/**
 * Layout Styles
 * Sidebar, top bar, navigation, and page layout
 */

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    transition: transform 0.3s ease, background-color var(--transition-normal), color var(--transition-normal);
    z-index: 1000;
    border-right: 1px solid var(--border-color);
}

.sidebar.hidden {
    transform: translateX(-100%);
}

/* Sidebar header removed - user info moved to footer */

.sidebar-nav {
    padding: 16px 0;
    flex: 1;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    padding: 8px 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.nav-link.active {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
    border-left: 3px solid var(--color-primary);
    font-weight: 500;
}

.nav-link-icon {
    margin-right: 12px;
    font-size: 18px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.user-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-surface-hover);
    border-radius: 8px;
    margin-bottom: 12px;
    transition: background-color var(--transition-normal);
}

.user-avatar {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-details .user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-details .user-role {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Top Bar */
.top-bar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    color: var(--text-primary);
}

.page-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.visible {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }
}