:root{color-scheme:dark;--bg:#080e18;--panel:#101c2a;--border:#26384b;--soft:#aabacc;--text:#e9f2fa;--green:#71ffd3;--orange:#ffbd77;--purple:#aeb8ff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(ellipse 65% 35% at 75% 0%,#17344d 0%,transparent 85%),var(--bg);color:var(--text);min-height:100vh}a{color:var(--green)}
.site-header{height:76px;max-width:1350px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:0 32px;border-bottom:1px solid var(--border)}
.brand{display:flex;gap:18px;align-items:center;text-decoration:none;color:var(--text)}.mark{font-size:28px;font-weight:900;letter-spacing:-.09em}.mark span{color:var(--green)}.brand-caption,.source-link,.eyebrow,.panel-heading,.tiny,footer{font-size:11px;font-weight:700;letter-spacing:.16em}.brand-caption{color:var(--soft)}.source-link{text-decoration:none;border:1px solid var(--border);padding:12px 15px}
main{max-width:1286px;margin:auto;padding:26px 28px 50px}.hero{padding:55px 10px 40px;max-width:900px}.eyebrow{color:var(--green);display:flex;align-items:center;gap:10px}.signal{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 16px var(--green)}h1{font-size:clamp(39px,6vw,76px);font-weight:800;letter-spacing:-.055em;line-height:1.07;margin:23px 0}h1 em{font-style:normal;color:var(--green)}.hero p{color:var(--soft);font-size:17px;line-height:1.7;max-width:750px}.formulas{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.formulas span{border:1px solid var(--border);padding:10px 15px;color:#bdd7e6;background:#0e1d2b;font:13px ui-monospace,SFMono-Regular,monospace}
.lab-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}.panel{background:linear-gradient(145deg,#111e2d,#0b1420);border:1px solid var(--border);border-radius:12px;min-width:0;overflow:hidden}.panel-heading{display:flex;justify-content:space-between;align-items:center;padding:22px 24px 14px;gap:10px;color:var(--text)}.panel-heading b{color:var(--green);margin-right:12px}.tiny{color:#8499ab;font-size:9px}.plot-panel canvas{display:block;width:min(100%,520px);height:auto;margin:auto}.legend{display:flex;justify-content:center;gap:22px;color:var(--soft);font-size:12px;padding:5px 0 20px}.legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:7px}.c1{background:var(--orange)}.c2{background:var(--purple)}.c3{background:var(--green)}
.control-panel{padding-bottom:20px}.control{padding:13px 25px}.control label{display:flex;justify-content:space-between;color:var(--soft);font-size:13px;margin-bottom:14px}.control output{font:600 14px ui-monospace,monospace;color:var(--text)}input[type=range]{width:100%;accent-color:var(--green);cursor:pointer}button{display:block;margin:18px 25px 0;width:calc(100% - 50px);padding:15px;border:1px solid #53cdb3;background:#17453f;color:var(--green);font-weight:750;letter-spacing:.09em;cursor:pointer;border-radius:6px}button:hover{background:#20574f}.hint{color:#94aabd;font-size:12px;line-height:1.6;padding:8px 25px 0}.stats{border-top:1px solid var(--border);margin:22px 25px 0;padding-top:12px}.stats div{display:flex;justify-content:space-between;gap:10px;padding:10px 0;font-size:12px;color:var(--soft);border-bottom:1px solid #203142}.stats strong{font:600 13px ui-monospace,monospace;color:var(--text)}
.waveform-panel canvas{display:block;width:100%;height:auto;padding:12px 20px 22px}.explanation-panel{padding:0 24px 20px}.explanation-panel .panel-heading{padding-left:0}.explanation-panel p{color:var(--soft);font-size:14px;line-height:1.7}.explanation-panel strong{color:var(--text)}.explanation-panel .verdict{color:var(--green);padding:16px;background:#14332f;border-left:3px solid var(--green);border-radius:3px}
footer{padding:42px 0 0;text-align:center;line-height:2.1;color:#8398a9}footer a{text-decoration:underline}
@media(max-width:850px){.lab-grid{grid-template-columns:1fr}.hero{padding-top:32px}.brand-caption{display:none}.waveform-panel{order:3}.explanation-panel{order:4}}@media(max-width:510px){main{padding:12px 14px 30px}.site-header{padding:0 16px}.panel-heading{padding:16px 14px 12px}.tiny{display:none}.legend{gap:12px;font-size:10px}}

/* Adversarial controls */

.adversarial-panel{grid-column:1/-1;padding-bottom:25px}
.challenge-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:14px 24px 10px}
.challenge-label{display:block;font-size:13px;color:var(--soft);margin-bottom:12px}
#control-case{width:100%;appearance:auto;background:#142b3b;color:var(--text);border:1px solid var(--border);padding:13px;border-radius:5px;font:inherit;font-size:14px}
#control-case:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.challenge-description{color:var(--text);line-height:1.65;min-height:40px}
.challenge-hint{padding:0}
.challenge-result{border:1px solid var(--border);padding:12px 18px;border-radius:8px}
.challenge-result>div{display:flex;justify-content:space-between;gap:15px;padding:11px 0;border-bottom:1px solid var(--border);font-size:13px;color:var(--soft)}
.challenge-result strong{font:600 13px ui-monospace,monospace;color:var(--green)}
.challenge-note{font-size:12px;line-height:1.65;color:var(--soft)}
@media(max-width:850px){.challenge-layout{grid-template-columns:1fr}.adversarial-panel{order:5}}


/* v0.3.0 nonlinear models have their own independent research display. */
.nonlinear-section{margin-top:24px;border-top:1px solid var(--border);padding-top:36px}
.nonlinear-section h2{font-size:clamp(28px,4vw,43px);letter-spacing:-.035em;margin:16px 0}
.nonlinear-section>p{color:var(--soft);line-height:1.7;max-width:850px}
.nonlinear-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:18px;margin-top:22px}
#fractal-view{display:block;width:100%;max-width:610px;height:auto;aspect-ratio:200/134;image-rendering:auto;margin:10px auto 18px;background:#08101c}
.fractal-controls{padding:0 24px 20px}
.fractal-controls .panel-heading{padding-left:0;padding-right:0}
.fractal-controls label{display:flex;justify-content:space-between;gap:8px;color:var(--soft);font-size:13px;margin:17px 0 9px}
.fractal-controls output{color:var(--text);font:600 13px ui-monospace,monospace}
#fractal-model{display:block;width:100%;padding:12px;background:#142b3b;color:var(--text);border:1px solid var(--border);border-radius:5px}
.fractal-controls .stats{margin:20px 0 0}
.fractal-controls .hint{padding:10px 0 0}
@media(max-width:850px){.nonlinear-grid{grid-template-columns:1fr}}


.stability-section{margin-top:26px;border-top:1px solid var(--border);padding-top:36px}
.stability-section h2{font-size:clamp(28px,4vw,43px);letter-spacing:-.035em;margin:16px 0}
.stability-section>p{max-width:880px;color:var(--soft);line-height:1.7}
#stability-plot{display:block;width:100%;max-width:640px;height:auto;background:#0b1420;margin:12px auto;aspect-ratio:640/300}
.stability-controls{padding:0 24px 24px}
.stability-controls .panel-heading{padding-left:0;padding-right:0}
.stability-controls label{display:flex;justify-content:space-between;margin:18px 0 10px;font-size:13px;color:var(--soft)}
.stability-controls output{font:600 14px ui-monospace,monospace;color:var(--text)}
.stability-controls .stats{margin:24px 0 0}
.stability-controls .hint{padding:12px 0 0}

/* v0.3.2 precision-aware viewport */
.zoom-section{margin-top:28px;border-top:1px solid var(--border);padding-top:36px}
.zoom-section h2{font-size:clamp(28px,4vw,43px);letter-spacing:-.035em;margin:16px 0}
.zoom-section>p{max-width:870px;color:var(--soft);line-height:1.7}
#zoom-view{display:block;width:100%;max-width:660px;height:auto;aspect-ratio:176/112;background:#07111e;margin:10px auto 15px;cursor:crosshair;touch-action:none}
#zoom-view:focus-visible{outline:2px solid var(--green)}
.zoom-controls{padding:0 24px 23px}
.zoom-controls .panel-heading{padding-left:0;padding-right:0}
.zoom-controls label{display:block;font-size:13px;color:var(--soft);margin:14px 0 7px}
#zoom-model{width:100%;background:#142b3b;color:var(--text);border:1px solid var(--border);border-radius:5px;padding:12px}
.zoom-controls .stats{margin:17px 0 0}
.zoom-controls .stats div{align-items:baseline}
.zoom-controls .stats strong{overflow-wrap:anywhere;text-align:right;max-width:68%}
.zoom-controls>.hint{padding:14px 0 0}
.zoom-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:15px 0}
.zoom-actions button{width:100%;margin:0;padding:12px 3px;font-size:12px}
#zoom-overlay{margin:0;width:100%}