:root{--navy-dark:#0e182d;--navy-light:#16213e;--navy-lighter:#1f2d50;--slate:#8892b0;--slate-light:#a8b2d1;--slate-lightest:#ccd6f6;--white:#e6f1ff;--green:#10b981;--green-tint:#10b9811a;--red:#ef4444;--red-tint:#ef44441a;--indigo:#38bdf8;--bg-gradient:linear-gradient(180deg, var(--navy-dark) 0%, #080f1c 100%);--font-sans:"Inter", -apple-system, system-ui, sans-serif}*{box-sizing:border-box;touch-action:manipulation;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{background-color:var(--navy-dark);width:100%;height:100%}body{font-family:var(--font-sans);background:var(--bg-gradient);color:var(--white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-user-select:none;user-select:none;overscroll-behavior:none;background-attachment:fixed;line-height:1.5}.app-container{background-color:var(--navy-dark);flex-direction:column;max-width:600px;height:100vh;margin:0 auto;display:flex;position:relative;overflow:hidden;box-shadow:0 0 20px #00000080}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}*{scrollbar-width:thin;scrollbar-color:#ffffff26 transparent}h1,h2,h3,h4,h5,h6{color:var(--slate-lightest);font-weight:600}a{color:var(--green);text-decoration:none}button{cursor:pointer;font-family:var(--font-sans);background:0 0;border:none}input,textarea{font-family:var(--font-sans);-webkit-user-select:auto;user-select:auto}.bottom-nav{background:var(--navy-light);border-top:1px solid var(--navy-lighter);z-index:100;justify-content:space-around;width:100%;max-width:600px;padding:12px 0 24px;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-item{color:#64748b;flex-direction:column;align-items:center;gap:4px;font-size:12px;font-weight:600;transition:color .2s,filter .2s;display:flex}.nav-item.active{color:var(--indigo);text-shadow:0 0 8px #38bdf866}.nav-item svg{fill:currentColor;width:24px;height:24px;transition:filter .2s}.nav-item.active svg{filter:drop-shadow(0 0 6px #38bdf899)}.blue-slider{-webkit-appearance:none;background:var(--white);border-radius:4px;outline:none;width:100%;height:6px}.blue-slider::-webkit-slider-thumb{appearance:none;background:var(--indigo);cursor:pointer;border-radius:50%;width:16px;height:16px}.blue-slider::-moz-range-thumb{background:var(--indigo);cursor:pointer;border-radius:50%;width:16px;height:16px}