/* ============================================
   ASIC CHIP REFERENCE
   Chip comparison table, timeline, detail cards
   ============================================ */

/* ── Timeline ── */
.dc-chip-timeline-section,
.dc-chip-progress-section,
.dc-chip-table-section,
.dc-chip-details-section,
.dc-chip-takeaways-section {
    padding: var(--dc-space-3xl) 0;
}

.dc-chip-timeline-section {
    background: var(--dc-bg-secondary);
}

.dc-chip-progress-section {
    background: var(--dc-bg-primary);
}

.dc-chip-table-section {
    background: var(--dc-bg-secondary);
}

.dc-chip-details-section {
    background: var(--dc-bg-primary);
}

.dc-chip-takeaways-section {
    background: var(--dc-bg-secondary);
    border-top: 1px solid var(--dc-border);
}

.dc-section-title {
    font-family: var(--dc-font-heading);
    font-size: var(--dc-text-3xl);
    font-weight: var(--dc-weight-bold);
    color: var(--dc-text-primary);
    margin-bottom: var(--dc-space-sm);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.dc-section-subtitle {
    color: var(--dc-text-secondary);
    font-size: var(--dc-text-base);
    line-height: var(--dc-leading-relaxed);
    margin-bottom: var(--dc-space-2xl);
    max-width: 720px;
}

/* Timeline */
.dc-chip-timeline {
    display: flex;
    flex-wrap: wrap;
    gap: var(--dc-space-md);
    padding: var(--dc-space-xl) 0;
    position: relative;
}

.dc-chip-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 23px;
    width: 2px;
    background: var(--dc-border);
}

.dc-chip-timeline__item {
    display: flex;
    align-items: center;
    gap: var(--dc-space-md);
    width: 100%;
    position: relative;
    padding-left: 0;
}

.dc-chip-timeline__marker {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    margin-left: 18px;
    box-shadow: 0 0 8px rgba(255, 110, 0, 0.3);
}

.dc-chip-timeline__marker--28nm { background: #6B7280; box-shadow: 0 0 8px rgba(107, 114, 128, 0.4); }
.dc-chip-timeline__marker--16nm { background: #3B82F6; box-shadow: 0 0 8px rgba(59, 130, 246, 0.4); }
.dc-chip-timeline__marker--7nm  { background: #F59E0B; box-shadow: 0 0 8px rgba(245, 158, 11, 0.4); }
.dc-chip-timeline__marker--5nm  { background: #10B981; box-shadow: 0 0 8px rgba(16, 185, 129, 0.4); }

.dc-chip-timeline__content {
    display: flex;
    align-items: center;
    gap: var(--dc-space-sm);
    flex-wrap: wrap;
    background: var(--dc-bg-surface);
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-md);
    padding: var(--dc-space-sm) var(--dc-space-md);
    flex: 1;
    transition: border-color 0.2s;
}

.dc-chip-timeline__content:hover {
    border-color: var(--dc-accent-border);
}

.dc-chip-timeline__year {
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-sm);
    color: var(--dc-text-muted);
    min-width: 40px;
}

.dc-chip-timeline__name {
    font-family: var(--dc-font-heading);
    font-weight: var(--dc-weight-bold);
    font-size: var(--dc-text-lg);
    color: var(--dc-text-accent);
    text-decoration: none;
    transition: color 0.2s;
}

.dc-chip-timeline__name:hover {
    color: var(--dc-accent-hover);
}

.dc-chip-timeline__node {
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-xs);
    color: var(--dc-text-secondary);
    background: var(--dc-bg-terminal);
    padding: 2px 8px;
    border-radius: var(--dc-radius-sm);
}

.dc-chip-timeline__eff {
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-sm);
    color: var(--dc-text-secondary);
    margin-left: auto;
}

.dc-chip-timeline__legend {
    display: flex;
    gap: var(--dc-space-lg);
    flex-wrap: wrap;
    padding-top: var(--dc-space-lg);
    border-top: 1px solid var(--dc-border);
    margin-top: var(--dc-space-md);
}

.dc-chip-timeline__legend-item {
    display: flex;
    align-items: center;
    gap: var(--dc-space-xs);
    font-size: var(--dc-text-sm);
    color: var(--dc-text-secondary);
}

.dc-chip-timeline__legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ── Efficiency Bar Chart ── */
.dc-chip-bars {
    display: flex;
    flex-direction: column;
    gap: var(--dc-space-sm);
}

.dc-chip-bar-row {
    display: flex;
    align-items: center;
    gap: var(--dc-space-md);
}

.dc-chip-bar-label {
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-sm);
    color: var(--dc-text-secondary);
    min-width: 72px;
    text-align: right;
    flex-shrink: 0;
}

.dc-chip-bar-track {
    flex: 1;
    height: 28px;
    background: var(--dc-bg-surface);
    border-radius: var(--dc-radius-sm);
    overflow: hidden;
    border: 1px solid var(--dc-border);
}

.dc-chip-bar {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--dc-space-sm);
    border-radius: var(--dc-radius-sm);
    transition: width 0.6s ease-out;
    min-width: 80px;
}

.dc-chip-bar-value {
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-xs);
    font-weight: var(--dc-weight-semibold);
    color: var(--dc-text-primary);
    white-space: nowrap;
}

.dc-chip-bar--excellent { background: linear-gradient(90deg, rgba(16, 185, 129, 0.3), rgba(16, 185, 129, 0.6)); }
.dc-chip-bar--good      { background: linear-gradient(90deg, rgba(59, 130, 246, 0.3), rgba(59, 130, 246, 0.6)); }
.dc-chip-bar--moderate   { background: linear-gradient(90deg, rgba(245, 158, 11, 0.3), rgba(245, 158, 11, 0.6)); }
.dc-chip-bar--legacy     { background: linear-gradient(90deg, rgba(107, 114, 128, 0.3), rgba(107, 114, 128, 0.6)); }

/* ── Table Controls ── */
.dc-chip-table-controls {
    display: flex;
    gap: var(--dc-space-lg);
    flex-wrap: wrap;
    margin-bottom: var(--dc-space-lg);
}

.dc-chip-table-filter,
.dc-chip-table-sort {
    display: flex;
    align-items: center;
    gap: var(--dc-space-sm);
}

.dc-chip-table-filter__label,
.dc-chip-table-sort__label {
    font-size: var(--dc-text-sm);
    color: var(--dc-text-secondary);
    white-space: nowrap;
}

.dc-chip-table-filter__select,
.dc-chip-table-sort__select {
    background: var(--dc-bg-input);
    color: var(--dc-text-primary);
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-sm);
    padding: var(--dc-space-xs) var(--dc-space-md);
    font-family: var(--dc-font-body);
    font-size: var(--dc-text-sm);
    cursor: pointer;
    transition: border-color 0.2s;
}

.dc-chip-table-filter__select:hover,
.dc-chip-table-sort__select:hover {
    border-color: var(--dc-accent-border);
}

.dc-chip-table-filter__select:focus,
.dc-chip-table-sort__select:focus {
    outline: 2px solid var(--dc-accent);
    outline-offset: 2px;
}

/* ── Comparison Table ── */
.dc-chip-table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-md);
}

.dc-chip-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--dc-text-sm);
}

.dc-chip-table__th {
    background: var(--dc-bg-terminal);
    color: var(--dc-text-secondary);
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-xs);
    font-weight: var(--dc-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--dc-space-sm) var(--dc-space-md);
    text-align: left;
    white-space: nowrap;
    border-bottom: 2px solid var(--dc-border);
    position: sticky;
    top: 0;
    z-index: 2;
}

.dc-chip-table__row {
    transition: background 0.2s, opacity 0.3s;
}

.dc-chip-table__row:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

.dc-chip-table__row:hover {
    background: var(--dc-accent-bg);
}

.dc-chip-table__row--highlight {
    background: rgba(255, 110, 0, 0.15) !important;
    animation: dc-chip-highlight 2s ease-out;
}

@keyframes dc-chip-highlight {
    0% { background: rgba(255, 110, 0, 0.3); }
    100% { background: transparent; }
}

.dc-chip-table__td {
    padding: var(--dc-space-sm) var(--dc-space-md);
    color: var(--dc-text-primary);
    border-bottom: 1px solid var(--dc-border);
    white-space: nowrap;
}

.dc-chip-table__td--name {
    font-family: var(--dc-font-heading);
    font-size: var(--dc-text-base);
    color: var(--dc-text-accent);
}

.dc-chip-table__td--miners {
    white-space: normal;
    min-width: 180px;
    color: var(--dc-text-secondary);
    font-size: var(--dc-text-xs);
}

/* Process node badges */
.dc-chip-process-badge {
    display: inline-block;
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-xs);
    font-weight: var(--dc-weight-semibold);
    padding: 2px 10px;
    border-radius: var(--dc-radius-full);
    letter-spacing: 0.02em;
}

.dc-chip-process-badge--28nm { background: rgba(107, 114, 128, 0.2); color: #9CA3AF; border: 1px solid rgba(107, 114, 128, 0.3); }
.dc-chip-process-badge--16nm { background: rgba(59, 130, 246, 0.15); color: #60A5FA; border: 1px solid rgba(59, 130, 246, 0.3); }
.dc-chip-process-badge--7nm  { background: rgba(245, 158, 11, 0.15); color: #FBBF24; border: 1px solid rgba(245, 158, 11, 0.3); }
.dc-chip-process-badge--5nm  { background: rgba(16, 185, 129, 0.15); color: #34D399; border: 1px solid rgba(16, 185, 129, 0.3); }

/* Efficiency color classes */
.dc-chip-eff--excellent { color: #34D399; }
.dc-chip-eff--good      { color: #60A5FA; }
.dc-chip-eff--moderate   { color: #FBBF24; }
.dc-chip-eff--legacy     { color: #9CA3AF; }

.dc-text-muted { color: var(--dc-text-muted); }

/* ── Chip Detail Cards ── */
.dc-chip-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: var(--dc-space-lg);
}

.dc-chip-detail {
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-lg);
    padding: var(--dc-space-xl);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.dc-chip-detail:hover {
    border-color: var(--dc-accent-border);
    box-shadow: var(--dc-accent-glow-sm);
}

.dc-chip-detail__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--dc-space-md);
}

.dc-chip-detail__name {
    font-family: var(--dc-font-heading);
    font-size: var(--dc-text-2xl);
    font-weight: var(--dc-weight-bold);
    color: var(--dc-text-accent);
    margin: 0;
}

.dc-chip-detail__badges {
    display: flex;
    align-items: center;
    gap: var(--dc-space-sm);
}

.dc-chip-detail__year {
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-xs);
    color: var(--dc-text-muted);
    background: var(--dc-bg-terminal);
    padding: 2px 8px;
    border-radius: var(--dc-radius-sm);
}

.dc-chip-detail__desc {
    color: var(--dc-text-secondary);
    font-size: var(--dc-text-sm);
    line-height: var(--dc-leading-relaxed);
    margin-bottom: var(--dc-space-lg);
}

.dc-chip-detail__specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--dc-space-sm);
    margin-bottom: var(--dc-space-lg);
}

.dc-chip-detail__spec {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--dc-space-sm);
    background: var(--dc-bg-surface);
    border-radius: var(--dc-radius-sm);
    border: 1px solid var(--dc-border);
}

.dc-chip-detail__spec-label {
    font-size: var(--dc-text-xs);
    color: var(--dc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dc-chip-detail__spec-value {
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-sm);
    font-weight: var(--dc-weight-semibold);
    color: var(--dc-text-primary);
}

.dc-chip-detail__miners {
    font-size: var(--dc-text-sm);
    color: var(--dc-text-secondary);
    padding-top: var(--dc-space-sm);
    border-top: 1px solid var(--dc-border);
}

.dc-chip-detail__miners-label {
    font-weight: var(--dc-weight-semibold);
    color: var(--dc-text-muted);
    margin-right: var(--dc-space-xs);
}

/* ── Chip Card (compact, used in other pages) ── */
.dc-chip-card {
    display: block;
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-md);
    padding: var(--dc-space-md);
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.dc-chip-card:hover {
    border-color: var(--dc-accent-border);
    box-shadow: var(--dc-accent-glow-sm);
}

.dc-chip-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--dc-space-sm);
}

.dc-chip-card__title {
    font-family: var(--dc-font-heading);
    font-size: var(--dc-text-lg);
    font-weight: var(--dc-weight-bold);
    color: var(--dc-text-accent);
    margin: 0;
}

.dc-chip-card__process {
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-xs);
    color: var(--dc-text-secondary);
    background: var(--dc-bg-surface);
    padding: 2px 8px;
    border-radius: var(--dc-radius-sm);
}

.dc-chip-card__stats {
    display: flex;
    gap: var(--dc-space-md);
    margin-bottom: var(--dc-space-sm);
}

.dc-chip-card__stat-label {
    display: block;
    font-size: var(--dc-text-xs);
    color: var(--dc-text-muted);
    text-transform: uppercase;
}

.dc-chip-card__stat-value {
    font-family: var(--dc-font-mono);
    font-size: var(--dc-text-sm);
    font-weight: var(--dc-weight-semibold);
    color: var(--dc-text-primary);
}

.dc-chip-card__stat--excellent .dc-chip-card__stat-value { color: #34D399; }
.dc-chip-card__stat--good .dc-chip-card__stat-value      { color: #60A5FA; }
.dc-chip-card__stat--moderate .dc-chip-card__stat-value   { color: #FBBF24; }
.dc-chip-card__stat--legacy .dc-chip-card__stat-value     { color: #9CA3AF; }

.dc-chip-card__miners {
    font-size: var(--dc-text-xs);
    color: var(--dc-text-muted);
}

.dc-chip-card__miners-label {
    font-weight: var(--dc-weight-semibold);
}

/* ── Auto-link style ── */
.dc-chip-auto-link {
    color: var(--dc-text-accent);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
    transition: color 0.2s;
}

.dc-chip-auto-link:hover {
    color: var(--dc-accent-hover);
    text-decoration-style: solid;
}

/* ── Key Takeaways ── */
.dc-chip-takeaways {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--dc-space-lg);
}

.dc-chip-takeaway {
    background: var(--dc-bg-card);
    border: 1px solid var(--dc-border);
    border-radius: var(--dc-radius-lg);
    padding: var(--dc-space-xl);
}

.dc-chip-takeaway__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--dc-accent-bg);
    border: 1px solid var(--dc-accent-border);
    border-radius: var(--dc-radius-md);
    color: var(--dc-accent);
    margin-bottom: var(--dc-space-md);
}

.dc-chip-takeaway__title {
    font-family: var(--dc-font-heading);
    font-size: var(--dc-text-xl);
    font-weight: var(--dc-weight-bold);
    color: var(--dc-text-primary);
    margin: 0 0 var(--dc-space-sm);
}

.dc-chip-takeaway__text {
    color: var(--dc-text-secondary);
    font-size: var(--dc-text-sm);
    line-height: var(--dc-leading-relaxed);
    margin: 0;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .dc-chip-details-grid {
        grid-template-columns: 1fr;
    }

    .dc-chip-detail__specs {
        grid-template-columns: 1fr;
    }

    .dc-chip-table-controls {
        flex-direction: column;
    }

    .dc-chip-timeline::before {
        left: 15px;
    }

    .dc-chip-timeline__marker {
        margin-left: 10px;
        width: 10px;
        height: 10px;
    }

    .dc-chip-timeline__content {
        padding: var(--dc-space-xs) var(--dc-space-sm);
    }

    .dc-chip-timeline__eff {
        display: none;
    }

    .dc-chip-bar-label {
        min-width: 56px;
        font-size: var(--dc-text-xs);
    }
}

@media (max-width: 480px) {
    .dc-chip-detail__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--dc-space-sm);
    }

    .dc-chip-takeaways {
        grid-template-columns: 1fr;
    }
}