/* ── Layout ─────────────────────────────────────────────────────────────── */
.sidebar {
    width: 220px;
    min-width: 220px;
    flex-shrink: 0;
}

.sidebar .nav-link {
    color: #444;
    border-radius: 6px;
    font-size: .875rem;
    padding: .45rem .75rem;
    transition: background .15s;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: #e9f0fb;
    color: #0d6efd;
}

/* ── Document cards ─────────────────────────────────────────────────────── */
.doc-card {
    transition: box-shadow .15s, transform .1s;
    cursor: pointer;
}

.doc-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, .12) !important;
    transform: translateY(-2px);
}

/* ── Upload drop zone ───────────────────────────────────────────────────── */
#dropZone.drag-over {
    background: #e9f0fb !important;
    border-color: #0d6efd !important;
}

/* ── Auth card ──────────────────────────────────────────────────────────── */
.auth-card {
    border-radius: 12px;
}

/* ── TOTP code input ────────────────────────────────────────────────────── */
#code {
    letter-spacing: .4rem;
    font-family: monospace;
}

/* ── Preview modal iframe ───────────────────────────────────────────────── */
#previewModalBody iframe {
    width: 100%;
    min-height: 60vh;
    border: none;
}

/* ── Responsive tweaks ──────────────────────────────────────────────────── */
@media (max-width: 767px) {
    .sidebar {
        display: none !important;
    }
}