/* PSA v2 — Posture Sequence Analysis Styles
   Extracted from POC designs, prefixed with psa- to avoid v1 conflicts */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&family=DM+Sans:wght@300;400;500;600;700&display=swap');

/* ============================================================
   CSS Variables — Posture colors, alert colors, dark theme
   ============================================================ */
:root {
    /* PSA Dark theme palette */
    --psa-bg-deep: #0a0a0f;
    --psa-bg-panel: #12121a;
    --psa-bg-card: #1a1a26;
    --psa-bg-hover: #22222f;
    --psa-border: #2a2a3a;
    --psa-border-light: #333346;
    --psa-text-primary: #e8e8f0;
    --psa-text-secondary: #8888a0;
    --psa-text-dim: #555568;

    /* Posture colors P0–P15 */
    --psa-p0: #2a2a3a;
    --psa-p1: #6366f1;
    --psa-p2: #818cf8;
    --psa-p3: #a5b4fc;
    --psa-p4: #c4b5fd;
    --psa-p5: #fbbf24;
    --psa-p6: #f59e0b;
    --psa-p7: #94a3b8;
    --psa-p8: #64748b;
    --psa-p9: #fb923c;
    --psa-p10: #f97316;
    --psa-p11: #ef4444;
    --psa-p12: #dc2626;
    --psa-p13: #b91c1c;
    --psa-p14: #991b1b;
    --psa-p15: #7f1d1d;
    --psa-p16: #475569;
    --psa-p17: #d97706;
    --psa-p18: #92400e;

    /* Alert colors */
    --psa-green: #22c55e;
    --psa-green-dim: rgba(34, 197, 94, 0.12);
    --psa-yellow: #eab308;
    --psa-yellow-dim: rgba(234, 179, 8, 0.12);
    --psa-orange: #f97316;
    --psa-orange-dim: rgba(249, 115, 22, 0.12);
    --psa-red: #ef4444;
    --psa-red-dim: rgba(239, 68, 68, 0.12);
    --psa-critical: #dc2626;
    --psa-critical-dim: rgba(220, 38, 38, 0.12);
}

/* ============================================================
   Base layout
   ============================================================ */
/* ============================================================
   Base layout — 2-col (main | side) used by psa_v3 and others
   ============================================================ */
.psa-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

/* 3-col variant (sessions-col | main | side) — dashboard only */
.psa-layout-3col {
    display: grid;
    grid-template-columns: 220px 1fr 300px;
    gap: 20px;
    max-width: 1520px;
    margin: 0 auto;
}

/* Sessions column */
.psa-session-col {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.psa-session-col .psa-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 12px 10px;
}

.psa-sess-search {
    width: 100%;
    background: var(--psa-bg-hover);
    border: 1px solid var(--psa-border);
    border-radius: 6px;
    padding: 5px 8px;
    font-size: 12px;
    color: var(--psa-text-primary);
    outline: none;
    box-sizing: border-box;
    margin: 6px 0 6px;
    font-family: inherit;
}
.psa-sess-search:focus { border-color: var(--psa-border-light); }
.psa-sess-search::placeholder { color: var(--psa-text-dim); }

.psa-sess-list {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.psa-sess-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 6px 6px;
    border-radius: 5px;
    cursor: pointer;
    transition: background .1s;
    border-left: 2px solid transparent;
}
.psa-sess-item:hover { background: var(--psa-bg-hover); }
.psa-sess-item.psa-active {
    background: var(--psa-bg-hover);
    border-left-color: var(--psa-border-light);
}

.psa-sess-item-top {
    display: flex;
    align-items: center;
    gap: 5px;
}
.psa-sess-item-name {
    flex: 1;
    font-size: 11px;
    color: var(--psa-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.psa-sess-item-meta {
    display: flex;
    gap: 7px;
    font-size: 10px;
    color: var(--psa-text-dim);
    font-family: 'JetBrains Mono', monospace;
    padding-left: 12px;
}

.psa-sess-pager {
    border-top: 1px solid var(--psa-border);
    padding-top: 7px;
    margin-top: 5px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
    flex-shrink: 0;
}
.psa-sess-pager-btn {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--psa-bg-hover);
    border: 1px solid var(--psa-border);
    color: var(--psa-text-secondary);
    cursor: pointer;
    font-family: inherit;
    transition: opacity .15s;
    flex-shrink: 0;
}
.psa-sess-pager-btn:hover:not(:disabled) { opacity: .8; }
.psa-sess-pager-btn:disabled { opacity: .3; cursor: default; }
.psa-sess-pager-info {
    font-size: 10px;
    color: var(--psa-text-dim);
    text-align: center;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.psa-main-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.psa-side-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ============================================================
   Cards
   ============================================================ */
.psa-card {
    background: var(--psa-bg-panel);
    border: 1px solid var(--psa-border);
    border-radius: 12px;
    padding: 20px;
}

.psa-card-no-pad {
    background: var(--psa-bg-panel);
    border: 1px solid var(--psa-border);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.psa-card-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    color: var(--psa-text-secondary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.psa-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--psa-border);
}

.psa-card-header .psa-card-title {
    margin-bottom: 0;
}

.psa-card-count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--psa-text-dim);
}

.psa-card-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.psa-card-body::-webkit-scrollbar { width: 4px; }
.psa-card-body::-webkit-scrollbar-track { background: transparent; }
.psa-card-body::-webkit-scrollbar-thumb { background: var(--psa-border); border-radius: 2px; }

/* ============================================================
   Header / Session title
   ============================================================ */
.psa-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--psa-border);
}

.psa-header-brand {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 400;
    color: var(--psa-text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.psa-header-brand span {
    color: var(--psa-green);
}

.psa-session-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: var(--psa-text-primary);
}

.psa-session-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--psa-text-dim);
}

/* ============================================================
   Session selector dropdown
   ============================================================ */
.psa-session-selector {
    position: relative;
    display: inline-block;
}

.psa-session-select-btn {
    background: var(--psa-bg-card);
    border: 1px solid var(--psa-border);
    border-radius: 8px;
    padding: 8px 14px;
    color: var(--psa-text-primary);
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: border-color 0.15s;
    min-width: 240px;
}

.psa-session-select-btn:hover {
    border-color: var(--psa-text-dim);
}

.psa-session-select-btn::after {
    content: '\25BC';
    font-size: 10px;
    color: var(--psa-text-dim);
    margin-left: auto;
}

.psa-session-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--psa-bg-panel);
    border: 1px solid var(--psa-border);
    border-radius: 8px;
    max-height: 320px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.psa-session-dropdown.psa-open {
    display: block;
}

.psa-session-dropdown-item {
    padding: 10px 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--psa-text-primary);
    border-bottom: 1px solid var(--psa-border);
    transition: background 0.15s;
}

.psa-session-dropdown-item:last-child {
    border-bottom: none;
}

.psa-session-dropdown-item:hover {
    background: var(--psa-bg-hover);
}

.psa-session-dropdown-item.psa-active {
    background: var(--psa-bg-card);
    border-left: 3px solid var(--psa-p1);
}

/* ============================================================
   Posture Strip — Detail view (36px)
   ============================================================ */
.psa-posture-strip {
    display: flex;
    gap: 2px;
    height: 36px;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 6px;
}

.psa-posture-block {
    flex: 1;
    border-radius: 3px;
    cursor: pointer;
    transition: transform 0.15s, opacity 0.15s;
    position: relative;
    min-width: 20px;
}

.psa-posture-block:hover {
    transform: scaleY(1.3);
    opacity: 0.85;
    z-index: 2;
}

/* Stacked C1-C4 strips container */
.psa-stacked-strips {
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin-bottom: 4px;
}

.psa-strip-row {
    display: flex;
    align-items: center;
    gap: 4px;
}

.psa-strip-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    color: var(--psa-text-dim);
    width: 16px;
    flex-shrink: 0;
    text-align: right;
}

.psa-strip-row .psa-posture-strip {
    flex: 1;
    height: 14px;
    margin-bottom: 0;
    border-radius: 3px;
}

/* ============================================================
   Sentence preview
   ============================================================ */
.psa-sentence-preview {
    font-size: 12px;
    color: var(--psa-text-dim);
    line-height: 1.4;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
}

.psa-sentence-preview.psa-visible {
    max-height: 200px;
    padding-top: 8px;
}

.psa-posture-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    margin-right: 6px;
    padding: 1px 5px;
    border-radius: 3px;
    display: inline-block;
}

.psa-classifier-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 500;
    margin-right: 6px;
    padding: 1px 4px;
    border-radius: 3px;
    display: inline-block;
    background: var(--psa-bg-hover);
    color: var(--psa-text-dim);
    border: 1px solid var(--psa-border);
}

.psa-legend-section-header {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 700;
    color: var(--psa-text);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 12px;
    margin-bottom: 4px;
    padding-bottom: 2px;
    border-bottom: 1px solid var(--psa-border);
}

.psa-legend-section-header:first-child {
    margin-top: 0;
}

/* ============================================================
   Turn blocks
   ============================================================ */
.psa-turn-block {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--psa-border);
}

.psa-turn-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.psa-turn-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.psa-turn-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--psa-text-dim);
}

.psa-turn-poi {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
}

.psa-poi-zero { color: var(--psa-text-dim); }
.psa-poi-low { color: var(--psa-yellow); }
.psa-poi-high { color: var(--psa-red); }

/* ============================================================
   Alert badges
   ============================================================ */
.psa-alert-badge {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
}

.psa-alert-green { background: var(--psa-green-dim); color: var(--psa-green); }
.psa-alert-yellow { background: var(--psa-yellow-dim); color: var(--psa-yellow); }
.psa-alert-orange { background: var(--psa-orange-dim); color: var(--psa-orange); }
.psa-alert-red { background: var(--psa-red-dim); color: var(--psa-red); }
.psa-alert-critical { background: var(--psa-critical-dim); color: var(--psa-critical); }

/* ============================================================
   IRS dimension bars (per-turn input risk breakdown)
   ============================================================ */
.psa-irs-bars {
    margin-top: 8px;
    padding: 8px 10px;
    background: rgba(0,0,0,0.2);
    border-radius: 6px;
    border: 1px solid var(--psa-border);
}

.psa-irs-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 600;
    color: var(--psa-text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.psa-irs-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.psa-irs-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--psa-text-dim);
    width: 72px;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.psa-irs-bar-track {
    flex: 1;
    height: 6px;
    background: var(--psa-border);
    border-radius: 3px;
    overflow: hidden;
}

.psa-irs-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.psa-irs-bar-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--psa-text-secondary);
    width: 28px;
    text-align: right;
    flex-shrink: 0;
}

/* ============================================================
   DRM intervention banner
   ============================================================ */
.psa-drm-banner {
    margin-top: 8px;
    padding: 7px 10px;
    border-radius: 5px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.psa-drm-banner-critical {
    background: rgba(220, 38, 38, 0.15);
    border: 1px solid rgba(220, 38, 38, 0.4);
    color: #f87171;
}

.psa-drm-banner-red {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #fca5a5;
}

.psa-drm-banner-orange {
    background: rgba(249, 115, 22, 0.12);
    border: 1px solid rgba(249, 115, 22, 0.35);
    color: #fdba74;
}

/* ============================================================
   DRM session summary card
   ============================================================ */
.psa-drm-summary-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 22px;
    font-weight: 700;
    padding: 12px 0 4px;
    width: 100%;
    text-align: center;
}

.psa-drm-sublabel {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--psa-text-dim);
    text-align: center;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.psa-drm-turns {
    margin-top: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--psa-text-secondary);
    line-height: 1.7;
}

/* ============================================================
   Session Timeline (overview, 16px strips)
   ============================================================ */
.psa-session-timeline {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.psa-timeline-body {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-height: 310px;
}

.psa-turn-details-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 400px;
}

.psa-timeline-row {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 2px 0;
    border-radius: 4px;
    transition: background 0.15s;
}

.psa-timeline-row:hover {
    background: var(--psa-bg-hover);
}

.psa-timeline-row.psa-active {
    background: var(--psa-bg-card);
}

.psa-timeline-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--psa-text-dim);
    width: 24px;
    text-align: right;
    flex-shrink: 0;
}

.psa-timeline-strip {
    display: flex;
    gap: 1px;
    height: 16px;
    flex: 1;
    border-radius: 3px;
    overflow: hidden;
}

.psa-timeline-block {
    flex: 1;
    border-radius: 2px;
    min-width: 8px;
}

.psa-timeline-poi {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    width: 36px;
    text-align: right;
    flex-shrink: 0;
}

.psa-timeline-alert {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ============================================================
   POI Gauge
   ============================================================ */
.psa-poi-gauge {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 16px;
}

.psa-poi-big {
    font-family: 'JetBrains Mono', monospace;
    font-size: 48px;
    font-weight: 600;
    line-height: 1;
}

.psa-poi-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--psa-text-dim);
    margin-top: 4px;
    letter-spacing: 1px;
}

/* ============================================================
   DPD Arrow
   ============================================================ */
.psa-dpd-container {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
}

.psa-dpd-arrow {
    font-size: 24px;
    line-height: 1;
}

.psa-dpd-text {
    font-size: 13px;
    color: var(--psa-text-secondary);
}

/* ============================================================
   Metrics
   ============================================================ */
.psa-metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--psa-border);
}

.psa-metric-row:last-child { border-bottom: none; }

.psa-metric-name {
    font-size: 13px;
    color: var(--psa-text-secondary);
}

.psa-metric-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
}

/* ============================================================
   BHS Score
   ============================================================ */
.psa-bhs-container {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid var(--psa-border);
    margin-top: 4px;
}

.psa-bhs-score {
    font-family: 'JetBrains Mono', monospace;
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
}

.psa-bhs-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--psa-text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.psa-bhs-desc {
    font-size: 12px;
    color: var(--psa-text-secondary);
    margin-top: 2px;
}

/* ============================================================
   Legend
   ============================================================ */
.psa-legend {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 8px;
}

.psa-legend-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px 12px;
    margin-bottom: 6px;
}

.psa-legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--psa-text-dim);
}

.psa-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}

/* ============================================================
   Query bubble
   ============================================================ */
.psa-query-bubble {
    background: #2d1b69;
    color: #c4b5fd;
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 12px;
    display: inline-block;
    margin-bottom: 4px;
    max-width: 100%;
    word-break: break-word;
}

/* ============================================================
   Tabs
   ============================================================ */
.psa-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
    background: var(--psa-bg-deep);
    border-radius: 8px;
    padding: 3px;
}

.psa-tab {
    flex: 1;
    padding: 8px 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--psa-text-dim);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.psa-tab.psa-active {
    background: var(--psa-bg-card);
    color: var(--psa-text-primary);
}

.psa-tab:hover:not(.psa-active) {
    color: var(--psa-text-secondary);
}

/* ============================================================
   Collapsible ACT Advanced panel
   ============================================================ */
.psa-collapsible-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.psa-collapsible-header .psa-chevron {
    font-size: 12px;
    color: var(--psa-text-dim);
    transition: transform 0.2s;
}

.psa-collapsible-header.psa-expanded .psa-chevron {
    transform: rotate(180deg);
}

.psa-collapsible-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.psa-collapsible-body.psa-expanded {
    max-height: 600px;
}

/* ============================================================
   SOC — Stats bar
   ============================================================ */
.psa-stats-bar {
    display: flex;
    gap: 12px;
    max-width: 1400px;
    margin: 0 auto 20px;
}

.psa-stat-card {
    flex: 1;
    background: var(--psa-bg-panel);
    border: 1px solid var(--psa-border);
    border-radius: 10px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.psa-stat-label {
    font-size: 12px;
    color: var(--psa-text-dim);
    margin-bottom: 2px;
}

.psa-stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 28px;
    font-weight: 700;
}

.psa-stat-sub {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--psa-text-dim);
}

/* ============================================================
   SOC — Main layout
   ============================================================ */
.psa-soc-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 340px;
    gap: 16px;
    max-width: 1600px;
    margin: 0 auto;
}

.psa-soc-right {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ============================================================
   SOC — Live Feed (12px strips)
   ============================================================ */
.psa-feed-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--psa-border);
    cursor: pointer;
    transition: background 0.15s;
}

.psa-feed-item:hover { background: var(--psa-bg-hover); }

.psa-feed-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 5px;
}

.psa-feed-content { flex: 1; min-width: 0; }

.psa-feed-session {
    font-size: 13px;
    font-weight: 500;
    color: var(--psa-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.psa-feed-detail {
    font-size: 11px;
    color: var(--psa-text-dim);
    margin-top: 2px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.psa-feed-strip {
    display: flex;
    gap: 1px;
    height: 12px;
    flex: 1;
    border-radius: 2px;
    overflow: hidden;
    margin-top: 6px;
}

.psa-feed-strip-block {
    flex: 1;
    border-radius: 1px;
    min-width: 4px;
}

.psa-feed-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--psa-text-dim);
    flex-shrink: 0;
    text-align: right;
    min-width: 44px;
}

.psa-feed-poi {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
}

/* ============================================================
   SOC — Session Grid
   ============================================================ */
.psa-session-grid {
    display: flex;
    flex-direction: column;
}

.psa-grid-header {
    display: grid;
    grid-template-columns: 36px 1fr 140px 60px 50px 44px;
    gap: 8px;
    padding: 8px 18px;
    border-bottom: 1px solid var(--psa-border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--psa-text-dim);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: sticky;
    top: 0;
    background: var(--psa-bg-panel);
    z-index: 2;
}

.psa-grid-row {
    display: grid;
    grid-template-columns: 36px 1fr 140px 60px 50px 44px;
    gap: 8px;
    padding: 10px 18px;
    border-bottom: 1px solid var(--psa-border);
    align-items: center;
    cursor: pointer;
    transition: background 0.15s;
}

.psa-grid-row:hover { background: var(--psa-bg-hover); }

.psa-grid-alert {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.psa-grid-name {
    font-size: 13px;
    color: var(--psa-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.psa-grid-strip {
    display: flex;
    gap: 1px;
    height: 20px;
    border-radius: 3px;
    overflow: hidden;
}

.psa-grid-strip-block {
    flex: 1;
    border-radius: 1px;
    min-width: 3px;
}

.psa-grid-turns,
.psa-grid-poi-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--psa-text-secondary);
    text-align: right;
}

.psa-grid-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 3px;
    text-align: center;
}

/* ============================================================
   SOC — Filter tabs
   ============================================================ */
.psa-filter-tabs {
    display: flex;
    gap: 4px;
    padding: 0 18px;
}

.psa-filter-tab {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid var(--psa-border);
    background: transparent;
    color: var(--psa-text-dim);
    cursor: pointer;
    transition: all 0.15s;
}

.psa-filter-tab.psa-active {
    border-color: var(--psa-text-secondary);
    color: var(--psa-text-primary);
}

.psa-filter-tab:hover:not(.psa-active) {
    border-color: var(--psa-text-dim);
}

.psa-filter-tab.psa-f-red.psa-active { border-color: var(--psa-red); color: var(--psa-red); background: var(--psa-red-dim); }
.psa-filter-tab.psa-f-critical.psa-active { border-color: var(--psa-critical); color: var(--psa-critical); background: var(--psa-critical-dim); }
.psa-filter-tab.psa-f-yellow.psa-active { border-color: var(--psa-yellow); color: var(--psa-yellow); background: var(--psa-yellow-dim); }
.psa-filter-tab.psa-f-green.psa-active { border-color: var(--psa-green); color: var(--psa-green); background: var(--psa-green-dim); }

/* ============================================================
   SOC — Distribution bars
   ============================================================ */
.psa-dist-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
}

.psa-dist-label {
    font-size: 12px;
    color: var(--psa-text-secondary);
    width: 70px;
    flex-shrink: 0;
}

.psa-dist-bar-bg {
    flex: 1;
    height: 20px;
    background: var(--psa-bg-deep);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.psa-dist-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s ease;
}

.psa-dist-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    width: 40px;
    text-align: right;
    flex-shrink: 0;
}

/* ============================================================
   SOC — Posture heatmap
   ============================================================ */
.psa-posture-heatmap {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 2px;
    padding: 4px 0;
}

.psa-heatmap-cell {
    aspect-ratio: 1;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    color: rgba(255, 255, 255, 0.6);
    cursor: default;
    position: relative;
    transition: transform 0.15s;
}

.psa-heatmap-cell:hover {
    transform: scale(1.2);
    z-index: 2;
}

.psa-heatmap-labels {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 2px;
    margin-top: 2px;
}

.psa-heatmap-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 7px;
    color: var(--psa-text-dim);
    text-align: center;
}

/* ============================================================
   SOC — Top sessions
   ============================================================ */
.psa-top-session {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--psa-border);
}

.psa-top-session:last-child { border-bottom: none; }

.psa-top-rank {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--psa-text-dim);
    width: 18px;
    flex-shrink: 0;
}

.psa-top-info { flex: 1; min-width: 0; }

.psa-top-name {
    font-size: 12px;
    color: var(--psa-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.psa-top-meta {
    font-size: 10px;
    color: var(--psa-text-dim);
    margin-top: 1px;
}

.psa-top-poi {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
}

/* ============================================================
   SOC — Status pill
   ============================================================ */
.psa-status-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--psa-border);
}

.psa-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    animation: psa-pulse 2s infinite;
}

@keyframes psa-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ============================================================
   SOC — Model breakdown
   ============================================================ */
.psa-model-row {
    padding: 8px 0;
    border-bottom: 1px solid var(--psa-border);
}

.psa-model-row:last-child { border-bottom: none; }

.psa-model-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.psa-model-name {
    font-size: 12px;
    color: var(--psa-text-primary);
}

.psa-model-count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--psa-text-dim);
}

.psa-model-bar {
    display: flex;
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    gap: 1px;
}

.psa-model-bar-segment {
    border-radius: 2px;
}

.psa-model-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 3px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
}

/* ============================================================
   Transition matrix (ACT Advanced)
   ============================================================ */
.psa-matrix-grid {
    display: grid;
    gap: 1px;
    margin-top: 8px;
}

.psa-matrix-cell {
    aspect-ratio: 1;
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    color: rgba(255, 255, 255, 0.5);
}

.psa-matrix-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--psa-text-dim);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================================
   Loading state
   ============================================================ */
.psa-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--psa-text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
}

.psa-spinner {
    border: 2px solid var(--psa-border);
    border-top: 2px solid var(--psa-p1);
    border-radius: 50%;
    width: 18px;
    height: 18px;
    animation: psa-spin 0.6s linear infinite;
    display: inline-block;
    margin-right: 8px;
}

@keyframes psa-spin {
    to { transform: rotate(360deg); }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1200px) {
    .psa-layout {
        grid-template-columns: 1fr;
    }

    .psa-layout-3col {
        grid-template-columns: 200px 1fr;
    }

    .psa-layout-3col .psa-side-panel {
        display: none;
    }

    .psa-side-panel {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .psa-soc-layout {
        grid-template-columns: 1fr 1fr;
    }

    .psa-soc-right {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
}

@media (max-width: 900px) {
    .psa-soc-layout {
        grid-template-columns: 1fr;
    }

    .psa-soc-right {
        grid-template-columns: 1fr;
    }

    .psa-stats-bar {
        flex-wrap: wrap;
    }

    .psa-stat-card {
        min-width: calc(50% - 6px);
    }
}

@media (max-width: 768px) {
    .psa-layout {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .psa-layout-3col {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .psa-layout-3col .psa-session-col {
        display: none;
    }

    .psa-side-panel {
        grid-template-columns: 1fr;
    }

    .psa-stats-bar {
        flex-direction: column;
    }

    .psa-stat-card {
        min-width: 100%;
    }

    .psa-grid-header,
    .psa-grid-row {
        grid-template-columns: 28px 1fr 80px 44px;
    }

    .psa-grid-row > :nth-child(4),
    .psa-grid-header > :nth-child(4) {
        display: none;
    }
    .psa-grid-row > :nth-child(5),
    .psa-grid-header > :nth-child(5) {
        display: none;
    }

    .psa-session-select-btn {
        min-width: 180px;
    }
}

/* ============================================================
   AI Explain button + accordion (per-turn SLM explanation)
   ============================================================ */
.psa-tl-ai-btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 1px 5px;
    border-radius: 3px;
    border: 1px solid var(--psa-border-light);
    background: var(--psa-bg-hover);
    color: var(--psa-text-dim);
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.12s;
}
.psa-tl-ai-btn:hover, .psa-tl-ai-btn-active {
    background: rgba(108,71,212,0.15);
    color: #a78bfa;
    border-color: rgba(108,71,212,0.4);
}
.psa-tl-explain {
    padding: 8px 10px 8px 32px;
    border-left: 2px solid var(--psa-border-light);
    margin: 2px 0 4px 24px;
}

.psa-explain-btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 2px 7px;
    border-radius: 4px;
    border: 1px solid var(--psa-border-light);
    background: var(--psa-bg-hover);
    color: var(--psa-text-secondary);
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    white-space: nowrap;
}
.psa-explain-btn:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.4);
    color: #a78bfa;
}
.psa-explain-btn-active {
    background: rgba(139, 92, 246, 0.18);
    border-color: rgba(139, 92, 246, 0.5);
    color: #c4b5fd;
}

.psa-explain-accordion {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, opacity 0.2s ease;
    opacity: 0;
    margin-top: 0;
}
.psa-explain-accordion.psa-explain-open {
    max-height: 200px;
    opacity: 1;
    margin-top: 8px;
}
.psa-explain-body {
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid rgba(139, 92, 246, 0.2);
    background: rgba(139, 92, 246, 0.06);
}
.psa-explain-text {
    font-size: 12px;
    line-height: 1.6;
    color: var(--psa-text-secondary);
    margin: 0 0 6px 0;
}
.psa-explain-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--psa-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.psa-explain-loading {
    font-size: 11px;
    color: var(--psa-text-dim);
    font-style: italic;
}
.psa-explain-error {
    font-size: 11px;
    color: var(--psa-red);
}
.psa-explain-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    gap: 8px;
}
.psa-feedback-chips {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}
.psa-feedback-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid var(--psa-border-light);
    background: var(--psa-bg-hover);
    color: var(--psa-text-secondary);
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.psa-feedback-pos:hover {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.35);
    color: var(--psa-green);
}
.psa-feedback-neg:hover {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.35);
    color: var(--psa-red);
}
.psa-feedback-chip-active.psa-feedback-pos {
    background: rgba(34, 197, 94, 0.15);
    border-color: rgba(34, 197, 94, 0.5);
    color: var(--psa-green);
}
.psa-feedback-chip-active.psa-feedback-neg {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.5);
    color: var(--psa-red);
}
.psa-feedback-chip:disabled {
    cursor: default;
    opacity: 0.6;
}
.psa-correction-wrap {
    margin-top: 8px;
    display: flex;
    gap: 6px;
    align-items: flex-start;
}
.psa-correction-input {
    flex: 1;
    background: var(--psa-bg-deep);
    border: 1px solid var(--psa-border-light);
    border-radius: 4px;
    color: var(--psa-text-secondary);
    font-size: 11px;
    padding: 6px 8px;
    resize: vertical;
    font-family: 'DM Sans', sans-serif;
}
.psa-correction-input:focus {
    outline: none;
    border-color: rgba(139, 92, 246, 0.4);
}
.psa-correction-send {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid rgba(139, 92, 246, 0.4);
    background: rgba(139, 92, 246, 0.12);
    color: #a78bfa;
    cursor: pointer;
    white-space: nowrap;
    align-self: flex-end;
}

/* ── LLM Signature Detection ─────────────────────────────────── */
.psa-signatures {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 8px;
}
.psa-sig-badge {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .04em;
    padding: 2px 7px;
    border-radius: 100px;
    border: 1px solid;
    cursor: default;
    white-space: nowrap;
}
.psa-sig-summary {
    padding: 10px 14px;
}
.psa-sig-summary-title {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--psa-text-dim);
    margin-bottom: 10px;
}
.psa-sig-summary-rows {
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.psa-sig-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 11px;
}
.psa-sig-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    top: 1px;
}
.psa-sig-name {
    font-weight: 600;
    min-width: 140px;
    flex-shrink: 0;
}
.psa-sig-count {
    color: var(--psa-text-dim);
    font-size: 10px;
    min-width: 52px;
    flex-shrink: 0;
}
.psa-sig-desc {
    color: var(--psa-text-secondary);
    font-size: 10px;
    line-height: 1.4;
}

/* ── PSA Tooltips ─────────────────────────────────────────────── */
[data-tooltip] {
    position: relative;
    cursor: help;
    text-decoration: underline dotted rgba(255,255,255,0.25);
    text-underline-offset: 2px;
}
[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: #1a1a2e;
    color: #e8e8f0;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 12px;
    line-height: 1.5;
    white-space: normal;
    width: 260px;
    max-width: 90vw;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 9999;
    text-decoration: none;
    font-weight: 400;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
[data-tooltip]:hover::after {
    opacity: 1;
}
[data-tooltip].psa-tip-right::after {
    left: auto;
    right: 0;
    transform: none;
}
[data-tooltip].psa-tip-left::after {
    left: 0;
    transform: none;
}