.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
    background: var(--color-bg-window);
}

.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-min-width);
    max-width: var(--sidebar-max-width);
    background: var(--color-bg-sidebar);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 300px;
    overflow: hidden;
    background: var(--color-bg-content);
}

.detail-panel {
    width: var(--detail-width);
    min-width: var(--detail-min-width);
    max-width: var(--detail-max-width);
    background: var(--color-bg-detail);
    border-left: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
}

.toolbar {
    height: var(--toolbar-height);
    min-height: var(--toolbar-height);
    background: var(--color-bg-toolbar);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-md);
    gap: var(--space-sm);
}

.toolbar__left,
.toolbar__center,
.toolbar__right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.toolbar__left {
    flex: 0 0 auto;
}

.toolbar__center {
    flex: 1;
    justify-content: center;
    max-width: 400px;
}

.toolbar__right {
    flex: 0 0 auto;
}

.toolbar__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
}

.toolbar__search {
    display: flex;
    align-items: center;
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0 var(--space-sm);
    width: 100%;
    max-width: 300px;
    height: 28px;
}

.toolbar__search svg {
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

.toolbar__search-input {
    border: none;
    background: transparent;
    padding: 0 var(--space-xs);
    width: 100%;
    height: 100%;
    font-size: var(--font-size-sm);
}

.toolbar__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: background var(--transition-fast);
    height: 28px;
}

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

.toolbar__btn--primary {
    background: var(--color-accent);
    color: var(--color-text-inverse);
}

.toolbar__btn--primary:hover {
    background: var(--color-accent-hover);
}

.toolbar__btn--menu {
    display: none;
}

.content-area {
    flex: 1;
    overflow: auto;
    position: relative;
}

.content-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: var(--space-lg);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-md);
}

.filter-bar {
    background: var(--color-accent-light);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-bar__chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    background: var(--color-accent);
    color: white;
    cursor: pointer;
}

.filter-bar__chip svg {
    width: 12px;
    height: 12px;
}