/* Flare.Components.IDE — Structural layout styles.
   Uses CSS custom properties for sizing only.
   No design tokens — all visual theming comes from base Flare components. */

/* === IDE Layout === */
.flare-ide-layout {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    --flare-ide-left-width: 300px;
    --flare-ide-right-width: 300px;
    --flare-ide-bottom-height: 200px;
}

.flare-ide-layout__ribbon {
    flex-shrink: 0;
}

.flare-ide-layout__menubar {
    flex-shrink: 0;
}

.flare-ide-layout__body {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.flare-ide-layout__main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.flare-ide-layout__content {
    flex: 1;
    min-height: 0;
    overflow: auto;
}

.flare-ide-layout__panel {
    flex-shrink: 0;
    overflow: auto;
}

.flare-ide-layout__panel--left {
    width: var(--flare-ide-left-width);
    border-right: 1px solid var(--flare-color-outline-variant, #e0e0e0);
}

.flare-ide-layout__panel--right {
    width: var(--flare-ide-right-width);
    border-left: 1px solid var(--flare-color-outline-variant, #e0e0e0);
}

.flare-ide-layout__bottom {
    height: var(--flare-ide-bottom-height);
    flex-shrink: 0;
    border-top: 1px solid var(--flare-color-outline-variant, #e0e0e0);
    overflow: auto;
}

.flare-ide-layout__statusbar {
    flex-shrink: 0;
}

/* === Ribbon === */
.flare-ribbon {
    display: flex;
    flex-direction: column;
}

.flare-ribbon__tabs {
    display: flex;
    gap: 2px;
    padding: 0 4px;
}

.flare-ribbon__tab {
    padding: 6px 16px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.8125rem;
    border-radius: 4px 4px 0 0;
    color: inherit;
    transition: background 150ms;
}

.flare-ribbon__tab:hover {
    background: rgba(0, 0, 0, 0.04);
}

.flare-ribbon__tab--active {
    background: var(--flare-color-surface, #fff);
    font-weight: 500;
}

.flare-ribbon__commands {
    display: flex;
    padding: 4px 8px;
    gap: 4px;
    min-height: 48px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.flare-ribbon__group {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 8px;
    border-right: 1px solid var(--flare-color-outline-variant, #e0e0e0);
}

.flare-ribbon__group:last-child {
    border-right: none;
}

.flare-ribbon__group-content {
    display: flex;
    gap: 2px;
    align-items: flex-start;
}

.flare-ribbon__group-label {
    font-size: 0.6875rem;
    opacity: 0.7;
    margin-top: 2px;
    text-align: center;
}

.flare-ribbon__button {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 40px;
}

.flare-ribbon__button--large {
    min-width: 56px;
}

.flare-ribbon__button-label {
    font-size: 0.6875rem;
    margin-top: 2px;
}

.flare-ribbon--collapsed .flare-ribbon__commands {
    display: none;
}

/* === Document Tabs === */
.flare-doc-tabs {
    display: flex;
    flex-direction: column;
}

.flare-doc-tabs__bar {
    display: flex;
    overflow-x: auto;
    gap: 1px;
    background: var(--flare-color-surface-variant, #f5f5f5);
    scrollbar-width: thin;
}

.flare-doc-tabs__bar::-webkit-scrollbar {
    height: 3px;
}

.flare-doc-tabs__tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 0.8125rem;
    border: none;
    background: none;
    color: inherit;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: background 150ms, border-color 150ms;
}

.flare-doc-tabs__tab:hover {
    background: rgba(0, 0, 0, 0.04);
}

.flare-doc-tabs__tab--active {
    background: var(--flare-color-surface, #fff);
    border-bottom-color: var(--flare-color-primary, #1976d2);
}

.flare-doc-tabs__icon {
    font-size: 1rem;
}

.flare-doc-tabs__modified {
    color: var(--flare-color-primary, #1976d2);
    font-weight: bold;
}

.flare-doc-tabs__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border: none;
    background: none;
    border-radius: 3px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 150ms, background 150ms;
}

.flare-doc-tabs__tab:hover .flare-doc-tabs__close {
    opacity: 1;
}

.flare-doc-tabs__close:hover {
    background: rgba(0, 0, 0, 0.1);
}

.flare-doc-tabs__panels {
    flex: 1;
    min-height: 0;
}

.flare-doc-tabs__panel {
    height: 100%;
}

.flare-doc-tabs__dropdown {
    position: absolute;
    z-index: 1000;
    background: var(--flare-color-surface, #fff);
    border: 1px solid var(--flare-color-outline-variant, #e0e0e0);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 4px 0;
    max-height: 200px;
    overflow-y: auto;
}

.flare-doc-tabs__dropdown-item {
    display: block;
    width: 100%;
    padding: 6px 12px;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    font-size: 0.8125rem;
}

.flare-doc-tabs__dropdown-item:hover {
    background: rgba(0, 0, 0, 0.04);
}

/* === Tool Panel === */
.flare-toolpanel {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.flare-toolpanel__header {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    min-height: 28px;
}

.flare-toolpanel__title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    flex: 1;
}

.flare-toolpanel__toolbar {
    display: flex;
    gap: 2px;
}

.flare-toolpanel__content {
    flex: 1;
    overflow: auto;
    padding: 4px;
}

.flare-toolpanel--collapsed .flare-toolpanel__content {
    display: none;
}

.flare-toolpanel--collapsed .flare-toolpanel__title {
    display: none;
}

.flare-toolpanel--collapsed .flare-toolpanel__toolbar {
    display: none;
}

/* === Splitter === */
.flare-splitter {
    display: flex;
    width: 100%;
    height: 100%;
}

.flare-splitter--vertical {
    flex-direction: column;
}

.flare-splitter__panel {
    overflow: auto;
}

.flare-splitter__panel--first {
    flex-shrink: 0;
}

.flare-splitter__panel--second {
    flex: 1;
    min-width: 0;
    min-height: 0;
}

.flare-splitter--vertical .flare-splitter__panel--first {
    height: var(--flare-splitter-size, 50%);
    width: 100%;
}

.flare-splitter__divider {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--flare-color-outline-variant, #e0e0e0);
    cursor: col-resize;
    transition: background 150ms;
    z-index: 1;
}

.flare-splitter--vertical .flare-splitter__divider {
    cursor: row-resize;
    height: 6px;
    width: 100%;
}

.flare-splitter__divider:hover {
    background: var(--flare-color-primary, #1976d2);
}

.flare-splitter__divider:focus-visible {
    outline: 2px solid var(--flare-color-primary, #1976d2);
    outline-offset: -2px;
}

.flare-splitter__handle {
    width: 2px;
    height: 24px;
    border-radius: 1px;
    background: currentColor;
    opacity: 0.4;
}

.flare-splitter--vertical .flare-splitter__handle {
    width: 24px;
    height: 2px;
}

/* === Status Bar === */
.flare-statusbar {
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-size: 0.75rem;
    min-height: 24px;
}

.flare-statusbar__left,
.flare-statusbar__center,
.flare-statusbar__right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.flare-statusbar__left {
    flex: 1;
}

.flare-statusbar__center {
    flex-shrink: 0;
}

.flare-statusbar__right {
    flex: 1;
    justify-content: flex-end;
}

/* === Menu Bar === */
.flare-menubar {
    display: flex;
    align-items: center;
    padding: 0 4px;
    min-height: 28px;
}