:root{--primary:#2457a6;--primary-dark:#173d79;--bg:#f4f7fb;--card:#fff;--text:#172033;--muted:#667085;--border:#d9e0ea;--success:#198754;--danger:#c0392b}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:var(--primary)}.navbar{height:70px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;background:var(--primary);color:#fff;box-shadow:0 2px 12px #0001}.navbar nav{display:flex;align-items:center;gap:18px}.navbar a{color:#fff}.logo{font-weight:800;font-size:1.2rem}.logo.dark{color:var(--primary)}.container{width:min(1120px,92%);margin:45px auto}.hero{padding:65px 30px;text-align:center;background:linear-gradient(135deg,#fff,#eaf1ff);border:1px solid var(--border);border-radius:20px}.hero.compact{padding:45px 25px}.hero h1{font-size:clamp(2rem,5vw,4rem);margin:10px 0}.hero p{max-width:720px;margin:15px auto;color:var(--muted);line-height:1.7}.eyebrow{font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--primary)}.actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:25px}.btn{display:inline-block;border:0;border-radius:9px;background:var(--primary);color:#fff;padding:11px 18px;font-weight:700;cursor:pointer}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:#e8eef8;color:var(--primary)}.btn.full{width:100%}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin-top:25px}.grid.three{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:0 8px 25px #1b31500a}.card h2,.card h3{margin-top:0}.link-card{color:inherit;transition:.2s}.link-card:hover{transform:translateY(-3px);border-color:#aac0e8}.toolbar{display:grid;grid-template-columns:1fr 220px auto;gap:10px;margin:25px 0}.toolbar input,.toolbar select,input{width:100%;padding:12px;border:1px solid var(--border);border-radius:9px;background:#fff;font:inherit}.product-card{overflow:hidden;padding:0}.product-card img{width:100%;height:190px;object-fit:cover;background:#eef2f7}.product-body{padding:18px}.price{font-size:1.3rem;font-weight:800;color:var(--primary)}.muted{color:var(--muted)}.message{min-height:22px;margin:15px 0}.error{color:var(--danger)}.success{color:var(--success)}.auth-page{min-height:100vh;display:grid;place-items:center;padding:25px}.auth-card{width:min(440px,100%);background:#fff;border:1px solid var(--border);border-radius:18px;padding:35px;box-shadow:0 15px 50px #173d7915}.auth-card h1{margin-bottom:5px}.auth-card form{display:grid;gap:8px;margin:25px 0}.auth-card label{font-weight:700;font-size:.9rem;margin-top:8px}.demo-box{background:#eef5ff;border:1px solid #c9daf6;border-radius:10px;padding:14px;margin:20px 0;line-height:1.7}.nav-button{border:1px solid #ffffff66;background:#ffffff1a;color:#fff;padding:8px 12px;border-radius:7px;cursor:pointer}.page-title{display:flex;justify-content:space-between;align-items:end}.profile{max-width:700px;margin:auto;text-align:center}.profile img{width:140px;height:140px;border-radius:50%;object-fit:cover}.profile-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;text-align:left;margin-top:25px}.info{padding:14px;background:#f7f9fc;border-radius:10px}.info strong{display:block;font-size:.8rem;color:var(--muted);margin-bottom:4px}.loading{text-align:center;color:var(--muted);padding:30px}.empty{text-align:center;padding:40px;color:var(--muted);grid-column:1/-1}@media(max-width:700px){.navbar{height:auto;padding:16px 5%;gap:15px;align-items:flex-start}.navbar nav{gap:10px;flex-wrap:wrap;justify-content:flex-end}.toolbar{grid-template-columns:1fr}.profile-grid{grid-template-columns:1fr}.hero{padding:45px 20px}.container{margin:25px auto}}