-weight: 800; color: var(--text); }
.btn.primary { background: linear-gradient(135deg, #6ea8fe, #8b88ff); color: #0c0f18; font-weight: 800; }
.btn.primary:hover { filter: brightness(1.05); }

@media (prefers-reduced-motion: reduce) {
    .cart-overlay, .cart-sidebar { transition: none; }
}