@layer theme{:root,:host{--font-sans:"Inter",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;--color-gray-950:oklch(13% .028 261.692);--color-white:#fff;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color 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components;@layer utilities{.container{width:100%}@media(min-width:40rem){.container{max-width:40rem}}@media(min-width:48rem){.container{max-width:48rem}}@media(min-width:64rem){.container{max-width:64rem}}@media(min-width:80rem){.container{max-width:80rem}}@media(min-width:96rem){.container{max-width:96rem}}}html,body{background-color:var(--color-white)}@media(prefers-color-scheme:dark){html,body{background-color:var(--color-gray-950);color-scheme:dark}}:root{--bg:#0b1220;--card:#fff;--primary:#2563eb;--accent:#38bdf8;--positive:#16a34a;--negative:#dc2626;--text-dark:#020617}*{box-sizing:border-box}body{color:#e5e7eb;background:radial-gradient(1200px at top,#0f172a,#020617);margin:0;font-family:Inter,system-ui,sans-serif}.app-shell{justify-content:center;min-height:100vh;display:flex}.app-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#020617d9;border-bottom:1px solid 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96px}h1{text-align:center;margin-bottom:16px;font-size:18px;font-weight:700}.card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(#ffffff14,#ffffff05);border-radius:20px;margin-bottom:14px;padding:18px;box-shadow:0 20px 40px #00000059,inset 0 1px #ffffff14}input{color:#fff;background:#00000059;border:1px solid #ffffff1f;border-radius:14px;outline:none;width:100%;height:52px;padding:0 14px;font-size:16px}input::placeholder{color:#ffffff80}.row-input{align-items:center;gap:10px;display:flex}.row-input input{flex:1}.toggle{gap:8px;display:flex}.toggle button{color:#fff;cursor:pointer;letter-spacing:.6px;background:#ffffff14;border:none;border-radius:14px;flex:1;justify-content:center;align-items:center;min-width:72px;height:44px;font-size:14px;font-weight:800;display:flex}.toggle button.active{background:linear-gradient(135deg,var(--accent),var(--primary));box-shadow:inset 0 1px #ffffff40,0 6px 18px #2563eb73}.toggle.single button{pointer-events:none;cursor:default;margin-bottom:13px}.result-title{text-align:center;opacity:.85;margin-bottom:6px;font-size:14px;font-weight:700}.result{text-align:center;margin-bottom:10px;font-size:28px;font-weight:800}.instruction-text{text-align:center;opacity:.65;font-size:14px;line-height:1.6}.rate-info{text-align:center;opacity:.65;margin-top:14px;font-size:12px;line-height:1.6}.clear-button{color:#fff;cursor:pointer;background:#ffffff14;border:none;border-radius:14px;width:100%;height:44px;margin-top:12px;font-weight:700}.clear-button:active{transform:scale(.96)}.receipt{background:#ffffff0d;border-radius:16px;margin-top:16px;padding:16px;font-family:monospace}.receipt h3{text-align:center;opacity:.85;margin-bottom:12px}.receipt-row{justify-content:space-between;margin-bottom:6px;font-size:13px;display:flex}.receipt-row.bold{font-weight:700}.receipt-row.change{margin-top:8px;font-size:14px;font-weight:800}.receipt-divider{background:#ffffff26;height:1px;margin:8px 0}.receipt-footer{text-align:center;opacity:.6;margin-top:10px;font-size:11px}.bottom-bar{height:64px;padding-bottom:env(safe-area-inset-bottom);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#020617e6;border-top:1px solid #ffffff14;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.tab{color:#94a3b8;border-radius:16px;justify-content:center;align-items:center;width:48px;height:48px;font-size:22px;text-decoration:none;display:flex}.tab.active{color:var(--accent);background:#38bdf82e;transform:scale(.92)}