/* Parts: list filter chips live in components; this is the part page (specs, revisions, drawings). */
.part-specs { margin-bottom: 20px; }
.part-bom { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin-bottom: 28px; padding: 16px 20px; color: var(--text); text-decoration: none; transition: border-color .15s; }
.part-bom:hover { border-color: var(--accent-border); }
.part-bom__label { font-weight: 700; }
.part-bom__facts { flex: 1 1 auto; color: var(--text-2); font-size: .92rem; }
.part-specs .stat strong { font-family: var(--font-mono); }
.part-section-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.part-section-head h2 { font-size: 1.25rem; letter-spacing: -.02em; }
.part-section-head .muted { margin-top: 4px; font-size: .9rem; }

.part-rev { display: grid; gap: 14px; margin-bottom: 16px; }
.part-rev__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; }
.part-rev__title { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; min-width: 0; }
.part-rev__title h3 { font-size: 1.15rem; }
.part-rev__short { color: var(--text-2); font-size: .92rem; }
.part-rev__actions { display: flex; flex-wrap: wrap; gap: 8px; }
.part-rev__actions .btn--sm { min-height: 44px; }
.part-rev__facts { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 0; }
.part-rev__facts dt { color: var(--muted); font-size: .68rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.part-rev__facts dd { margin: 2px 0 0; color: var(--text); font-size: .9rem; }
.part-rev__desc { color: var(--text-2); font-size: .92rem; white-space: pre-line; }

/* Drawing tiles: image thumbnails or a PDF card; the whole tile opens the file. Also the drop zone. */
.drawings { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 12px; padding: 4px; border: 1px dashed transparent; border-radius: 12px; transition: border-color .15s, background .15s; }
.drawings.is-empty { grid-template-columns: 1fr; border-color: var(--line-2); }
.drawings.is-over { border-color: var(--accent); background: var(--accent-tint); }
.drawings__empty { margin: 0; padding: 22px 12px; color: var(--muted); font-size: .88rem; text-align: center; }
.drawing { position: relative; min-width: 0; }
.drawing__open { display: grid; gap: 4px; padding: 8px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--bg-2); color: var(--text); text-decoration: none; transition: border-color .15s, transform .15s; }
.drawing__open:hover { border-color: var(--accent-border); transform: translateY(-1px); }
.drawing__thumb { display: grid; place-items: center; width: 100%; aspect-ratio: 4 / 3; border-radius: 8px; background: var(--panel); object-fit: contain; overflow: hidden; }
.drawing__thumb--pdf span { padding: 6px 12px; border: 1px solid var(--red-soft); border-radius: 6px; background: var(--red-tint); color: var(--red); font-family: var(--font-mono); font-size: .9rem; font-weight: 800; letter-spacing: .08em; }
.drawing__name { overflow: hidden; font-size: .86rem; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.drawing__meta { color: var(--muted); font-size: .72rem; }
.drawing.is-uploading { display: grid; gap: 4px; padding: 8px; border: 1px dashed var(--line-2); border-radius: 12px; opacity: .8; }
.drawing__delete { position: absolute; top: 12px; right: 12px; display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--line-2); border-radius: 50%; background: var(--glass-2); color: var(--text-2); cursor: pointer; opacity: 0; transition: opacity .15s, color .15s; }
.drawing:hover .drawing__delete, .drawing__delete:focus-visible { opacity: 1; }
.drawing__delete:hover { border-color: var(--red-soft); color: var(--red); }
@media (pointer: coarse) { .drawing__delete { opacity: 1; } }
.part-form__dims { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 640px) { .part-form__dims { grid-template-columns: 1fr 1fr; } }