/* ════════════════════════════════════════
   PROJECT DETAIL PAGE
   
   Append to pages.css or import separately.
   Requires: glass-panel, hatch system, hiw-tags,
   hiw-muted from the shared design system.
   ════════════════════════════════════════ */


/* ── Page shell ── */

.proj-page {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 0 4rem;
    --proj-accent: var(--hatch-neutral);
}


/* ── Hero ── */

.proj-hero {
    padding: 3rem 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.proj-hero-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.proj-back {
    color: var(--c-text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: color 0.2s ease;
}

.proj-back:hover {
    color: var(--c-text-primary);
}

.proj-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--status-color);
}

.proj-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--status-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--status-color) 20%, transparent);
    animation: sb-dot-pulse 2.5s ease-in-out infinite;
}

.proj-hero-title {
    font-size: clamp(2rem, 5vw, 2.75rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.proj-hero-summary {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--c-text-secondary);
    max-width: 640px;
}

.proj-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.5rem;
}


/* ── Meta strip — compact inline ── */

.proj-meta-strip {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.25rem 0;
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    margin-bottom: 2rem;
}

.proj-meta-inline {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--c-text-secondary);
}

.proj-meta-val {
    color: var(--c-text-primary);
}

.proj-meta-sep {
    color: var(--c-text-tertiary);
    font-size: 0.75rem;
}

.proj-meta-status {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--status-color);
    font-weight: 500;
}


/* ── Cover image ── */

.proj-cover {
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--c-border);
    border-radius: 18px;
    overflow: hidden;
    background: var(--c-background-gray);
}

.proj-cover-img {
    flex: 1;
    min-height: 280px;
    max-height: 480px;
    overflow: hidden;
    background: var(--c-background-gray);
}

.proj-cover-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}


/* ── Body — content blocks ── */

.proj-body {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.proj-block-title {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    line-height: 1.3;
    margin-bottom: 1rem;
}

/* Prose */
.proj-prose {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--c-text-secondary);
}

.proj-prose p + p {
    margin-top: 1rem;
}

.proj-prose a {
    color: var(--c-link);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.proj-prose ul,
.proj-prose ol {
    padding-left: 1.25rem;
    margin-top: 0.75rem;
}

.proj-prose li {
    list-style: disc;
    margin-bottom: 0.35rem;
    color: var(--c-text-secondary);
    line-height: 1.7;
}

.proj-prose strong {
    color: var(--c-text-primary);
    font-weight: 600;
}

/* Inline diagrams — self-contained SVG in project md */
.proj-block--diagram {
    margin: 2.5rem 0;
}

.proj-diagram {
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    overflow-x: auto;
}

.proj-diagram-svg {
    width: 100%;
    min-width: 280px;
    height: auto;
    display: block;
    font-family: var(--font-mono, 'IBM Plex Mono', monospace);
}

.proj-diagram-svg .diag-box {
    fill: var(--c-chip-bkg);
    stroke: var(--c-border);
    stroke-width: 1.5;
}

.proj-diagram-svg .diag-box--accent {
    stroke: var(--proj-accent, var(--c-accent));
    stroke-width: 2;
}

.proj-diagram-svg .diag-label {
    fill: var(--c-text-primary);
    font-size: 13px;
    font-weight: 600;
}

.proj-diagram-svg .diag-sublabel {
    fill: var(--c-text-secondary);
    font-size: 11px;
}

.proj-diagram-svg .diag-arrow {
    stroke: var(--c-text-tertiary);
    stroke-width: 1.5;
    fill: none;
    marker-end: url(#diag-arrowhead);
}

.proj-diagram-svg .diag-divider {
    stroke: var(--c-border);
    stroke-width: 1;
    stroke-dasharray: 4 3;
}


/* Split — text + image */
.proj-block--split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.proj-block--reverse {
    direction: rtl;
}

.proj-block--reverse > * {
    direction: ltr;
}

.proj-split-text h3 {
    font-size: clamp(1.15rem, 2vw, 1.35rem);
    line-height: 1.3;
    margin-bottom: 0.75rem;
}


/* Media frames */
.proj-media-frame {
    border: 1px solid var(--c-border);
    border-radius: 18px;
    overflow: hidden;
    border-radius: 12px;
}

.proj-media-frame img {
    width: 100%;
    height: auto;
    display: block;
}

.proj-caption {
    margin-bottom: 0.75rem;
}


/* Code */
.proj-code-frame {
    border-radius: 12px;
    overflow: hidden;
    background: #0D1117;
    border: 1px solid color-mix(in srgb, var(--proj-accent) 15%, #30363D);
}

.proj-code-bar {
    height: 32px;
    background: #161B22;
    border-bottom: 1px solid #30363D;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px;
}

.proj-code-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #30363D;
}

.proj-code-dot:nth-child(1) { background: #F85149; }
.proj-code-dot:nth-child(2) { background: #D29922; }
.proj-code-dot:nth-child(3) { background: #3FB950; }

.proj-code-filename {
    margin-left: auto;
    font-size: 0.65rem;
    color: #8B949E;
    letter-spacing: 0.03em;
}

.proj-code-body {
    padding: 1.25rem;
    margin: 0;
    overflow-x: auto;
    font-family: "Geist Mono", monospace;
    font-size: 0.8rem;
    line-height: 1.7;
    color: #E6EDF3;
    tab-size: 4;
}

.proj-code-body code {
    font-family: inherit;
}


/* Callout */
.proj-block--callout {
    padding: 1.5rem 1.75rem;
    border-radius: 14px;
    border: 1px solid color-mix(in srgb, var(--proj-accent, var(--hatch-ux)) 22%, var(--c-border));
    border-left: 3px solid var(--proj-accent, var(--hatch-ux));
    background:
        linear-gradient(
            135deg,
            color-mix(in srgb, var(--proj-accent, var(--hatch-ux)) 9%, var(--c-background)) 0%,
            color-mix(in srgb, var(--proj-accent, var(--hatch-ux)) 3%, var(--c-background)) 100%
        );
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.proj-callout-title {
    color: var(--proj-accent, var(--hatch-ux));
    margin-bottom: 0.75rem;
    letter-spacing: 0.12em;
}

.proj-block--callout .proj-prose p:last-child {
    margin-bottom: 0;
}


/* ── Metrics B — quiet cards ── */
/* ── Metrics — quiet cards (replaces old border-top/bottom strip) ── */

.proj-block--metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.5rem;
    padding: 0;
    border: none;
}

.proj-metric {
    background: var(--c-background-gray);
    border-radius: 8px;
    padding: 0.7rem 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.proj-metric-num {
    font-size: 1.15rem;
    line-height: 1.2;
    color: var(--c-text-primary);
}

.proj-metric-label {
    font-size: 0.7rem;
    line-height: 1.3;
}

/* ── Metrics — pills variant ── */

.proj-metrics--pills {
    display: flex;
    flex-wrap: wrap;
}

.proj-metrics--pills .proj-metric {
    flex-direction: row;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    background: transparent;
    border: 1px solid var(--c-border);
}

.proj-metrics--pills .proj-metric-num {
    font-size: 0.85rem;
}

.proj-metrics--pills .proj-metric-label {
    font-size: 0.75rem;
}


/* Gallery */
.proj-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}


/* ── Footer ── */

.proj-footer {
    padding-top: 3rem;
    margin-top: 3rem;
    border-top: 1px solid var(--c-border);
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.proj-related-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.proj-related-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--c-text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease, gap 0.2s ease;
}

.proj-related-link:hover {
    color: var(--c-accent);
    gap: 0.75rem;
}

.proj-nav {
    display: flex;
}


/* ── Responsive ── */

@media (max-width: 700px) {
    .proj-block--split {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .proj-block--reverse {
        direction: ltr;
    }

    .proj-cover-img {
        min-height: 200px;
    }

    .proj-meta-strip {
        gap: 1.25rem;
    }

    .proj-block--metrics {
        gap: 1.5rem;
    }
}