html, body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #f4f5f7;
    color: #1f2937;
}

/* ---- App shell (authenticated) ---- */
.lh-shell { min-height: 100vh; display: flex; flex-direction: column; }

.lh-header {
    background: linear-gradient(135deg, #7a48ce 0%, #c64e74 100%);
    color: #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.lh-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.lh-header img { background: #fff; padding: 4px 8px; border-radius: 8px; }
.lh-header-title { font-weight: 600; font-size: 1.05rem; }
.lh-header-right { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.lh-user { opacity: 0.95; font-size: 0.9rem; }
.lh-logout { color: #fff; text-decoration: underline; font-size: 0.9rem; }

.lh-main {
    flex: 1;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.75rem 1.25rem;
    box-sizing: border-box;
}

/* ---- Login / register shell ---- */
.lh-login-shell {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1.5rem;
    box-sizing: border-box;
    background: linear-gradient(135deg, #1a1a2e 0%, rgb(122, 72, 206) 50%, rgb(211, 80, 122) 100%);
}

/* ---- Verification form + result ---- */
.lh-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.lh-result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 2rem;
}
.lh-section-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #7a48ce;
    margin: 0 0 0.4rem;
}
.lh-dl { display: grid; grid-template-columns: 140px 1fr; gap: 0.25rem 0.75rem; margin: 0; }
.lh-dl dt { color: #6b7280; font-size: 0.85rem; }
.lh-dl dd { margin: 0; font-size: 0.9rem; }
.lh-list { margin: 0; padding-left: 1.1rem; }
.lh-muted { color: #9ca3af; font-size: 0.85rem; }

@media (max-width: 720px) {
    .lh-form-grid, .lh-result-grid { grid-template-columns: 1fr; }
    .lh-header-title { display: none; }
}