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252, .8);--border: rgba(15, 23, 42, .1);--brand: #4f46e5;--accent: #7c3aed;--success: #16a34a;--error: #ef4444;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 6px 18px rgba(15, 23, 42, .08);--shadow-lg: 0 10px 30px rgba(15, 23, 42, .12);--glow: 0 0 0 4px rgba(79, 70, 229, .14);--radius: 16px;--radius-sm: 12px}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,"Apple Color Emoji","Segoe UI Emoji";background:radial-gradient(1200px 600px at 20% -10%,rgba(79,70,229,.1),transparent 60%),radial-gradient(900px 500px at 90% 0%,rgba(124,58,237,.1),transparent 55%),var(--bg);color:var(--fg);line-height:1.6}a{color:inherit;text-decoration:none}.container{max-width:1120px;margin:0 auto;padding:0 1.25rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.15rem;border-radius:14px;border:1px solid rgba(15,23,42,.1);background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:650;letter-spacing:.1px;cursor:pointer;transition:transform .14s ease,box-shadow .14s ease,filter .14s ease,background .14s ease;box-shadow:0 6px 18px #4f46e533}.btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px #4f46e542;filter:saturate(1.05)}.btn:active{transform:translateY(0);box-shadow:0 8px 20px #4f46e538}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.btn.ghost{background:#ffffffa6;color:var(--fg);border:1px solid rgba(15,23,42,.12);box-shadow:0 1px 2px #0f172a0a}.btn.ghost:hover{background:#ffffffd9;box-shadow:0 8px 20px #0f172a14;filter:none}.card{background:var(--card);border-radius:calc(var(--radius) + 2px);padding:1.75rem;border:1px solid rgba(15,23,42,.1);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.card h1,.card h2,.card h3{letter-spacing:-.02em}.input{width:100%;padding:.8rem 1rem;border:1px solid rgba(15,23,42,.14);border-radius:var(--radius-sm);font-size:1rem;background:#fffc;color:var(--fg);transition:box-shadow .14s ease,border-color .14s ease,background .14s ease}.input::placeholder{color:#5b6b82bf}.input:focus{outline:none;border-color:#4f46e573;box-shadow:var(--glow);background:#fffffff2}header{position:sticky;top:0;z-index:50;background:#ffffffb3;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(15,23,42,.08);box-shadow:0 10px 25px #0f172a0a}.nav{display:flex;align-items:center;justify-content:space-between;height:72px}.brand{display:flex;align-items:center;gap:.75rem;font-weight:800;font-size:1.15rem;letter-spacing:-.02em;background:linear-gradient(135deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.nav-links{display:flex;list-style:none;gap:1.25rem;align-items:center}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#02061773;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1.25rem}.modal{background:#ffffffd1;border:1px solid rgba(15,23,42,.1);border-radius:22px;padding:1.75rem;max-width:520px;width:100%;box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.loading{display:inline-block;width:18px;height:18px;border:3px solid rgba(255,255,255,.35);border-radius:50%;border-top-color:#fff;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}