:root{--bg-main: #0f1115;--bg-soft: #141824;--text-main: #ffffff;--text-muted: rgba(255, 255, 255, .7);--border-soft: rgba(255, 255, 255, .08);--brand-primary: #1e90ff;--brand-primary-dark: #1a7fe0;--brand-neutral: rgba(255, 255, 255, .08)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;background:var(--bg-main);color:var(--text-main);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea{font-family:inherit}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1180px;margin:0 auto;padding:0 20px}.section{padding:64px 0}.hero{padding:88px 0 64px;background:linear-gradient(180deg,rgba(30,144,255,.12),transparent 70%)}.h1{font-size:2.6rem;font-weight:800;line-height:1.15;margin:0}.h2{font-size:1.8rem;font-weight:700;margin:0 0 8px}.h3{font-size:1.1rem;font-weight:600}.small{font-size:.9rem;color:var(--text-muted)}.grid{display:grid;gap:24px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.card{background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:16px;padding:28px}.card+.card{margin-top:16px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:12px;background:var(--brand-primary);color:#fff;font-weight:700;border:none;cursor:pointer;transition:background .15s ease,transform .15s ease}.btn:hover{background:var(--brand-primary-dark);transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--brand-neutral);color:var(--text-main)}.btn-secondary:hover{background:#ffffff1f}.nav{position:sticky;top:0;z-index:50;background:#0f1115f2;border-bottom:1px solid var(--border-soft)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;padding:0 20px}.nav-inner a{font-weight:800;letter-spacing:.3px}.nav-links{display:flex;align-items:center;gap:18px}.nav-cta{padding:10px 18px;border-radius:10px;background:var(--brand-primary);color:#fff;font-weight:700}.nav-cta:hover{background:var(--brand-primary-dark)}.chat-bubble{padding:12px 14px;border-radius:14px;font-size:.9rem;margin-bottom:10px}.chat-bubble.bot{background:#ffffff0f;border:1px solid var(--border-soft)}.chat-bubble.user{background:#1e90ff2e;border:1px solid rgba(30,144,255,.35)}.footer{margin-top:auto;padding:28px 0;border-top:1px solid var(--border-soft);background:#0f1115e6}@media(max-width:768px){.h1{font-size:2rem}.section{padding:44px 0}.nav-inner{height:auto;padding:14px 16px;flex-wrap:wrap;gap:12px}.nav-cta{width:100%;justify-content:center}}.admin-shell{display:flex;min-height:100vh}.admin-sidebar{width:240px;background:#0b1c2d;color:#fff;padding:20px}.admin-sidebar a{display:block;color:#fff;margin:10px 0;text-decoration:none}.admin-main{flex:1;padding:30px}.admin-card{background:#292929;padding:15px;margin-bottom:10px}