/* ─── LAB: Modern visualization within newspaper chrome ─── */

/* INTRO */
.lab-intro {
    padding: 24px 0;
    border-bottom: 1px solid #999080;
}
.lab-intro-text {
    font-style: italic;
    font-size: 14px;
    color: #4a4a3a;
    line-height: 1.7;
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

/* ─── STATS BAR ─── */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid #999080;
}
.stat-card {
    text-align: center;
    padding: 20px 12px;
    border-right: 1px solid #c4bfb0;
    transition: background 0.2s;
}
.stat-card:last-child { border-right: none; }
.stat-card:hover { background: rgba(26, 26, 24, 0.03); }
.stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
    color: #1a1a18;
}
.stat-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #8a8a78;
    margin-top: 6px;
}

/* ─── INVESTIGATION CARDS ─── */
.inv-card {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 24px;
    margin: 16px 0;
    border: 1px solid #c4bfb0;
    background: #f0ebe0;
    transition: all 0.2s ease;
    position: relative;
}
.inv-card:hover {
    border-color: #1a1a18;
    box-shadow: 3px 3px 0 #1a1a18;
    transform: translate(-2px, -2px);
}
.inv-queued { opacity: 0.7; cursor: default; }
.inv-queued:hover { 
    border-color: #c4bfb0; 
    box-shadow: none; 
    transform: none; 
}
.inv-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.inv-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 4px 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.inv-badge-active {
    background: #1a1a18;
    color: #f0ebe0;
}
.inv-badge-queued {
    border: 1px solid #999080;
    color: #6a6a58;
}
.inv-badge-complete {
    background: #3a5a3a;
    color: #f0ebe0;
}
.inv-pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #6abf6a;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.inv-id {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: #8a8a78;
    letter-spacing: 1px;
}
.inv-title {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 8px;
}
.inv-desc {
    font-size: 13px;
    line-height: 1.65;
    color: #4a4a3a;
    margin-bottom: 16px;
}

/* Progress bar */
.inv-progress-wrap {
    width: 100%;
    height: 3px;
    background: #d5cebb;
    margin-bottom: 12px;
    overflow: hidden;
}
.inv-progress-bar {
    height: 100%;
    background: #1a1a18;
    transition: width 0.6s ease;
}

.inv-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.inv-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.inv-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 1px;
    color: #6a6a58;
    border: 1px solid #c4bfb0;
    padding: 2px 8px;
    transition: all 0.15s;
}
.inv-card:hover .inv-tag {
    border-color: #999080;
}
.inv-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 1px;
    color: #8a8a78;
}
.inv-threads-summary {
    display: flex;
    gap: 16px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dotted #c4bfb0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: #6a6a58;
    letter-spacing: 0.5px;
}

/* ─── METHODOLOGY GRID ─── */
.method-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid #999080;
}
.method-step {
    padding: 20px 16px;
    border-right: 1px solid #c4bfb0;
    transition: background 0.2s;
}
.method-step:last-child { border-right: none; }
.method-step:hover { background: rgba(26, 26, 24, 0.03); }
.method-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 28px;
    font-weight: 500;
    color: #c4bfb0;
    line-height: 1;
    margin-bottom: 8px;
}
.method-step h4 {
    font-family: 'Playfair Display', serif;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}
.method-step p {
    font-size: 12px;
    line-height: 1.55;
    color: #4a4a3a;
    margin-bottom: 10px;
}
.method-tools {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 1px;
    color: #8a8a78;
}

/* ─── INVESTIGATION HERO ─── */
.inv-hero {
    text-align: center;
    padding: 32px 0 28px;
    border-bottom: 1px solid #999080;
}
.inv-hero-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    background: #1a1a18;
    color: #f0ebe0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 16px;
    margin-bottom: 20px;
}
.inv-hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(30px, 5vw, 48px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.5px;
    margin-bottom: 14px;
}
.inv-hero-subtitle {
    font-style: italic;
    font-size: 15px;
    color: #4a4a3a;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}
.inv-hero-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #8a8a78;
    margin-top: 16px;
}

/* ─── QUESTION BLOCK ─── */
.inv-question {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px 24px;
    border-bottom: 1px solid #999080;
    background: rgba(26, 26, 24, 0.025);
    font-size: 13.5px;
    line-height: 1.65;
    color: #2a2a22;
}
.inv-question-icon {
    font-family: 'Playfair Display', serif;
    font-size: 32px;
    font-weight: 900;
    color: #c4bfb0;
    line-height: 1;
    flex-shrink: 0;
}

/* ─── FINDING CARDS ─── */
.finding-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid #999080;
}
.finding-card {
    border: 1px solid #c4bfb0;
    padding: 20px;
    transition: all 0.2s;
}
.finding-card:hover {
    border-color: #999080;
    box-shadow: 2px 2px 0 rgba(26,26,24,0.08);
}
.finding-critical {
    border-left: 3px solid #1a1a18;
}
.finding-severity {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #6a6a58;
    margin-bottom: 8px;
}
.finding-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.25;
}
.finding-card p {
    font-size: 12.5px;
    line-height: 1.6;
    color: #3a3a30;
}
.finding-card a { color: #1a3a5c; }
.finding-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 1px;
    color: #8a8a78;
    margin-top: 12px;
}

/* Finding bar chart */
.finding-visual {
    margin: 12px 0;
    padding: 12px 0;
    border-top: 1px dotted #c4bfb0;
    border-bottom: 1px dotted #c4bfb0;
}
.finding-bar-group { display: flex; flex-direction: column; gap: 8px; }
.finding-bar-row {
    display: grid;
    grid-template-columns: 80px 1fr 30px;
    align-items: center;
    gap: 8px;
}
.finding-bar-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 0.5px;
    color: #6a6a58;
    text-align: right;
}
.finding-bar-track {
    height: 12px;
    background: #e8e3d8;
    overflow: hidden;
}
.finding-bar-fill {
    height: 100%;
    background: #1a1a18;
    transition: width 1s ease;
}
.finding-bar-dead { background: #8a4a4a; }
.finding-bar-muted { background: #999080; }
.finding-bar-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    color: #1a1a18;
}

/* ─── NEXT STEPS ─── */
.inv-next {
    padding: 8px 0 16px;
    border-bottom: 1px solid #999080;
}
.inv-next-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px dotted #c4bfb0;
    transition: padding-left 0.15s;
}
.inv-next-item:hover { padding-left: 6px; }
.inv-next-item:last-child { border-bottom: none; }
.inv-next-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 22px;
    font-weight: 500;
    color: #c4bfb0;
    line-height: 1;
    flex-shrink: 0;
    width: 36px;
}
.inv-next-item strong {
    font-family: 'Playfair Display', serif;
    font-size: 14px;
    display: block;
    margin-bottom: 2px;
}
.inv-next-item p {
    font-size: 12.5px;
    line-height: 1.55;
    color: #4a4a3a;
    margin: 0;
}

/* ─── RESEARCH LOG ENTRIES ─── */
.log-entry {
    padding: 24px 0;
    border-bottom: 1px solid #c4bfb0;
    transition: background 0.4s ease, padding-left 0.3s ease;
}
.log-entry-highlight {
    background: rgba(26, 26, 24, 0.04);
    padding-left: 12px;
}
.log-entry-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 14px;
}
.log-entry-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 44px;
    padding: 6px 0;
}
.log-date-day {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 900;
    line-height: 1;
    color: #1a1a18;
}
.log-date-month {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #8a8a78;
}
.log-entry-info {
    flex: 1;
}
.log-entry-info h3 {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 2px;
}
.log-entry-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #8a8a78;
}
.log-entry-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 4px 12px;
    flex-shrink: 0;
    align-self: center;
}
.log-tag-shipped {
    background: #3a5a3a;
    color: #f0ebe0;
}
.log-tag-finding {
    background: #1a1a18;
    color: #f0ebe0;
}
.log-tag-update {
    border: 1px solid #999080;
    color: #6a6a58;
}
.log-entry-body {
    font-size: 13px;
    line-height: 1.65;
    color: #3a3a30;
    padding-left: 60px;
}
.log-entry-body p { margin-bottom: 0; }
.log-links {
    display: flex;
    gap: 12px;
    margin-top: 14px;
}
.log-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    letter-spacing: 1px;
    color: #1a1a18;
    text-decoration: none;
    padding: 5px 14px;
    border: 1px solid #1a1a18;
    transition: all 0.15s;
}
.log-link:hover {
    background: #1a1a18;
    color: #f0ebe0;
}

/* ─── STICKY CHRONOLOGICAL TIMELINE BAR ─── */
.chrono-bar {
    position: sticky;
    bottom: 0;
    background: #f0ebe0;
    border-top: 2px solid #1a1a18;
    padding: 14px 0 10px;
    z-index: 100;
    margin-top: 20px;
}
.chrono-bar::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #f0ebe0;
    z-index: -1;
}
.chrono-track {
    display: flex;
    align-items: center;
    gap: 0;
    position: relative;
    overflow-x: auto;
    padding: 0 8px;
    scrollbar-width: none;
}
.chrono-track::-webkit-scrollbar { display: none; }
.chrono-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #c4bfb0;
    transform: translateY(-8px);
}
.chrono-point {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0 20px;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    transition: all 0.15s;
}
.chrono-point:hover .chrono-dot {
    transform: scale(1.4);
}
.chrono-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #c4bfb0;
    border: 2px solid #f0ebe0;
    box-shadow: 0 0 0 1px #c4bfb0;
    transition: all 0.2s;
}
.chrono-point.active .chrono-dot {
    background: #1a1a18;
    box-shadow: 0 0 0 2px #1a1a18;
    transform: scale(1.3);
}
.chrono-dot-hollow {
    background: #f0ebe0 !important;
    border: 2px solid #c4bfb0 !important;
    box-shadow: none !important;
}
.chrono-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 7px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #8a8a78;
    text-align: center;
    line-height: 1.5;
    white-space: nowrap;
    transition: color 0.15s;
}
.chrono-label em {
    font-style: normal;
    display: block;
    color: #6a6a58;
    font-size: 7px;
}
.chrono-point.active .chrono-label,
.chrono-point.active .chrono-label em {
    color: #1a1a18;
    font-weight: 500;
}
.chrono-label-future {
    color: #c4bfb0;
    font-style: italic;
}
.chrono-future {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 0 20px;
    flex-shrink: 0;
}

/* ─── INVESTIGATION DETAIL PAGE ─── */

/* Stat row on detail pages */
.inv-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid #999080;
}
.inv-stat {
    text-align: center;
    padding: 24px 12px;
    border-right: 1px solid #c4bfb0;
}
.inv-stat:last-child { border-right: none; }
.inv-stat-num {
    font-family: 'Playfair Display', serif;
    font-size: 42px;
    font-weight: 900;
    line-height: 1;
    color: #1a1a18;
}
.inv-stat-unit {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    letter-spacing: 1px;
    color: #8a8a78;
    display: block;
    margin-top: 2px;
}
.inv-stat-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #8a8a78;
    margin-top: 6px;
}

/* Thread cards */
.thread-list { padding: 8px 0; }
.thread-card {
    display: grid;
    grid-template-columns: 4px 1fr;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px dotted #c4bfb0;
    transition: all 0.15s;
}
.thread-card:hover { padding-left: 4px; }
.thread-card:last-child { border-bottom: 1px solid #999080; }
.thread-bar { 
    border-radius: 2px;
    min-height: 100%;
}
.thread-bar-active { background: #1a1a18; }
.thread-bar-queued { background: #c4bfb0; }
.thread-bar-done { background: #5a8a5a; }
.thread-content {}
.thread-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #6a6a58;
    margin-bottom: 6px;
}
.thread-title {
    font-family: 'Playfair Display', serif;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 6px;
}
.thread-desc {
    font-size: 12.5px;
    line-height: 1.6;
    color: #3a3a30;
}
.thread-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 8px;
    letter-spacing: 1px;
    color: #8a8a78;
    margin-top: 8px;
}

/* Timeline */
.timeline { 
    padding: 8px 0;
    border-bottom: 1px solid #999080;
    position: relative;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 69px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: #c4bfb0;
}
.tl-event {
    display: grid;
    grid-template-columns: 60px 20px 1fr;
    gap: 0;
    padding: 16px 0;
    position: relative;
}
.tl-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    letter-spacing: 0.5px;
    color: #6a6a58;
    text-align: right;
    padding-top: 3px;
}
.tl-dot-wrap {
    display: flex;
    justify-content: center;
    padding-top: 5px;
}
.tl-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #1a1a18;
    position: relative;
    z-index: 1;
}
.tl-dot-hollow {
    background: #f0ebe0;
    border: 2px solid #1a1a18;
}
.tl-body {
    padding-left: 12px;
}
.tl-title {
    font-family: 'Playfair Display', serif;
    font-size: 14px;
    font-weight: 700;
    color: #1a1a18;
    margin-bottom: 4px;
    line-height: 1.3;
}
.tl-desc {
    font-size: 12px;
    line-height: 1.55;
    color: #4a4a3a;
}
.tl-desc a { color: #1a3a5c; }

/* ─── RESPONSIVE ─── */
@media (max-width: 700px) {
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .stats-bar .stat-card:nth-child(2) { border-right: none; }
    .method-grid { grid-template-columns: 1fr 1fr; }
    .method-step:nth-child(2) { border-right: none; }
    .method-step { border-bottom: 1px dotted #c4bfb0; }
    .inv-stats { grid-template-columns: 1fr; }
    .inv-stat { border-right: none; border-bottom: 1px dotted #c4bfb0; padding: 16px; }
    .inv-stat:last-child { border-bottom: none; }
    .inv-card { padding: 16px; }
    .inv-meta-row { flex-direction: column; gap: 8px; align-items: flex-start; }
    .inv-threads-summary { flex-wrap: wrap; gap: 10px; }
    .timeline::before { left: 9px; }
    .tl-event { grid-template-columns: 1fr; padding-left: 28px; }
    .tl-date { text-align: left; }
    .tl-dot-wrap { 
        position: absolute; left: 0; top: 18px;
    }
    .tl-body { padding-left: 0; }
    .finding-cards { grid-template-columns: 1fr; }
    .inv-question { padding: 16px; }
    .log-entry-body { padding-left: 0; }
    .log-entry-header { flex-wrap: wrap; }
    .chrono-bar { padding: 10px 0 8px; }
    .chrono-point { padding: 0 12px; }
}