/* Enhanced HeroPrompt UI - Clean VSCode-like Design */

/* Icon definitions using CSS pseudo-elements */
.icon-collapse::before {
    content: "⌄";
}

.icon-refresh::before {
    content: "↻";
}

.icon-settings::before {
    content: "⚙";
}

.icon-manage::before {
    content: "☰";
}

.icon-search::before {
    content: "🔍";
}

.icon-close::before {
    content: "✕";
}

.icon-folder-open::before {
    content: "📂";
}

.icon-folder-closed::before {
    content: "📁";
}

.icon-file::before {
    content: "📄";
}

.icon-selection::before {
    content: "☑";
}

.icon-prompt::before {
    content: "✎";
}

.icon-chat::before {
    content: "💬";
}

.icon-token::before {
    content: "🔢";
}

.icon-export::before {
    content: "↗";
}

.icon-import::before {
    content: "↙";
}

.icon-copy::before {
    content: "📋";
}

.icon-template::before {
    content: "📝";
}

.icon-save::before {
    content: "💾";
}

.icon-generate::before {
    content: "⚡";
}

.icon-clear::before {
    content: "🗑";
}

.icon-ai::before {
    content: "🤖";
}

.icon-send::before {
    content: "➤";
}

.icon-empty::before {
    content: "∅";
}

/* Base layout improvements */
.main {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Explorer Panel */
.explorer-panel {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.explorer-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-primary);
    background-color: var(--bg-tertiary);
}

.explorer-title {
    font-size: 11px;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin: 0;
}

.explorer-actions {
    display: flex;
    gap: 4px;
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 12px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-ghost:hover {
    background-color: var(--menu-item-hover-bg);
    color: var(--text-primary);
}

.workspace-selector {
    margin-bottom: 12px;
}

.modern-select {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    border-radius: 4px;
    font-size: 13px;
    padding: 6px 8px;
}

.modern-select:focus {
    border-color: var(--link-color);
    box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
    outline: none;
}

.search-container {
    position: relative;
}

.search-icon {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-right: none;
    color: var(--text-secondary);
    font-size: 12px;
    padding: 6px 8px;
}

.modern-input {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-left: none;
    border-right: none;
    color: var(--text-primary);
    font-size: 13px;
    padding: 6px 8px;
}

.modern-input:focus {
    border-color: var(--link-color);
    box-shadow: none;
    outline: none;
}

.search-clear {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-left: none;
    border-radius: 0 4px 4px 0;
    padding: 6px 8px;
}

.explorer-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 4px 6px;
}

.selection-controls {
    padding: 4px 0;
    border-bottom: 1px solid var(--border-primary);
}

.selection-info .badge-selection {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    border: 1px solid var(--border-primary);
}

.selection-actions {
    display: flex;
    gap: 8px;
}

.btn-xs {
    font-size: 11px;
    padding: 2px 6px;
}

/* Simple File Tree */
.file-tree {
    flex: 1;
    overflow-y: auto;
    padding: 2px 0;
    font-size: 12px;
    line-height: 1.2;
}

.file-tree::-webkit-scrollbar {
    width: 6px;
}

.file-tree::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.file-tree::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 3px;
}

.file-tree::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-muted);
    text-align: center;
}

.empty-state i {
    font-size: 24px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.empty-state p {
    margin: 0;
    font-size: 13px;
}

/* Tree Items - Clean and Simple */
.tree-item {
    display: block;
    margin: 0;
    user-select: none;
}

.tree-item-content {
    display: flex;
    align-items: center;
    padding: 2px 4px;
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.15s ease;
    min-height: 20px;
}

.tree-item-content:hover {
    background-color: var(--menu-item-hover-bg);
}

.tree-checkbox {
    margin: 0 6px 0 0;
    cursor: pointer;
    width: 12px;
    height: 12px;
}

.tree-expand-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 10px;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-right: 2px;
    border-radius: 2px;
    transition: all 0.15s ease;
}

.tree-expand-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.tree-expand-spacer {
    width: 16px;
    height: 16px;
    margin-right: 2px;
}

.tree-icon {
    font-size: 12px;
    margin-right: 6px;
    width: 16px;
    text-align: center;
}

.tree-label {
    flex: 1;
    font-size: 12px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}

/* Workspace Panel */
.workspace-panel {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.workspace-header {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
    padding: 0;
}

.tab-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
}

.modern-tabs {
    display: flex;
    gap: 2px;
    border: none;
}

.modern-tabs .nav-link {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 6px 6px 0 0;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.modern-tabs .nav-link:hover {
    background-color: var(--menu-item-hover-bg);
    color: var(--text-primary);
}

.modern-tabs .nav-link.active {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-bottom: 2px solid var(--link-color);
}

.badge-count {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 10px;
    padding: 1px 4px;
    border-radius: 8px;
    min-width: 16px;
    text-align: center;
}

.workspace-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.token-counter {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.workspace-content {
    flex: 1;
    overflow: hidden;
}

.tab-pane {
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-primary);
}

/* Selection Workspace */
.selection-workspace {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 16px;
}

.selection-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-primary);
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.selection-content {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    overflow: hidden;
}

.selection-list-panel,
.preview-panel {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    overflow: hidden;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.panel-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.selection-list,
.preview-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.selected-items {
    list-style: none;
    margin: 0;
    padding: 0;
}

.selected-items li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    margin: 2px 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    font-size: 12px;
}

.selected-items li:hover {
    background-color: var(--bg-tertiary);
}

.empty-selection,
.empty-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 150px;
    color: var(--text-muted);
    text-align: center;
}

.empty-selection i,
.empty-preview i {
    font-size: 20px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.empty-selection p,
.empty-preview p {
    margin: 4px 0;
    font-size: 13px;
}

.empty-selection small {
    font-size: 11px;
    opacity: 0.7;
}

.file-preview {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 11px;
    line-height: 1.4;
    white-space: pre-wrap;
    padding: 12px;
    overflow-y: auto;
    height: 100%;
}

/* Prompt Workspace */
.prompt-workspace {
    height: 100%;
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 16px;
    padding: 16px;
}

.prompt-editor,
.prompt-output {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    overflow: hidden;
}

.editor-header,
.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.editor-content,
.output-content {
    flex: 1;
    padding: 12px;
    overflow: hidden;
}

.modern-textarea {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    font-size: 13px;
    line-height: 1.5;
    padding: 12px;
    border-radius: 4px;
    resize: vertical;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.modern-textarea:focus {
    border-color: var(--link-color);
    box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
    outline: none;
}

.editor-footer {
    padding: 12px;
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-primary);
    display: flex;
    gap: 8px;
}

.prompt-result {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 11px;
    line-height: 1.4;
    white-space: pre-wrap;
    padding: 12px;
    overflow-y: auto;
    height: 100%;
    border: 1px solid var(--border-primary);
    border-radius: 4px;
}

.empty-output {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100px;
    color: var(--text-muted);
    text-align: center;
}

.empty-output i {
    font-size: 20px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.empty-output p {
    margin: 0;
    font-size: 13px;
}

/* Chat Workspace */
.chat-workspace {
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 16px;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-primary);
}

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

.chat-messages {
    flex: 1;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 6px 6px 0 0;
    overflow: hidden;
}

.messages-container {
    height: 100%;
    overflow-y: auto;
    padding: 16px;
}

.welcome-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 150px;
    color: var(--text-muted);
    text-align: center;
}

.welcome-message i {
    font-size: 24px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.welcome-message p {
    margin: 4px 0;
    font-size: 14px;
}

.welcome-message small {
    font-size: 12px;
    opacity: 0.7;
}

.chat-input {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-top: none;
    border-radius: 0 0 6px 6px;
    padding: 12px;
}

.input-container {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.chat-textarea {
    flex: 1;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    font-size: 13px;
    line-height: 1.4;
    padding: 8px 12px;
    border-radius: 4px;
    resize: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.chat-textarea:focus {
    border-color: var(--link-color);
    box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
    outline: none;
}

.send-btn {
    padding: 8px 12px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Button styles */
.btn {
    border: none;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    padding: 6px 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

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

.btn-primary:hover {
    background-color: var(--link-hover-color);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
    background-color: var(--menu-item-hover-bg);
}

.btn-sm {
    font-size: 12px;
    padding: 4px 8px;
}

/* Loading and status states */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid var(--border-primary);
    border-top-color: var(--link-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.success-message {
    color: var(--success-color);
    background-color: rgba(25, 135, 84, 0.1);
    border: 1px solid var(--success-color);
    border-radius: 4px;
    padding: 8px 12px;
    font-size: 12px;
}

.error-message {
    color: var(--danger-color);
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--danger-color);
    border-radius: 4px;
    padding: 8px 12px;
    font-size: 12px;
}

/* Responsive design */
@media (max-width: 768px) {
    .selection-content {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr;
    }

    .prompt-workspace {
        grid-template-rows: 1fr 1fr;
    }

    .tab-navigation {
        flex-direction: column;
        gap: 8px;
        align-items: stretch;
    }

    .workspace-actions {
        justify-content: center;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {

    .tree-item-content:hover,
    .btn-ghost:hover {
        background-color: var(--text-primary);
        color: var(--bg-primary);
    }

    .btn-primary,
    .btn-secondary {
        border-width: 2px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    .tree-expand-btn,
    .btn,
    .modern-tabs .nav-link,
    .tree-item-content {
        transition: none;
    }

    .loading::after {
        animation: none;
    }
}