/**
 * Workspace Layout System
 * Three-column layout with collapsible panels for unified chat interface
 */

/* ============================================
   WORKSPACE CONTAINER
   ============================================ */

.workspace-container {
    display: grid;
    grid-template-rows: 48px 1fr 28px;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    background-color: var(--color-background);
}

/* ============================================
   WORKSPACE HEADER
   ============================================ */

.workspace-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    background-color: var(--color-panel);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    gap: var(--spacing-md);
}

.workspace-header .header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.workspace-header .header-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 0;
}

.workspace-header .header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.workspace-header .brand {
    font-weight: 600;
    font-size: var(--font-size-normal);
    color: var(--color-text);
    white-space: nowrap;
}

.workspace-header .brand-link {
    display: flex;
    align-items: center;
}

.workspace-header .brand-logo {
    width: 28px;
    height: 28px;
    border-radius: var(--spacing-xs);
    transition: filter 0.3s ease;
}

.light-mode .workspace-header .brand-logo {
    filter: invert(100%) grayscale(100%);
}

/* Project selector */
.project-selector {
    padding: 0.4rem 0.8rem;
    background-color: var(--color-input);
    border: 1px solid var(--color-border);
    border-radius: var(--spacing-xs);
    color: var(--color-text);
    font-size: var(--font-size-small);
    min-width: 150px;
    max-width: 250px;
    cursor: pointer;
}

.project-selector:hover {
    background-color: var(--color-input-focus);
}

/* Mode switcher */
.mode-switcher {
    display: flex;
    background-color: var(--color-input);
    border-radius: var(--spacing-xs);
    padding: 2px;
    gap: 2px;
}

.mode-switcher button {
    padding: 0.4rem 0.8rem;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--color-text);
    font-size: var(--font-size-small);
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.7;
}

.mode-switcher button:hover {
    opacity: 1;
    background-color: var(--color-background-hover);
}

.mode-switcher button.active {
    background-color: var(--color-highlight);
    color: #fff;
    opacity: 1;
}

/* Header buttons */
.workspace-header button.icon-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--spacing-xs);
    color: var(--color-text);
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.2s ease;
}

.workspace-header button.icon-btn:hover {
    background-color: var(--color-background-hover);
    opacity: 1;
}

.workspace-header button.icon-btn svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   WORKSPACE CONTENT (Three Columns)
   ============================================ */

.workspace-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    overflow: hidden;
    position: relative;
}

/* ============================================
   LEFT PANEL (File Tree)
   ============================================ */

.left-panel {
    width: 250px;
    background-color: var(--color-panel);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width 0.3s ease, margin-left 0.3s ease;
}

.left-panel.collapsed {
    width: 0;
    border-right: none;
    overflow: hidden;
}

.left-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.left-panel-header h3 {
    margin: 0;
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--color-text);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.left-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

/* Toggle button for left panel */
.left-panel-toggle {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 48px;
    background-color: var(--color-panel);
    border: 1px solid var(--color-border);
    border-left: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.workspace-content:hover .left-panel-toggle,
.left-panel.collapsed + .center-panel .left-panel-toggle {
    opacity: 1;
}

.left-panel-toggle svg {
    width: 12px;
    height: 12px;
    color: var(--color-text);
    opacity: 0.6;
}

/* ============================================
   CENTER PANEL (Chat)
   ============================================ */

.center-panel {
    display: flex;
    flex-direction: column;
    min-width: 320px;
    flex: 1;
    overflow: hidden;
    position: relative;
    background-color: var(--color-background);
}

.center-panel .chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.center-panel #chat-history {
    flex: 1;
    overflow-y: auto;
}

.center-panel .chat-input-area {
    flex-shrink: 0;
}

/* ============================================
   RIGHT PANEL (Preview / Code / Tasks)
   ============================================ */

.right-panel {
    width: 400px;
    background-color: var(--color-panel);
    border-left: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width 0.3s ease, margin-right 0.3s ease;
}

.right-panel.collapsed {
    width: 0;
    border-left: none;
    overflow: hidden;
}

.right-panel.wide {
    width: 50vw;
    max-width: 800px;
}

.right-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
    gap: var(--spacing-sm);
}

.right-panel-tabs {
    display: flex;
    gap: 2px;
    background-color: var(--color-input);
    border-radius: 4px;
    padding: 2px;
}

.right-panel-tab {
    padding: 0.3rem 0.6rem;
    background: transparent;
    border: none;
    border-radius: 3px;
    color: var(--color-text);
    font-size: var(--font-size-small);
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.2s ease;
}

.right-panel-tab:hover {
    opacity: 1;
}

.right-panel-tab.active {
    background-color: var(--color-background);
    opacity: 1;
}

.right-panel-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Toggle button for right panel */
.right-panel-toggle {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 48px;
    background-color: var(--color-panel);
    border: 1px solid var(--color-border);
    border-right: none;
    border-radius: 4px 0 0 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.workspace-content:hover .right-panel-toggle {
    opacity: 1;
}

.right-panel-toggle svg {
    width: 12px;
    height: 12px;
    color: var(--color-text);
    opacity: 0.6;
}

/* ============================================
   STATUS BAR
   ============================================ */

.workspace-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    background-color: var(--color-panel);
    border-top: 1px solid var(--color-border);
    font-size: 11px;
    color: var(--color-text);
    opacity: 0.8;
    gap: var(--spacing-md);
}

.status-left,
.status-center,
.status-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.status-left {
    flex-shrink: 0;
}

.status-center {
    flex: 1;
    justify-content: center;
}

.status-right {
    flex-shrink: 0;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px;
    border-radius: 3px;
    cursor: default;
}

.status-item.clickable {
    cursor: pointer;
}

.status-item.clickable:hover {
    background-color: var(--color-background-hover);
}

.status-item svg {
    width: 12px;
    height: 12px;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-dot.success {
    background-color: #00c340;
}

.status-dot.warning {
    background-color: #f59e0b;
}

.status-dot.error {
    background-color: #e40138;
}

.status-dot.pending {
    background-color: #6b7280;
}

/* ============================================
   FILE TREE STYLES
   ============================================ */

.file-tree {
    font-size: var(--font-size-small);
}

.file-tree-item {
    display: flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    gap: 6px;
    user-select: none;
}

.file-tree-item:hover {
    background-color: var(--color-background-hover);
}

.file-tree-item.active {
    background-color: var(--color-highlight);
    color: #fff;
}

.file-tree-item svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    opacity: 0.7;
}

.file-tree-item .name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-tree-children {
    margin-left: 16px;
}

.file-tree-folder > .file-tree-item svg.folder-icon {
    color: #f59e0b;
}

.file-tree-file > .file-tree-item svg.file-icon {
    opacity: 0.5;
}

/* ============================================
   PREVIEW PANEL STYLES
   ============================================ */

.preview-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.preview-toolbar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-input);
    border-bottom: 1px solid var(--color-border);
}

.preview-url-bar {
    flex: 1;
    padding: 4px 8px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: var(--font-size-small);
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-device-buttons {
    display: flex;
    gap: 2px;
}

.preview-device-buttons button {
    padding: 4px 8px;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--color-text);
    cursor: pointer;
    opacity: 0.6;
}

.preview-device-buttons button:hover {
    opacity: 1;
    background-color: var(--color-background-hover);
}

.preview-device-buttons button.active {
    opacity: 1;
    background-color: var(--color-background);
}

.preview-frame-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background);
    padding: var(--spacing-sm);
    overflow: hidden;
}

.preview-frame {
    background-color: #fff;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.preview-frame.desktop {
    width: 100%;
    height: 100%;
}

.preview-frame.tablet {
    width: 768px;
    height: 1024px;
    max-width: 100%;
    max-height: 100%;
}

.preview-frame.mobile {
    width: 375px;
    height: 667px;
    max-width: 100%;
    max-height: 100%;
}

.preview-frame iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 3px;
}

/* ============================================
   CODE EDITOR PANEL STYLES
   ============================================ */

.code-editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.code-editor-tabs {
    display: flex;
    background-color: var(--color-input);
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
    flex-shrink: 0;
}

.code-editor-tabs::-webkit-scrollbar {
    height: 4px;
}

.code-editor-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: transparent;
    border: none;
    border-right: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: var(--font-size-small);
    cursor: pointer;
    white-space: nowrap;
    opacity: 0.7;
}

.code-editor-tab:hover {
    opacity: 1;
    background-color: var(--color-background-hover);
}

.code-editor-tab.active {
    opacity: 1;
    background-color: var(--color-background);
}

.code-editor-tab .modified-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-highlight);
}

.code-editor-tab .close-btn {
    width: 14px;
    height: 14px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 2px;
    color: var(--color-text);
    cursor: pointer;
    opacity: 0.5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.code-editor-tab .close-btn:hover {
    opacity: 1;
    background-color: var(--color-accent);
    color: #fff;
}

.code-editor-content {
    flex: 1;
    overflow: hidden;
}

.code-editor-content #ace-editor {
    width: 100%;
    height: 100%;
}

/* ============================================
   TASK BOARD PANEL STYLES
   ============================================ */

.task-board-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.task-board-columns {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    overflow-x: auto;
    flex: 1;
}

.task-column {
    flex: 1;
    min-width: 200px;
    background-color: var(--color-input);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.task-column-header {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.task-column-title {
    font-size: var(--font-size-small);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.task-column-count {
    background-color: var(--color-background);
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
}

.task-column-content {
    flex: 1;
    padding: var(--spacing-xs);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.task-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.task-card:hover {
    border-color: var(--color-highlight);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.task-card-title {
    font-size: var(--font-size-small);
    font-weight: 500;
    margin-bottom: 4px;
}

.task-card-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    opacity: 0.7;
}

.task-priority {
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 10px;
    text-transform: uppercase;
}

.task-priority.high {
    background-color: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.task-priority.medium {
    background-color: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.task-priority.low {
    background-color: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

/* ============================================
   TERMINAL PANEL STYLES
   ============================================ */

.terminal-container {
    background-color: #1a1a1a;
    color: #d4d4d4;
    font-family: var(--font-family-code);
    font-size: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: #252525;
    border-bottom: 1px solid #333;
}

.terminal-tabs {
    display: flex;
    gap: var(--spacing-sm);
}

.terminal-tab {
    padding: 2px 8px;
    background: transparent;
    border: none;
    color: #888;
    font-size: 11px;
    cursor: pointer;
}

.terminal-tab.active {
    color: #fff;
}

.terminal-content {
    flex: 1;
    padding: var(--spacing-sm);
    overflow-y: auto;
    line-height: 1.5;
}

.terminal-line {
    white-space: pre-wrap;
    word-break: break-all;
}

.terminal-line.event {
    color: #888;
}

.terminal-line.success {
    color: #22c55e;
}

.terminal-line.error {
    color: #ef4444;
}

.terminal-line.info {
    color: #3b82f6;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

@media (max-width: 1024px) {
    .workspace-content {
        grid-template-columns: 1fr;
    }

    .left-panel,
    .right-panel {
        position: fixed;
        top: 48px;
        bottom: 28px;
        z-index: 200;
        box-shadow: 4px 0 12px rgba(0, 0, 0, 0.2);
    }

    .left-panel {
        left: 0;
        transform: translateX(-100%);
    }

    .left-panel:not(.collapsed) {
        transform: translateX(0);
    }

    .right-panel {
        right: 0;
        transform: translateX(100%);
        width: 90vw;
        max-width: 400px;
    }

    .right-panel:not(.collapsed) {
        transform: translateX(0);
    }

    /* Overlay when panels are open on mobile */
    .panel-overlay {
        position: fixed;
        top: 48px;
        left: 0;
        right: 0;
        bottom: 28px;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 150;
        display: none;
    }

    .panel-overlay.visible {
        display: block;
    }
}

@media (max-width: 768px) {
    .workspace-header {
        padding: 0 var(--spacing-sm);
    }

    .workspace-header .brand {
        display: none;
    }

    .mode-switcher {
        display: none;
    }

    /* Mobile mode bar at bottom */
    .mobile-mode-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 56px;
        background-color: var(--color-panel);
        border-top: 1px solid var(--color-border);
        z-index: 300;
    }

    .mobile-mode-bar button {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        background: transparent;
        border: none;
        color: var(--color-text);
        opacity: 0.6;
        font-size: 10px;
    }

    .mobile-mode-bar button.active {
        opacity: 1;
        color: var(--color-highlight);
    }

    .mobile-mode-bar button svg {
        width: 20px;
        height: 20px;
    }

    .workspace-status {
        display: none;
    }

    .workspace-container {
        grid-template-rows: 48px 1fr;
        padding-bottom: 56px;
    }
}

@media (max-width: 480px) {
    .left-panel {
        width: 100%;
    }

    .right-panel {
        width: 100%;
        max-width: none;
    }

    .project-selector {
        min-width: 100px;
    }
}

/* ============================================
   DARK/LIGHT MODE ADJUSTMENTS
   ============================================ */

.light-mode .preview-frame {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.light-mode .terminal-container {
    background-color: #f5f5f5;
    color: #333;
}

.light-mode .terminal-header {
    background-color: #e5e5e5;
    border-bottom-color: #d5d5d5;
}

.light-mode .terminal-tab {
    color: #666;
}

.light-mode .terminal-tab.active {
    color: #000;
}

.light-mode .task-card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hide-mobile-mode-bar .mobile-mode-bar {
    display: none;
}

.show-mobile-mode-bar .mobile-mode-bar {
    display: flex;
}

@media (min-width: 769px) {
    .mobile-mode-bar {
        display: none !important;
    }
}

/* ============================================
   CODE BLOCK ENHANCEMENTS
   ============================================ */

.workspace-code-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    background-color: #1e1e1e;
    border-radius: 4px 4px 0 0;
    margin-bottom: -4px;
    font-size: 11px;
}

.code-language {
    color: #888;
    text-transform: uppercase;
    font-weight: 500;
}

.code-action-buttons {
    display: flex;
    gap: 4px;
}

.code-action-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 4px;
    color: #ccc;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.code-action-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.code-action-btn svg {
    flex-shrink: 0;
}

/* Preview URL action */
.preview-url-action {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 6px;
    padding: 2px 6px;
    background-color: var(--color-highlight);
    color: #fff;
    border: none;
    border-radius: 3px;
    font-size: 10px;
    cursor: pointer;
    transition: opacity 0.2s ease;
    vertical-align: middle;
}

.preview-url-action:hover {
    opacity: 0.9;
}

.preview-url-action svg {
    flex-shrink: 0;
}

/* Light mode adjustments */
.light-mode .workspace-code-actions {
    background-color: #e5e5e5;
}

.light-mode .code-language {
    color: #666;
}

.light-mode .code-action-btn {
    background-color: rgba(0, 0, 0, 0.1);
    color: #333;
}

.light-mode .code-action-btn:hover {
    background-color: rgba(0, 0, 0, 0.2);
    color: #000;
}