:root{--bg-color:#0f172a;--bg-card:#1e293bb3;--text-main:#f8fafc;--text-muted:#94a3b8;--accent-color:#6366f1;--accent-hover:#4f46e5;--success-color:#10b981;--border-color:#334155;--danger-color:#f43f5e}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.app-container{flex-direction:column;gap:1.5rem;max-width:600px;min-height:100vh;margin:0 auto;padding:2rem 1rem;display:flex}h1,h2,h3{letter-spacing:-.025em;font-weight:600}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);border:1px solid #ffffff1a;border-radius:1rem;padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}button{color:inherit;font:inherit;cursor:pointer;background:0 0;border:none;outline:none}.btn-primary{background-color:var(--accent-color);color:#fff;border-radius:.5rem;justify-content:center;align-items:center;width:100%;padding:.75rem 1.5rem;font-weight:500;transition:background-color .2s,transform .1s;display:inline-flex}.btn-primary:hover{background-color:var(--accent-hover)}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.btn-secondary{color:#fff;background-color:#ffffff1a;border-radius:.5rem;padding:.5rem 1rem;font-weight:500;transition:background-color .2s}.btn-secondary:hover{background-color:#fff3}input[type=text],input[type=number]{border:1px solid var(--border-color);color:#fff;background:#0003;border-radius:.5rem;width:100%;padding:.5rem .75rem;font-family:inherit}input[type=text]:focus,input[type=number]:focus{border-color:var(--accent-color);outline:none}.header{text-align:center;margin-bottom:1rem}.header h1{background:linear-gradient(90deg,#818cf8,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:2rem}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:3px solid #ffffff1a;border-top-color:#fff;border-radius:50%;width:20px;height:20px;margin-right:.5rem;animation:1s linear infinite spin;display:inline-block}.switch-container{justify-content:center;align-items:center;gap:.75rem;margin-bottom:2rem;display:flex}.switch-label{color:var(--text-muted);cursor:pointer;font-size:.9rem;transition:color .2s}.switch-label.active{color:var(--text-main);font-weight:500}.switch{width:48px;height:24px;display:inline-block;position:relative}.switch input{opacity:0;width:0;height:0}.slider{cursor:pointer;border:1px solid var(--border-color);background-color:#ffffff1a;border-radius:24px;transition:all .3s;position:absolute;inset:0}.slider:before{content:"";background-color:#fff;border-radius:50%;width:16px;height:16px;transition:all .3s;position:absolute;bottom:3px;left:3px}input:checked+.slider{background-color:var(--accent-color);border-color:var(--accent-color)}input:checked+.slider:before{transform:translate(24px)}.ad-banner-wrapper{background:#0f172a66;border:1px solid #ffffff0d;border-radius:.75rem;min-height:50px;position:relative;overflow:hidden}.ad-banner-wrapper:before{content:"Ad";color:var(--text-muted);opacity:.5;text-transform:uppercase;letter-spacing:.05em;z-index:1;pointer-events:none;font-size:.625rem;position:absolute;top:4px;right:8px}