@import"https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";@layer components;@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer 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utilities{.relative{position:relative}.inline-block{display:inline-block}.invert{--tw-invert:invert(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--bg:#020408;--surface:#0b0f1a;--surface2:#111827;--border:#1e2d40;--text:#e2e8f0;--muted:#64748b;--accent:#38bdf8}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:Syne,sans-serif;overflow-x:hidden}@keyframes twinkle{0%,to{opacity:.15;transform:scale(1)}50%{opacity:.9;transform:scale(1.6)}}@keyframes shootingStar{0%{opacity:1;width:3px;transform:translate(0)translateY(0)}to{opacity:0;width:200px;transform:translate(600px)translateY(200px)}}@keyframes cardIn{0%{opacity:0;transform:translateY(24px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes orb-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}@keyframes float-astronaut{0%,to{transform:translateY(0)rotate(-5deg)}50%{transform:translateY(-8px)rotate(5deg)}}@keyframes bounce-astronaut{0%,to{transform:translateY(0)scaleY(1)}50%{transform:translateY(-4px)scaleY(1.1)}}@keyframes crushed-astronaut{0%,to{transform:scaleY(.7)scaleX(1.2)}50%{transform:scaleY(.65)scaleX(1.25)}}@keyframes heavy-astronaut{0%,to{transform:scaleY(.88)translateY(2px)}50%{transform:scaleY(.92)translateY(0)}}@keyframes glow-pulse{0%,to{opacity:.3;transform:scale(1)}50%{opacity:.6;transform:scale(1.15)}}.starfield{pointer-events:none;z-index:0;position:fixed;inset:0;overflow:hidden}.star{animation:twinkle var(--dur,3s) ease-in-out infinite;background:#fff;border-radius:50%;position:absolute}.shooting-star{opacity:0;background:linear-gradient(90deg,#0000,#fff,#0000);border-radius:999px;height:1.5px;animation:linear infinite shootingStar;position:absolute;left:-10px}.app{z-index:1;min-height:100vh;position:relative}.navbar{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:50;background:#020408b3;justify-content:space-between;align-items:center;padding:20px 40px;display:flex;position:sticky;top:0}.navbar-logo{align-items:center;gap:10px;display:flex}.navbar-icon{font-size:1.5rem}.navbar-title{letter-spacing:-.5px;color:var(--text);font-size:2rem;font-weight:700}.github-link{border:1px solid var(--border);border-radius:8px;font-size:.8rem;transition:all .2s}.github-link:hover{color:var(--text);background:#38bdf810;border-color:#38bdf866}.main{max-width:1280px;margin:0 auto;padding:60px 24px 40px}.hero{text-align:center;margin-bottom:52px}.hero-title{letter-spacing:-2px;color:var(--text);margin-bottom:16px;font-size:clamp(2rem,5vw,3.8rem);font-weight:800;line-height:1.1}.hero-accent{-webkit-text-fill-color:transparent;background:linear-gradient(135deg,#38bdf8,#818cf8,#34d399);-webkit-background-clip:text;background-clip:text}.hero-sub{color:var(--muted);max-width:520px;margin:0 auto;font-family:JetBrains Mono,monospace;font-size:1rem;line-height:1.7}.input-section{text-align:center;margin-bottom:56px}.input-label{letter-spacing:3px;color:var(--muted);text-transform:uppercase;margin-bottom:16px;font-family:JetBrains Mono,monospace;font-size:.7rem}.input-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.input-wrapper{align-items:center;display:flex;position:relative}.weight-input{background:var(--surface);border:1px solid var(--border);color:var(--text);appearance:textfield;letter-spacing:-1px;border-radius:16px;outline:none;width:200px;padding:16px 60px 16px 24px;font-family:Syne,sans-serif;font-size:2.8rem;font-weight:700;transition:border-color .2s,box-shadow .2s}.weight-input::-webkit-outer-spin-button{-webkit-appearance:none}.weight-input::-webkit-inner-spin-button{-webkit-appearance:none}.weight-input:focus{border-color:#2589b1;box-shadow:0 0 0 3px #e8f1f518}.weight-input::placeholder{color:#334155}.input-unit{color:var(--muted);font-family:JetBrains Mono,monospace;font-size:.85rem;position:absolute;right:16px}.unit-toggle{background:var(--surface);border:1px solid var(--border);cursor:pointer;border-radius:12px;align-items:center;gap:6px;padding:12px 20px;font-family:JetBrains Mono,monospace;font-size:.9rem;transition:border-color .2s;display:flex}.unit-toggle:hover{border-color:#38bdf866}.active-unit{color:#38bdf8;font-weight:600}.inactive-unit{color:var(--muted)}.unit-divider{color:var(--border)}.input-hint{color:#334155;margin-top:12px;font-family:JetBrains Mono,monospace;font-size:.72rem}.planet-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;display:grid}.planet-card{background:var(--surface);border:1px solid var(--border);cursor:pointer;text-align:center;border-radius:20px;padding:28px 20px 20px;transition:transform .2s,border-color .2s,box-shadow .2s;animation:.5s both cardIn;position:relative;overflow:hidden}.planet-card:hover{border-color:var(--planet-color,#38bdf8);box-shadow:0 8px 32px var(--planet-glow,#38bdf822);transform:translateY(-5px)}.earth-card{background:linear-gradient(135deg,#0b0f1a,#0b1a12);border-color:#34d39944}.planet-orb-wrapper{width:64px;height:64px;margin:0 auto 16px;position:relative}.planet-orb{z-index:1;border-radius:50%;width:64px;height:64px;animation:4s ease-in-out infinite orb-pulse;position:relative;box-shadow:inset -8px -8px 16px #0006,inset 4px 4px 12px #ffffff26}.planet-glow{filter:blur(12px);z-index:0;border-radius:50%;animation:4s ease-in-out infinite glow-pulse;position:absolute;inset:-8px}.saturn-ring{opacity:.7;z-index:2;border:3px solid;border-radius:50%;width:136%;height:22px;position:absolute;top:50%;left:-18%;transform:translateY(-50%)rotateX(70deg)}.planet-name{color:var(--text);letter-spacing:-.3px;margin-bottom:2px;font-size:1.1rem;font-weight:700}.planet-desc{color:var(--muted);letter-spacing:.5px;text-transform:uppercase;margin-bottom:16px;font-family:JetBrains Mono,monospace;font-size:.65rem}.weight-display{flex-wrap:wrap;justify-content:center;align-items:baseline;gap:4px;margin-bottom:12px;display:flex}.weight-value{color:var(--planet-color,var(--accent));letter-spacing:-1px;font-size:2rem;font-weight:800;line-height:1}.weight-unit{color:var(--muted);align-self:flex-end;padding-bottom:3px;font-family:JetBrains Mono,monospace;font-size:.75rem}.weight-placeholder{color:#1e2d40;letter-spacing:-1px;margin-bottom:12px;font-size:1.8rem;font-weight:700}.astro-emoji{margin-left:4px;font-size:1.2rem;display:inline-block}.astro-floating{animation:2s ease-in-out infinite float-astronaut}.astro-light{animation:1.5s ease-in-out infinite bounce-astronaut}.astro-normal{animation:2.5s ease-in-out infinite bounce-astronaut}.astro-heavy{animation:2s ease-in-out infinite heavy-astronaut}.astro-crushed{animation:1s ease-in-out infinite crushed-astronaut}.gravity-tag{border:1px solid;border-radius:999px;margin-bottom:10px;padding:4px 10px;font-family:JetBrains Mono,monospace;font-size:.65rem;display:inline-block}.flip-hint{color:#1e3a5f;letter-spacing:1px;font-family:JetBrains Mono,monospace;font-size:.6rem}.planet-card:hover .flip-hint{color:var(--muted)}.fun-fact-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:10;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:24px;animation:.25s cardIn;display:flex;position:absolute;inset:0}.fun-fact-close{color:#ffffff80;font-size:.75rem;position:absolute;top:14px;right:16px}.fun-fact-emoji{font-size:2.4rem}.fun-fact-text{color:#000000d9;text-align:center;font-size:.88rem;font-weight:600;line-height:1.5}.fun-fact-gravity{color:#0009;margin-top:4px;font-family:JetBrains Mono,monospace;font-size:.7rem}.footer{text-align:center;border-top:1px solid var(--border);color:#1e3a5f;margin-top:64px;padding-top:32px;font-family:JetBrains Mono,monospace;font-size:.72rem}@media(max-width:640px){.navbar{padding:16px 20px}.main{padding:40px 16px 32px}.hero-title{letter-spacing:-1px;font-size:2rem}.planet-grid{grid-template-columns:repeat(2,1fr);gap:12px}.weight-input{width:160px;font-size:2.2rem}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}