/* styles/timeline.css — chronological "wall-walk" view for an era page.
   Pairs with map.css; activated by the Map ⇄ Timeline toggle in era.js. */

/* ── view toggle (segmented control on the era plate) ── */
.view-toggle{display:flex;gap:.25rem;justify-content:center;margin:.1rem auto 1.1rem;padding:.28rem;
  width:max-content;max-width:94%;border-radius:2rem;background:linear-gradient(180deg,var(--stone-lt),var(--stone));
  border:1px solid var(--stone-line);box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 6px 16px rgba(0,0,0,.22)}
.view-toggle button{display:flex;align-items:center;gap:.4rem;padding:.46rem .95rem;border-radius:2rem;
  font-weight:800;font-size:.78rem;color:var(--fg-dim);transition:.22s var(--ease-out)}
.view-toggle button svg{width:16px;height:16px;flex-shrink:0}
.view-toggle button:hover{color:var(--fg)}
.view-toggle button.on{color:#1a1208;background:linear-gradient(135deg,var(--ec2),var(--ec));
  box-shadow:0 4px 12px -2px var(--halo)}
[data-theme="parchment"] .view-toggle button.on{color:#fff}

/* ── estimate note ── */
.tl-note{display:flex;align-items:center;gap:.5rem;max-width:760px;margin:0 auto 1rem;padding:.55rem .9rem;
  border-radius:.9rem;background:color-mix(in oklab,var(--ec) 12%,transparent);
  border:1px dashed color-mix(in oklab,var(--ec) 55%,transparent);color:var(--fg-dim);
  font-size:.74rem;font-weight:600;line-height:1.4;font-family:'Amiri',serif}
[dir="ltr"] .tl-note{font-family:'Nunito',sans-serif}
.tl-note svg{width:18px;height:18px;flex-shrink:0;color:var(--ec)}

/* ── serpentine "snake" timeline (vertical scroll, winding path) ── */
.tl-snake{position:relative;display:grid;grid-template-columns:repeat(var(--cols),1fr);
  gap:56px 42px;max-width:960px;margin:0 auto;padding-top:18px}
.tl-snake-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:visible}
.tl-item{position:relative;z-index:1;display:flex}

/* era marker that floats on the path where a new age begins */
.tl-band-tag{position:absolute;top:-32px;left:50%;transform:translateX(-50%);z-index:3;white-space:nowrap;
  padding:.26rem .82rem;border-radius:2rem;font-family:'Tajawal',sans-serif;font-weight:800;font-size:.68rem;
  color:#1a1208;background:linear-gradient(135deg,var(--ec2),var(--ec));box-shadow:0 4px 12px -3px var(--halo)}
[data-theme="parchment"] .tl-band-tag{color:#fff}

/* card */
.tl-card{position:relative;flex:1;display:flex;flex-direction:column;gap:.4rem;
  padding:.75rem .8rem .85rem;border-radius:1.1rem;cursor:pointer;
  background:linear-gradient(180deg,var(--paper),var(--paper2));border:2px solid var(--ec);
  box-shadow:0 10px 26px -8px rgba(0,0,0,.4);transition:transform .25s var(--ease-spring),box-shadow .25s}
.tl-card:hover{transform:translateY(-3px);box-shadow:0 16px 34px -10px rgba(0,0,0,.5)}
.tl-card:focus-visible{outline:3px solid var(--ec);outline-offset:2px}
.tl-card.soon{filter:saturate(.62);border-color:#b6acc4}
.tl-card.soon::after{content:"…";position:absolute;top:.5rem;inset-inline-start:.7rem;color:var(--ink-dim);font-weight:800}

.tl-card-h{display:flex;align-items:center;gap:.5rem}
.tl-ic{flex-shrink:0;width:40px;height:40px;border-radius:.7rem;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--ec2),var(--ec));box-shadow:0 4px 10px -2px var(--halo)}
.tl-ic svg{width:24px;height:24px;color:#fff;fill:#fff}
.tl-name{flex:1;min-width:0;line-height:1.05}
.tl-name b{display:block;font-family:'Amiri',serif;font-weight:700;font-size:1.02rem;color:var(--ec)}
.tl-name i{display:block;font-style:normal;font-family:'Fredoka',sans-serif;font-size:.62rem;color:var(--ink-dim);margin-top:1px}
.tl-num{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--ec);color:#fff;
  font-family:'Fredoka',sans-serif;font-weight:800;font-size:.66rem;display:flex;align-items:center;justify-content:center}
.tl-card.soon .tl-num{background:#9890a8}

.tl-meta{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.tl-when{padding:.14rem .56rem;border-radius:2rem;font-family:'Fredoka',sans-serif;font-weight:700;font-size:.66rem;
  color:var(--ec);background:color-mix(in oklab,var(--ec) 13%,var(--paper));border:1.5px solid var(--ec)}
.tl-hon{font-family:'Amiri',serif;font-size:.66rem;color:var(--ink-dim)}
.tl-stars{display:flex;gap:2px}
.tl-stars svg{width:13px;height:13px}
.tl-stars .on{fill:var(--gold-lt);stroke:var(--gold-dk)}.tl-stars .off{fill:#cdbf9e;stroke:#a89868}

.tl-facts{list-style:none;display:flex;flex-direction:column;gap:.28rem;margin:.1rem 0}
.tl-facts li{display:flex;align-items:flex-start;gap:.4rem;font-size:.7rem;line-height:1.35;color:var(--ink)}
.tl-facts svg{width:14px;height:14px;flex-shrink:0;margin-top:1px;color:var(--ec)}
.tl-facts .tl-place span{font-weight:700}
.tl-facts .tl-line span{color:var(--ink-dim)}
.tl-hook{font-family:'Amiri',serif;font-size:.74rem;line-height:1.4;color:var(--ink-dim);font-style:italic;
  border-top:1px dashed color-mix(in oklab,var(--ec) 35%,transparent);padding-top:.4rem;text-wrap:pretty;margin-top:auto}
[dir="ltr"] .tl-hook,[dir="ltr"] .tl-hon,[dir="ltr"] .tl-name b{font-family:'Nunito',sans-serif}

@media (max-width:560px){
  .tl-snake{gap:46px 0}
}
@media (prefers-reduced-motion:reduce){
  .tl-card:hover{transform:none}
}

/* Challenge-Hall gate card (appended after the last station) */
.tl-card.gate{border:2px dashed var(--gold);background:linear-gradient(165deg,color-mix(in oklab,var(--gold) 12%,var(--paper)),var(--paper))}
.tl-card.gate .tl-ic{background:linear-gradient(135deg,var(--gold-lt),var(--gold-dk))}
.tl-card.gate .tl-num{background:var(--gold-dk);color:#fff}
.tl-card.gate.done{border-style:solid;border-color:#7DB344}