:root {
  --chronicle-night: #090714;
  --chronicle-panel: #111127;
  --chronicle-line: rgba(77, 225, 255, 0.22);
  --chronicle-cyan: #4de1ff;
  --chronicle-violet: #9b6cff;
  --chronicle-gold: #ffc31a;
  --chronicle-orange: #ff7a18;
  --chronicle-ink: #171126;
}

.timeline-page { background: var(--chronicle-night); color: #f7f0df; }
.chronicle-sky { position: fixed; inset: 0; pointer-events: none; background: radial-gradient(circle at 78% 6%, rgba(155,108,255,.22), transparent 30%), radial-gradient(circle at 10% 38%, rgba(255,122,24,.14), transparent 24%), linear-gradient(rgba(77,225,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(77,225,255,.025) 1px, transparent 1px); background-size: auto, auto, 42px 42px, 42px 42px; }
.timeline-header { position: relative; border-bottom-color: rgba(77,225,255,.18); background: rgba(9,7,20,.92); }
#timeline-main { position: relative; }
.timeline-hero { min-height: 390px; padding: 92px max(7vw, 28px) 64px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(290px, 520px); gap: 64px; align-items: end; background: linear-gradient(120deg, rgba(9,7,20,.1), rgba(13,11,33,.72)); border-bottom: 1px solid var(--chronicle-line); }
.timeline-hero h1 { margin: 12px 0 20px; max-width: 850px; font-size: clamp(3.8rem, 9vw, 8.5rem); line-height: .77; letter-spacing: -.055em; text-transform: uppercase; }
.timeline-hero h1 mark { display: block; color: var(--chronicle-gold); background: none; }
.timeline-hero > div > p:last-child { max-width: 740px; color: #c9c2d5; font-size: 1.08rem; }
.chronicle-stats { margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--chronicle-line); background: rgba(17,17,39,.78); box-shadow: 16px 16px 0 rgba(255,122,24,.08); }
.chronicle-stats div { padding: 23px; border-right: 1px solid var(--chronicle-line); border-bottom: 1px solid var(--chronicle-line); }
.chronicle-stats div:nth-child(2n) { border-right: 0; }
.chronicle-stats div:nth-last-child(-n+2) { border-bottom: 0; }
.chronicle-stats dt { color: #88809d; font: 700 .7rem/1.2 var(--font-mono, monospace); letter-spacing: .16em; text-transform: uppercase; }
.chronicle-stats dd { margin: 7px 0 0; color: var(--chronicle-cyan); font-size: 1.45rem; font-weight: 900; }

.chronicle-controls { padding: 22px max(7vw, 28px); display: grid; grid-template-columns: minmax(260px, 1fr) minmax(190px, auto) auto auto; gap: 18px; align-items: end; background: linear-gradient(110deg, rgba(17,17,39,.98), rgba(11,9,27,.98)); color: #d8d1e2; border-block: 1px solid var(--chronicle-line); box-shadow: inset 0 1px 0 rgba(155,108,255,.08); }
.timeline-search span, .timeline-character span { display: block; margin-bottom: 7px; color: #aaa3b8; font: 800 .68rem/1.2 var(--font-mono, monospace); letter-spacing: .14em; text-transform: uppercase; }
.timeline-search input, .timeline-character select { width: 100%; min-height: 46px; padding: 13px 15px; border: 1px solid var(--chronicle-line); background: rgba(6,7,20,.82); color: #f7f0df; font: inherit; }
.timeline-search input::placeholder { color: #777188; }
.timeline-search input:focus, .timeline-character select:focus { outline: 3px solid rgba(77,225,255,.16); border-color: var(--chronicle-cyan); }
.record-toggle { display: flex; border: 1px solid var(--chronicle-line); }
.record-toggle button, .reset-timeline { min-height: 46px; padding: 0 15px; border: 0; border-right: 1px solid var(--chronicle-line); background: rgba(18,18,43,.94); color: #d8d1e2; font: 800 .72rem/1 var(--font-mono, monospace); text-transform: uppercase; cursor: pointer; }
.record-toggle button:hover, .record-toggle button:focus-visible, .reset-timeline:hover, .reset-timeline:focus-visible { background: rgba(77,225,255,.09); color: var(--chronicle-cyan); }
.record-toggle button:last-child { border-right: 0; }
.record-toggle button.active { background: var(--chronicle-ink); color: var(--chronicle-gold); }
.reset-timeline { border: 1px solid var(--chronicle-line); }

.chronicle-layout { padding: 58px max(7vw, 28px) 100px; display: grid; grid-template-columns: 285px minmax(0, 900px); justify-content: center; gap: 50px; }
.chronicle-directory { align-self: start; position: sticky; top: 28px; border: 1px solid var(--chronicle-line); background: rgba(17,17,39,.86); }
.directory-heading { padding: 15px 17px; display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px solid var(--chronicle-line); color: #bdb7cc; font: 800 .68rem/1.2 var(--font-mono, monospace); letter-spacing: .12em; text-transform: uppercase; }
.directory-heading small { color: var(--chronicle-cyan); }
#timeline-categories { padding: 10px; display: grid; gap: 5px; }
#timeline-categories button { width: 100%; padding: 12px; display: flex; justify-content: space-between; gap: 12px; border: 1px solid transparent; background: transparent; color: #ddd6e8; text-align: left; font: inherit; cursor: pointer; }
#timeline-categories button:hover, #timeline-categories button.active { border-color: var(--chronicle-line); background: rgba(77,225,255,.08); color: #fff; }
#timeline-categories small { color: var(--chronicle-cyan); font-family: var(--font-mono, monospace); }
.spoiler-notice { margin: 10px; padding: 16px; display: flex; gap: 11px; border: 1px solid rgba(255,195,26,.24); background: rgba(255,195,26,.06); color: #aaa3b8; font-size: .82rem; }
.spoiler-notice span { color: var(--chronicle-gold); }
.spoiler-notice p { margin: 0; }
.spoiler-notice strong { display: block; margin-bottom: 4px; color: #f7f0df; }
.chronicle-login { display: block; margin: 0 10px 12px; color: var(--chronicle-cyan); font-size: .76rem; line-height: 1.5; }
.feed-heading { margin-bottom: 30px; display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.feed-heading p { margin: 0 0 5px; color: var(--chronicle-orange); font: 800 .7rem/1.3 var(--font-mono, monospace); letter-spacing: .13em; text-transform: uppercase; }
.feed-heading h2 { margin: 0; font-size: clamp(2rem, 5vw, 4.4rem); text-transform: uppercase; }
.feed-heading > strong { color: var(--chronicle-cyan); font: 800 .76rem/1.3 var(--font-mono, monospace); text-transform: uppercase; white-space: nowrap; }
.timeline-list { margin: 0; padding: 0; list-style: none; }
.timeline-entry { position: relative; min-height: 200px; padding: 0 0 34px 132px; display: grid; grid-template-columns: 36px minmax(0,1fr); }
.timeline-entry::before { content: ""; position: absolute; left: 149px; top: 30px; bottom: -3px; width: 2px; background: linear-gradient(var(--chronicle-cyan), rgba(77,225,255,.08)); }
.timeline-entry:last-child::before { display: none; }
.entry-age { position: absolute; left: 0; top: 14px; width: 118px; color: var(--chronicle-gold); font: 900 .78rem/1.3 var(--font-mono, monospace); text-align: right; text-transform: uppercase; }
.entry-marker { position: relative; z-index: 1; margin-top: 8px; width: 34px; height: 34px; display: grid; place-items: center; border: 2px solid var(--chronicle-cyan); border-radius: 50%; background: var(--chronicle-night); color: var(--chronicle-gold); }
.timeline-entry article { margin-left: 18px; padding: 24px 26px; border: 1px solid var(--chronicle-line); background: linear-gradient(135deg, rgba(19,19,46,.96), rgba(12,11,29,.96)); box-shadow: 8px 8px 0 rgba(77,225,255,.04); }
.timeline-entry.locked article { border-color: rgba(155,108,255,.42); background: repeating-linear-gradient(135deg, rgba(155,108,255,.06) 0 12px, transparent 12px 24px), #100e21; }
.timeline-entry.locked .entry-marker { border-color: var(--chronicle-violet); color: var(--chronicle-violet); }
.timeline-entry.discovered article { border-color: rgba(255,195,26,.48); box-shadow: 8px 8px 0 rgba(255,195,26,.06); }
.timeline-entry.discovered .entry-marker { border-color: var(--chronicle-gold); color: var(--chronicle-gold); }
.entry-status { margin: 0 0 7px; color: var(--chronicle-cyan); font: 800 .65rem/1.2 var(--font-mono, monospace); letter-spacing: .14em; text-transform: uppercase; }
.locked .entry-status { color: var(--chronicle-violet); }
.timeline-entry h3 { margin: 0; color: #fff8e8; font-size: clamp(1.35rem, 3vw, 2.1rem); text-transform: uppercase; }
.entry-summary { margin: 13px 0 0; color: #bdb7c9; line-height: 1.65; }
.entry-artwork { margin: 20px 0 0; overflow: hidden; border: 1px solid rgba(77,225,255,.3); background: #080817; box-shadow: 0 16px 36px rgba(0,0,0,.3); }
.entry-artwork img { display: block; width: 100%; height: auto; }
.entry-tags { margin-top: 17px; display: flex; flex-wrap: wrap; gap: 7px; }
.entry-tags span { padding: 6px 8px; border: 1px solid rgba(77,225,255,.18); color: #9e98ae; font: 700 .62rem/1 var(--font-mono, monospace); text-transform: uppercase; }
.entry-actions { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 10px; }
.entry-details { margin-top: 19px; border-top: 1px solid var(--chronicle-line); }
.entry-details summary { padding: 15px 0 4px; color: var(--chronicle-gold); font: 800 .68rem/1.3 var(--font-mono, monospace); text-transform: uppercase; cursor: pointer; }
.detail-grid { padding-top: 14px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.detail-grid section { padding: 14px; border: 1px solid rgba(77,225,255,.12); background: rgba(5,5,17,.3); }
.detail-grid h4 { margin: 0 0 9px; color: var(--chronicle-cyan); font: 800 .64rem/1.2 var(--font-mono, monospace); letter-spacing: .11em; text-transform: uppercase; }
.detail-grid ul { margin: 0; padding-left: 18px; color: #bdb7c9; font-size: .83rem; line-height: 1.55; }
.detail-grid li + li { margin-top: 5px; }
.entry-actions button, .entry-actions a, .timeline-empty button { padding: 9px 12px; border: 1px solid var(--chronicle-line); background: transparent; color: var(--chronicle-cyan); font: 800 .66rem/1 var(--font-mono, monospace); text-decoration: none; text-transform: uppercase; cursor: pointer; }
.entry-actions a { color: var(--chronicle-gold); border-color: rgba(255,195,26,.3); }
.timeline-empty { padding: 60px 24px; border: 1px dashed var(--chronicle-line); text-align: center; }
.timeline-empty > span { color: var(--chronicle-gold); font-size: 3rem; font-weight: 900; }
.timeline-empty h3 { margin: 10px 0; text-transform: uppercase; }
.timeline-empty p { color: #aaa3b8; }
.timeline-footer { position: relative; }

@media (max-width: 980px) {
  .timeline-hero { grid-template-columns: 1fr; gap: 40px; }
  .chronicle-controls { grid-template-columns: 1fr; align-items: stretch; }
  .record-toggle { width: max-content; }
  .chronicle-layout { grid-template-columns: 1fr; }
  .chronicle-directory { position: static; }
  #timeline-categories { display: flex; overflow-x: auto; }
  #timeline-categories button { width: auto; min-width: max-content; }
}

@media (max-width: 620px) {
  .timeline-hero { padding-top: 60px; }
  .timeline-hero h1 { font-size: clamp(3.4rem, 20vw, 5.5rem); }
  .chronicle-stats { grid-template-columns: 1fr; }
  .chronicle-stats div, .chronicle-stats div:nth-child(2n) { border-right: 0; border-bottom: 1px solid var(--chronicle-line); }
  .chronicle-stats div:last-child { border-bottom: 0; }
  .record-toggle { width: 100%; }
  .record-toggle button { flex: 1; padding-inline: 8px; }
  .chronicle-layout { padding-inline: 18px; }
  .feed-heading { align-items: start; flex-direction: column; }
  .timeline-entry { padding-left: 0; grid-template-columns: 30px minmax(0,1fr); }
  .timeline-entry::before { left: 14px; }
  .entry-age { position: static; grid-column: 2; width: auto; margin: 0 0 7px 14px; text-align: left; }
  .entry-marker { grid-row: 2; width: 30px; height: 30px; }
  .timeline-entry article { grid-column: 2; grid-row: 2; margin-left: 14px; padding: 20px; }
  .detail-grid { grid-template-columns: 1fr; }
}