/* OtOpcUa Admin — view-specific layer over the technical-light theme (theme.css).
   Tokens live in theme.css; this sheet only carries layout + the side rail. */

/* ── App shell: side rail + page ─────────────────────────────────────────── */
.app-shell {
    display: flex;
    align-items: stretch;
    min-height: calc(100vh - 3.3rem);
}

.app-shell .page {
    flex: 1;
    min-width: 0;
}

/* ── Side rail ───────────────────────────────────────────────────────────── */
.side-rail {
    width: 218px;
    flex: 0 0 218px;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 1rem 0.7rem;
    background: var(--card);
    border-right: 1px solid var(--rule-strong);
}

.rail-eyebrow {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--ink-faint);
    padding: 0.3rem 0.6rem;
}

.rail-link {
    display: block;
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    border-left: 2px solid transparent;
    font-size: 0.86rem;
    color: var(--ink-soft);
}
.rail-link:hover {
    background: #f3f6fd;
    color: var(--ink);
    text-decoration: none;
}
.rail-link.active {
    background: #eef2fc;
    border-left-color: var(--accent);
    color: var(--accent-deep);
    font-weight: 600;
}

/* ── Session block, pinned to the rail foot ──────────────────────────────── */
.rail-foot {
    margin-top: auto;
    padding-top: 0.6rem;
    border-top: 1px solid var(--rule);
}
.rail-user {
    display: block;
    padding: 0 0.6rem;
    font-weight: 600;
    font-size: 0.88rem;
}
.rail-roles {
    padding: 0.1rem 0.6rem 0.5rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--ink-faint);
}
.rail-btn {
    display: inline-block;
    margin: 0 0.6rem;
    padding: 0.3rem 0.7rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ink-soft);
    background: var(--card);
    border: 1px solid var(--rule-strong);
    border-radius: 4px;
    cursor: pointer;
}
.rail-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    text-decoration: none;
}

/* ── Page headings — uppercase eyebrow, calm spacing ─────────────────────── */
.page-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0 0 1rem;
    color: var(--ink);
}

/* ── Login card centring ─────────────────────────────────────────────────── */
.login-wrap {
    max-width: 380px;
    margin: 3.5rem auto 0;
}