:root{--bg:#f8f9fa;--surface:#ffffff;--border:#e2e8f0;--text:#1a202c;--text-muted:#718096;--primary:#6c47ff;--primary-hover:#5a38e0;--danger:#e53e3e;--success:#38a169}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.container{max-width:1200px;margin:0 auto;padding:0 24px}input,select,textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;outline:none;transition:border-color .15s}input:focus,select:focus{border-color:var(--primary)}label{display:block;font-size:13px;font-weight:600;margin-bottom:4px;color:var(--text-muted)}.field{margin-bottom:16px}.field-row{display:flex;gap:12px}.field-row>.field{flex:1 1}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--border);color:var(--text)}.btn-full{width:100%}.btn-lg{padding:14px 24px;font-size:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge-success{background:#c6f6d5;color:#276749}.badge-warning{background:#fefcbf;color:#975a16}.badge-danger{background:#fed7d7;color:#9b2c2c}.checkout-layout{display:grid;grid-template-columns:1fr 400px;grid-gap:32px;gap:32px;max-width:1100px;margin:0 auto;padding:32px 24px}@media (max-width:768px){.checkout-layout{grid-template-columns:1fr}}.checkout-header{padding:16px 24px;border-bottom:1px solid var(--border);background:var(--surface)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-card{width:100%;max-width:420px}.auth-card h1{font-size:24px;margin-bottom:8px}.auth-card p{color:var(--text-muted);margin-bottom:24px}.dash-nav{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;display:flex;align-items:center;gap:24px;height:56px}.dash-nav a{text-decoration:none;color:var(--text-muted);font-size:14px;font-weight:500;padding:16px 0;border-bottom:2px solid transparent}.dash-nav a:hover{color:var(--text)}.dash-content{max-width:800px;margin:32px auto;padding:0 24px}.summary-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.summary-item:last-child{border-bottom:none}.summary-item img{width:64px;height:64px;object-fit:cover;border-radius:8px;border:1px solid var(--border)}.summary-item-info{flex:1 1}.summary-item-info h4{font-size:14px;margin-bottom:2px}.summary-item-info p{font-size:13px;color:var(--text-muted)}.summary-item-price{font-weight:600;font-size:14px;white-space:nowrap}.summary-totals{padding-top:16px}.summary-row{display:flex;justify-content:space-between;padding:4px 0;font-size:14px}.summary-row.total{font-size:18px;font-weight:700;padding-top:12px;border-top:2px solid var(--text);margin-top:8px}.success-page{min-height:100vh;text-align:center}.success-icon,.success-page{display:flex;align-items:center;justify-content:center}.success-icon{width:80px;height:80px;border-radius:50%;background:#c6f6d5;margin:0 auto 16px;font-size:40px}.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}.alert-error{background:#fed7d7;color:#9b2c2c}.alert-success{background:#c6f6d5;color:#276749}