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

.sidebar {
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform var(--transition), width 0.25s ease;
}

.sidebar-logo {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* Compact logo shown only when the sidebar is collapsed */
.logo-mini {
    display: none;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary);
}

.app-shell.sidebar-collapsed .sidebar-logo {
    justify-content: center;
    padding: 0;
}
.app-shell.sidebar-collapsed .logo-text {
    display: none;
}
.app-shell.sidebar-collapsed .logo-mini {
    display: block;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--color-text-light);
    transition: background var(--transition), color var(--transition);
}

.nav-link:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.nav-link.active {
    background: var(--color-primary);
    color: white;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sidebar-credit {
    font-size: 0.72rem;
    color: var(--color-text-light);
    text-align: center;
    line-height: 1.55;
}
.sidebar-credit-copy {
    font-size: 0.68rem;
    opacity: 0.85;
}

/* Collapsed (minimized) sidebar on desktop: icon rail only.
   Overriding the --sidebar-width variable makes BOTH the fixed sidebar width
   and the .main-wrapper margin update together (single source of truth). */
.app-shell.sidebar-collapsed {
    --sidebar-width: 72px;
}
.app-shell.sidebar-collapsed .nav-link {
    justify-content: center;
    padding: 0.75rem 0;
    gap: 0;
}
.app-shell.sidebar-collapsed .nav-label {
    display: none;
}
.app-shell.sidebar-collapsed .sidebar-footer {
    padding: 0.5rem 0;
    align-items: center;
}
.app-shell.sidebar-collapsed .sidebar-credit {
    display: none;
}
.app-shell.sidebar-collapsed #logoutBtn {
    padding: 0.5rem;
    font-size: 0;
    line-height: 1;
}
.app-shell.sidebar-collapsed #logoutBtn .logout-icon {
    font-size: 1.1rem;
}

.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

.header {
    height: var(--header-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.sidebar-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text);
    line-height: 1;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
}

.sidebar-toggle:hover {
    background: var(--color-bg);
}

.header-search {
    flex: 1;
    max-width: 500px;
}

.header-search input {
    width: 100%;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.icon-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    position: relative;
    cursor: pointer;
    line-height: 1;
    transition: transform 0.2s ease;
}

/* Refresh (sync) button spin animation while a sync is in progress */
.icon-btn.spinning {
    animation: icon-spin 0.8s linear infinite;
}

@keyframes icon-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.profile-dropdown {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.profile-img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.profile-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.95rem;
}

.profile-name {
    font-weight: 500;
}

.content {
    padding: 1.5rem;
    flex: 1;
}