:root{--font-sans:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--primary-hue:221;--primary:hsl(var(--primary-hue), 83%, 53%);--primary-hover:hsl(var(--primary-hue), 83%, 45%);--primary-light:hsl(var(--primary-hue), 83%, 96%);--purple-hue:271;--purple:hsl(var(--purple-hue), 83%, 53%);--purple-hover:hsl(var(--purple-hue), 83%, 45%);--purple-light:hsl(var(--purple-hue), 83%, 96%);--success:#157f3c;--success-bg:#e9fbf0;--success-border:#a7f1c2;--warning:#f59f0a;--warning-bg:#fef7eb;--danger:#ef4343;--danger-bg:#fef1f1;--danger-hover:#eb1414;--neutral-50:#f8fafc;--neutral-100:#f1f5f9;--neutral-200:#dee6ed;--neutral-300:#c2ccd6;--neutral-400:#9ca8b4;--neutral-600:#65758b;--neutral-700:#344256;--neutral-800:#1d283a;--neutral-900:#111927;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--radius-3xl:2rem;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -2px #00000008;--shadow-xl:0 20px 25px -5px #00000012, 0 10px 10px -5px #0000000a;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.25s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--neutral-50);color:var(--neutral-800);-webkit-font-smoothing:antialiased;line-height:1.5}.container{max-width:900px;margin:0 auto;padding:0 1.5rem}.app-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--neutral-200);z-index:100;box-shadow:var(--shadow-sm);background:#fffc;padding:1rem 0;position:sticky;top:0}.header-content{justify-content:space-between;align-items:center;display:flex}.logo-container{align-items:center;gap:.75rem;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary), hsl(var(--primary-hue), 83%, 65%));color:#fff;border-radius:var(--radius-lg);box-shadow:0 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