/* ── Catalog Public Styles ──────────────────────────────── */
:root {
    --catalog-primary: #2563eb;
    --catalog-primary-hover: #1d4ed8;
    --catalog-bg: #f8fafc;
    --catalog-card-bg: #ffffff;
    --catalog-text: #1e293b;
    --catalog-muted: #64748b;
    --catalog-border: #e2e8f0;
    --catalog-radius: .75rem;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--catalog-bg);
    color: var(--catalog-text);
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Navbar ── */
.catalog-navbar {
    background: #fff;
    border-bottom: 1px solid var(--catalog-border);
    padding: .5rem 1rem;
    position: sticky;
    top: 0;
    z-index: 1020;
    box-shadow: 0 1px 3px rgba(0,0,0,.05);
}

.catalog-nav-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
}

.catalog-nav-actions {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-shrink: 0;
}

.catalog-nav-search {
    margin-top: .5rem;
}

.catalog-nav-search .input-group {
    max-width: 100%;
}

.catalog-brand {
    text-decoration: none;
    color: var(--catalog-primary);
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: .4rem;
    white-space: nowrap;
    min-width: 0;
    overflow: hidden;
}
.catalog-brand:hover { color: var(--catalog-primary-hover); }
.catalog-brand img { flex-shrink: 0; }
.catalog-brand span {
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}
@media (min-width: 768px) {
    .catalog-brand { font-size: 1.25rem; }
    .catalog-brand span { max-width: none; }
}

.catalog-nav-search .input-group-text {
    background: transparent;
    border-right: 0;
}
.catalog-nav-search .form-control {
    border-left: 0;
}
.catalog-nav-search .form-control:focus {
    box-shadow: none;
    border-color: var(--catalog-primary);
}

/* Desktop: brand | search | actions in one row */
@media (min-width: 768px) {
    .catalog-nav-top {
        display: contents;
    }
    .catalog-navbar .container-xxl {
        display: flex;
        align-items: center;
        gap: 1rem;
    }
    .catalog-brand {
        order: 1;
        flex-shrink: 0;
    }
    .catalog-nav-search {
        order: 2;
        margin-top: 0;
        flex: 1;
        max-width: 600px;
    }
    .catalog-nav-actions {
        order: 3;
        margin-left: auto;
    }
}

/* ── Main ── */
.catalog-main {
    flex: 1;
    padding: 1.5rem 0;
}

/* ── Footer ── */
.catalog-footer {
    padding: 1rem 0;
    border-top: 1px solid var(--catalog-border);
    margin-top: 2rem;
}

/* ── Infinite Scroll ── */
.catalog-scroll-sentinel { padding: 2rem 0; text-align: center; }
.catalog-scroll-loader {
    display: inline-flex; align-items: center; gap: .5rem;
    font-size: .85rem; color: var(--catalog-muted);
}
.catalog-scroll-end { opacity: .6; }

/* ── Filters / Chips ── */
.catalog-filters {
    display: flex;
    gap: .5rem;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: .25rem;
    position: relative;
}
.catalog-filters::-webkit-scrollbar { display: none; }

/* Scroll hint: fade edge + bounce animation on mobile */
@media (max-width: 767px) {
    .catalog-filters {
        -webkit-mask-image: linear-gradient(to right, #000 80%, transparent 100%);
        mask-image: linear-gradient(to right, #000 80%, transparent 100%);
    }
    .catalog-filters.scrolled {
        -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 5%, #000 80%, transparent 100%);
        mask-image: linear-gradient(to right, transparent 0%, #000 5%, #000 80%, transparent 100%);
    }
    .catalog-filters.scroll-end {
        -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 5%, #000 100%);
        mask-image: linear-gradient(to right, transparent 0%, #000 5%, #000 100%);
    }
    .catalog-filters.hint-bounce {
        animation: chipScrollHint .8s ease-in-out;
    }
    @keyframes chipScrollHint {
        0% { transform: translateX(0); }
        30% { transform: translateX(-24px); }
        60% { transform: translateX(6px); }
        100% { transform: translateX(0); }
    }

.catalog-brand {
    font-size: 9pt;
    white-space: normal;
}

}

.catalog-chip {
    display: inline-block;
    padding: .35rem .85rem;
    border-radius: 2rem;
    font-size: .82rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    background: #fff;
    color: var(--catalog-muted);
    border: 1px solid var(--catalog-border);
    transition: all .15s;
}
.catalog-chip:hover {
    border-color: var(--catalog-primary);
    color: var(--catalog-primary);
}
.catalog-chip.active {
    background: var(--catalog-primary);
    border-color: var(--catalog-primary);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(37,99,235,.35);
    pointer-events: auto;
}

/* ── Product Card ── */
.catalog-card {
    background: var(--catalog-card-bg);
    border: 1px solid var(--catalog-border);
    border-radius: var(--catalog-radius);
    overflow: hidden;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: box-shadow .15s, transform .15s;
}
.catalog-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.08);
    transform: translateY(-2px);
}

.catalog-card-img-wrap {
    display: block;
    aspect-ratio: 1;
    overflow: hidden;
    background: #f1f5f9;
    position: relative;
}
.catalog-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .2s;
}
.catalog-card:hover .catalog-card-img-wrap img {
    transform: scale(1.05);
}

/* Stock status badge on cards */
.catalog-stock-badge {
    position: absolute;
    top: .4rem;
    left: .4rem;
    padding: .15rem .5rem;
    border-radius: 1rem;
    font-size: .62rem;
    font-weight: 700;
    letter-spacing: .02em;
    line-height: 1.4;
    z-index: 2;
    backdrop-filter: blur(4px);
}
.catalog-stock-badge.stock-ok {
    background: rgba(34,197,94,.15);
    color: #22c55e;
    border: 1px solid rgba(34,197,94,.25);
}
.catalog-stock-badge.stock-low {
    background: rgba(245,158,11,.15);
    color: #f59e0b;
    border: 1px solid rgba(245,158,11,.25);
}
.catalog-stock-badge.stock-critical {
    background: rgba(239,68,68,.15);
    color: #ef4444;
    border: 1px solid rgba(239,68,68,.25);
    animation: stockPulse 2s ease-in-out infinite;
}
.catalog-stock-badge.stock-out {
    background: rgba(239,68,68,.2);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,.3);
    text-decoration: line-through;
}
@keyframes stockPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .6; }
}
.catalog-card-no-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cbd5e1;
    font-size: 2.5rem;
}

.catalog-card-body {
    padding: .75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.catalog-card-title {
    font-weight: 600;
    font-size: .85rem;
    color: var(--catalog-text);
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
    margin-bottom: .25rem;
}
.catalog-card-title:hover { color: var(--catalog-primary); }

.catalog-card-code {
    font-size: .72rem;
    color: var(--catalog-muted);
    margin-bottom: .35rem;
}

.catalog-card-price {
    font-weight: 700;
    font-size: 1rem;
    color: var(--catalog-primary);
    margin-top: auto;
}

.catalog-card-unit {
    font-size: .72rem;
}

.catalog-add-btn {
    position: absolute;
    bottom: .6rem;
    right: .6rem;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: none;
    background: var(--catalog-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    opacity: 1;
    transform: scale(1);
    transition: opacity .15s, transform .15s, background .15s, box-shadow .15s;
    box-shadow: 0 2px 8px rgba(37,99,235,.3);
}
.catalog-card:hover .catalog-add-btn {
    box-shadow: 0 4px 14px rgba(37,99,235,.5);
    transform: scale(1.1);
}
.catalog-add-btn:hover {
    background: var(--catalog-primary-hover);
}
.catalog-add-btn:active {
    transform: scale(.9);
}

/* ── Detail Page ── */
.catalog-detail-img {
    border-radius: var(--catalog-radius);
    overflow: hidden;
    background: #f1f5f9;
}
.catalog-detail-img img {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
}
.catalog-detail-no-img {
    width: 100%;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cbd5e1;
    font-size: 5rem;
}

.catalog-detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: .5rem;
}

.catalog-detail-price {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--catalog-primary);
}

.catalog-detail-table th {
    font-weight: 500;
    color: var(--catalog-muted);
    width: 130px;
    font-size: .875rem;
}
.catalog-detail-table td {
    font-size: .875rem;
}

.catalog-qty-input {
    max-width: 70px;
}

/* ── Cart Badge ── */
.catalog-cart-badge {
    font-size: .65rem;
    min-width: 18px;
}

/* ── Cart Offcanvas Items ── */
.catalog-cart-item {
    display: flex;
    gap: .5rem;
    padding: .5rem 0;
    border-bottom: 1px solid var(--catalog-border);
    align-items: center;
}
.catalog-cart-item-img {
    width: 40px;
    height: 40px;
    border-radius: .4rem;
    overflow: hidden;
    background: #f1f5f9;
    flex-shrink: 0;
}
.catalog-cart-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.catalog-cart-item-img .bi {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #cbd5e1;
    font-size: 1rem;
}
.catalog-cart-item-info {
    flex: 1;
    min-width: 0;
}
.catalog-cart-item-name {
    font-weight: 600;
    font-size: .78rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}
.catalog-cart-item-price {
    font-size: .72rem;
    color: var(--catalog-muted);
    line-height: 1.2;
}
.catalog-cart-item-qty {
    display: flex;
    align-items: center;
    gap: .2rem;
    flex-shrink: 0;
}
.catalog-cart-item-qty button {
    width: 22px;
    height: 22px;
    border-radius: .2rem;
    border: 1px solid var(--catalog-border);
    background: #fff;
    font-size: .7rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.catalog-cart-item-qty span {
    min-width: 20px;
    text-align: center;
    font-weight: 600;
    font-size: .78rem;
}
.catalog-cart-qty-input {
    width: 36px;
    text-align: center;
    font-weight: 600;
    font-size: .78rem;
    border: 1px solid var(--catalog-border);
    border-radius: .2rem;
    padding: .1rem;
    background: transparent;
    color: inherit;
    -moz-appearance: textfield;
}
.catalog-cart-qty-input::-webkit-outer-spin-button,
.catalog-cart-qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.catalog-cart-qty-input:focus { outline: none; border-color: var(--catalog-primary); }
.catalog-cart-item-remove {
    color: #ef4444;
    background: none;
    border: none;
    cursor: pointer;
    font-size: .82rem;
    padding: .15rem;
    flex-shrink: 0;
}
.catalog-cart-item-remove:hover {
    color: #dc2626;
}

/* ── Toast notification — Circular display inspired ── */
.catalog-toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%) scale(.3);
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: transform .5s cubic-bezier(.175,.885,.32,1.275), opacity .35s ease;
    width: 180px;
    height: 180px;
    border-radius: 50%;
}
.catalog-toast.show {
    transform: translateX(-50%) scale(1);
    opacity: 1;
    pointer-events: auto;
}
/* Outer ring container */
.catalog-toast-ring {
    position: relative;
    width: 180px;
    height: 180px;
}
/* SVG progress ring */
.catalog-toast-ring svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 180px;
    height: 180px;
    transform: rotate(-90deg);
    filter: drop-shadow(0 0 8px rgba(34,197,94,.5));
}
.catalog-toast-ring-bg {
    fill: none;
    stroke: rgba(255,255,255,.08);
    stroke-width: 4;
}
.catalog-toast-ring-fill {
    fill: none;
    stroke: url(#toastRingGrad);
    stroke-width: 5;
    stroke-linecap: round;
    stroke-dasharray: 534;
    stroke-dashoffset: 0;
    animation: ringCountdown 2.5s linear forwards;
}
@keyframes ringCountdown {
    from { stroke-dashoffset: 0; }
    to { stroke-dashoffset: 534; }
}
/* Inner disc */
.catalog-toast-disc {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 164px;
    height: 164px;
    border-radius: 50%;
    overflow: hidden;
    background: #0f172a;
    box-shadow: inset 0 0 30px rgba(0,0,0,.6), 0 12px 40px rgba(0,0,0,.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}
/* Background product image */
.catalog-toast-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: .45;
    transition: opacity .3s;
}
.catalog-toast-bg.no-img {
    background: radial-gradient(circle, #1e293b, #0f172a);
    opacity: 1;
}
.catalog-toast-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.85) 0%, rgba(0,0,0,.2) 50%, rgba(0,0,0,.4) 100%);
}
/* Green badge — top center */
.catalog-toast-badge {
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    box-shadow: 0 4px 20px rgba(34,197,94,.5), 0 0 0 3px rgba(15,23,42,.9);
    z-index: 3;
    animation: badgeDrop .5s .05s cubic-bezier(.175,.885,.32,1.275) both;
}
@keyframes badgeDrop {
    0% { transform: translateX(-50%) scale(0) translateY(-20px); }
    100% { transform: translateX(-50%) scale(1) translateY(0); }
}
/* Overlay info */
.catalog-toast-info {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 14px 14px;
    width: 100%;
}
.catalog-toast-name {
    font-size: .78rem;
    font-weight: 700;
    color: #f8fafc;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-shadow: 0 1px 4px rgba(0,0,0,.7);
    margin-bottom: 4px;
}
.catalog-toast-meta {
    font-size: .92rem;
    font-weight: 800;
    color: #fff;
    text-shadow: 0 1px 4px rgba(0,0,0,.7);
    letter-spacing: -.02em;
}
.catalog-toast-label {
    font-size: .62rem;
    font-weight: 700;
    color: #4ade80;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-top: 2px;
}
/* No-image icon */
.catalog-toast-noimg {
    position: relative;
    z-index: 2;
    font-size: 2.2rem;
    color: #334155;
    margin-top: 16px;
    margin-bottom: auto;
}
/* Generic (non-cart) toast */
.catalog-toast-generic {
    width: auto;
    height: auto;
    bottom: 2rem;
}
.catalog-toast-generic .catalog-toast-strip {
    display: flex;
    align-items: center;
    gap: .6rem;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    padding: .55rem 1.1rem;
    border-radius: 2rem;
    box-shadow: 0 8px 32px rgba(0,0,0,.4);
    white-space: nowrap;
}
.catalog-toast-generic .catalog-toast-strip i {
    color: #4ade80;
    font-size: 1rem;
}
.catalog-toast-generic .catalog-toast-msg {
    font-size: .82rem;
    font-weight: 500;
    color: #e2e8f0;
}

/* Cart summary badge in offcanvas title */
.catalog-cart-summary {
    font-size: .7rem;
    font-weight: 400;
    color: var(--catalog-muted);
    margin-left: .35rem;
    vertical-align: middle;
}

/* ── Responsive ── */
@media (max-width: 576px) {
    .catalog-navbar { padding: .4rem .75rem; }
    .catalog-nav-search { margin-top: .4rem; }
    .catalog-nav-search .form-control { font-size: .9rem; }
    .catalog-main { padding: .75rem 0; }
    .catalog-detail-title { font-size: 1.2rem; }
    .catalog-detail-price { font-size: 1.3rem; }
}

/* ── Dark Mode ── */
[data-bs-theme="dark"] {
    --catalog-bg: #0f172a;
    --catalog-card-bg: #1e293b;
    --catalog-text: #e2e8f0;
    --catalog-muted: #94a3b8;
    --catalog-border: #334155;
}
[data-bs-theme="dark"] body {
    background: var(--catalog-bg);
    color: var(--catalog-text);
}
[data-bs-theme="dark"] .catalog-navbar {
    background: #1e293b;
    border-color: var(--catalog-border);
}
[data-bs-theme="dark"] .catalog-chip {
    background: #1e293b;
    color: var(--catalog-muted);
    border-color: var(--catalog-border);
}
[data-bs-theme="dark"] .catalog-chip:hover {
    color: var(--catalog-primary);
    border-color: var(--catalog-primary);
}
[data-bs-theme="dark"] .catalog-chip.active {
    background: var(--catalog-primary);
    border-color: var(--catalog-primary);
    color: #fff;
}
[data-bs-theme="dark"] .catalog-card-img-wrap {
    background: #1e293b;
}
[data-bs-theme="dark"] .catalog-card-no-img {
    color: #475569;
}
[data-bs-theme="dark"] .catalog-cart-item-qty button {
    background: #334155;
    border-color: #475569;
    color: #e2e8f0;
}
[data-bs-theme="dark"] .catalog-cart-item-img {
    background: #334155;
}
[data-bs-theme="dark"] .catalog-detail-img {
    background: #1e293b;
}
[data-bs-theme="dark"] .catalog-detail-no-img {
    color: #475569;
}
[data-bs-theme="dark"] .catalog-toast {
    background: #e2e8f0;
    color: #0f172a;
}