@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/be-vietnam-pro-vietnamese-400-normal-CRcqvyg1.woff2)format("woff2"),url(/assets/be-vietnam-pro-vietnamese-400-normal-BuGn0gnm.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/be-vietnam-pro-latin-ext-400-normal-CiZNW1ec.woff2)format("woff2"),url(/assets/be-vietnam-pro-latin-ext-400-normal-DYBYyMQr.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/be-vietnam-pro-latin-400-normal-PpnXBOrz.woff2)format("woff2"),url(/assets/be-vietnam-pro-latin-400-normal-bXgqVju9.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/be-vietnam-pro-vietnamese-500-normal-DREgrEoJ.woff2)format("woff2"),url(/assets/be-vietnam-pro-vietnamese-500-normal-CfdwVo8-.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/be-vietnam-pro-latin-ext-500-normal-h0Fp6aX0.woff2)format("woff2"),url(/assets/be-vietnam-pro-latin-ext-500-normal-CK0UkkKf.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/be-vietnam-pro-latin-500-normal-B6LVzGNe.woff2)format("woff2"),url(/assets/be-vietnam-pro-latin-500-normal-BJkVuMHw.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/be-vietnam-pro-vietnamese-700-normal-Csr0PCuG.woff2)format("woff2"),url(/assets/be-vietnam-pro-vietnamese-700-normal-By_5yT39.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/be-vietnam-pro-latin-ext-700-normal-C8_gqRu2.woff2)format("woff2"),url(/assets/be-vietnam-pro-latin-ext-700-normal-4Hjo2OtD.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/be-vietnam-pro-latin-700-normal-DlW1Zbsh.woff2)format("woff2"),url(/assets/be-vietnam-pro-latin-700-normal-C2EtzaOi.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--font-ui:"Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--color-space:#02030a;--color-surface:#0b0f1eb8;--color-surface-strong:#0e1326eb;--color-sheet:#0c1124;--color-border:#8fb4ff29;--color-border-strong:#8fb4ff66;--color-text:#e9eefb;--color-muted:#9ba8c6;--color-starlight:#8fb4ff;--color-sunlight:#ffc865;--color-sunlight-ink:#241600;--color-warning:#ffb38a;--radius-pill:999px;--radius-panel:18px;--radius-control:12px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--text-xs:.75rem;--text-sm:.875rem;--text-base:.95rem;--text-title:clamp(1.4rem, 1.1rem + 1vw, 1.9rem);--shadow-float:0 18px 50px #0000008c, 0 2px 0 #ffffff0a inset;--blur:blur(14px) saturate(140%);--duration-fast:.15s;--duration-normal:.28s;--ease-out:cubic-bezier(.16, 1, .3, 1);--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px);--bar-gap:max(var(--space-3), var(--safe-left));--topbar-height:60px;--timebar-height:64px}*,:before,:after{box-sizing:border-box}html,body{background:var(--color-space);height:100%;color:var(--color-text);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;margin:0;font-size:16px;overflow:hidden}#app{position:fixed;inset:0}[hidden]{display:none!important}.scene{z-index:0;isolation:isolate;position:absolute;inset:0}.scene-canvas{touch-action:none;cursor:grab;width:100%;height:100%;display:block}.scene-canvas:active{cursor:grabbing}.scene-labels{pointer-events:none;position:absolute;inset:0}.label{pointer-events:auto;margin-bottom:var(--space-1);border:1px solid var(--color-border);border-radius:var(--radius-pill);color:var(--color-text);font:500 var(--text-xs) / 1.4 var(--font-ui);letter-spacing:.02em;white-space:nowrap;cursor:pointer;transition:background var(--duration-fast), border-color var(--duration-fast), color var(--duration-fast);background:#0609148c;padding:2px 9px}.label:hover{border-color:var(--color-border-strong);background:#141c38cc}.label--moon{color:var(--color-muted);font-size:.68rem}.label--distantStar{color:#cbd7f5;background:#06091459;font-style:italic}.label--star{color:var(--color-sunlight);font-weight:700}.label.is-selected{border-color:var(--color-starlight);color:#fff;background:#8fb4ff38}.btn{justify-content:center;align-items:center;gap:var(--space-2);min-height:44px;padding:0 var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-control);background:var(--color-surface);-webkit-backdrop-filter:var(--blur);color:var(--color-text);font:500 var(--text-sm) / 1 var(--font-ui);cursor:pointer;transition:background var(--duration-fast), border-color var(--duration-fast), transform var(--duration-fast);display:inline-flex}.btn:hover{border-color:var(--color-border-strong);background:var(--color-surface-strong)}.btn:active{transform:scale(.96)}.btn:disabled{opacity:.4;cursor:default;transform:none}.btn:focus-visible,.label:focus-visible,.body-item:focus-visible,.dialog a:focus-visible,.panel-title:focus-visible{outline:2px solid var(--color-starlight);outline-offset:2px}.btn--icon{width:44px;padding:0}.btn--primary{background:var(--color-sunlight);color:var(--color-sunlight-ink);border-color:#0000;font-weight:700}.btn--primary:hover{background:#ffd78c;border-color:#0000}.icon{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:20px;height:20px}.topbar{align-items:center;gap:var(--space-3);padding:calc(var(--safe-top) + var(--space-3)) max(var(--space-3), var(--safe-right)) 0 var(--bar-gap);pointer-events:none;z-index:2;display:flex;position:absolute;top:0;left:0;right:0}.topbar>*{pointer-events:auto}.title{letter-spacing:.04em;text-transform:uppercase;text-shadow:0 2px 12px #000c;margin:0;font-size:1rem;font-weight:700}.topbar-actions{gap:var(--space-2);margin-left:auto;display:flex}.lang-toggle{gap:0;padding:4px}.lang-toggle span{min-width:38px;height:34px;color:var(--color-muted);letter-spacing:.06em;transition:background var(--duration-normal) var(--ease-out), color var(--duration-normal);border-radius:9px;place-items:center;font-weight:700;display:grid}.lang-toggle span.is-active{background:var(--color-starlight);color:#071026}.drawer,.panel{overscroll-behavior:contain;border:1px solid var(--color-border);border-radius:var(--radius-panel);background:var(--color-surface);-webkit-backdrop-filter:var(--blur);box-shadow:var(--shadow-float);animation:surface-in var(--duration-normal) var(--ease-out);position:absolute;overflow-y:auto}@keyframes surface-in{0%{opacity:0;transform:translateY(8px)scale(.98)}}.drawer{top:calc(var(--safe-top) + var(--topbar-height) + var(--space-2));bottom:calc(var(--safe-bottom) + var(--timebar-height) + var(--space-4));left:var(--bar-gap);width:270px;padding:var(--space-4) var(--space-2);z-index:3}.drawer-title{margin:0 var(--space-3) var(--space-2);font-size:var(--text-xs);letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted);font-weight:700}.body-group h3{margin:var(--space-4) var(--space-3) var(--space-1);font-size:var(--text-xs);color:var(--color-starlight);font-weight:500}.body-group ul{margin:0;padding:0;list-style:none}.body-item{align-items:center;gap:var(--space-3);width:100%;min-height:40px;padding:0 var(--space-3);color:var(--color-text);font:400 var(--text-sm) / 1.2 var(--font-ui);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:10px;display:flex}.body-item:hover{background:#8fb4ff1a}.body-item[aria-current=true]{background:#8fb4ff33;font-weight:700}.body-dot{background:var(--dot,#fff);width:12px;height:12px;box-shadow:0 0 10px var(--dot,#fff);border-radius:50%;flex:none}.panel{top:calc(var(--safe-top) + var(--topbar-height) + var(--space-2));bottom:calc(var(--safe-bottom) + var(--timebar-height) + var(--space-4));right:max(var(--space-3), var(--safe-right));width:min(380px, calc(100vw - 2 * var(--space-3)));padding:var(--space-6);z-index:2}.panel-head{justify-content:space-between;align-items:flex-start;gap:var(--space-3);display:flex}.panel-title{font-size:var(--text-title);letter-spacing:-.01em;margin:0;font-weight:700;line-height:1.15}.panel-subtitle{margin:var(--space-2) 0 0;color:var(--color-starlight);font-size:var(--text-sm);line-height:1.45}.speak{width:100%;margin-top:var(--space-4)}.speak .icon--stop,.speak.is-speaking .icon--speak{display:none}.speak.is-speaking .icon--stop{display:block}.speak.is-speaking{background:var(--color-surface-strong);color:var(--color-sunlight);border-color:var(--color-sunlight)}.notice{margin:var(--space-3) 0 0;padding:var(--space-3);border-left:3px solid var(--color-warning);color:var(--color-warning);font-size:var(--text-sm);background:#ffb38a1a;border-radius:8px;line-height:1.45}.panel-desc{margin:var(--space-4) 0 0;font-size:var(--text-base);line-height:1.65}.panel-section{margin:var(--space-6) 0 var(--space-2);font-size:var(--text-xs);letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted);font-weight:700}.facts{border-top:1px solid var(--color-border);grid-template-columns:1fr auto;margin:0;display:grid}.facts dt,.facts dd{border-bottom:1px solid var(--color-border);font-size:var(--text-sm);margin:0;padding:9px 0}.facts dt{color:var(--color-muted);padding-right:var(--space-3)}.facts dd{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}.highlights{font-size:var(--text-sm);margin:0;padding-left:1.1em;line-height:1.6}.highlights li+li{margin-top:var(--space-2)}.highlights li::marker{color:var(--color-sunlight)}.fun-facts{margin-top:var(--space-4);padding:var(--space-3) var(--space-4) var(--space-4);border-radius:var(--radius-control);background:linear-gradient(140deg,#ffc8651f,#8fb4ff0d 70%);border:1px solid #ffc8654d}.fun-facts__title{align-items:center;gap:var(--space-2);margin:0 0 var(--space-2);font-size:var(--text-base);color:var(--color-sunlight);font-weight:700;display:flex}.fun-facts__icon{fill:currentColor;flex:none;width:18px;height:18px}.fun-facts__list{font-size:var(--text-base);margin:0;padding:0;line-height:1.6;list-style:none}.fun-facts__list li+li{margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px dashed #ffc86538}.timebar{left:50%;bottom:calc(var(--safe-bottom) + var(--space-3));align-items:center;gap:var(--space-1);padding:var(--space-1);border:1px solid var(--color-border);background:var(--color-surface);-webkit-backdrop-filter:var(--blur);box-shadow:var(--shadow-float);z-index:1;border-radius:16px;display:flex;position:absolute;transform:translate(-50%)}.timebar .btn{-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border-color:#0000}.timebar .btn:hover:not(:disabled){background:#8fb4ff1f}.play-toggle .icon--play,.play-toggle.is-paused .icon--pause{display:none}.play-toggle.is-paused .icon--play{display:block}.time-readout{min-width:150px;padding:0 var(--space-3);text-align:center;display:grid}.sim-date{font-size:var(--text-sm);font-variant-numeric:tabular-nums;font-weight:700}.sim-speed{font-size:var(--text-xs);color:var(--color-starlight)}.hint{left:50%;bottom:calc(var(--safe-bottom) + var(--timebar-height) + var(--space-6));width:min(520px,100vw - 32px);color:var(--color-muted);font-size:var(--text-sm);text-align:center;text-shadow:0 2px 10px #000;pointer-events:none;margin:0;transition:opacity .6s;position:absolute;transform:translate(-50%)}.hint.is-dismissed{opacity:0}.scale-note{left:var(--bar-gap);bottom:calc(var(--safe-bottom) + var(--space-4));color:#9ba8c6b3;font-size:var(--text-xs);letter-spacing:.06em;text-transform:uppercase;pointer-events:none;margin:0;position:absolute}.dialog{border:1px solid var(--color-border);border-radius:var(--radius-panel);background:var(--color-surface-strong);width:min(560px,100vw - 32px);max-height:calc(100dvh - 48px);color:var(--color-text);box-shadow:var(--shadow-float);padding:0}.dialog::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#0009}.dialog-body{padding:var(--space-6);font-size:var(--text-sm);line-height:1.6}.dialog-body h2{margin:0 0 var(--space-4);font-size:1.25rem}.links{gap:var(--space-2) var(--space-4);margin:var(--space-4) 0 var(--space-6);flex-wrap:wrap;padding:0;list-style:none;display:flex}.links a{color:var(--color-starlight)}.fatal{padding:var(--space-6);text-align:center;background:var(--color-space);place-items:center;font-size:1.1rem;display:grid;position:absolute;inset:0}@media (max-width:720px){.title{font-size:var(--text-sm)}#btn-bodies span{display:none}#btn-bodies{width:44px;padding:0}.drawer{right:var(--bar-gap);width:auto;max-height:62dvh;bottom:auto}.panel{width:100%;max-height:58dvh;padding:var(--space-4) var(--space-4) calc(var(--safe-bottom) + var(--space-4));border-radius:var(--radius-panel) var(--radius-panel) 0 0;background:var(--color-sheet);border-bottom:0;animation-name:sheet-in;inset:auto 0 0}@keyframes sheet-in{0%{opacity:0;transform:translateY(40px)}}.timebar{left:var(--space-2);right:var(--space-2);justify-content:space-between;transform:none}.time-readout{min-width:0;padding:0 var(--space-1);flex:1}.scale-note{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}
