:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box;margin:0;padding:0}:root{--wood-dark: #3e2723;--wood-medium: #5d4037;--wood-light: #8d6e63;--gold: #d4af37;--copper: #b87333;--brass: #b5a642;--ivory: #fff8e1;--cream: #fff3e0;--deep-red: #8b0000;--vintage-text: #2c1e13;--glow: rgba(212, 175, 55, .3)}body{font-family:Courier New,Courier,monospace;background:radial-gradient(circle at 20% 20%,rgba(94,53,35,.8) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(184,115,51,.6) 0%,transparent 50%),linear-gradient(135deg,#2c1e13,#1a1008);color:var(--vintage-text);line-height:1.6;min-height:100vh;overflow-x:hidden;position:relative}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 30% 30%,rgba(212,175,55,.1) 0%,transparent 50%),radial-gradient(circle at 70% 70%,rgba(184,115,51,.1) 0%,transparent 50%);pointer-events:none;z-index:-1}body:after{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background-image:radial-gradient(#000 1px,transparent 1px),radial-gradient(#000 1px,transparent 1px);background-size:60px 60px,60px 60px;background-position:0 0,30px 30px;opacity:.05;pointer-events:none;z-index:-1}.app{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;perspective:1000px}.container{width:100%;max-width:800px;margin:0 auto;animation:slideIn .8s cubic-bezier(.175,.885,.32,1.275);display:flex;flex-direction:column;align-items:center;position:relative}@keyframes slideIn{0%{opacity:0;transform:translateY(50px) rotateX(-10deg) scale(.9)}50%{transform:translateY(-10px) rotateX(5deg) scale(1.02)}to{opacity:1;transform:translateY(0) rotateX(0) scale(1)}}h1{font-size:3.5rem;color:var(--gold);margin-bottom:.5rem;font-weight:700;text-transform:uppercase;letter-spacing:4px;text-shadow:2px 2px 0px var(--copper),4px 4px 0px var(--wood-dark);position:relative;animation:glowPulse 4s ease-in-out infinite;border-bottom:3px solid var(--gold);padding-bottom:10px}@keyframes glowPulse{0%,to{text-shadow:2px 2px 0px var(--copper),4px 4px 0px var(--wood-dark),0 0 20px var(--glow)}50%{text-shadow:2px 2px 0px var(--copper),4px 4px 0px var(--wood-dark),0 0 40px var(--glow)}}.subtitle{font-size:1.2rem;color:var(--cream);margin-bottom:2rem;font-style:italic;text-transform:uppercase;letter-spacing:2px;border-top:1px solid var(--gold);border-bottom:1px solid var(--gold);padding:10px 20px;background:#fff8e11a;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);animation:subtitleFloat 3s ease-in-out infinite}@keyframes subtitleFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.calculator-card{background:linear-gradient(135deg,var(--ivory) 0%,var(--cream) 100%);border-radius:16px;padding:2.5rem;box-shadow:0 20px 40px #0006,inset 0 1px #fffc,inset 0 -1px #0000001a;margin-bottom:2rem;width:100%;max-width:680px;margin:0 auto;border:3px solid var(--wood-dark);position:relative;animation:woodTexture 0s;transform:rotateY(0);transition:transform .3s cubic-bezier(.175,.885,.32,1.275)}.calculator-card:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent 49%,rgba(0,0,0,.05) 50%,transparent 51%),linear-gradient(-45deg,transparent 49%,rgba(0,0,0,.05) 50%,transparent 51%);background-size:20px 20px;opacity:.3;pointer-events:none;border-radius:16px}.calculator-card:hover{transform:translateY(-5px) rotateY(2deg);box-shadow:0 25px 50px #00000080,inset 0 1px #fffc,inset 0 -1px #0000001a}@keyframes woodTexture{0%{background-position:0 0}to{background-position:100px 100px}}.calculator-card:after{content:"";position:absolute;top:-10px;left:-10px;right:-10px;bottom:-10px;border:2px solid rgba(184,115,51,.3);border-radius:20px;pointer-events:none;animation:borderGlow 3s ease-in-out infinite alternate}@keyframes borderGlow{0%{border-color:#b873331a}to{border-color:#b8733380}}.bands-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-bottom:2rem}.band-section{display:flex;flex-direction:column;gap:.75rem;position:relative}label{font-weight:700;color:var(--wood-dark);font-size:.9rem;text-transform:uppercase;letter-spacing:1px;font-family:Georgia,serif;position:relative;padding-left:15px}label:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:8px;height:8px;background:var(--gold);border-radius:50%;box-shadow:0 0 5px var(--gold)}select{padding:1.2rem 1.5rem;border:3px solid var(--wood-medium);border-radius:8px;font-size:1.1rem;background:linear-gradient(135deg,#fff,#f9f9f9);color:var(--wood-dark);outline:none;transition:all .3s cubic-bezier(.175,.885,.32,1.275);cursor:pointer;font-family:Georgia,serif;box-shadow:inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 4px 0 var(--wood-dark),0 6px 10px #0003;position:relative}select:hover{border-color:var(--copper);transform:translateY(-2px);box-shadow:inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 6px 0 var(--wood-dark),0 8px 15px #0000004d}select:focus{border-color:var(--gold);box-shadow:inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 4px 0 var(--wood-dark),0 6px 10px #0003,0 0 0 4px #d4af3733;transform:translateY(-3px) scale(1.02);animation:focusPulse 1.5s ease-in-out infinite}@keyframes focusPulse{0%,to{box-shadow:inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 4px 0 var(--wood-dark),0 6px 10px #0003,0 0 0 4px #d4af371a}50%{box-shadow:inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 4px 0 var(--wood-dark),0 6px 10px #0003,0 0 0 4px #d4af3766}}select::-ms-expand{display:none}select:after{content:"▼";font-size:.8rem;color:var(--gold);position:absolute;right:15px;top:50%;transform:translateY(-50%);pointer-events:none;transition:all .3s ease}select:hover:after{color:var(--copper);transform:translateY(-50%) rotate(180deg)}.band-section:before{content:"";position:absolute;top:-10px;left:-10px;right:-10px;bottom:-10px;background:linear-gradient(135deg,#b873331a,#d4af370d);border-radius:12px;z-index:-1;opacity:0;transition:opacity .3s ease}.band-section:hover:before{opacity:1}.calculate-btn{background:linear-gradient(135deg,var(--brass) 0%,var(--gold) 100%);color:var(--wood-dark);border:3px solid var(--copper);padding:1.2rem 2rem;font-size:1.2rem;font-weight:800;border-radius:8px;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);text-transform:uppercase;letter-spacing:2px;width:100%;margin-top:1rem;font-family:Georgia,serif;box-shadow:0 6px 0 var(--copper),0 10px 20px #0000004d,inset 0 1px #fff9,inset 0 -2px 5px #0003;position:relative;animation:buttonGlow 4s ease-in-out infinite}.calculate-btn:before{content:"";position:absolute;top:-5px;left:-5px;right:-5px;bottom:-5px;background:radial-gradient(circle,rgba(181,166,66,.3) 0%,transparent 70%);border-radius:12px;z-index:-1;opacity:0;transition:opacity .3s ease}.calculate-btn:hover{transform:translateY(-4px) scale(1.02);border-color:var(--gold);box-shadow:0 8px 0 var(--copper),0 12px 25px #0006,inset 0 1px #fffc,inset 0 -2px 5px #0000004d;animation-play-state:paused}.calculate-btn:active{transform:translateY(-1px) scale(.98);box-shadow:0 2px 0 var(--copper),0 4px 10px #0000004d,inset 0 1px #fff9,inset 0 -2px 5px #0003}.calculate-btn:hover:before{opacity:1}@keyframes buttonGlow{0%,to{box-shadow:0 6px 0 var(--copper),0 10px 20px #0000004d,inset 0 1px #fff9,inset 0 -2px 5px #0003,0 0 #b5a64280}50%{box-shadow:0 6px 0 var(--copper),0 10px 20px #0000004d,inset 0 1px #fff9,inset 0 -2px 5px #0003,0 0 0 4px #b5a6424d}}.error-message{background:linear-gradient(135deg,#fff3e0,#ffe0b2);color:var(--deep-red);padding:1.2rem;border-radius:8px;border:2px solid var(--deep-red);margin-top:1rem;font-weight:700;font-family:Georgia,serif;box-shadow:inset 0 1px #fffc,inset 0 -1px #0000001a,0 4px 0 var(--wood-dark),0 6px 10px #0003;position:relative;animation:errorShake .5s ease-in-out}@keyframes errorShake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.error-message:before{content:"⚠️";font-size:1.5rem;position:absolute;top:-10px;left:-10px;background:var(--deep-red);color:#fff;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 0 var(--wood-dark)}.result-container{background:linear-gradient(135deg,var(--ivory) 0%,var(--cream) 100%);border-radius:12px;padding:2.5rem;border:2px solid var(--wood-light);margin-top:1rem;box-shadow:inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 6px 0 var(--wood-dark),0 10px 20px #0000004d;position:relative;animation:resultGlow 3s ease-in-out infinite}.result-container:before{content:"";position:absolute;top:-5px;left:-5px;right:-5px;bottom:-5px;background:linear-gradient(135deg,#d4af371a,#b873330d);border-radius:16px;z-index:-1;opacity:.5}@keyframes resultGlow{0%,to{box-shadow:inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 6px 0 var(--wood-dark),0 10px 20px #0000004d,0 0 #d4af3733}50%{box-shadow:inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 6px 0 var(--wood-dark),0 10px 20px #0000004d,0 0 0 4px #d4af374d}}.result-container h2{font-size:1.8rem;color:var(--wood-dark);margin-bottom:1.5rem;font-family:Georgia,serif;text-align:center;border-bottom:2px solid var(--gold);padding-bottom:15px}.result-value{font-size:3rem;font-weight:900;color:var(--wood-dark);margin-bottom:1.5rem;text-align:center;font-family:Georgia,serif;background:linear-gradient(135deg,var(--gold),var(--copper));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 2px 0 var(--wood-dark);animation:valuePulse 2s ease-in-out infinite}@keyframes valuePulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.result-details{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;text-align:left}.result-details p{background:linear-gradient(135deg,#fff,#f9f9f9);padding:1.2rem;border-radius:8px;border-left:4px solid var(--gold);font-weight:700;color:var(--wood-dark);font-family:Georgia,serif;box-shadow:inset 0 1px #fffc,inset 0 -1px #0000001a,0 2px 0 var(--wood-dark),0 4px 8px #0003;transition:all .3s ease}.result-details p:hover{transform:translateY(-2px);box-shadow:inset 0 1px #fffc,inset 0 -1px #0000001a,0 4px 0 var(--wood-dark),0 6px 12px #0000004d}.info-box{background:linear-gradient(135deg,var(--ivory) 0%,var(--cream) 100%);border-radius:16px;padding:2.5rem;box-shadow:0 15px 30px #0000004d,inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 4px 0 var(--wood-dark),0 6px 10px #0003;max-width:680px;margin:0 auto;border:2px solid var(--wood-light);position:relative;animation:infoGlow 5s ease-in-out infinite}.info-box:before{content:"";position:absolute;top:-5px;left:-5px;right:-5px;bottom:-5px;background:linear-gradient(135deg,#d4af370d,#b8733308);border-radius:20px;z-index:-1;opacity:.3}@keyframes infoGlow{0%,to{box-shadow:0 15px 30px #0000004d,inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 4px 0 var(--wood-dark),0 6px 10px #0003,0 0 #d4af371a}50%{box-shadow:0 15px 30px #0000004d,inset 0 1px #fffc,inset 0 -2px 5px #0000001a,0 4px 0 var(--wood-dark),0 6px 10px #0003,0 0 0 3px #d4af3733}}.main{display:flex;flex-direction:column;align-items:center;text-align:center;gap:1.5rem}.info-box h3{color:var(--wood-dark);margin-bottom:1.5rem;font-size:1.5rem;font-family:Georgia,serif;text-align:center;border-bottom:2px solid var(--gold);padding-bottom:15px;position:relative}.info-box h3:after{content:"";position:absolute;bottom:-8px;left:50%;transform:translate(-50%);width:50px;height:2px;background:var(--gold);box-shadow:0 0 10px var(--gold)}.info-box p{color:var(--vintage-text);margin-bottom:1rem;font-size:1.1rem;line-height:1.8;font-family:Georgia,serif;text-align:left;padding:.5rem 1rem;border-left:3px solid rgba(212,175,55,.3);background:#ffffff4d;border-radius:4px;transition:all .3s ease}.info-box p:hover{background:#ffffff80;transform:translate(5px);border-left-color:var(--gold)}.info-box strong{color:var(--wood-dark);font-weight:800;background:linear-gradient(135deg,var(--gold),var(--copper));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 1px 0 rgba(0,0,0,.1)}.info-box:after{content:"";position:absolute;top:20px;right:20px;width:40px;height:40px;background:linear-gradient(135deg,rgba(184,115,51,.2),transparent);border-radius:0 0 0 50%;box-shadow:-5px 5px 10px #0003;opacity:.3}@media(max-width:768px){.container{padding:1rem}h1{font-size:2rem}.bands-container{grid-template-columns:1fr;gap:1rem}.result-value{font-size:2rem}.result-container,.info-box{padding:1.5rem}.calculate-btn{padding:1rem 1.5rem;font-size:1rem}}@media(max-width:480px){h1,.result-value{font-size:1.75rem}.band-section{gap:.25rem}select{padding:.75rem;font-size:.9rem}label{font-size:.8rem}}.calculator-card,.info-box{animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}