/* ============================================================
   Product Details page – standalone stylesheet
   Mobile-first · clean white content · compact empty state
   ============================================================ */

/* --- Design tokens (scoped to this page) --- */
.pd-page {
    --pd-ink: 15, 23, 42;
    --pd-font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
    --pd-radius-card: 14px;
    --pd-radius-media: 12px;
    --pd-border: 1px solid rgba(var(--pd-ink), 0.06);
    --pd-shadow-sm: 0 1px 4px rgba(var(--pd-ink), 0.04);
    --pd-tl-dot-size: 36px;
}

/* --- Page shell --- */
.pd-page {
    padding: 0 16px 24px;
    background: #fff;
    min-height: 100%;
}

/* --- Breadcrumbs --- */
.pd-page .pd-breadcrumbs {
    padding: 0 0 4px 0;
    font-size: 0.78rem;
}

/* --- Loading / empty-page states --- */
.pd-page .pd-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
    gap: 12px;
}
.pd-page .pd-empty-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
    gap: 4px;
}

/* ==========================================================
   HERO
   ========================================================== */
.pd-page .pd-hero {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 12px;
}

/* Media / image box */
.pd-page .pd-hero__media {
    width: 100%;
    border-radius: var(--pd-radius-media);
    overflow: hidden;
    background: #f1f3f4;
    aspect-ratio: 1 / 1;
    position: relative;
}
.pd-page .pd-hero__media .mud-carousel {
    height: 100% !important;
    border-radius: var(--pd-radius-media);
}
.pd-page .pd-hero__media .mud-skeleton,
.pd-page .pd-hero__media [class*="mud-image"] .mud-skeleton {
    border-radius: var(--pd-radius-media);
}
.pd-page .pd-hero__media .mud-carousel .mud-carousel-item {
    border-radius: var(--pd-radius-media);
}
.pd-page .pd-hero__carousel-slide {
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f3f4;
}
.pd-page .pd-hero__img-single {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--pd-radius-media);
    display: block;
}

/* Hero body (text + stats + actions) */
.pd-page .pd-hero__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}
.pd-page .pd-hero__body .pd-stats { margin-top: 12px; }
.pd-page .pd-hero__body .pd-actions { margin-top: 8px; margin-bottom: 0; }

.pd-page .pd-hero__title {
    font-family: var(--pd-font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    line-height: 1.25;
    color: var(--ss-color-charcoal, #0F172A);
    margin: 0 0 2px 0;
    letter-spacing: -0.3px;
}
.pd-page .pd-hero__subtitle {
    font-size: 0.82rem;
    color: rgba(var(--pd-ink), 0.55);
    margin: 0 0 10px 0;
    line-height: 1.4;
}

/* Tag chips row */
.pd-page .pd-hero__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 4px;
}
.pd-page .pd-hero__tags .mud-chip {
    font-size: 0.72rem;
    height: 28px;
}

/* Storage location pill */
.pd-page .pd-hero__location {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    padding: 5px 12px;
    background: rgba(56, 186, 245, 0.07);
    border-radius: 20px;
    font-size: 0.78rem;
    color: #38BAF5;
    font-weight: 500;
    width: fit-content;
}

/* ==========================================================
   STATS ROW (horizontally scrollable on small screens)
   ========================================================== */
.pd-page .pd-stats {
    margin-bottom: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 2px 0;
}
.pd-page .pd-stats::-webkit-scrollbar { display: none; }

.pd-page .pd-stats__track {
    display: flex;
    gap: 10px;
    min-width: min-content;
}

.pd-page .pd-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 152px;
    padding: 14px 16px;
    background: var(--mud-palette-surface, #fff);
    border-radius: var(--pd-radius-card);
    border: var(--pd-border);
    box-shadow: var(--pd-shadow-sm);
    flex: 1;
    transition: box-shadow 0.2s ease, transform 0.15s ease;
    cursor: default;
}
.pd-page .pd-stat:active { transform: scale(0.98); }

/* Stat icon circle */
.pd-page .pd-stat__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--pd-radius-media);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.pd-page .pd-stat--blue    .pd-stat__icon { background: rgba(59, 130, 246, 0.1);  color: #2563eb; }
.pd-page .pd-stat--green   .pd-stat__icon { background: rgba(16, 185, 129, 0.1);  color: #059669; }
.pd-page .pd-stat--emerald .pd-stat__icon { background: rgba(22, 163, 74, 0.1);   color: #16a34a; }
.pd-page .pd-stat--orange  .pd-stat__icon { background: rgba(249, 115, 22, 0.1);  color: #ea580c; }
.pd-page .pd-stat__icon .mud-icon-root { font-size: 20px !important; }

/* Stat text */
.pd-page .pd-stat__detail {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.pd-page .pd-stat__value {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--ss-color-charcoal, #0F172A);
    line-height: 1.2;
    white-space: nowrap;
}
.pd-page .pd-stat__value--positive { color: var(--mud-palette-success) !important; }
.pd-page .pd-stat__value--negative { color: var(--mud-palette-error)   !important; }

.pd-page .pd-stat__label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(var(--pd-ink), 0.45);
    margin-top: 2px;
    font-weight: 500;
}

/* ==========================================================
   ACTIONS BAR
   ========================================================== */
.pd-page .pd-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    padding: 12px 14px;
    background: var(--mud-palette-surface, #fff);
    border-radius: var(--pd-radius-card);
    border: var(--pd-border);
    box-shadow: var(--pd-shadow-sm);
    align-items: center;
}
.pd-page .pd-actions .mud-button-root {
    font-size: 0.8rem;
    min-height: 36px;
}

/* ==========================================================
   SECTION (Available Items / Activity Timeline wrappers)
   ========================================================== */
.pd-page .pd-section {
    margin-bottom: 20px;
}
.pd-page .pd-section__head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(var(--pd-ink), 0.08);
}
.pd-page .pd-section__title {
    font-family: var(--pd-font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--ss-color-charcoal, #0F172A);
    flex: 1;
    margin: 0;
}

/* ==========================================================
   INVENTORY ITEM CARDS
   ========================================================== */
.pd-page .pd-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.pd-page .pd-item {
    background: var(--mud-palette-surface, #fff);
    border-radius: var(--pd-radius-card);
    border: var(--pd-border);
    box-shadow: var(--pd-shadow-sm);
    padding: 16px;
    transition: box-shadow 0.2s ease, transform 0.15s ease;
}
.pd-page .pd-item:active { transform: scale(0.99); }

.pd-page .pd-item__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}
.pd-page .pd-item__price {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--ss-color-charcoal, #0F172A);
    display: flex;
    align-items: center;
    gap: 8px;
}
.pd-page .pd-item__meta {
    font-size: 0.8rem;
    color: rgba(var(--pd-ink), 0.55);
    margin-bottom: 10px;
    line-height: 1.4;
}
.pd-page .pd-item__channels-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: rgba(var(--pd-ink), 0.45);
    margin-bottom: 6px;
}
.pd-page .pd-item__channels {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}
.pd-page .pd-item__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    border-top: 1px solid rgba(var(--pd-ink), 0.06);
}
.pd-page .pd-item__footer-actions {
    display: flex;
    gap: 2px;
}

/* ==========================================================
   ACTIVITY TIMELINE
   ========================================================== */
.pd-page .pd-timeline {
    position: relative;
    padding: 0;
}

.pd-page .pd-tl-item {
    display: flex;
    gap: 12px;
    position: relative;
    padding-bottom: 20px;
}

/* Vertical connector line (centers itself on dot) */
.pd-page .pd-tl-item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: calc(var(--pd-tl-dot-size) / 2 - 1px);
    top: calc(var(--pd-tl-dot-size) + 8px);
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, rgba(var(--pd-ink), 0.1), rgba(var(--pd-ink), 0.04));
    border-radius: 1px;
}

/* Timeline dot */
.pd-page .pd-tl-dot {
    width: var(--pd-tl-dot-size);
    height: var(--pd-tl-dot-size);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    margin-top: 4px;
}
.pd-page .pd-tl-dot .mud-icon-root { font-size: 18px !important; }

.pd-page .pd-tl-dot--purchase { background: rgba(59, 130, 246, 0.12); color: #2563eb; }
.pd-page .pd-tl-dot--listed   { background: rgba(16, 185, 129, 0.12); color: #059669; }
.pd-page .pd-tl-dot--sale     { background: rgba(22, 163, 74, 0.14);  color: #16a34a; }
.pd-page .pd-tl-dot--refund   { background: rgba(168, 85, 247, 0.12); color: #7c3aed; }
.pd-page .pd-tl-dot--status   { background: rgba(56, 186, 245, 0.12); color: #38BAF5; }
.pd-page .pd-tl-dot--price    { background: rgba(245, 158, 11, 0.12); color: #d97706; }
.pd-page .pd-tl-dot--other    { background: rgba(var(--pd-ink), 0.08); color: rgba(var(--pd-ink), 0.5); }

/* Timeline card body */
.pd-page .pd-tl-body {
    flex: 1;
    min-width: 0;
    background: var(--mud-palette-surface, #fff);
    border-radius: var(--pd-radius-media);
    border: var(--pd-border);
    padding: 14px 16px;
    box-shadow: 0 1px 3px rgba(var(--pd-ink), 0.03);
    transition: box-shadow 0.2s ease;
}
.pd-page .pd-tl-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 4px;
}
.pd-page .pd-tl-title {
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--ss-color-charcoal, #0F172A);
    line-height: 1.3;
}
.pd-page .pd-tl-date {
    font-size: 0.7rem;
    color: rgba(var(--pd-ink), 0.45);
    white-space: nowrap;
    flex-shrink: 0;
    padding-top: 2px;
    font-weight: 500;
}
.pd-page .pd-tl-desc {
    font-size: 0.82rem;
    color: rgba(var(--pd-ink), 0.65);
    line-height: 1.5;
    margin: 0;
}
.pd-page .pd-tl-extra {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(var(--pd-ink), 0.06);
}
.pd-page .pd-tl-extra .mud-simple-table { font-size: 0.8125rem; }
.pd-page .pd-tl-extra .mud-paper { border-radius: 10px !important; overflow: hidden; }
.pd-page .pd-tl-extra .text-muted,
.pd-page .pd-tl-extra td .mud-typography-body2 {
    font-size: 0.75rem;
    color: rgba(var(--pd-ink), 0.5);
}
.pd-page .pd-tl-actions {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}
.pd-page .pd-tl-actions .mud-button-root {
    font-size: 0.78rem;
    text-transform: none;
    font-weight: 600;
}

/* ==========================================================
   EMPTY STATE blocks
   ========================================================== */
.pd-page .pd-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 16px;
    background: #fafbfc;
    border-radius: var(--pd-radius-media);
    border: 1px solid rgba(var(--pd-ink), 0.08);
}
.pd-page .pd-empty__icon  { font-size: 1.5rem !important; opacity: 0.7; }
.pd-page .pd-empty__title { font-weight: 600; font-size: 0.9375rem; margin-top: 8px; }
.pd-page .pd-empty__text  { max-width: 280px; margin-top: 4px; font-size: 0.8125rem; line-height: 1.4; color: rgba(var(--pd-ink), 0.6); }
.pd-page .pd-empty__action { margin-top: 12px; }

.pd-page .pd-empty--items { padding: 20px 16px; border-color: rgba(56, 186, 245, 0.15); background: #f8fafb; }
.pd-page .pd-empty--items .pd-empty__icon   { font-size: 1.25rem !important; }
.pd-page .pd-empty--items .pd-empty__title  { font-size: 0.875rem; }
.pd-page .pd-empty--items .pd-empty__action { margin-top: 10px; }
.pd-page .pd-empty--items .pd-empty__action .mud-button-root { font-size: 0.8125rem; min-height: 32px; }

/* Load more */
.pd-page .pd-load-more {
    text-align: center;
    padding: 16px 0 8px;
}

/* ==========================================================
   CHANNEL BADGES
   ========================================================== */
.pd-page .pd-channel {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 500;
}
.pd-page .pd-channel--ebay    { background: rgba(229, 50, 56, 0.08); color: #e53238; }
.pd-page .pd-channel--vinted  { background: rgba(9, 181, 126, 0.08); color: #09b57e; }
.pd-page .pd-channel--default { background: rgba(66, 133, 244, 0.08); color: #4285f4; }
.pd-page .pd-channel__delist-warn .mud-icon-root { font-size: 16px !important; }

/* ==========================================================
   DESKTOP HOVER (pointer devices only)
   ========================================================== */
@media (hover: hover) {
    .pd-page .pd-stat:hover {
        box-shadow: 0 4px 16px rgba(var(--pd-ink), 0.08);
    }
    .pd-page .pd-item:hover {
        box-shadow: 0 4px 16px rgba(var(--pd-ink), 0.08);
    }
    .pd-page .pd-tl-body:hover {
        box-shadow: 0 4px 12px rgba(var(--pd-ink), 0.06);
    }
}

/* ==========================================================
   RESPONSIVE — tablet (>=768)
   ========================================================== */
@media (min-width: 768px) {
    .pd-page .pd-hero {
        flex-direction: row;
        gap: 28px;
        align-items: flex-start;
    }
    .pd-page .pd-hero__media {
        width: 280px;
        min-width: 280px;
        max-width: 280px;
        aspect-ratio: 1 / 1;
    }
    .pd-page .pd-hero__title { font-size: 1.65rem; }
    .pd-page .pd-stat { min-width: 0; }
    .pd-page .pd-items {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 16px;
    }
    .pd-page .pd-tl-header {
        flex-direction: row;
        align-items: center;
    }
}

/* ==========================================================
   RESPONSIVE — desktop (>=1024)
   ========================================================== */
@media (min-width: 1024px) {
    .pd-page .pd-hero__media {
        width: 320px;
        min-width: 320px;
        max-width: 320px;
    }
    .pd-page .pd-hero__title { font-size: 1.85rem; }
    .pd-page { --pd-tl-dot-size: 40px; }
    .pd-page .pd-tl-body { padding: 16px 20px; }
}

/* ==========================================================
   RESPONSIVE — small phone (<=480)
   ========================================================== */
@media (max-width: 600px) {
    .pd-page {
        padding-left: 12px !important;
        padding-right: 12px !important;
    }
}
@media (max-width: 480px) {
    .pd-page .pd-hero__media {
        border-radius: var(--pd-radius-media);
        aspect-ratio: 1 / 1;
    }
    .pd-page .pd-hero__media .mud-carousel { border-radius: var(--pd-radius-media); }
    .pd-page .pd-hero__title { font-size: 1.25rem; }
    .pd-page .pd-stat {
        min-width: 138px;
        padding: 12px 14px;
    }
    .pd-page .pd-stat__value { font-size: 0.95rem; }
    .pd-page .pd-stat__icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
    }
    .pd-page .pd-actions { padding: 10px 12px; gap: 6px; }
    .pd-page .pd-item { padding: 14px; }

    .pd-page { --pd-tl-dot-size: 32px; }
    .pd-page .pd-tl-item { gap: 10px; }
    .pd-page .pd-tl-dot .mud-icon-root { font-size: 16px !important; }
    .pd-page .pd-tl-body { padding: 12px 14px; }
    .pd-page .pd-tl-title { font-size: 0.85rem; }
    .pd-page .pd-tl-date { font-size: 0.65rem; }
    .pd-page .pd-tl-header { flex-direction: column; gap: 2px; }
    .pd-page .pd-section__title { font-size: 0.95rem; }
}