/* P8 — Brief Differentiation Strip
 *
 * Horizontal card strip surfacing ConflictDetector, ConsensusEngine,
 * SemanticContradictionDetector, CredibilityEngine, and ChainTopology
 * at the top of the Oraclea brief output.
 *
 * Tokens inherit from intelligence-app.css / source-cards.css.
 */

/* ── CSS variables ────────────────────────────────────────────────────────── */
:root {
    --diff-ok:   #34d399;
    --diff-warn: #f59e0b;
    --diff-bad:  #f87171;
    --diff-bg:   #161922;
    --diff-surface: #1e2130;
    --diff-border:  rgba(150,145,175,0.12);
    --diff-text1:   #e8e5f0;
    --diff-text2:   #9d97b4;
    --diff-text3:   #5a5673;
}

/* ── Strip wrapper ────────────────────────────────────────────────────────── */
.brief-diff-strip {
    background: var(--diff-bg, #161922);
    border-bottom: 1px solid var(--diff-border);
    margin: 0 0 16px 0;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
    font-family: var(--font, "Inter", -apple-system, sans-serif);
}

/* ── Strip header (toggle row) ────────────────────────────────────────────── */
.brief-diff-strip__header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--diff-surface, #1e2130);
    border-bottom: 1px solid var(--diff-border);
}

.brief-diff-strip__toggle {
    background: transparent;
    border: none;
    color: var(--diff-text2, #9d97b4);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
    letter-spacing: 0.03em;
    transition: color 0.15s;
}
.brief-diff-strip__toggle:hover {
    color: var(--diff-text1, #e8e5f0);
}

.brief-diff-strip__label {
    font-size: 11px;
    font-weight: 500;
    color: var(--diff-text3, #5a5673);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ── Strip body (card row) ────────────────────────────────────────────────── */
.brief-diff-strip__body {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--diff-border) transparent;
}

.brief-diff-strip__body::-webkit-scrollbar { height: 4px; }
.brief-diff-strip__body::-webkit-scrollbar-thumb { background: var(--diff-border); border-radius: 2px; }

/* ── Card ─────────────────────────────────────────────────────────────────── */
.diff-card {
    flex-shrink: 0;
    width: 180px;
    background: var(--diff-surface, #1e2130);
    border: 1px solid var(--diff-border);
    border-radius: 8px;
    padding: 10px 12px;
    position: relative;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.diff-card:hover {
    border-color: rgba(150,145,175,0.28);
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
.diff-card--wide {
    width: 280px;
}

/* ── Card sub-elements ────────────────────────────────────────────────────── */
.diff-card__icon {
    font-size: 18px;
    line-height: 1;
    margin-bottom: 4px;
    color: var(--diff-text2, #9d97b4);
}

.diff-card__header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}
.diff-card__header .diff-card__icon {
    margin-bottom: 0;
    font-size: 14px;
}

.diff-card__label {
    font-size: 10px;
    font-weight: 700;
    color: var(--diff-text2, #9d97b4);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 2px;
}

.diff-card__count {
    font-size: 13px;
    font-weight: 600;
    color: var(--diff-text1, #e8e5f0);
    margin-bottom: 4px;
    line-height: 1.3;
}

.diff-card__tooltip {
    font-size: 10px;
    color: var(--diff-text3, #5a5673);
    line-height: 1.4;
    margin-top: 4px;
}

/* Mini consensus bar */
.diff-card__bar-wrap {
    height: 4px;
    background: rgba(150,145,175,0.1);
    border-radius: 2px;
    margin: 4px 0;
    overflow: hidden;
}
.diff-card__bar {
    height: 100%;
    border-radius: 2px;
    transition: width 0.4s ease;
}

/* Click-to-expand detail panel */
.diff-card__detail {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--diff-border);
    font-size: 11px;
    color: var(--diff-text2, #9d97b4);
    max-height: 200px;
    overflow-y: auto;
}

.diff-detail-group {
    margin-bottom: 4px;
    line-height: 1.4;
}

.diff-detail-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 2px 0;
    justify-content: space-between;
}

.diff-detail-topic {
    font-size: 11px;
    color: var(--diff-text1, #e8e5f0);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.diff-detail-badge {
    font-size: 9px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    flex-shrink: 0;
}
.diff-detail-badge--strong,
.diff-detail-badge--overwhelming { background: rgba(52,211,153,0.15); color: var(--diff-ok, #34d399); }
.diff-detail-badge--moderate     { background: rgba(245,158,11,0.15); color: var(--diff-warn, #f59e0b); }
.diff-detail-badge--contested,
.diff-detail-badge--divided      { background: rgba(248,113,113,0.15); color: var(--diff-bad, #f87171); }

.diff-detail-contradiction {
    margin-bottom: 6px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--diff-border);
}
.diff-detail-contradiction:last-child { border-bottom: none; }
.diff-detail-sources {
    font-size: 10px;
    color: var(--diff-text3, #5a5673);
    margin-top: 2px;
}
.diff-source-a { color: var(--diff-warn, #f59e0b); }
.diff-source-b { color: var(--diff-bad, #f87171); }
.diff-vs { color: var(--diff-text3, #5a5673); font-weight: 600; }

.diff-detail-more {
    font-size: 10px;
    color: var(--diff-text3, #5a5673);
    margin-top: 4px;
    font-style: italic;
}

/* Chain topology viz */
.diff-card__topo-viz {
    margin-top: 8px;
    border-radius: 6px;
    overflow: hidden;
    background: rgba(0,0,0,0.2);
}

.diff-card__topo-list {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.diff-topo-node {
    font-size: 10px;
    color: var(--diff-text2, #9d97b4);
    padding: 2px 6px;
    border-radius: 3px;
    background: rgba(150,145,175,0.06);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.diff-topo-node--d0 { color: var(--diff-text1, #e8e5f0); font-weight: 600; }
.diff-topo-node--d1 { color: var(--diff-text2, #9d97b4); padding-left: 12px; }
.diff-topo-node--d2 { color: var(--diff-text3, #5a5673); padding-left: 20px; }
.diff-topo-node--d3 { color: var(--diff-text3, #5a5673); padding-left: 28px; font-size: 9px; }

.diff-card__empty {
    font-size: 10px;
    color: var(--diff-text3, #5a5673);
    font-style: italic;
    padding: 6px 0;
}

/* ── Credibility badge (inline in bibliography / source list) ─────────────── */
.cred-badge {
    display: inline-flex;
    align-items: center;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-left: 5px;
    cursor: default;
    white-space: nowrap;
    vertical-align: middle;
    line-height: 1.5;
    transition: opacity 0.15s;
}
.cred-badge:hover { opacity: 0.8; }

.cred-badge--high {
    background: rgba(52,211,153,0.15);
    color: var(--diff-ok, #34d399);
    border: 1px solid rgba(52,211,153,0.25);
}
.cred-badge--medium {
    background: rgba(245,158,11,0.12);
    color: var(--diff-warn, #f59e0b);
    border: 1px solid rgba(245,158,11,0.22);
}
.cred-badge--low,
.cred-badge--unverifiable {
    background: rgba(248,113,113,0.12);
    color: var(--diff-bad, #f87171);
    border: 1px solid rgba(248,113,113,0.22);
}

/* ── Conflict-implicated citation marker ─────────────────────────────────── */
.cite-conflict {
    position: relative;
}
.cite-conflict-icon {
    font-size: 9px;
    color: var(--diff-warn, #f59e0b);
    vertical-align: super;
    cursor: pointer;
    margin-left: 1px;
    opacity: 0.85;
    transition: opacity 0.15s;
    user-select: none;
}
.cite-conflict-icon:hover { opacity: 1; }