.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 260px 1fr;
    background: var(--color-bg);
}

.app-sidebar {
    background: #0f172a;
    color: #ffffff;
    padding: 24px 18px;
}

.app-logo {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 34px;
}

.app-logo span {
    min-width: 0;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.app-logo-image {
    height: 1cm;
    width: auto;
    flex-shrink: 0;
}

.app-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.app-nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #cbd5e1;
    padding: 12px 14px;
    border-radius: 10px;
    font-weight: 500;
}

.app-nav-link:hover,
.app-nav-link.active {
    background: rgba(255, 255, 255, 0.10);
    color: #ffffff;
}

.app-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.app-header {
    background: #ffffff;
    border-bottom: 1px solid var(--color-border);
    padding: 18px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-content {
    padding: 28px;
    flex: 1;
}

.app-footer {
    padding: 16px 28px;
    color: var(--color-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--color-border);
    background: #ffffff;
}

.context-title {
    font-weight: 800;
    margin: 0;
}

.context-subtitle {
    margin: 4px 0 0;
    color: var(--color-muted);
}

.user-context {
    text-align: right;
}

.user-context strong {
    display: block;
}

@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .app-sidebar {
        position: relative;
    }

    .app-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .user-context {
        text-align: left;
    }
}