:root{--zn-primary:#2d5bff;--zn-accent:#7c3aed;--zn-ink:#12142b;--zn-muted:#6b7280;--zn-bg:#f4f5f9;--zn-border:#e3e5ec;--zn-gradient:linear-gradient(120deg,var(--zn-primary),var(--zn-accent))}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--zn-bg);color:var(--zn-ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--zn-primary)}.zn-gradient-text{background:var(--zn-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}.zn-btn-gradient{background:var(--zn-gradient);border:none;color:#fff;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease}.zn-btn-gradient:hover:not(:disabled){box-shadow:0 8px 20px rgba(45,91,255,.32);transform:translateY(-1px)}.zn-btn-gradient:disabled{opacity:.6;cursor:default;transform:none;box-shadow:none}.zn-input:focus{outline:none;border-color:var(--zn-primary)!important;box-shadow:0 0 0 3px rgba(45,91,255,.15)}.zn-card{transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.zn-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(18,20,43,.1);border-color:var(--zn-primary)}