/* Senses Atlas — Timeline page (chronological image-cloud by decade).
   Adapted from mockup "Senses Atlas — Timeline (exploration)", validated by Pierre.
   Scoped under #sa-timeline-page / .sa-* classes to avoid leaking into the rest of the site
   (the theme's own header/footer/breadcrumb are used, not the mockup's own chrome;
   the mockup's own design-notes rail is not part of the production page).
*/
#sa-timeline-page{
  --sa-ink:#1A1A18; --sa-gray:#6B6B67; --sa-gray-light:#A8A8A4;
  --sa-hair:rgba(0,0,0,0.10); --sa-hair-strong:rgba(0,0,0,0.14);
  --sa-red:#E31C23; --sa-atlas:#DE7B85;
  font-family:'Roboto',sans-serif;
  font-weight:300;
  color:var(--sa-ink);
  -webkit-font-smoothing:antialiased;
}
#sa-timeline-page *{box-sizing:border-box}
#sa-timeline-page a{color:inherit}

#sa-timeline-page .sa-breadcrumb{padding:16px 44px;font-size:11.5px;color:var(--sa-gray-light);display:flex;align-items:center;gap:8px;border-bottom:0.5px solid var(--sa-hair)}
#sa-timeline-page .sa-breadcrumb a{color:var(--sa-gray-light);text-decoration:none}
#sa-timeline-page .sa-breadcrumb a:hover{color:var(--sa-red)}
#sa-timeline-page .sa-breadcrumb .sep{opacity:0.6}
#sa-timeline-page .sa-breadcrumb .current{color:var(--sa-gray)}

/* ============ Hero ============ */
#sa-timeline-page .sa-terr-hero{padding:3rem 44px 2.2rem;border-bottom:0.5px solid var(--sa-hair)}
#sa-timeline-page .sa-terr-eyebrow{font-family:'Catamaran',sans-serif;font-weight:800;font-size:10.5px;letter-spacing:0.14em;text-transform:uppercase;color:var(--sa-red);margin-bottom:10px}
#sa-timeline-page .sa-terr-eyebrow span{color:var(--sa-gray-light)}
#sa-timeline-page h1.sa-terr-title{font-family:'Catamaran',sans-serif;font-weight:800;font-size:44px;line-height:1.1;margin:0 0 10px;text-wrap:balance}
#sa-timeline-page .sa-terr-desc{max-width:660px;font-size:14.5px;line-height:1.6;color:var(--sa-gray);margin:0 0 6px}
#sa-timeline-page .sa-terr-count{font-family:'Roboto',sans-serif;font-size:12px;color:var(--sa-gray-light)}

/* ============ Barre de contrôle : format + légende ============ */
#sa-timeline-page .sa-tl-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:1.6rem 44px 1.2rem;border-bottom:0.5px solid var(--sa-hair)}
#sa-timeline-page .sa-legend{display:flex;align-items:center;gap:16px;font-size:11px;color:var(--sa-gray-light)}
#sa-timeline-page .sa-legend span{display:inline-flex;align-items:center;gap:6px}
#sa-timeline-page .sa-legend i{width:7px;height:7px;border-radius:50%;display:inline-block}
#sa-timeline-page .sa-legend i.std{background:var(--sa-ink)}
#sa-timeline-page .sa-legend i.atlas{background:var(--sa-atlas)}
#sa-timeline-page .sa-format-group{display:flex;flex-shrink:0;border:1px solid var(--sa-hair-strong)}
#sa-timeline-page .sa-format-btn{background:none;border:none;padding:7px 13px 8px;font-family:'Catamaran',sans-serif;font-weight:700;font-size:10.5px;letter-spacing:0.05em;text-transform:uppercase;color:var(--sa-gray);cursor:pointer;border-right:1px solid var(--sa-hair-strong);white-space:nowrap;transition:background .15s ease,color .15s ease}
#sa-timeline-page .sa-format-btn:last-child{border-right:none}
#sa-timeline-page .sa-format-btn:hover{color:var(--sa-ink);background:#FAFAF9}
#sa-timeline-page .sa-format-btn.active{background:var(--sa-ink);color:#fff}
#sa-timeline-page .sa-format-btn.active.is-atlas-active{background:var(--sa-atlas)}

/* ============ Raccourcis de décennie (navigation, pas un filtre) ============ */
#sa-timeline-page .sa-tl-jump-wrap{padding:1.2rem 44px 0}
#sa-timeline-page .sa-tl-jump-label{font-family:'Catamaran',sans-serif;font-weight:800;font-size:9.5px;letter-spacing:0.09em;text-transform:uppercase;color:var(--sa-gray-light);margin-bottom:9px}
#sa-timeline-page .sa-tl-jump{display:flex;flex-wrap:wrap;gap:6px}
#sa-timeline-page .sa-tl-jump button{background:none;border:1px solid var(--sa-hair-strong);padding:4px 9px;font-family:'Roboto',sans-serif;font-size:11px;color:var(--sa-gray);cursor:pointer;white-space:nowrap;transition:border-color .15s ease,color .15s ease}
#sa-timeline-page .sa-tl-jump button:hover{border-color:var(--sa-ink);color:var(--sa-ink)}
#sa-timeline-page .sa-tl-jump button.undated{font-style:italic}

/* ============ Le nuage chronologique ============ */
#sa-timeline-page .sa-tl-viewport{padding:1.8rem 0 0.6rem}
#sa-timeline-page .sa-tl-scroll{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;padding:0 44px;scrollbar-width:thin;scrollbar-color:var(--sa-hair-strong) transparent}
#sa-timeline-page .sa-tl-scroll::-webkit-scrollbar{height:7px}
#sa-timeline-page .sa-tl-scroll::-webkit-scrollbar-thumb{background:var(--sa-hair-strong)}
#sa-timeline-page .sa-tl-scroll::-webkit-scrollbar-track{background:transparent}
#sa-timeline-page .sa-tl-track{display:flex;align-items:stretch;width:max-content}
#sa-timeline-page .sa-tl-col{flex-shrink:0;padding:0 10px;position:relative}
#sa-timeline-page .sa-tl-col.undated{border-left:1px dashed var(--sa-hair-strong);margin-left:10px;padding-left:20px}
#sa-timeline-page .sa-tl-cloud{position:relative;height:480px}
#sa-timeline-page .sa-tl-item{position:absolute;display:block;text-decoration:none;transform-origin:center center;transition:transform .18s ease,z-index 0s;z-index:1}
#sa-timeline-page .sa-tl-item .fr{position:relative;width:100%;height:100%;overflow:hidden;box-shadow:0 3px 10px rgba(26,26,24,0.16);background:var(--sa-hair)}
#sa-timeline-page .sa-tl-item img{width:100%;height:100%;object-fit:cover;display:block;filter:grayscale(78%) contrast(96%);transition:filter .3s ease}
#sa-timeline-page .sa-tl-item .dot{position:absolute;left:5px;bottom:5px;width:6px;height:6px;border-radius:50%;background:var(--sa-ink);box-shadow:0 0 0 1.5px rgba(255,255,255,0.9)}
#sa-timeline-page .sa-tl-item.is-atlas .dot{background:var(--sa-atlas)}
#sa-timeline-page .sa-tl-item:hover{transform:scale(1.35) rotate(0deg) !important;z-index:50}
#sa-timeline-page .sa-tl-item:hover img{filter:grayscale(0%) contrast(100%)}
#sa-timeline-page .sa-tl-item.is-dim{opacity:0.12;pointer-events:none}
#sa-timeline-page .sa-tl-baseline{height:1px;background:var(--sa-hair-strong);position:relative;margin-top:2px}
#sa-timeline-page .sa-tl-tick{position:absolute;left:50%;top:-3px;width:1px;height:7px;background:var(--sa-gray-light);transform:translateX(-50%)}
#sa-timeline-page .sa-tl-label{text-align:center;padding-top:11px}
#sa-timeline-page .sa-tl-label .d{display:block;font-family:'Catamaran',sans-serif;font-weight:800;font-size:11px;letter-spacing:0.03em;color:var(--sa-ink);white-space:nowrap}
#sa-timeline-page .sa-tl-col.undated .sa-tl-label .d{font-style:italic;color:var(--sa-gray)}
#sa-timeline-page .sa-tl-label .n{display:block;font-size:10px;color:var(--sa-gray-light);margin-top:2px}

#sa-timeline-page .sa-tl-hint{padding:0.9rem 44px 2.4rem;font-size:11px;color:var(--sa-gray-light)}

/* ============ Tooltip flottant (position:fixed, hors du flux #sa-timeline-page) ============ */
.sa-tl-tip{position:fixed;display:none;background:var(--sa-ink,#1A1A18);color:#fff;padding:9px 12px;max-width:220px;font-family:'Roboto',sans-serif;font-size:11.5px;line-height:1.45;z-index:500;pointer-events:none;box-shadow:0 8px 20px rgba(0,0,0,0.22)}
.sa-tl-tip.show{display:block}
.sa-tl-tip b{display:block;font-family:'Catamaran',sans-serif;font-weight:700;font-size:12.5px;margin-bottom:3px;color:#fff}
.sa-tl-tip .meta{color:rgba(255,255,255,0.62)}
.sa-tl-tip .fmt{color:#DE7B85}

@media (max-width:760px){
  #sa-timeline-page .sa-breadcrumb,#sa-timeline-page .sa-terr-hero,#sa-timeline-page .sa-tl-controls,#sa-timeline-page .sa-tl-jump-wrap,#sa-timeline-page .sa-tl-hint{padding-left:20px;padding-right:20px}
  #sa-timeline-page .sa-tl-scroll{padding-left:20px;padding-right:20px}
  #sa-timeline-page h1.sa-terr-title{font-size:30px}
}