:root{--bg-color: #f8fafc;--text-color: #0f172a;--card-bg: #ffffff;--primary: #3b82f6;--accent: #64748b;--border: #e2e8f0;--font-family: "Inter", system-ui, sans-serif;--radius: 16px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}[data-theme=dark]{--bg-color: #0f172a;--text-color: #f8fafc;--card-bg: #1e293b;--primary: #38bdf8;--accent: #94a3b8;--border: #334155}body{margin:0;font-family:var(--font-family);background-color:var(--bg-color);background-image:radial-gradient(at 0% 0%,rgba(59,130,246,.3) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(99,102,241,.3) 0px,transparent 50%),radial-gradient(at 100% 0%,rgba(236,72,153,.15) 0px,transparent 50%);background-attachment:fixed;color:var(--text-color);transition:background-color .3s ease,color .3s ease;min-height:100vh;display:flex;flex-direction:column}#root{width:100%}*{box-sizing:border-box}button{cursor:pointer;background-color:var(--primary);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:var(--radius);font-weight:600;transition:opacity .2s,transform .1s}button:hover{opacity:.9;transform:translateY(-1px)}input,select{background-color:var(--card-bg);border:1px solid var(--border);color:var(--text-color);padding:.75rem;border-radius:var(--radius);width:100%;font-size:1rem}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background-color:#fffc;border:1px solid var(--border);border-radius:var(--radius);padding:2.5rem;box-shadow:var(--shadow-lg);transition:all .3s ease;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}[data-theme=dark] .card{background-color:#1e293bcc}.glass-card{background:#ffffffb3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius)}[data-theme=dark] .glass-card{background:#1e293bb3;border:1px solid rgba(255,255,255,.05)}.title{font-size:3rem;font-weight:800;margin-bottom:2rem;background:linear-gradient(to right,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}.nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100;background:#fffc}[data-theme=dark] .nav{background:#0f172acc}.inbox-grid{display:grid;grid-template-columns:1fr 2fr;gap:2rem;min-height:60vh}@media (max-width: 768px){.inbox-grid{grid-template-columns:1fr;min-height:auto}.card{padding:1.5rem}.title{font-size:2rem}}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:4rem}.animate-fade-in{animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.logo{font-weight:900;font-size:1.5rem;color:var(--primary);text-decoration:none}