:root{--bg-color: #0f1014;--surface-color: #1b1d22;--primary-color: #646cff;--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(155deg, #5a5a5a 0%, #2b2b2b 40%, #1a1a1a 60%, #4a4a4a 100%);--secondary-border: rgba(255,255,255,.2);--secondary-border-hover: rgba(255,255,255,.35);--secondary-shadow: 0 6px 14px rgba(0,0,0,.35);--text-primary: #ffffff;--text-secondary: #a1a1aa;--highlight-color: #ff0080;--font-family: "Inter", system-ui, -apple-system, sans-serif}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;min-height:100vh}*{box-sizing:border-box}a{text-decoration:none;color:inherit}button{cursor:pointer}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:#333;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}.container{max-width:1200px;margin:0 auto;padding:0 20px}.title-gradient{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:800}.btn-primary{background:var(--primary-gradient);border:none;border-radius:8px;padding:12px 24px;color:#fff;font-weight:600;transition:transform .2s,opacity .2s;box-shadow:0 4px 15px #764ba266}.btn-primary:hover{transform:translateY(-2px);opacity:.9}.btn-primary.btn-icon-primary{padding:0;width:56px;min-width:56px;display:inline-flex;align-items:center;justify-content:center}.tooltip{position:relative}.tooltip[data-tooltip]:hover:after,.tooltip[data-tooltip]:focus-visible:after{content:attr(data-tooltip);position:absolute;right:0;bottom:calc(100% + 10px);z-index:10;padding:8px 10px;border-radius:10px;background:var(--surface-color);border:1px solid rgba(255,255,255,.12);color:var(--text-primary);font-size:.85rem;font-weight:600;white-space:nowrap;box-shadow:0 10px 24px #00000073}.btn-secondary{background:var(--secondary-gradient)!important;border:1px solid var(--secondary-border)!important;border-radius:8px;color:var(--text-primary)!important;font-weight:600;box-shadow:var(--secondary-shadow);transition:transform .2s,border-color .2s,box-shadow .2s}.btn-secondary:hover{transform:translateY(-1px);border-color:var(--secondary-border-hover);box-shadow:0 8px 18px #00000073}.btn-secondary:active{transform:translateY(0)}.btn-secondary:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.card{background:var(--surface-color);border-radius:12px;padding:20px;border:1px solid rgba(255,255,255,.05);transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-2px);border-color:#ffffff1a}.input-field{width:100%;padding:16px;background:var(--surface-color);border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#fff;font-size:1.1rem;outline:none;transition:border-color .3s}.input-field:focus{border-color:#764ba2}