/* ===== ONTOLOGY & KNOWLEDGE GRAPH STUDY - Override Styles ===== */
/* Base styles from common/base.css */

:root {
    --accent: var(--cyan);
    --accent-dim: var(--cyan-dim);
    --gradient-1: linear-gradient(135deg, #22d3ee, #a78bfa);
    --gradient-2: linear-gradient(135deg, #a78bfa, #4f8ff7);
    --gradient-3: linear-gradient(135deg, #34d399, #22d3ee);
}

/* ===== HERO GLOW ===== */

.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: #22d3ee;
    top: -200px;
    right: -100px;
    opacity: 0.15;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: #a78bfa;
    bottom: -200px;
    left: -100px;
    opacity: 0.1;
}

/* ===== SPECTRUM ===== */

.spectrum-track {
    display: flex;
    gap: 0;
    margin: 32px 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.spectrum-level {
    flex: 1;
    padding: 20px 16px;
    text-align: center;
    position: relative;
    transition: background 0.3s;
}

.spectrum-level:hover {
    background: var(--bg-card-hover);
}

.spectrum-level:not(:last-child) {
    border-right: 1px solid var(--border);
}

.spectrum-level h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.spectrum-level p {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}

.spectrum-level .spectrum-tag {
    display: inline-block;
    margin-top: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 3px 10px;
    border-radius: 999px;
}

.spectrum-l1 { background: var(--bg-card); }
.spectrum-l1 .spectrum-tag { background: var(--green-dim); color: var(--green); }
.spectrum-l2 { background: var(--bg-surface); }
.spectrum-l2 .spectrum-tag { background: var(--blue-dim); color: var(--blue); }
.spectrum-l3 { background: var(--bg-card); }
.spectrum-l3 .spectrum-tag { background: var(--purple-dim); color: var(--purple); }
.spectrum-l4 { background: var(--bg-surface); }
.spectrum-l4 .spectrum-tag { background: var(--cyan-dim); color: var(--cyan); }

@media (max-width: 768px) {
    .spectrum-track { flex-direction: column; }
}

/* ===== TRIPLE CARD ===== */

.triple-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin: 32px 0;
    text-align: center;
}

.triple-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.triple-node {
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 1rem;
}

.triple-subject { background: var(--blue-dim); color: var(--blue); border: 1px solid rgba(79,143,247,0.3); }
.triple-predicate { background: var(--green-dim); color: var(--green); border: 1px solid rgba(52,211,153,0.3); }
.triple-object { background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(167,139,250,0.3); }

.triple-arrow {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.triple-caption {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 12px;
}

/* ===== COMPARISON TABLE ===== */

.comparison-table-wrap {
    overflow-x: auto;
    margin: 32px 0;
}

.cmp-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.9rem;
}

.cmp-table th {
    text-align: left;
    padding: 14px 18px;
    background: var(--bg-card);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border);
}

.cmp-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.cmp-table tr:hover td { background: var(--bg-card); }

.cmp-highlight { color: var(--accent); font-weight: 600; }
.cmp-win { color: var(--green); font-weight: 600; }
.cmp-lose { color: var(--red); font-weight: 600; }

/* ===== CONCEPT CARDS ===== */

.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 32px 0;
}

.concept-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: border-color 0.3s;
}

.concept-card:hover { border-color: var(--accent); }

.concept-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 16px;
    background: var(--accent-dim);
    color: var(--accent);
}

.concept-card h4 {
    font-size: 1.05rem;
    color: var(--text);
    margin-bottom: 10px;
}

.concept-card p {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* ===== TOOL CARDS ===== */

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 32px 0;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: border-color 0.3s;
}

.tool-card:hover { border-color: var(--accent); }

.tool-card h4 {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 4px;
}

.tool-card .tool-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.tool-card .tool-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.tool-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.tool-badge-graph { background: var(--cyan-dim); color: var(--cyan); }
.tool-badge-framework { background: var(--purple-dim); color: var(--purple); }
.tool-badge-platform { background: var(--orange-dim); color: var(--orange); }

/* ===== INSIGHT BOX ===== */

.insight-box {
    max-width: 860px;
    margin: 40px auto;
    padding: 24px 28px;
    background: rgba(34,211,238,0.06);
    border: 1px solid rgba(34,211,238,0.25);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text);
}

.insight-box strong { color: var(--accent); }

/* ===== BENCHMARK BARS ===== */

.bench-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 32px 0;
}

.bench-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 22px;
}

.bench-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.88rem;
}

.bench-label span:first-child { color: var(--text); font-weight: 500; }

.bench-bars {
    display: flex;
    gap: 8px;
    align-items: center;
}

.bench-bar {
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 40px;
}

.bench-bar-graph { background: rgba(34,211,238,0.2); color: var(--cyan); }
.bench-bar-vector { background: rgba(107,114,128,0.2); color: var(--text-muted); }