/* ===================================================
   JAESWIFT.XYZ — Operator Life Timeline
   Black-ops HUD timeline with zoom, pan, filters, search
   =================================================== */

/* --- Timeline Section --- */
.timeline-section {
    max-width: clamp(1100px, 88vw, 1900px);
    margin: 0 auto;
    padding: 0 1.5rem 2rem;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.timeline-kicker {
    font-family: var(--font-mono);
    color: var(--status-green);
    letter-spacing: 3px;
    font-size: .62rem;
    text-transform: uppercase;
    margin-bottom: .35rem;
}

.timeline-title {
    font-family: var(--font-display);
    color: var(--accent);
    letter-spacing: 3px;
    font-size: clamp(1.1rem, 2.5vw, 1.8rem);
    margin: 0;
    text-transform: uppercase;
}

.timeline-subtitle {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: .65rem;
    letter-spacing: 1px;
    margin-top: .3rem;
}

/* --- Controls Bar --- */
.timeline-controls {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-wrap: wrap;
}

.timeline-search-box {
    position: relative;
}

.timeline-search-input {
    background: rgba(0,0,0,0.5);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: .65rem;
    padding: .5rem .8rem .5rem 1.8rem;
    border-radius: 4px;
    width: 220px;
    transition: opacity .18s ease, border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
    letter-spacing: .5px;
}

.timeline-search-input:focus {
    outline: none;
    border-color: var(--status-green);
    box-shadow: 0 0 12px rgba(0,204,51,0.2);
}

.timeline-search-input::placeholder {
    color: var(--text-muted);
}

.timeline-search-icon {
    position: absolute;
    left: .5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: .7rem;
}

.tl-btn {
    background: rgba(0,204,51,0.04);
    border: 1px solid rgba(0,204,51,0.18);
    color: var(--status-green);
    font-family: var(--font-mono);
    font-size: .6rem;
    letter-spacing: 1.5px;
    padding: .5rem .7rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all .2s ease;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}

.tl-btn:hover {
    border-color: rgba(0,204,51,0.5);
    background: rgba(0,204,51,0.08);
    transform: translateY(-1px);
}

.tl-btn.active {
    background: rgba(0,204,51,0.15);
    border-color: var(--status-green);
}

.tl-btn-icon {
    font-size: .75rem;
}

/* --- Category Filters --- */
.timeline-filters {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 1rem;
}

.tl-filter-chip {
    font-family: var(--font-mono);
    font-size: .58rem;
    letter-spacing: 1.4px;
    padding: .4rem .6rem;
    border-radius: 999px;
    cursor: pointer;
    transition: all .2s ease;
    text-transform: uppercase;
    border: 1px solid;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    user-select: none;
}

.tl-filter-chip .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.tl-filter-chip.active {
    filter: brightness(1.3);
}

.tl-filter-chip.inactive {
    opacity: 0.35;
    filter: grayscale(0.6);
}

/* --- Timeline Track Container --- */
.timeline-viewport {
    position: relative;
    background: linear-gradient(135deg, rgba(10,20,18,0.85), rgba(6,6,8,0.95));
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 18px 60px rgba(0,0,0,0.4);
    user-select: none;
}

.timeline-viewport::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,204,51,0.5), transparent);
    z-index: 10;
}

/* --- Zoom Controls --- */
.timeline-zoom-controls {
    position: absolute;
    top: .6rem;
    right: .6rem;
    display: flex;
    flex-direction: column;
    gap: .3rem;
    z-index: 20;
}

.tl-zoom-btn {
    width: 30px;
    height: 30px;
    background: rgba(0,0,0,0.6);
    border: 1px solid rgba(0,204,51,0.2);
    color: var(--status-green);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    transition: all .2s ease;
    font-family: var(--font-mono);
}

.tl-zoom-btn:hover {
    background: rgba(0,204,51,0.1);
    border-color: rgba(0,204,51,0.5);
}

/* --- Timeline Canvas (the pannable area) --- */
.timeline-canvas {
    position: relative;
    height: 640px;
    overflow: hidden;
    cursor: grab;
}

.timeline-canvas.dragging {
    cursor: grabbing;
}

.timeline-track {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    transform-origin: 0 0;
    transition: transform .15s ease-out;
}

.timeline-track.no-transition {
    transition: none;
}

/* --- The centre line --- */
.timeline-axis {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(0,204,51,0.25) 5%, rgba(0,204,51,0.5) 50%, rgba(0,204,51,0.25) 95%, transparent 100%);
    transform: translateY(-50%);
}

/* --- Year markers on the axis --- */
.tl-year-marker {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
}

.tl-year-tick {
    width: 1px;
    height: 12px;
    background: rgba(0,204,51,0.3);
}

.tl-year-label {
    font-family: var(--font-mono);
    font-size: .6rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-top: 4px;
    white-space: nowrap;
}

.tl-year-marker.major .tl-year-tick {
    height: 20px;
    background: rgba(0,204,51,0.5);
}

.tl-year-marker.major .tl-year-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: .68rem;
}

/* --- Event Nodes --- */
.tl-event {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    cursor: pointer;
}

.tl-event-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid;
    background: rgba(0,0,0,0.7);
    transition: all .25s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.tl-event-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid;
    opacity: 0;
    transition: all .3s ease;
}

.tl-event:hover .tl-event-dot {
    transform: scale(1.4);
    box-shadow: 0 0 20px currentColor;
}

.tl-event:hover .tl-event-dot::after {
    inset: -8px;
    opacity: 0.5;
}

.tl-event.expanded .tl-event-dot {
    transform: scale(1.6);
    box-shadow: 0 0 25px currentColor;
}

.tl-event.expanded .tl-event-dot::after {
    inset: -10px;
    opacity: 0.7;
    animation: tl-pulse-ring 1.5s ease-out infinite;
}

@keyframes tl-pulse-ring {
    0% { inset: -6px; opacity: 0.7; }
    100% { inset: -16px; opacity: 0; }
}

/* --- Event Circle Thumbnail --- */
.tl-event-thumb {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid;
    background: rgba(0,0,0,0.8);
    pointer-events: none;
    transition: transform .3s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 2;
}

.tl-event:hover .tl-event-thumb,
.tl-event.expanded .tl-event-thumb {
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 0 0 15px currentColor, 0 4px 12px rgba(0,0,0,0.4);
}

.tl-event.above .tl-event-thumb {
    top: 50%;
    transform: translate(-50%, -180%) scale(0);
}

.tl-event.above:hover .tl-event-thumb,
.tl-event.above.expanded .tl-event-thumb {
    transform: translate(-50%, -180%) scale(1);
}

.tl-event.below .tl-event-thumb {
    top: 50%;
    transform: translate(-50%, 80%) scale(0);
}

.tl-event.below:hover .tl-event-thumb,
.tl-event.below.expanded .tl-event-thumb {
    transform: translate(-50%, 80%) scale(1);
}

@keyframes tl-thumb-pop {
    0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    60% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

.tl-event:hover .tl-event-thumb {
    animation: tl-thumb-pop .35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* --- Event label (date) --- */
.tl-event-date {
    position: absolute;
    left: 50%;
    transform: translateX(calc(-50% + var(--tl-popup-shift, 0px)));
    font-family: var(--font-mono);
    font-size: .55rem;
    color: var(--text-muted);
    letter-spacing: .5px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity .25s ease;
}

.tl-event.above .tl-event-date {
    bottom: 22px;
}

.tl-event.below .tl-event-date {
    top: 22px;
}

.tl-event:hover .tl-event-date,
.tl-event.expanded .tl-event-date {
    opacity: 1;
}

/* --- Hover Popup --- */
.tl-popup {
    position: absolute;
    left: 50%;
    transform: translateX(calc(-50% + var(--tl-popup-shift, 0px)));
    background: rgba(8,10,9,0.96);
    border: 1px solid rgba(0,204,51,0.25);
    border-radius: 6px;
    padding: .8rem;
    min-width: 240px;
    max-width: 320px;
    pointer-events: none;
    opacity: 0;
    transition: opacity .25s ease, box-shadow .25s ease;
    z-index: 50;
    backdrop-filter: blur(10px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

.tl-event.above .tl-popup {
    bottom: 38px;
}

.tl-event.below .tl-popup {
    top: 38px;
}

.tl-event:hover .tl-popup {
    opacity: 1;
    pointer-events: auto;
}

.tl-popup::after {
    content: '';
    position: absolute;
    left: var(--tl-popup-arrow-left, 50%);
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
}

.tl-event.above .tl-popup::after {
    top: 100%;
    border-top: 6px solid rgba(8,10,9,0.96);
}

.tl-event.below .tl-popup::after {
    bottom: 100%;
    border-bottom: 6px solid rgba(8,10,9,0.96);
}

.tl-popup-thumb {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: .55rem;
    border: 1px solid rgba(0,204,51,0.15);
}

.tl-popup-thumb.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,204,51,0.05), rgba(0,0,0,0.3));
    color: var(--text-muted);
    font-size: 1.5rem;
}

.tl-popup-category {
    font-family: var(--font-mono);
    font-size: .5rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: .3rem;
}

.tl-popup-title {
    font-family: var(--font-display);
    font-size: .75rem;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: .35rem;
    line-height: 1.3;
}

.tl-popup-desc {
    font-family: var(--font-mono);
    font-size: .6rem;
    color: var(--text-secondary);
    line-height: 1.65;
    letter-spacing: .3px;
}

.tl-popup-date {
    font-family: var(--font-mono);
    font-size: .55rem;
    color: var(--text-muted);
    margin-top: .4rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: .4rem;
}


/* --- Satoshi-style Category Lane Map --- */
.timeline-axis {
    top: 42px;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.10) 5%, rgba(0,204,51,0.35) 50%, rgba(255,255,255,0.10) 95%, transparent 100%);
    z-index: 1;
}

.timeline-lanes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.tl-lane {
    position: absolute;
    left: 0;
    width: 50000px;
    height: 1px;
    transform: translateY(-50%);
    transition: opacity .25s ease, filter .25s ease;
}

.tl-lane.inactive {
    opacity: .18;
    filter: grayscale(.8);
}

.tl-lane-line {
    position: absolute;
    left: 38px;
    right: 0;
    top: 0;
    height: 1px;
    opacity: .72;
    box-shadow: 0 0 14px currentColor;
}

.tl-lane-line::after {
    content: '';
    position: absolute;
    inset: -18px 0;
    background: repeating-linear-gradient(90deg, transparent 0 52px, rgba(255,255,255,.035) 52px 53px, transparent 53px 104px);
    opacity: .6;
}

.tl-lane-label {
    position: absolute;
    left: 0;
    top: -9px;
    padding: .16rem .5rem .16rem 0;
    min-width: 132px;
    background: linear-gradient(90deg, rgba(0,0,0,.86), rgba(0,0,0,.45), transparent);
    font-family: var(--font-mono);
    font-size: .58rem;
    letter-spacing: 1.3px;
    text-transform: uppercase;
    text-shadow: 0 0 10px currentColor;
    z-index: 2;
}

.tl-event.lane-event {
    top: auto;
    z-index: 6;
}

.tl-event.lane-event::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 1px;
    height: 34px;
    transform: translate(-50%, -50%);
    background: currentColor;
    opacity: .22;
    pointer-events: none;
}

.tl-event.lane-event:hover,
.tl-event.lane-event.expanded {
    z-index: 90;
}

.tl-event.lane-event .tl-event-date {
    top: 20px;
    bottom: auto;
    background: rgba(0,0,0,.72);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 3px;
    padding: .12rem .28rem;
}

.tl-event.lane-event .tl-event-thumb {
    transform: translate(-50%, -160%) scale(0);
}

.tl-event.lane-event:hover .tl-event-thumb,
.tl-event.lane-event.expanded .tl-event-thumb {
    transform: translate(-50%, -160%) scale(1);
    animation: none;
}

.tl-event.popup-up .tl-popup {
    bottom: 38px;
    top: auto;
}

.tl-event.popup-down .tl-popup {
    top: 38px;
    bottom: auto;
}

.tl-event.popup-up .tl-popup::after {
    top: 100%;
    bottom: auto;
    border-top: 6px solid rgba(8,10,9,0.96);
    border-bottom: 0;
}

.tl-event.popup-down .tl-popup::after {
    bottom: 100%;
    top: auto;
    border-bottom: 6px solid rgba(8,10,9,0.96);
    border-top: 0;
}

/* --- Chronological Event Panels Below Map --- */
.tl-chronology {
    margin-top: 1.2rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: linear-gradient(180deg, rgba(8,12,10,.72), rgba(0,0,0,.48));
    box-shadow: 0 18px 60px rgba(0,0,0,.28);
    overflow: hidden;
}

.tl-chronology-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    padding: 1rem 1rem .85rem;
    border-bottom: 1px solid var(--border);
    background: rgba(0,0,0,.32);
}

.tl-chronology-head h3 {
    margin: .2rem 0 0;
    font-family: var(--font-display);
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 1rem;
}

.tl-chronology-count {
    font-family: var(--font-mono);
    color: var(--status-green);
    font-size: .62rem;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.tl-chronology-list {
    display: grid;
    gap: .7rem;
    padding: 1rem;
}

.tl-chron-year {
    margin: .3rem 0 .1rem;
    font-family: var(--font-display);
    color: var(--status-green);
    letter-spacing: 3px;
    font-size: .9rem;
    border-bottom: 1px solid rgba(0,204,51,.18);
    padding-bottom: .35rem;
}

.tl-chron-card {
    display: grid;
    grid-template-columns: 78px 1fr;
    gap: .9rem;
    padding: .9rem;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 6px;
    background: linear-gradient(135deg, rgba(255,255,255,.035), rgba(0,0,0,.35));
    cursor: pointer;
    transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.tl-chron-card:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, rgba(0,204,51,.055), rgba(0,0,0,.42));
    box-shadow: 0 10px 34px rgba(0,0,0,.28);
}

.tl-chron-thumb {
    width: 72px;
    height: 72px;
    border: 2px solid;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,.62);
    color: var(--text-muted);
    font-size: 1.4rem;
}

.tl-chron-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tl-chron-body h4 {
    margin: .35rem 0 .35rem;
    font-family: var(--font-display);
    color: var(--accent);
    letter-spacing: 1.2px;
    font-size: .9rem;
    text-transform: uppercase;
}

.tl-chron-body p {
    margin: 0;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: .66rem;
    line-height: 1.75;
    letter-spacing: .25px;
}

.tl-chron-meta,
.tl-chron-actions,
.tl-chron-links {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    align-items: center;
}

.tl-chron-date,
.tl-chron-category,
.tl-chron-source,
.tl-chron-links a {
    font-family: var(--font-mono);
    font-size: .55rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.tl-chron-date {
    color: var(--text-muted);
}

.tl-chron-category {
    border: 1px solid;
    border-radius: 999px;
    padding: .15rem .45rem;
}

.tl-chron-actions {
    margin-top: .65rem;
}

.tl-chron-source,
.tl-chron-links a {
    color: var(--status-green);
    text-decoration: none;
    border: 1px solid rgba(0,204,51,.22);
    border-radius: 3px;
    padding: .26rem .42rem;
    background: rgba(0,204,51,.035);
}

.tl-chron-source.muted {
    color: var(--text-muted);
    border-color: rgba(255,255,255,.08);
    background: transparent;
}

/* --- Expanded Detail Panel --- */
.tl-detail-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 420px;
    max-width: 90vw;
    height: 100vh;
    background: linear-gradient(180deg, rgba(8,10,9,0.98), rgba(6,6,8,0.99));
    border-left: 1px solid rgba(0,204,51,0.25);
    z-index: 9000;
    transform: translateX(100%);
    transition: transform .35s cubic-bezier(0.32, 0.72, 0, 1);
    overflow-y: auto;
    backdrop-filter: blur(20px);
    box-shadow: -20px 0 60px rgba(0,0,0,0.5);
}

.tl-detail-panel.open {
    transform: translateX(0);
}

.tl-detail-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,204,51,0.6), transparent);
}

.tl-detail-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    background: rgba(0,0,0,0.5);
    border: 1px solid rgba(0,204,51,0.2);
    color: var(--status-green);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all .2s ease;
    z-index: 10;
}

.tl-detail-close:hover {
    background: rgba(0,204,51,0.1);
    border-color: var(--status-green);
}

.tl-detail-content {
    padding: 2rem 1.5rem 1.5rem;
}

.tl-detail-hero {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 1.2rem;
    border: 1px solid rgba(0,204,51,0.15);
}

.tl-detail-hero.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,204,51,0.05), rgba(0,0,0,0.3));
    color: var(--text-muted);
    font-size: 3rem;
}

.tl-detail-category {
    font-family: var(--font-mono);
    font-size: .55rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: .5rem;
}

.tl-detail-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: .5rem;
    line-height: 1.3;
}

.tl-detail-date {
    font-family: var(--font-mono);
    font-size: .65rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 1rem;
    padding-bottom: .8rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.tl-detail-desc {
    font-family: var(--font-mono);
    font-size: .72rem;
    color: var(--text-secondary);
    line-height: 1.85;
    letter-spacing: .3px;
    margin-bottom: 1rem;
}

.tl-detail-links {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    margin-top: 1rem;
}

.tl-detail-link {
    font-family: var(--font-mono);
    font-size: .62rem;
    letter-spacing: 1px;
    color: var(--status-green);
    border: 1px solid rgba(0,204,51,0.2);
    background: rgba(0,204,51,0.035);
    padding: .65rem .8rem;
    border-radius: 4px;
    text-decoration: none;
    transition: all .2s ease;
    display: flex;
    align-items: center;
    gap: .4rem;
}

.tl-detail-link:hover {
    border-color: rgba(0,204,51,0.5);
    background: rgba(0,204,51,0.08);
    transform: translateX(4px);
}

/* --- Minimap --- */
.timeline-minimap {
    position: relative;
    height: 36px;
    background: rgba(0,0,0,0.5);
    border-top: 1px solid var(--border);
    overflow: hidden;
    cursor: pointer;
}

.tl-minimap-track {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
}

.tl-minimap-event {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
}

.tl-minimap-window {
    position: absolute;
    top: 0;
    height: 100%;
    background: rgba(0,204,51,0.08);
    border: 1px solid rgba(0,204,51,0.3);
    border-radius: 2px;
    pointer-events: none;
    transition: all .1s ease;
}

/* --- Stats Bar --- */
.timeline-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: .6rem .8rem;
    background: rgba(0,0,0,0.4);
    border-top: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: .58rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.tl-stat-item {
    display: flex;
    align-items: center;
    gap: .35rem;
}

.tl-stat-value {
    color: var(--status-green);
    font-weight: 500;
}

/* --- Backdrop for detail panel --- */
.tl-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 8999;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease;
}

.tl-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

/* --- Entrance Animation --- */
.tl-event-dot {
    animation: tl-node-appear .5s ease-out backwards;
}

@keyframes tl-node-appear {
    from { transform: scale(0); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* --- Scroll indicator --- */
.tl-scroll-hint {
    position: absolute;
    bottom: .5rem;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: .5rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    opacity: 0.5;
    pointer-events: none;
    z-index: 15;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .timeline-search-input { width: 140px; }
    .timeline-canvas { height: 560px; }
    .tl-popup { min-width: 200px; max-width: 260px; }
    .tl-detail-panel { width: 100vw; }
    .timeline-filters { gap: .35rem; }
    .tl-filter-chip { font-size: .5rem; padding: .35rem .5rem; }
    .tl-lane-label { font-size: .48rem; min-width: 96px; }
    .tl-chron-card { grid-template-columns: 54px 1fr; padding: .7rem; }
    .tl-chron-thumb { width: 52px; height: 52px; }
    .tl-chronology-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .timeline-section { padding: 0 1rem 2rem; }
    .timeline-controls { gap: .4rem; }
    .tl-btn { font-size: .52rem; padding: .4rem .5rem; }
    .timeline-search-input { width: 100%; }
    .timeline-search-box { flex: 1; }
}