/* Part condition guide */
.pc-body { padding: 2.5rem 0 4rem; }
.pc-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 2rem;
    align-items: start;
}
@media (max-width: 1024px) {
    .pc-layout { grid-template-columns: 1fr; }
}

.pc-intro {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.75rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}
.pc-intro p {
    color: var(--muted); line-height: 1.7; font-size: .95rem;
}
.pc-intro p + p { margin-top: .75rem; }

/* Grade scale */
.pc-scale {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: .75rem;
    margin-bottom: 2.5rem;
}
@media (max-width: 900px) { .pc-scale { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .pc-scale { grid-template-columns: 1fr; } }

.pc-scale-item {
    background: var(--card);
    border: 2px solid var(--line);
    border-radius: var(--radius);
    padding: 1.15rem;
    text-align: center;
    cursor: pointer;
    transition: all .25s;
}
.pc-scale-item:hover, .pc-scale-item.on {
    border-color: var(--accent);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.pc-scale-dot {
    width: 14px; height: 14px; border-radius: 50%;
    margin: 0 auto .65rem;
}
.pc-scale-item.excellent .pc-scale-dot { background: #38a67a; box-shadow: 0 0 12px rgba(56,166,122,.45); }
.pc-scale-item.good .pc-scale-dot { background: #6db87a; }
.pc-scale-item.working .pc-scale-dot { background: #94a3b8; }
.pc-scale-item.restore .pc-scale-dot { background: #d4a574; }
.pc-scale-item h3 {
    font-size: .92rem; font-weight: 800; letter-spacing: -.02em;
    margin-bottom: .25rem;
}
.pc-scale-item span { font-size: .72rem; color: var(--muted); }

/* Grade detail panels */
.pc-grade {
    display: none;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}
.pc-grade.on { display: block; animation: pcFade .35s ease; }
@keyframes pcFade {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}
.pc-grade-head {
    display: flex; flex-wrap: wrap; align-items: center; gap: 1rem;
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--line);
}
.pc-grade-badge {
    padding: .35rem .85rem; border-radius: 999px;
    font-size: .72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .06em;
}
.pc-grade.excellent .pc-grade-badge { background: #e6f4ec; color: #2d8a62; }
.pc-grade.good .pc-grade-badge { background: #eef6e8; color: #5f8a52; }
.pc-grade.working .pc-grade-badge { background: #f0f4f8; color: #5a6a7a; }
.pc-grade.restore .pc-grade-badge { background: #faf3eb; color: #9a7348; }
.pc-grade-head h2 {
    font-size: 1.35rem; font-weight: 800; letter-spacing: -.03em;
    flex: 1; min-width: 200px;
}
.pc-grade-body { padding: 1.5rem 1.75rem 1.75rem; }
.pc-grade-body > p {
    color: var(--muted); line-height: 1.7; margin-bottom: 1.25rem;
}
.pc-cols {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
    margin-bottom: 1.25rem;
}
@media (max-width: 700px) { .pc-cols { grid-template-columns: 1fr; } }
.pc-box {
    padding: 1.15rem; border-radius: var(--radius);
    border: 1px solid var(--line);
}
.pc-box.ok { background: rgba(56,166,122,.06); border-color: rgba(56,166,122,.2); }
.pc-box.no { background: rgba(220,80,80,.04); border-color: rgba(220,80,80,.15); }
.pc-box h4 {
    font-size: .78rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .08em; margin-bottom: .65rem;
}
.pc-box.ok h4 { color: #2d8a62; }
.pc-box.no h4 { color: #c45c5c; }
.pc-box ul {
    list-style: none; font-size: .86rem; color: var(--text);
}
.pc-box li {
    padding: .3rem 0 .3rem 1.1rem; position: relative;
}
.pc-box li::before {
    content: ''; position: absolute; left: 0; top: .65rem;
    width: 5px; height: 5px; border-radius: 50%;
}
.pc-box.ok li::before { background: #38a67a; }
.pc-box.no li::before { background: #e07070; }
.pc-tip {
    display: flex; gap: .85rem; padding: 1rem 1.15rem;
    background: var(--accent-soft); border-radius: var(--radius);
    font-size: .88rem; color: var(--steel); line-height: 1.6;
}
.pc-tip strong { color: var(--text); }

/* Comparison table */
.pc-section-title {
    font-size: 1.15rem; font-weight: 800;
    letter-spacing: -.02em; margin-bottom: 1rem;
}
.pc-table-wrap {
    overflow-x: auto;
    margin-bottom: 2.5rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--card);
    box-shadow: var(--shadow);
}
.pc-table {
    width: 100%; border-collapse: collapse;
    font-size: .86rem;
}
.pc-table th, .pc-table td {
    padding: .85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--line);
}
.pc-table th {
    background: var(--surface-2);
    font-size: .72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .06em;
    color: var(--muted);
}
.pc-table tr:last-child td { border-bottom: none; }
.pc-table td:first-child { font-weight: 600; min-width: 140px; }
.pc-pill {
    display: inline-block; padding: .2rem .5rem;
    border-radius: 6px; font-size: .68rem; font-weight: 700;
}
.pc-pill.a { background: #e6f4ec; color: #2d8a62; }
.pc-pill.b { background: #eef6e8; color: #5f8a52; }
.pc-pill.c { background: #f0f4f8; color: #5a6a7a; }
.pc-pill.d { background: #faf3eb; color: #9a7348; }

/* Category cards */
.pc-cats {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem;
    margin-bottom: 2.5rem;
}
@media (max-width: 700px) { .pc-cats { grid-template-columns: 1fr; } }
.pc-cat-card {
    background: var(--card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.25rem;
    transition: border-color .2s, box-shadow .2s;
}
.pc-cat-card:hover {
    border-color: rgba(206,254,36,.3);
    box-shadow: var(--shadow);
}
.pc-cat-icon {
    width: 42px; height: 42px; border-radius: 11px;
    background: var(--accent-soft); color: var(--accent);
    display: grid; place-items: center; margin-bottom: .75rem;
}
.pc-cat-card h3 {
    font-size: .95rem; font-weight: 700; margin-bottom: .45rem;
}
.pc-cat-card p { font-size: .84rem; color: var(--muted); line-height: 1.6; }

/* FAQ */
.pc-faq { display: flex; flex-direction: column; gap: .65rem; }
.pc-faq-item {
    background: var(--card); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden;
}
.pc-faq-q {
    width: 100%; display: flex; justify-content: space-between; align-items: center;
    gap: 1rem; padding: 1rem 1.15rem; border: none; background: transparent;
    text-align: left; font: inherit; font-size: .92rem; font-weight: 600;
    cursor: pointer; transition: background .2s;
}
.pc-faq-q:hover { background: var(--surface-2); }
.pc-faq-q svg { flex-shrink: 0; transition: transform .25s; color: var(--muted); }
.pc-faq-item.open .pc-faq-q svg { transform: rotate(180deg); }
.pc-faq-a {
    display: none; padding: 0 1.15rem 1rem;
    font-size: .88rem; color: var(--muted); line-height: 1.65;
}
.pc-faq-item.open .pc-faq-a { display: block; }

/* Sidebar — reuse glossary patterns */
.pc-sidebar { position: sticky; top: 5.5rem; }
@media (max-width: 1024px) {
    .pc-sidebar { position: static; order: -1; }
}
.pc-side-card {
    background: var(--card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 1.25rem;
    margin-bottom: 1rem; box-shadow: var(--shadow);
}
.pc-side-card h3 {
    font-size: .72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .1em;
    color: var(--accent); margin-bottom: .85rem;
}
.pc-side-links { display: flex; flex-direction: column; gap: .4rem; }
.pc-side-links a {
    font-size: .86rem; color: var(--muted); text-decoration: none;
    transition: color .2s;
}
.pc-side-links a:hover { color: var(--accent); }
.pc-side-cta {
    background: linear-gradient(135deg, var(--ink), #1a2820);
    border: none; color: #fff; text-align: center;
}
.pc-side-cta p {
    font-size: .84rem; color: rgba(255,255,255,.6);
    margin: .45rem 0 1rem; line-height: 1.55;
}
.pc-side-cta .btn {
    display: inline-flex; padding: .65rem 1.15rem;
    border-radius: 999px; background: var(--accent);
    color: #272824; text-decoration: none; font-weight: 600;
    font-size: .84rem;
}