frontend/src/components/Layout/Layout.css

/* ============================================================
   LAYOUT — Dark-themed shell (sidebar + main area)
   ============================================================ */

.layout {
    display: flex;
    height: 100vh;
    background-color: var(--background-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    overflow: hidden;
}

/* ── Main area (topbar + content) ── */
.layout-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

/* ── Top bar — only visible on mobile for hamburger ── */
.layout-topbar {
    display: none;
}

.layout-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md, 10px);
    color: var(--text-secondary);
    transition: color 0.2s, background 0.2s;
}

.layout-hamburger:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.layout-hamburger:focus-visible {
    outline: 2px solid var(--accent-1, #6366f1);
    outline-offset: 2px;
}

/* ── Main content area ── */
.main-content {
    flex: 1;
    padding: 2.5rem 2.5rem 2rem;
    overflow-y: auto;
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .layout-topbar {
        display: flex;
        align-items: center;
        padding: 0.75rem 1rem;
        border-bottom: 1px solid var(--border-color);
        background: var(--surface-color);
        flex-shrink: 0;
    }

    .main-content {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 1rem;
    }
}