body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-shell--auth {
    justify-content: center;
    align-items: center;
}

.app-shell--auth .social-sidebar {
    display: none;
}

.social-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    overflow-y: auto;
}

.app-shell--auth .main-content {
    margin-left: 0;
}

/* Page container */
.page {
    padding: var(--space-xl);
    max-width: 1400px;
}

.page__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.page__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.page__subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.page__actions {
    display: flex;
    gap: var(--space-sm);
}

/* ---- Sidebar Styles ---- */
.sidebar__header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar__brand {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.sidebar__app-name {
    font-size: var(--text-xl);
    font-weight: 800;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar__brand-sub {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.sidebar__brand-ai {
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.sidebar__nav {
    padding: var(--space-md) var(--space-sm);
    flex: 1;
}

.sidebar__nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px var(--space-md);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
}

.sidebar__nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar__nav-item--active {
    background: rgba(139, 92, 246, 0.1);
    color: var(--brand-purple);
}

.sidebar__nav-item--active svg {
    stroke: var(--brand-purple);
}

.sidebar__spacer {
    flex: 1;
}

.sidebar__footer {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

.sidebar__footer-btn {
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar__footer-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar__user {
    padding: var(--space-sm) var(--space-lg) var(--space-md);
}

.sidebar__user-name {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}