@import "https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap";:root{--cosmos-black:#03030f;--cosmos-deep:#070714;--cosmos-navy:#0d0d2b;--cosmos-surface:#ffffff0a;--cosmos-glass:#ffffff12;--cosmos-border:#ffffff1a;--cosmos-border-h:#fff3;--glass-bg:#0f0f23eb;--aura-purple:#a855f7;--aura-violet:#7c3aed;--aura-cyan:#22d3ee;--aura-glow:#a855f759;--aura-glow-sm:#a855f726;--text-primary:#f0eeff;--text-secondary:#9d9bc0;--text-muted:#5a5878;--font-body:"Space Grotesk", system-ui, sans-serif;--font-mono:"Space Mono", ui-monospace, monospace;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:40px;--space-2xl:64px;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px;--ease-out:cubic-bezier(.22, 1, .36, 1);--duration-fast:.15s;--duration-base:.25s;--duration-slow:.4s}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-size:16px}body{font-family:var(--font-body);background:var(--cosmos-black);color:var(--text-primary);min-height:100dvh;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(80% 50% at 50% 0,#783cdc1f 0%,#0000 70%),radial-gradient(60% 40% at 80% 80%,#22d3ee0f 0%,#0000 60%);position:fixed;inset:0}#root{z-index:1;flex-direction:column;min-height:100dvh;display:flex;position:relative}h1{letter-spacing:-.03em;color:var(--text-primary);font-size:clamp(1.8rem,4vw,2.8rem);font-weight:600;line-height:1.15}h2{letter-spacing:-.02em;color:var(--text-primary);font-size:clamp(1.2rem,2.5vw,1.6rem);font-weight:500}h3{color:var(--text-secondary);font-size:1rem;font-weight:500}p{color:var(--text-secondary);line-height:1.65}.glass-card{background:var(--cosmos-glass);border:1px solid var(--cosmos-border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(16px);transition:border-color var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out)}.glass-card:hover{border-color:var(--cosmos-border-h);box-shadow:0 0 32px var(--aura-glow-sm)}.nav{justify-content:space-between;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-xl);padding-top:max(var(--space-md), env(safe-area-inset-top));padding-right:max(var(--space-xl), env(safe-area-inset-right));padding-left:max(var(--space-xl), env(safe-area-inset-left));border-bottom:1px solid var(--cosmos-border);-webkit-backdrop-filter:blur(24px)saturate(1.4);z-index:100;background:#050514b8;display:flex;position:sticky;top:0}.nav-brand{align-items:center;gap:var(--space-sm);flex-shrink:0;text-decoration:none;display:flex}.nav-brand-icon{border-radius:var(--radius-sm);width:36px;height:36px;box-shadow:0 0 12px var(--aura-glow);transition:box-shadow var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);justify-content:center;align-items:center;display:flex}.nav-brand:hover .nav-brand-icon{box-shadow:0 0 20px var(--aura-glow);transform:translateY(-1px)}.nav-brand-logo{width:100%;height:100%;display:block}.nav-brand-name{color:var(--text-primary);letter-spacing:-.02em;font-size:1rem;font-weight:600}.nav-links{border:1px solid var(--cosmos-border);border-radius:var(--radius-full);background:#ffffff0a;gap:2px;margin:0;padding:3px;list-style:none;display:flex;position:relative;box-shadow:inset 0 1px #ffffff0d}.nav-item-wrapper{position:relative}.nav-item-caret{color:var(--text-muted);margin-left:2px;font-size:.6875rem;transition:transform .25s cubic-bezier(.175,.885,.32,1.2)}.nav-item-wrapper:hover .nav-item-caret{color:var(--text-primary);transform:rotate(180deg)}.nav-sub-flyout{opacity:0;pointer-events:none;visibility:hidden;z-index:200;min-width:200px;padding-top:10px;transition:transform .28s cubic-bezier(.175,.885,.32,1.25),opacity .18s,visibility .18s;position:absolute;top:100%;left:50%;transform:translate(-50%)translateY(-6px)scale(.94)}.nav-sub-flyout:before{content:"";height:16px;position:absolute;top:0;left:0;right:0}.nav-item-wrapper:hover .nav-sub-flyout,.nav-sub-flyout:hover{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%)translateY(0)scale(1)}.nav-item-wrapper.force-hide-sub .nav-sub-flyout{opacity:0!important;visibility:hidden!important;pointer-events:none!important;transition:none!important;transform:translate(-50%)translateY(-6px)scale(.94)!important}.nav-sub-card{-webkit-backdrop-filter:blur(24px)saturate(1.6);box-shadow:0 16px 40px -8px #000000b3, 0 0 24px var(--aura-glow-sm);background:#0c0c20eb;border:1px solid #ffffff29;border-radius:16px;flex-direction:column;gap:3px;padding:8px;display:flex}.nav-sub-header{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);border-bottom:1px solid #ffffff14;margin-bottom:2px;padding:4px 10px 6px;font-size:.6875rem;font-weight:600}.nav-sub-list{flex-direction:column;gap:2px;display:flex}.nav-sub-link{color:var(--text-secondary);white-space:nowrap;border-radius:8px;align-items:center;gap:8px;padding:7px 10px;font-size:.8125rem;font-weight:500;text-decoration:none;transition:all .16s;display:flex}.nav-sub-icon{color:var(--aura-cyan);text-align:center;width:16px;font-size:.875rem}.nav-sub-label{flex-grow:1}.nav-sub-link:hover{color:#fff;background:#ffffff17;transform:translate(3px)}.nav-sub-link.active{color:#fff;background:linear-gradient(135deg,#7c3aed59,#a855f740);font-weight:600}.nav-subbar-container{padding:8px var(--space-md) 0 var(--space-md);pointer-events:none;top:calc(57px + env(safe-area-inset-top));z-index:90;background:0 0;justify-content:center;align-items:center;display:flex;position:sticky}.nav-subbar-inner{pointer-events:auto;justify-content:center;align-items:center;display:flex}.nav-link-indicator{border-radius:var(--radius-full);background:linear-gradient(135deg, var(--aura-violet), var(--aura-purple));width:0;box-shadow:0 0 18px var(--aura-glow);transition:transform .32s var(--ease-out), width .32s var(--ease-out);pointer-events:none;z-index:0;position:absolute;top:3px;bottom:3px;left:0;transform:translate(0)scaleX(0)}.nav-link{z-index:1;border-radius:var(--radius-full);color:var(--text-secondary);white-space:nowrap;-webkit-tap-highlight-color:transparent;transition:color var(--duration-base) var(--ease-out), background var(--duration-fast) var(--ease-out);align-items:center;gap:6px;padding:7px 16px;font-size:.875rem;font-weight:500;text-decoration:none;display:flex;position:relative}.nav-link:hover{color:var(--text-primary);background:#ffffff0f}.nav-link.active{color:#fff;text-shadow:0 1px 2px #00000040}.nav-link:focus-visible{outline:2px solid var(--aura-cyan);outline-offset:2px;border-radius:var(--radius-full)}.nav-lang-toggle{margin-left:var(--space-xs);letter-spacing:.08em;text-align:center;flex-shrink:0;min-width:42px;padding:8px 10px;font-size:.75rem;font-weight:700}.tabbar{z-index:100;-webkit-backdrop-filter:blur(24px)saturate(1.4);border-top:1px solid var(--cosmos-border);padding:6px max(8px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));background:#050514c7;gap:4px;display:none;position:fixed;bottom:0;left:0;right:0}.tabbar-link{border-radius:var(--radius-md);min-width:0;color:var(--text-muted);-webkit-tap-highlight-color:transparent;transition:color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;padding:7px 2px 6px;text-decoration:none;display:flex}.tabbar-link:hover{color:var(--text-secondary)}.tabbar-link.active{color:#fff;background:linear-gradient(135deg, var(--aura-violet), var(--aura-purple));box-shadow:0 0 12px var(--aura-glow-sm)}.tabbar-link.active .tabbar-icon{filter:drop-shadow(0 0 8px var(--aura-glow))}.tabbar-link:focus-visible{outline:2px solid var(--aura-cyan);outline-offset:-2px;border-radius:var(--radius-md)}.tabbar-icon{font-size:1.2rem;line-height:1}.tabbar-label{letter-spacing:.02em;white-space:nowrap;align-items:center;gap:2px;font-size:.6875rem;display:inline-flex}.tabbar-sub-indicator{opacity:.75;font-size:.625rem}.tabbar-link.sheet-open{color:#fff;background:#ffffff1f}.mobile-sheet-overlay{-webkit-backdrop-filter:blur(4px);z-index:140;background:#0009;animation:.2s ease-out forwards mobile-sheet-fade-in;position:fixed;inset:0}@keyframes mobile-sheet-fade-in{0%{opacity:0}to{opacity:1}}.mobile-sheet-container{left:0;right:0;bottom:calc(56px + env(safe-area-inset-bottom));z-index:150;pointer-events:none;justify-content:center;padding:0 12px 12px;display:flex;position:fixed}.mobile-sheet-card{-webkit-backdrop-filter:blur(28px)saturate(1.8);width:100%;max-width:440px;box-shadow:0 -8px 32px #0009, 0 0 32px var(--aura-glow-sm);pointer-events:auto;background:#0c0c20f2;border:1px solid #ffffff2e;border-radius:24px;padding:12px 12px 16px;animation:.3s cubic-bezier(.175,.885,.32,1.2) forwards mobile-sheet-slide-up}@keyframes mobile-sheet-slide-up{0%{opacity:0;transform:translateY(30px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}.mobile-sheet-handle{border-radius:var(--radius-full);background:#ffffff40;width:36px;height:4px;margin:0 auto 10px}.mobile-sheet-title{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);text-align:center;border-bottom:1px solid #ffffff14;margin-bottom:6px;padding-bottom:8px;font-size:.75rem;font-weight:600}.mobile-sheet-list{flex-direction:column;gap:4px;display:flex}.mobile-sheet-item{border-radius:var(--radius-lg);color:var(--text-primary);-webkit-tap-highlight-color:transparent;align-items:center;gap:12px;padding:10px 16px;font-size:.9375rem;font-weight:500;text-decoration:none;transition:background .15s;display:flex}.mobile-sheet-item:active{background:#ffffff1a}.mobile-sheet-item.active{background:linear-gradient(135deg,#7c3aed66,#a855f747);font-weight:600}.mobile-sheet-item-icon{justify-content:center;width:24px;font-size:1.125rem;display:inline-flex}.mobile-sheet-item-label{flex-grow:1}.mobile-sheet-item-check{color:var(--aura-cyan);font-size:.875rem;font-weight:700}.btn{justify-content:center;align-items:center;gap:var(--space-sm);border-radius:var(--radius-full);font-family:var(--font-body);cursor:pointer;transition:all var(--duration-base) var(--ease-out);white-space:nowrap;border:none;padding:12px 24px;font-size:.9375rem;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--aura-violet), var(--aura-purple));color:#fff;box-shadow:0 0 24px var(--aura-glow)}.btn-primary:hover{box-shadow:0 0 40px var(--aura-glow);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-ghost{background:var(--cosmos-surface);color:var(--text-secondary);border:1px solid var(--cosmos-border)}.btn-ghost:hover{color:var(--text-primary);border-color:var(--cosmos-border-h);background:var(--cosmos-glass)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important}.page{padding:var(--space-xl);flex:1;width:100%;max-width:960px;margin:0 auto}.aura-dot{transition:transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);cursor:pointer;border-radius:3px}.aura-dot:hover{z-index:10;position:relative;transform:scale(1.5)}.period-tabs{gap:var(--space-xs);background:var(--cosmos-surface);border:1px solid var(--cosmos-border);border-radius:var(--radius-full);padding:4px;display:flex}.period-tab{border-radius:var(--radius-full);cursor:pointer;color:var(--text-muted);font-size:.8125rem;font-weight:500;font-family:var(--font-body);transition:all var(--duration-fast);background:0 0;border:none;padding:6px 16px}.period-tab.active{background:var(--cosmos-glass);color:var(--text-primary);box-shadow:0 0 8px var(--aura-glow-sm)}.tooltip{background:var(--cosmos-navy);border:1px solid var(--cosmos-border);border-radius:var(--radius-sm);font-size:.75rem;font-family:var(--font-mono);white-space:nowrap;pointer-events:none;opacity:0;transition:opacity var(--duration-fast);z-index:20;padding:4px 8px;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%)}.aura-dot:hover .tooltip{opacity:1}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--cosmos-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--cosmos-border-h)}@media (width<=960px){.nav-brand-name,.nav-export .nav-export-label{display:none}.nav-export{padding:8px 10px}}@media (width<=768px){.nav{padding:var(--space-sm) var(--space-md);padding-top:max(var(--space-sm), env(safe-area-inset-top))}.nav-links{display:none}.nav-subbar-container{top:calc(50px + env(safe-area-inset-top));padding:4px var(--space-sm) 0 var(--space-sm)}.tabbar{display:flex}body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.page{padding:var(--space-md)}.period-tabs{flex-wrap:wrap}}@media (width<=360px){.tabbar{gap:2px;padding-left:4px;padding-right:4px}.tabbar-label{font-size:.5625rem}}.star-demo-page{max-width:900px;padding:var(--space-xl) var(--space-lg);gap:var(--space-2xl);flex-direction:column;margin:0 auto;display:flex}.demo-header{text-align:center}.demo-title{background:linear-gradient(135deg,#f0eeff 0%,#a855f7 50%,#22d3ee 100%);-webkit-text-fill-color:transparent;margin-bottom:var(--space-sm);letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;font-size:clamp(2rem,5vw,3.2rem);font-weight:700}.demo-subtitle{color:var(--text-secondary);font-size:1.05rem;line-height:1.6}.demo-section{align-items:center;gap:var(--space-lg);flex-direction:column;display:flex}.section-label{letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--cosmos-border);padding-bottom:var(--space-sm);text-align:center;width:100%;font-size:.75rem;font-weight:600}.interactive-section .star-showcase{padding:var(--space-xl);background:var(--cosmos-glass);border:1px solid var(--cosmos-border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.progress-info{text-align:center;width:100%;max-width:340px}.progress-bar-wrap{background:var(--cosmos-border);border-radius:var(--radius-full);height:4px;margin-bottom:var(--space-sm);overflow:hidden}.progress-bar-fill{border-radius:var(--radius-full);height:100%;transition:width .5s var(--ease-out);background:linear-gradient(90deg,#7c3aed,#22d3ee)}.progress-text{color:var(--text-secondary);font-size:.85rem}.stars-row{gap:var(--space-xl);flex-wrap:wrap;justify-content:center;display:flex}.star-card{align-items:center;gap:var(--space-sm);padding:var(--space-lg);background:var(--cosmos-surface);border:1px solid var(--cosmos-border);border-radius:var(--radius-lg);transition:border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);flex-direction:column;display:flex}.star-card:hover{border-color:var(--cosmos-border-h);transform:translateY(-3px)}.star-card-label{color:var(--text-primary);font-size:.9rem;font-weight:600}.star-card-sub{color:var(--text-muted);font-size:.75rem}.mini-universe{gap:var(--space-lg);padding:var(--space-xl);background:radial-gradient(ellipse at 20% 30%, #7850dc14 0%, transparent 50%), radial-gradient(ellipse at 80% 70%, #22d3ee12 0%, transparent 50%), var(--cosmos-surface);border:1px solid var(--cosmos-border);border-radius:var(--radius-lg);flex-wrap:wrap;justify-content:center;width:100%;display:flex}.mini-star-wrap{align-items:center;gap:var(--space-sm);flex-direction:column;display:flex}.mini-star-label{letter-spacing:.08em;color:var(--text-muted);text-transform:uppercase;font-size:.7rem}.universe-page{min-height:calc(100vh - var(--nav-height,64px));max-width:1200px;padding-bottom:var(--space-xl);flex-direction:column;align-items:center;display:flex;position:relative;overflow:hidden auto}.universe-bg{pointer-events:none;z-index:0;background:radial-gradient(at 30% 40%,#7850c80f 0%,#0000 60%),radial-gradient(at 70% 60%,#2850b40d 0%,#0000 60%),radial-gradient(#0a0a284d 0%,#0000 100%);position:fixed;inset:0}.universe-header{text-align:center;padding:var(--space-xl) var(--space-md) var(--space-lg);z-index:1;position:relative}.universe-title{letter-spacing:-.02em;margin:0;font-size:clamp(1.8rem,5vw,2.6rem);font-weight:600}.universe-subtitle{margin-top:var(--space-sm);color:var(--text-muted);font-size:.95rem}.constellation-area{z-index:1;flex:1;width:100%;max-width:900px;min-height:420px;position:relative}.planet-editor-section{z-index:1;width:100%;max-width:1080px;margin:0 auto var(--space-xl);padding:0 var(--space-md) var(--space-lg);box-sizing:border-box;position:relative}.planet-editor-section:before{content:"";filter:blur(30px);pointer-events:none;z-index:-1;background:radial-gradient(at 22% 38%,#654beb1f,#0000 42%);position:absolute;inset:14% 8% 0}.planet-editor-heading{justify-content:space-between;align-items:flex-end;gap:var(--space-lg);margin-bottom:var(--space-md);padding:0 var(--space-sm);display:flex}.planet-editor-kicker,.planet-control-eyebrow{color:var(--aura-cyan);font-family:var(--font-mono,ui-monospace, monospace);letter-spacing:.16em;text-transform:uppercase;font-size:.62rem}.planet-editor-title{letter-spacing:-.04em;margin-top:6px;font-size:clamp(1.3rem,3vw,1.8rem)}.planet-editor-description{color:var(--text-muted);margin-top:6px;font-size:.82rem}.planet-editor-status{border-radius:var(--radius-full);color:var(--aura-cyan);font-family:var(--font-mono,ui-monospace, monospace);letter-spacing:.1em;border:1px solid #22d3ee33;flex-shrink:0;align-items:center;gap:8px;padding:7px 10px;font-size:.6rem;display:inline-flex}.planet-editor-status-dot{background:var(--aura-cyan);border-radius:50%;width:6px;height:6px;box-shadow:0 0 10px #22d3eee6}.planet-editor-layout{align-items:stretch;gap:clamp(var(--space-lg), 5vw, 72px);padding:clamp(var(--space-md), 3vw, 32px);background:linear-gradient(135deg,#131434c7,#07091bd6),radial-gradient(circle at 20% 20%,#a855f729,#0000 42%);border:1px solid #8caaff24;border-radius:24px;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);display:grid;overflow:hidden;box-shadow:0 22px 70px #0000003d,inset 0 1px #ffffff0d}.planet-editor-preview{min-width:0;min-height:420px;padding:var(--space-md) 0 0;flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative}.planet-editor-preview .aura-planet{z-index:1;max-width:100%}.planet-editor-preview .aura-planet canvas{max-width:100%;height:auto!important}.planet-preview-aura{aspect-ratio:1;filter:blur(22px);background:radial-gradient(circle,#5c49ee33,#0000 65%);border-radius:50%;width:58%;position:absolute;top:50%;left:50%;transform:translate(-50%,-52%)}.planet-preview-caption{width:min(100%,360px);padding-top:var(--space-md);color:var(--text-muted);font-family:var(--font-mono,ui-monospace, monospace);letter-spacing:.08em;border-top:1px solid #ffffff14;justify-content:space-between;margin-top:2px;font-size:.58rem;display:flex}.planet-play-toggle{border-radius:var(--radius-lg);color:var(--text-muted);font-family:var(--font-mono,ui-monospace, monospace);letter-spacing:.08em;cursor:pointer;background:#ffffff0f;border:1px solid #ffffff26;align-items:center;gap:4px;padding:2px 8px;font-size:.58rem;transition:border-color .2s,color 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