.auth-container {
    min-height: calc(100vh - 60px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    background: radial-gradient(ellipse at 50% 0%, rgba(124,58,237,0.1) 0%, transparent 60%);
}
.auth-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
}
.auth-icon { font-size: 32px; text-align: center; margin-bottom: 16px; }
.auth-card h2 { font-size: 24px; font-weight: 700; text-align: center; margin-bottom: 8px; }
.auth-sub { color: var(--muted); font-size: 14px; text-align: center; margin-bottom: 28px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 7px; }
.form-group input {
    width: 100%;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    padding: 11px 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus { border-color: var(--purple); }
.form-group input::placeholder { color: var(--muted); }
.btn-full { width: 100%; margin-top: 8px; text-align: center; }
.auth-link { text-align: center; font-size: 13px; color: var(--muted); margin-top: 20px; }
.auth-link a { color: var(--purple-light); text-decoration: none; }
.auth-link a:hover { text-decoration: underline; }
.auth-msg {
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 18px;
}
.auth-msg.error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.auth-msg.success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }
.blockchain-notice {
    margin-top: 20px;
    background: rgba(124,58,237,0.08);
    border: 1px solid rgba(124,58,237,0.2);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 12px;
    color: var(--muted);
    text-align: center;
}
.divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.product-summary { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; }
.product-summary-icon { font-size: 40px; }
.product-summary-info h3 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.product-summary-info p { font-size: 13px; color: var(--muted); }
.product-summary-price { font-size: 28px; font-weight: 700; color: var(--purple-light); text-align: right; margin-bottom: 8px; }
.secure-badge { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }