:root{--navy-dark: #0e182d;--navy-light: #16213e;--navy-lighter: #1f2d50;--slate: #8892b0;--slate-light: #a8b2d1;--slate-lightest: #ccd6f6;--white: #e6f1ff;--green: #10B981;--green-tint: rgba(16, 185, 129, .1);--red: #EF4444;--red-tint: rgba(239, 68, 68, .1);--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;margin:0;padding:0;touch-action:manipulation;-webkit-tap-highlight-color:transparent}html,body{width:100%;height:100%;background-color:var(--navy-dark)}body{font-family:var(--font-sans);background:var(--bg-gradient);background-attachment:fixed;color:var(--white);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-user-select:none;user-select:none;overscroll-behavior:none}.app-container{display:flex;flex-direction:column;height:100vh;max-width:600px;margin:0 auto;position:relative;background-color:var(--navy-dark);box-shadow:0 0 20px #00000080;overflow:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}*{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.15) transparent}h1,h2,h3,h4,h5,h6{color:var(--slate-lightest);font-weight:600}a{color:var(--green);text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:var(--font-sans)}input,textarea{font-family:var(--font-sans);-webkit-user-select:auto;user-select:auto}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:600px;display:flex;justify-content:space-around;background:var(--navy-light);padding:12px 0 24px;border-top:1px solid var(--navy-lighter);z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;color:#64748b;gap:4px;font-size:12px;font-weight:600;transition:color .2s,filter .2s}.nav-item.active{color:var(--indigo);text-shadow:0 0 8px rgba(56,189,248,.4)}.nav-item svg{width:24px;height:24px;fill:currentColor;transition:filter .2s}.nav-item.active svg{filter:drop-shadow(0 0 6px rgba(56,189,248,.6))}.blue-slider{-webkit-appearance:none;width:100%;height:6px;border-radius:4px;background:var(--white);outline:none}.blue-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--indigo);cursor:pointer}.blue-slider::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--indigo);cursor:pointer}