:root{color:#ecf7ff;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--panel:#070d1d9e;--panel-strong:#091126d6;--border:#9dd3ff33;--text-muted:#dcecffb8;--cyan:#72e3ff;--amber:#ffcc73;background:#02040a;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;min-width:320px;height:100%;margin:0;overflow:hidden}button,input,select{font:inherit}.app-shell{background:radial-gradient(circle at 50% 48%,#3870be2e,#0000 35%),radial-gradient(circle at 12% 18%,#72e3ff24,#0000 22%),#02040a;width:100%;height:100dvh;position:relative;overflow:hidden}.solar-canvas,.solar-stage{width:100%;height:100%;position:absolute;inset:0}.hud{z-index:2;border:1px solid var(--border);background:linear-gradient(135deg, var(--panel-strong), var(--panel));-webkit-backdrop-filter:blur(18px)saturate(140%);backdrop-filter:blur(18px)saturate(140%);position:absolute;box-shadow:0 24px 80px #00000057}.hud-top{border-radius:18px;width:min(430px,100vw - 48px);padding:22px;top:24px;left:24px}.info-panel{border-radius:18px;width:min(360px,100vw - 48px);padding:20px;top:24px;right:24px}.control-panel{border-radius:18px;width:min(420px,100vw - 48px);padding:18px;bottom:24px;right:24px}.panel-heading{color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;font-size:.78rem;font-weight:700;display:flex}.panel-heading strong{color:var(--amber);letter-spacing:0;text-transform:none}.eyebrow{color:var(--cyan);letter-spacing:.12em;text-transform:uppercase;margin:0 0 10px;font-size:.78rem;font-weight:700}h1{margin:0;font-size:clamp(2rem,4vw,4.7rem);line-height:.95}.intro{max-width:35rem;color:var(--text-muted);margin:14px 0 0;line-height:1.5}.info-panel h2{margin:0 0 10px;font-size:2rem;line-height:1}.info-panel p{color:var(--text-muted);margin:0;line-height:1.55}.info-panel dl{grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 0;display:grid}.info-panel dl div{background:#ffffff0f;border-radius:12px;min-width:0;padding:12px}.info-panel dt{color:var(--text-muted);text-transform:uppercase;font-size:.72rem}.info-panel dd{color:#fff;margin:6px 0 0;font-size:.92rem;font-weight:700}.field-block{color:var(--text-muted);gap:8px;margin-top:14px;font-size:.92rem;font-weight:700;display:grid}input[type=range]{width:100%;accent-color:var(--cyan);cursor:pointer}select{color:#f6fbff;background:#020812d6;border:1px solid #9dd3ff3d;border-radius:12px;width:100%;min-height:44px;padding:0 12px}.button-row{grid-template-columns:1.2fr 1fr 1fr;gap:10px;margin-top:16px;display:grid}.wide-toggle{width:100%;margin-top:10px}button{color:#f8fcff;cursor:pointer;background:#ffffff14;border:1px solid #9dd3ff3d;border-radius:12px;min-height:44px;font-weight:800;transition:transform .18s,border-color .18s,background .18s}button:hover,button:focus-visible{background:#72e3ff24;border-color:#72e3ffbd;outline:none}button:active{transform:translateY(1px)scale(.99)}.primary-button{background:linear-gradient(135deg,#ffcc7347,#72e3ff24);border-color:#ffcc738a}.webgl-fallback{color:#fff;text-align:center;place-items:center;min-height:100%;padding:24px;display:grid}@media (width<=760px){html,body,#root{overflow:auto}.app-shell{min-height:100dvh;overflow:hidden}.hud-top{border-radius:14px;width:calc(100vw - 28px);padding:16px;top:14px;left:14px}.info-panel{border-radius:14px;width:calc(100vw - 28px);padding:14px;top:116px;bottom:auto;right:14px}.control-panel{border-radius:14px;width:calc(100vw - 28px);padding:14px;bottom:14px;right:14px}.info-panel h2{font-size:1.45rem}.info-panel p{display:none}.info-panel dl{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}.info-panel dl div{min-height:58px;padding:10px}.button-row{grid-template-columns:repeat(3,1fr)}.intro{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}