:root{--cyan:#1cceff;--cyan-dark:#0aaedd;--cyan-soft:rgba(28,206,255,.1);--ink:#0f172a;--muted:#5b6b7f;--light:#94a3b8;--border:#e3eaf2;--bg:#f6f9fc;--shadow-sm:0 1px 2px rgba(15,23,42,.04),0 4px 16px rgba(15,23,42,.05);--shadow-md:0 2px 4px rgba(15,23,42,.05),0 12px 32px rgba(15,23,42,.09);--shadow-cyan:0 8px 26px rgba(28,206,255,.38)}*{box-sizing:border-box;margin:0;padding:0}body,html{background:radial-gradient(1100px 480px at 50% -120px,rgba(28,206,255,.13),transparent 65%),var(--bg);font-family:Montserrat,system-ui,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased}button,input,select,textarea{font-family:inherit}input::placeholder,textarea::placeholder{color:var(--light)}a{color:inherit}::selection{background:rgba(28,206,255,.3)}:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:hsla(0,0%,100%,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}@media (max-width:560px){.header-aux{display:none}}.link-muted{color:var(--muted);text-decoration:none;transition:color .15s}.link-muted:hover{color:var(--ink)}.tool-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:20px;padding:26px;height:100%;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.tool-card:hover{transform:translateY(-4px);border-color:rgba(28,206,255,.55);box-shadow:0 4px 8px rgba(15,23,42,.04),0 18px 44px rgba(15,23,42,.1)}.tool-card .tool-arrow{transition:transform .18s ease}.tool-card:hover .tool-arrow{transform:translateX(4px)}.ui-card{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-sm)}.ui-btn-primary{transition:transform .15s ease,box-shadow .2s ease}.ui-btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 32px rgba(28,206,255,.45)}.ui-btn-primary:active:not(:disabled){transform:translateY(0)}.ui-btn-sec{transition:border-color .15s,color .15s,background .15s}.ui-btn-sec:hover{border-color:var(--light)!important;color:var(--ink)!important;background:#fff!important}.ui-input{transition:border-color .15s,box-shadow .15s}.ui-input:focus{outline:none;border-color:var(--cyan)!important;box-shadow:0 0 0 3px var(--cyan-soft)}@keyframes fadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.fu{animation:fadeUp .32s ease forwards}@keyframes spin{to{transform:rotate(1turn)}}.spin{animation:spin .8s linear infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.pulse{animation:pulse 1.5s ease infinite}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:#f1f5f9}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}