/* ── Causal Analysis page ── */

.analysis-page-header {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color, #3c8dbc);
    margin-bottom: 1.2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color, #3c8dbc);
}

/* summary metric cards */
.analysis-card {
    border-radius: 10px;
    padding: 1.2rem 1rem;
    text-align: center;
    color: #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,.12);
}
.analysis-card .ac-icon { font-size: 1.6rem; margin-bottom: .4rem; opacity: .85; }
.analysis-card .ac-value { font-size: 1.8rem; font-weight: 700; }
.analysis-card .ac-label { font-size: .82rem; opacity: .9; }

.card-nodes       { background: linear-gradient(135deg, #1976d2, #42a5f5); }
.card-edges       { background: linear-gradient(135deg, #388e3c, #66bb6a); }
.card-density     { background: linear-gradient(135deg, #f57c00, #ffb74d); }


/* file info bar */
.file-info-bar {
    background: var(--bg-info-light, #d9edf7);
    color: var(--text-info, #31708f);
    padding: .6rem 1rem;
    border-radius: 6px;
    font-size: .9rem;
}

/*
 * Path-finder card — absolute-positioned so it can never inflate the row
 * height.  The row height is set by the left column only.
 * .pathfinder-anchor fills the column via height:100%, then the card
 * fills the anchor via position:absolute + inset:0.
 */
.pathfinder-anchor {
    position: relative;
    height: 100%;
}
.card-pathfinder {
    position: absolute;
    inset: 0;
}
.card-pathfinder .card-body { min-height: 0; }
.path-results               { overflow-y: auto; min-height: 0; }
.path-list { display: flex; flex-direction: column; gap: .5rem; }
.path-item {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: .5rem .75rem;
    font-size: .85rem;
    line-height: 1.6;
}
.path-num { font-weight: 700; color: var(--primary-color, #3c8dbc); margin-right: .4rem; }
.path-node {
    display: inline-block;
    background: #e3f2fd;
    border-radius: 4px;
    padding: 0 6px;
    font-size: .82rem;
    white-space: nowrap;
}

/* no-graph placeholder */
.no-graph-placeholder {
    text-align: center;
    padding: 4rem 1rem;
    color: #777;
}

/* stat boxes for pipeline stages */
.stat-box {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: .8rem;
    text-align: center;
    font-size: .85rem;
}
.stat-box strong {
    font-size: 1.3rem;
    display: block;
    color: var(--primary-color, #3c8dbc);
}
.stat-box.stat-success {
    background: #d4edda;
    border-color: #c3e6cb;
}
.stat-box.stat-success strong { color: #155724; }
.stat-box.stat-warning {
    background: #fff3cd;
    border-color: #ffeeba;
}
.stat-box.stat-warning strong { color: #856404; }

/* analysis results placeholder */
.analysis-results-placeholder {
    min-height: 60px;
}