:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#f4efe6;background:radial-gradient(circle at top,rgba(235,176,92,.18),transparent 28%),radial-gradient(circle at 20% 20%,rgba(141,92,58,.16),transparent 24%),linear-gradient(180deg,#191614,#0d0b0a);line-height:1.5;font-weight:400}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at top,rgba(255,208,132,.06),transparent 30%),linear-gradient(180deg,#171311,#090807)}button,input,textarea,select{font:inherit}button{cursor:pointer}#app{min-height:100vh}.app-shell{width:min(1280px,calc(100% - 32px));margin:0 auto;padding:32px 0 48px}.hero-card,.core-card,.sidebar-card{background:linear-gradient(180deg,#1f1916eb,#120f0df5);border:1px solid rgba(255,244,227,.08);border-radius:28px;box-shadow:0 30px 80px #0006}.hero-card{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;padding:32px;margin-bottom:24px}.eyebrow,.chart-kicker,.annotation-kicker{margin:0 0 10px;color:#f1b467;font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.hero-card h1,.section-heading h2,.regime-note h3,.annotation-card h3{margin:0}.hero-card h1{max-width:12ch;font-size:clamp(2.4rem,5vw,4.8rem);line-height:.97}.lead,.chart-meta,.regime-note p,.annotation-card p,.annotation-data dt{color:#d7c7b5}.lead{max-width:70ch;margin:18px 0 0;font-size:1.02rem}.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-content:start;gap:12px}.stat-pill,.annotation-card,.regime-note{background:#fff8eb0a;border:1px solid rgba(255,244,227,.06);border-radius:18px}.stat-pill{padding:18px}.stat-pill span{display:block;margin-bottom:8px;color:#cfb59c;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}.stat-pill strong{font-size:1.35rem}.core-layout{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(320px,.95fr);gap:24px}.core-card,.sidebar-card{padding:24px}.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.section-heading.compact{margin-bottom:20px}.chart-meta{margin:10px 0 0;font-size:.95rem}.chart-chip{padding:10px 14px;border-radius:999px;background:#f1b4671f;color:#f7bc73;font-size:.85rem;font-weight:700}.chart-chip.is-loading{background:#78a9ff1f;color:#8db5ff}.chart-chip.is-error{background:#ff6f6f24;color:#ff9c9c}.status-message{margin:0 0 18px;padding:14px 16px;border-radius:14px;background:#fff8eb0d}.error-message{color:#ffb0b0;background:#bb3d3d29}.core-stage{display:grid;grid-template-columns:160px minmax(280px,440px) minmax(240px,1fr);align-items:center;gap:22px}.boundary-rail{position:relative;align-self:stretch;min-height:860px;padding-right:18px}.boundary-rail:after{content:"";position:absolute;top:0;right:0;width:2px;height:100%;background:linear-gradient(180deg,#ffffff1f,#ffffffb3,#ffffff1f)}.boundary-marker{position:absolute;right:18px;transform:translateY(-50%);width:120px;text-align:right}.boundary-marker span,.boundary-marker small{display:block}.boundary-marker span{color:#f5ebdd;font-weight:700}.boundary-marker small{color:#bca58d}.core-frame{display:flex;flex-direction:column;align-items:center;gap:10px}.core-cylinder{position:relative;display:flex;flex-direction:column;justify-content:flex-start;width:min(100%,360px);min-height:860px;overflow:hidden;border-radius:999px;border:2px solid rgba(255,245,227,.16);background:linear-gradient(90deg,#ffffff17,#ffffff03 20%,#0000001a 80%,#ffffff14);box-shadow:inset 20px 0 30px #ffffff0f,inset -16px 0 28px #00000042,0 40px 80px #00000059}.core-cylinder:before,.core-cylinder:after{content:"";position:absolute;left:14%;width:72%;height:22px;border-radius:999px;background:#ffffff24;filter:blur(12px);z-index:2}.core-cylinder:before{top:12px}.core-cylinder:after{bottom:12px}.strata-layer{position:relative;width:100%;min-height:88px}.layer-overlay{position:absolute;left:28px;right:28px;bottom:18px;padding:12px 14px;border-radius:14px;background:#100d0b52;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.layer-era,.layer-overlay small{display:block}.layer-era{color:#f4cd99;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}.layer-overlay strong{display:block;font-size:1.15rem}.layer-overlay small{margin-top:4px;color:#e4d3c4}.fossil-marker{position:absolute;right:18px;transform:translateY(-50%);z-index:4}.fossil-chip{border:1px solid rgba(255,248,235,.18);border-radius:999px;background:#161210d6;color:#f6ecdd;padding:8px 12px;box-shadow:0 14px 28px #00000047}.fossil-chip.active{background:#f1b467;color:#2a1f16}.core-stand{width:56%;height:24px;border-radius:16px;background:linear-gradient(180deg,#5f402e,#281910);box-shadow:0 18px 30px #00000059}.annotation-panel{display:grid;gap:14px}.annotation-card{padding:18px}.annotation-data{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:16px 0 0}.annotation-data div,.insight-list li{padding:10px 12px;border-radius:14px;background:#fff8eb0a}.annotation-data dd,.insight-list strong{margin:6px 0 0;color:#fff4e6;font-weight:700}.insight-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}.insight-list li span{display:block;color:#cfb59c}.sidebar-card{align-self:start}.regime-note{display:grid;grid-template-columns:22px 1fr;gap:14px;padding:14px;margin-bottom:14px}.swatch{border-radius:999px}@media(max-width:1120px){.hero-card,.core-layout,.core-stage{grid-template-columns:1fr}.hero-stats{grid-template-columns:repeat(3,minmax(0,1fr))}.boundary-rail{min-height:160px;padding-right:0;padding-bottom:18px}.boundary-rail:after{top:auto;bottom:0;right:0;width:100%;height:2px}.boundary-marker{right:auto;transform:translate(-50%);width:auto;text-align:center}.core-cylinder{min-height:760px}}@media(max-width:720px){.app-shell{width:min(100% - 20px,1280px);padding-top:20px}.hero-card,.core-card,.sidebar-card{padding:18px;border-radius:22px}.hero-stats,.annotation-data{grid-template-columns:1fr}.section-heading{flex-direction:column}.core-cylinder{min-height:680px}.layer-overlay{left:18px;right:18px}}