* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', monospace;
    background: #1e1e1e;
    color: #d4d4d4;
    height: 100vh;
    overflow: hidden;
}

html, body {
    width: 100%;
    max-width: 100%;
}

/* Header */
.header {
    background: #2d2d30;
    border-bottom: 1px solid #3e3e42;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    color: #569cd6;
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 12px;
    color: #858585;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #4caf50;
    border-radius: 50%;
}

.provider-indicator {
    display: flex;
    align-items: center;
    font-size: 11px;
    color: #d4d4d4;
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: help;
}

.provider-indicator span {
    font-weight: 500;
}

/* Main Layout */
.main-container {
    display: flex;
    height: calc(100vh - 48px);
    min-width: 0;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: #252526;
    border-right: 1px solid #3e3e42;
    overflow-y: auto;
    position: relative;
    min-width: 200px;
    max-width: 500px;
}

.sidebar-section {
    border-bottom: 1px solid #3e3e42;
}

.sidebar-header {
    padding: 12px 16px;
    background: #2d2d30;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #cccccc;
    border-bottom: 1px solid #3e3e42;
}

.operation-item {
    padding: 10px 16px;
    cursor: pointer;
    transition: background 0.2s ease;
    border-bottom: 1px solid #2d2d30;
    display: flex;
    align-items: center;
    gap: 8px;
}

.operation-item:hover {
    background: #2a2d2e;
}

.operation-item.active {
    background: #37373d;
    border-left: 3px solid #007acc;
}

.operation-icon {
    font-size: 14px;
    width: 16px;
}

.operation-title {
    font-size: 13px;
    font-weight: 500;
}

.operation-desc {
    font-size: 11px;
    color: #858585;
    margin-top: 2px;
}

/* Control Panel */
.control-panel {
    padding: 16px;
    background: #252526;
}

.control-group {
    margin-bottom: 16px;
}

.control-label {
    font-size: 11px;
    color: #cccccc;
    margin-bottom: 6px;
    display: block;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.control-input {
    width: 100%;
    background: #3c3c3c;
    border: 1px solid #5a5a5a;
    color: #d4d4d4;
    padding: 6px 8px;
    border-radius: 2px;
    font-size: 12px;
    font-family: inherit;
}

.control-input:focus {
    outline: none;
    border-color: #007acc;
    box-shadow: 0 0 0 1px #007acc;
}

.range-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.range-input {
    flex: 1;
    background: #3c3c3c;
}

.range-value {
    font-size: 11px;
    color: #569cd6;
    min-width: 30px;
    text-align: right;
}

/* Radio and Checkbox Groups */
.radio-group, .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.radio-item, .checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 0;
    font-size: 12px;
    color: #d4d4d4;
    transition: color 0.2s ease;
}

.radio-item:hover, .checkbox-item:hover {
    color: #ffffff;
}

.radio-item input[type="radio"], .checkbox-item input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: #007acc;
    cursor: pointer;
}

.radio-item span, .checkbox-item span {
    flex: 1;
    font-size: 12px;
}

/* Multi-model comparison styles */
.model-comparison-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.model-result-card {
    background: #2d2d30;
    border: 1px solid #3e3e42;
    border-radius: 4px;
    padding: 12px;
    margin-bottom: 8px;
}

.model-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid #3e3e42;
}

.model-name {
    font-weight: 600;
    color: #569cd6;
    font-size: 13px;
}

.model-metrics {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: #858585;
}

.model-metric {
    display: flex;
    align-items: center;
    gap: 4px;
}

.model-result-content {
    white-space: pre-wrap;
    font-size: 12px;
    line-height: 1.4;
    color: #d4d4d4;
}

.model-result-error {
    color: #f48771;
    font-style: italic;
}

.comparison-summary {
    background: #252526;
    border: 1px solid #3e3e42;
    border-radius: 4px;
    padding: 12px;
    margin-bottom: 16px;
}

.comparison-summary h4 {
    margin-bottom: 8px;
    color: #cccccc;
    font-size: 13px;
}

.comparison-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 8px;
}

.comparison-metric {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    padding: 4px 0;
}

.comparison-metric-label {
    color: #858585;
}

.comparison-metric-value {
    color: #569cd6;
    font-weight: 500;
}

/* Action Buttons */
.action-btn {
    width: 100%;
    background: #0e639c;
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: 2px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.action-btn:hover {
    background: #1177bb;
}

.action-btn:disabled {
    background: #5a5a5a;
    cursor: not-allowed;
}

.action-btn.secondary {
    background: #0aa468;
}

.action-btn.secondary:hover {
    background: #0bb56b;
}

.action-btn.danger {
    background: #d73a49;
}

.action-btn.danger:hover {
    background: #e04856;
}

/* Resize Handles */
.resize-handle {
    position: absolute;
    background: transparent;
    transition: background 0.2s ease;
    z-index: 1000;
    pointer-events: auto; /* Ensure it can receive mouse events */
}

.resize-handle:hover {
    background: #007acc;
}

.resize-handle-vertical {
    width: 4px;
    height: 100%;
    top: 0;
    right: -2px;
    cursor: ew-resize;
}

.resize-handle-horizontal {
    width: 100%;
    height: 8px;
    left: 0;
    top: -4px;
    cursor: ns-resize;
    background: rgba(0, 122, 204, 0.2); /* More visible for easier access */
    border-top: 1px solid rgba(0, 122, 204, 0.4);
}

.resize-handle-horizontal:hover {
    background: rgba(0, 122, 204, 0.5);
    border-top: 1px solid #007acc;
}

/* Main Editor Area */
.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #1e1e1e;
    position: relative;
    min-width: 0;
}

/* Editor Header */
.editor-header {
    background: #2d2d30;
    border-bottom: 1px solid #3e3e42;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 36px;
}

.editor-title {
    font-size: 13px;
    color: #cccccc;
    display: flex;
    align-items: center;
    gap: 6px;
}

.token-info {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    margin-right: 12px;
}

.token-counter {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'SF Mono', Monaco, 'Source Code Pro', monospace;
    background: #2d2d30;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid #3e3e42;
}

.token-main {
    font-size: 12px;
    font-weight: 600;
    color: #569cd6;
    white-space: nowrap;
}

.token-details {
    font-size: 10px;
    color: #6a6a6a;
    white-space: nowrap;
}

.token-context {
    font-size: 10px;
    color: #4a9eff;
    font-weight: 500;
    white-space: nowrap;
}

.token-warnings {
    position: absolute;
    top: 100%;
    right: 0;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-width: 200px;
    margin-top: 4px;
    pointer-events: none; /* Don't block interactions with elements underneath */
}

.token-warnings:empty {
    display: none; /* Hide when no warnings */
}

.token-warning {
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 500;
    text-align: center;
    border: 1px solid;
}

.token-warning.warning {
    background: rgba(255, 193, 7, 0.1);
    color: #ffc107;
    border-color: #ffc107;
}

.token-warning.danger {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border-color: #dc3545;
}

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

.editor-btn {
    background: none;
    border: 1px solid #5a5a5a;
    color: #d4d4d4;
    padding: 4px 8px;
    border-radius: 2px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.editor-btn:hover {
    background: #3c3c3c;
    border-color: #007acc;
}

/* Prompt Editor */
.prompt-editor {
    flex: 1;
    position: relative;
    display: flex;
    min-height: 150px; /* Ensure minimum height */
    overflow: hidden; /* Prevent content from spilling out */
}

.line-numbers {
    background: #1e1e1e;
    border-right: 1px solid #3e3e42;
    padding: 16px 8px;
    color: #858585;
    font-size: 12px;
    line-height: 20px;
    user-select: none;
    min-width: 50px;
    text-align: right;
}

#main-prompt {
    flex: 1;
    background: #1e1e1e;
    border: none;
    color: #d4d4d4;
    padding: 16px;
    font-family: inherit;
    font-size: 14px;
    line-height: 20px;
    resize: none;
    outline: none;
    overflow-y: auto;
    max-height: none; /* Ensure it doesn't expand beyond container */
}

/* Results Panel */
.results-panel {
    height: 300px;
    border-top: 1px solid #3e3e42;
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 100px;
    max-height: 70vh; /* Don't let it take more than 70% of viewport */
    flex-shrink: 0; /* Prevent shrinking beyond set height */
}

.results-header {
    background: #2d2d30;
    border-bottom: 1px solid #3e3e42;
    display: flex;
    height: 36px;
}

.result-tab {
    padding: 8px 16px;
    background: none;
    border: none;
    color: #858585;
    font-size: 12px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.result-tab.active {
    color: #d4d4d4;
    border-bottom-color: #007acc;
    background: #1e1e1e;
}

.result-tab:hover:not(.active) {
    color: #cccccc;
    background: #3c3c3c;
}

.results-content {
    flex: 1;
    background: #1e1e1e;
    padding: 16px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.6;
}

.results-content h3 {
    color: #569cd6;
    margin: 16px 0 8px 0;
    font-size: 14px;
}

.results-content ul {
    margin: 8px 0 8px 16px;
}

.results-content li {
    margin: 4px 0;
}

.results-content p {
    margin: 8px 0;
    color: #d4d4d4;
}

.results-content strong {
    color: #dcdcaa;
}

.results-content em {
    color: #ce9178;
    font-style: italic;
}

/* Status states */
.results-content.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #858585;
    font-style: italic;
}

.results-content.error {
    color: #f44747;
}

.results-content.success {
    border-left: 3px solid #4caf50;
    padding-left: 20px;
}

/* History styles */
.history-item {
    background: #252526;
    border: 1px solid #3e3e42;
    border-radius: 4px;
    margin: 8px 0;
    padding: 12px;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.history-status {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 2px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.history-status.success {
    background: #4caf50;
    color: white;
}

.history-status.error {
    background: #f44747;
    color: white;
}

.history-details {
    font-size: 11px;
    color: #858585;
    margin: 4px 0;
}

.history-response {
    background: #1e1e1e;
    border: 1px solid #3e3e42;
    padding: 8px;
    margin-top: 8px;
    border-radius: 2px;
    font-size: 12px;
    white-space: pre-wrap;
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid #5a5a5a;
    border-top: 2px solid #007acc;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 6px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Empty states */
.empty-state {
    text-align: center;
    color: #858585;
    padding: 40px 20px;
    font-size: 13px;
}

.empty-state-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

/* Resizing states */
.resizing {
    user-select: none;
    cursor: ew-resize;
}

.resizing-vertical {
    user-select: none;
    cursor: ns-resize;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }
}

@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: 200px;
    }
    
    .results-panel {
        height: 40%;
    }
    
    .resize-handle {
        display: none;
    }
}

/* AI Prompt Generator Panel */
.prompt-generator-panel {
    width: 400px;
    background: #252526;
    border-left: 1px solid #3e3e42;
    display: flex;
    flex-direction: column;
    min-width: 350px;
    max-width: 500px;
    position: relative;
    transition: width 0.3s ease, min-width 0.3s ease;
}

.prompt-generator-header {
    background: #2d2d30;
    border-bottom: 1px solid #3e3e42;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    box-sizing: border-box;
}

.prompt-generator-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #d4d4d4;
    font-weight: 500;
    font-size: 14px;
}

.collapse-btn {
    background: none;
    border: none;
    color: #cccccc;
    font-size: 10px;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 2px;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 6px;
    width: 16px;
    height: 16px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.collapse-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.collapse-btn:active {
    background: rgba(255, 255, 255, 0.15);
}

.prompt-generator-panel.collapsed {
    width: 50px;
    min-width: 50px;
}

.prompt-generator-panel.collapsed .conversation-area,
.prompt-generator-panel.collapsed .conversation-input-area,
.prompt-generator-panel.collapsed .prompt-generator-actions {
    display: none;
}

.prompt-generator-panel.collapsed .prompt-generator-title span:not(#collapse-icon) {
    display: none;
}

.prompt-generator-panel.collapsed .prompt-generator-header {
    justify-content: center;
    padding: 12px 4px;
}

.prompt-generator-panel.collapsed .collapse-btn {
    margin-right: 0;
    width: 20px;
    height: 20px;
    font-size: 12px;
}

.prompt-generator-panel.collapsed .collapse-btn:hover {
    background: rgba(0, 122, 204, 0.2);
    color: #ffffff;
}

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

.generator-btn {
    padding: 6px 12px;
    background: #3c3c3c;
    border: 1px solid #5a5a5a;
    color: #d4d4d4;
    font-size: 11px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.generator-btn:hover {
    background: #4a4a4a;
    border-color: #6a6a6a;
}

.conversation-area {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: #1e1e1e;
}

.conversation-welcome {
    text-align: center;
    padding: 60px 20px 40px 20px;
    color: #d4d4d4;
}

.conversation-welcome h3 {
    color: #569cd6;
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 500;
}

.conversation-welcome p {
    color: #cccccc;
    margin-bottom: 24px;
    line-height: 1.6;
}

.conversation-message {
    margin-bottom: 16px;
    animation: fadeIn 0.3s ease-in;
}

.message-user {
    background: #007acc;
    color: white;
    padding: 12px 16px;
    border-radius: 16px 16px 4px 16px;
    margin-left: 20px;
    word-wrap: break-word;
    font-size: 13px;
    line-height: 1.5;
}

.message-ai {
    background: #2d2d30;
    color: #d4d4d4;
    padding: 16px;
    border-radius: 16px 16px 16px 4px;
    margin-right: 20px;
    border: 1px solid #3e3e42;
    font-size: 13px;
    line-height: 1.6;
}

.message-ai h4 {
    color: #569cd6;
    margin: 0 0 12px 0;
    font-size: 14px;
    font-weight: 600;
}

.message-ai .revised-prompt {
    background: #1e1e1e;
    border: 1px solid #3e3e42;
    border-radius: 4px;
    padding: 12px;
    margin: 12px 0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 12px;
    line-height: 1.4;
    color: #ce9178;
    position: relative;
}

.message-ai .revised-prompt::before {
    content: "Revised Prompt:";
    color: #569cd6;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 8px;
}

.message-ai .copy-prompt-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: #007acc;
    border: none;
    color: white;
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 10px;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s ease;
}

.message-ai .copy-prompt-btn:hover {
    opacity: 1;
}

.message-ai .questions {
    margin-top: 16px;
}

.message-ai .questions h5 {
    color: #dcdcaa;
    margin: 0 0 8px 0;
    font-size: 13px;
}

.message-ai .questions ul {
    margin: 0;
    padding-left: 16px;
}

.message-ai .questions li {
    margin: 6px 0;
    color: #cccccc;
}

.conversation-input-area {
    border-top: 1px solid #3e3e42;
    background: #252526;
    padding: 16px;
    min-height: 80px;
}

.input-container {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

#conversation-input {
    flex: 1;
    background: #1e1e1e;
    border: 1px solid #3e3e42;
    color: #d4d4d4;
    padding: 12px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.4;
    resize: vertical;
    min-height: 60px;
    max-height: 150px;
    font-family: inherit;
}

#conversation-input:focus {
    outline: none;
    border-color: #007acc;
}

.send-btn {
    background: #007acc;
    border: none;
    color: white;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.2s ease;
    height: fit-content;
}

.send-btn:hover:not(:disabled) {
    background: #005a9e;
}

.send-btn:disabled {
    background: #5a5a5a;
    cursor: not-allowed;
}

.send-btn .spinner {
    width: 14px;
    height: 14px;
    border-width: 2px;
    margin-right: 8px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive adjustments for prompt generator */
@media (max-width: 1200px) {
    .prompt-generator-panel {
        width: 350px;
        min-width: 300px;
    }
}

@media (max-width: 768px) {
    .prompt-generator-panel {
        display: none;
    }
}

/* Dual Analysis Interface */
.dual-analysis-container {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.analysis-tabs {
    display: flex;
    border-bottom: 1px solid #3e3e42;
    background: #2d2d30;
    border-radius: 4px 4px 0 0;
    overflow: hidden;
}

.analysis-tab {
    flex: 1;
    background: #3c3c3c;
    border: none;
    color: #d4d4d4;
    padding: 10px 16px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.analysis-tab:hover:not(.active) {
    background: #4a4a4a;
    color: #ffffff;
}

.analysis-tab.active {
    background: #007acc;
    color: #ffffff;
}

.analysis-content {
    flex: 1;
    overflow-y: auto;
    background: #1e1e1e;
}

.analysis-panel {
    padding: 16px;
    height: 100%;
    overflow-y: auto;
}

.analysis-panel h2 {
    color: #569cd6;
    font-size: 16px;
    margin-bottom: 12px;
    border-bottom: 1px solid #3e3e42;
    padding-bottom: 6px;
}

.analysis-panel h3 {
    color: #4ec9b0;
    font-size: 14px;
    margin: 16px 0 8px 0;
}

/* Quick Analysis Specific Styles */
.quick-analysis .score {
    background: #2d2d30;
    border: 1px solid #007acc;
    border-radius: 4px;
    padding: 8px 12px;
    margin: 8px 0;
    font-size: 14px;
    font-weight: 600;
    color: #569cd6;
    text-align: center;
}

.quick-analysis .strengths {
    background: #1a3d1a;
    border-left: 3px solid #4caf50;
    padding: 10px 12px;
    margin: 8px 0;
    border-radius: 0 4px 4px 0;
}

.quick-analysis .issues {
    background: #3d1a1a;
    border-left: 3px solid #f44336;
    padding: 10px 12px;
    margin: 8px 0;
    border-radius: 0 4px 4px 0;
}

.quick-analysis .fixes {
    background: #1a2d3d;
    border-left: 3px solid #2196f3;
    padding: 10px 12px;
    margin: 8px 0;
    border-radius: 0 4px 4px 0;
}

.quick-analysis ul {
    margin: 6px 0 6px 16px;
    padding: 0;
}

.quick-analysis li {
    margin: 4px 0;
    color: #d4d4d4;
    font-size: 12px;
    line-height: 1.4;
}

/* Detailed Analysis Specific Styles */
.analysis-section {
    margin: 16px 0;
    padding: 12px;
    background: #2d2d30;
    border-radius: 4px;
    border-left: 3px solid #007acc;
}

.metrics {
    background: #252526;
    border: 1px solid #3e3e42;
    border-radius: 4px;
    padding: 12px;
    margin: 8px 0;
    font-family: 'SF Mono', monospace;
}

.recommendation {
    background: #2d2d1a;
    border-left: 3px solid #ffd700;
    padding: 10px 12px;
    margin: 8px 0;
    border-radius: 0 4px 4px 0;
}

/* Variables UI Styles */
#variables-container {
    margin-bottom: 16px;
}

.variables-header {
    color: #d4d4d4;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#variables-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.variable-input {
    background: #3c3c3c;
    border: 1px solid #5a5a5a;
    border-radius: 4px;
    padding: 8px 12px;
    color: #d4d4d4;
    font-size: 12px;
    transition: border-color 0.2s ease;
}

.variable-input:focus {
    outline: none;
    border-color: #007acc;
    background: #404040;
}

.variable-input::placeholder {
    color: #8a8a8a;
    font-style: italic;
}

.variable-label {
    color: #569cd6;
    font-size: 11px;
    font-weight: 500;
    margin-bottom: 4px;
    display: block;
}

.variable-item {
    display: flex;
    flex-direction: column;
}

.no-variables {
    color: #8a8a8a;
    font-size: 11px;
    font-style: italic;
    text-align: center;
    padding: 12px;
    background: #2d2d30;
    border-radius: 4px;
    border: 1px dashed #5a5a5a;
}

.variable-highlight {
    background: rgba(0, 122, 204, 0.2);
    color: #569cd6;
    padding: 1px 2px;
    border-radius: 2px;
}

/* Conversation History Styles */
.conversation-history-panel {
    background: #1e1e1e;
    border: 1px solid #3e3e42;
    border-radius: 6px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.history-header {
    background: #2d2d30;
    padding: 12px 16px;
    border-bottom: 1px solid #3e3e42;
    border-radius: 6px 6px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.history-header h4 {
    margin: 0;
    color: #d4d4d4;
    font-size: 14px;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    color: #8a8a8a;
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

.close-btn:hover {
    background: #3e3e42;
    color: #d4d4d4;
}

.history-list {
    max-height: 300px;
    overflow-y: auto;
    padding: 8px;
}

.history-conversation-item {
    background: #2d2d30;
    border: 1px solid #3e3e42;
    border-radius: 4px;
    padding: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.history-conversation-item:hover {
    background: #3c3c3c;
    border-color: #007acc;
}

.history-conversation-item.active {
    background: rgba(0, 122, 204, 0.1);
    border-color: #007acc;
}

.conversation-title {
    color: #d4d4d4;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conversation-meta {
    color: #8a8a8a;
    font-size: 11px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.conversation-date {
    flex: 1;
}

.conversation-actions {
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.history-conversation-item:hover .conversation-actions {
    opacity: 1;
}

.delete-conversation-btn {
    background: #f44336;
    border: none;
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 10px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.delete-conversation-btn:hover {
    background: #d32f2f;
}

.loading {
    text-align: center;
    color: #8a8a8a;
    font-style: italic;
    padding: 20px;
}

.no-conversations {
    text-align: center;
    color: #8a8a8a;
    font-style: italic;
    padding: 20px;
}

/* Prompt Library Styles */
.library-section {
    background: #2d2d30;
    border-radius: 6px;
    border: 1px solid #3e3e42;
    margin-bottom: 12px;
    overflow: hidden;
}

.library-header {
    background: #3c3c3c;
    padding: 12px 16px;
    border-bottom: 1px solid #3e3e42;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.library-header span {
    color: #d4d4d4;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.saved-prompts-list {
    max-height: 300px;
    overflow-y: auto;
    padding: 8px;
}

.prompt-item {
    background: #2d2d30;
    border: 1px solid #3e3e42;
    border-radius: 4px;
    padding: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.prompt-item:hover {
    background: #3c3c3c;
    border-color: #007acc;
}

.prompt-title {
    color: #d4d4d4;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.prompt-description {
    color: #8a8a8a;
    font-size: 11px;
    margin-bottom: 6px;
    line-height: 1.4;
    max-height: 28px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.prompt-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 10px;
    color: #6a6a6a;
}

.prompt-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.prompt-tag {
    background: rgba(0, 122, 204, 0.2);
    color: #569cd6;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 500;
}

.prompt-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.prompt-item:hover .prompt-actions {
    opacity: 1;
}

.prompt-action-btn {
    background: #3c3c3c;
    border: 1px solid #5a5a5a;
    color: #d4d4d4;
    padding: 4px 6px;
    border-radius: 3px;
    font-size: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prompt-action-btn:hover {
    background: #007acc;
    border-color: #007acc;
}

.prompt-action-btn.danger:hover {
    background: #f44336;
    border-color: #f44336;
}

.library-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.no-prompts {
    text-align: center;
    color: #8a8a8a;
    font-style: italic;
    padding: 20px;
}

/* Save Prompt Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: #2d2d30;
    border: 1px solid #3e3e42;
    border-radius: 8px;
    padding: 24px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-title {
    color: #d4d4d4;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: #8a8a8a;
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.modal-close:hover {
    background: #3e3e42;
    color: #d4d4d4;
}

.modal-body {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    color: #d4d4d4;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    background: #3c3c3c;
    border: 1px solid #5a5a5a;
    border-radius: 4px;
    padding: 8px 12px;
    color: #d4d4d4;
    font-size: 12px;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: #007acc;
    background: #404040;
}

.form-textarea {
    min-height: 80px;
    resize: vertical;
    font-family: inherit;
}

.form-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    min-height: 32px;
    align-items: flex-start;
    padding: 6px 8px;
    background: #3c3c3c;
    border: 1px solid #5a5a5a;
    border-radius: 4px;
    cursor: text;
}

.form-tags:focus-within {
    border-color: #007acc;
    background: #404040;
}

.tag-item {
    background: rgba(0, 122, 204, 0.2);
    color: #569cd6;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.tag-remove {
    cursor: pointer;
    font-weight: bold;
    opacity: 0.7;
}

.tag-remove:hover {
    opacity: 1;
}

.tag-input {
    background: none;
    border: none;
    outline: none;
    color: #d4d4d4;
    font-size: 11px;
    min-width: 60px;
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.btn-secondary {
    background: #3c3c3c;
    border: 1px solid #5a5a5a;
    color: #d4d4d4;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: #4a4a4a;
}

.library-stats {
    font-size: 10px;
    color: #6a6a6a;
    display: flex;
    gap: 12px;
}

.usage-count {
    color: #569cd6;
    font-weight: 500;
}

/* Eval Generator Styles */
.eval-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 6px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 0;
    font-size: 12px;
    color: #d4d4d4;
    transition: color 0.2s ease;
}

.checkbox-item:hover {
    color: #fff;
}

.checkbox-item input[type="checkbox"] {
    appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid #5a5a5a;
    border-radius: 3px;
    background: #3c3c3c;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    margin: 0;
}

.checkbox-item input[type="checkbox"]:hover {
    border-color: #007acc;
}

.checkbox-item input[type="checkbox"]:checked {
    background: #007acc;
    border-color: #007acc;
}

.checkbox-item input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Evaluation Results Styles */
.eval-results-container {
    padding: 20px;
}

.eval-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #3e3e42;
}

.eval-title {
    color: #d4d4d4;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.eval-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.eval-status.running {
    color: #dcdcaa;
}

.eval-status.completed {
    color: #4ec9b0;
}

.eval-status.error {
    color: #f48771;
}

.eval-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.eval-metric {
    background: #2d2d30;
    border: 1px solid #3e3e42;
    border-radius: 6px;
    padding: 16px;
}

.eval-metric-title {
    color: #8a8a8a;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.eval-metric-value {
    color: #d4d4d4;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
}

.eval-metric-subtitle {
    color: #6a6a6a;
    font-size: 10px;
}

.eval-results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.eval-dataset, .eval-scores {
    background: #2d2d30;
    border: 1px solid #3e3e42;
    border-radius: 6px;
    overflow: hidden;
}

.eval-section-title {
    background: #252526;
    padding: 12px 16px;
    color: #d4d4d4;
    font-size: 13px;
    font-weight: 600;
    border-bottom: 1px solid #3e3e42;
}

.eval-test-case {
    padding: 12px 16px;
    border-bottom: 1px solid #3e3e42;
}

.eval-test-case:last-child {
    border-bottom: none;
}

.test-case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.test-case-type {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #569cd6;
    background: rgba(86, 156, 214, 0.2);
    padding: 2px 6px;
    border-radius: 3px;
}

.test-case-difficulty {
    font-size: 10px;
    color: #6a6a6a;
}

.test-case-input {
    color: #d4d4d4;
    font-size: 12px;
    line-height: 1.4;
    background: #1e1e1e;
    padding: 8px;
    border-radius: 4px;
    border-left: 3px solid #007acc;
}

.eval-empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #8a8a8a;
}

.eval-empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

@media (max-width: 768px) {
    .eval-results-grid {
        grid-template-columns: 1fr;
    }
    
    .eval-summary {
        grid-template-columns: 1fr;
    }
} 
/* Mobile layout: the original desktop split view becomes cramped on phones.
   Use a single-column app, compact operation shortcuts, and move the prompt
   generator below the editor instead of hiding it. */
@media (max-width: 768px) {
    body {
        height: auto;
        min-height: 100dvh;
        overflow-x: hidden;
        overflow-y: auto;
    }

    .header {
        height: auto;
        min-height: 44px;
        padding: 8px 10px;
        gap: 8px;
        flex-wrap: wrap;
    }

    .header-left,
    .header-right {
        min-width: 0;
    }

    .logo {
        font-size: 14px;
    }

    .header-right {
        flex: 1;
        justify-content: flex-end;
        gap: 6px;
        font-size: 10px;
        flex-wrap: wrap;
    }

    .status-indicator span,
    .header-right > span:last-child {
        display: none;
    }

    .provider-indicator {
        max-width: 180px;
        padding: 3px 6px;
        font-size: 10px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .main-container {
        display: block;
        height: auto;
        min-height: calc(100dvh - 44px);
        width: 100%;
        overflow: visible;
    }

    .sidebar {
        width: 100% !important;
        min-width: 0;
        max-width: none;
        height: auto;
        border-right: 0;
        border-bottom: 1px solid #3e3e42;
        overflow: visible;
    }

    .sidebar-header {
        padding: 8px 12px;
        font-size: 10px;
    }

    .sidebar-section:first-child {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sidebar-section:first-child .sidebar-header,
    .sidebar-section:first-child .control-panel {
        grid-column: 1 / -1;
    }

    .operation-item {
        padding: 8px 10px;
        min-width: 0;
        border-bottom: 1px solid #2d2d30;
    }

    .operation-title {
        font-size: 12px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .operation-desc {
        display: none;
    }

    .control-panel {
        padding: 10px 12px;
    }

    .editor-container {
        min-height: 56dvh;
        width: 100%;
    }

    .editor-header {
        height: auto;
        min-height: 40px;
        padding: 6px 8px;
        gap: 6px;
        flex-wrap: wrap;
    }

    .editor-title {
        min-width: 0;
        flex: 1 1 auto;
        font-size: 12px;
    }

    .token-info {
        order: 3;
        width: 100%;
        margin: 0;
    }

    .token-counter {
        width: 100%;
        padding: 3px 6px;
        gap: 5px;
        overflow: hidden;
    }

    .token-main,
    .token-details,
    .token-context {
        font-size: 10px;
    }

    .token-context {
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .editor-actions {
        gap: 4px;
    }

    .editor-btn {
        padding: 4px 6px;
        font-size: 10px;
    }

    .prompt-editor {
        min-height: 220px;
    }

    .line-numbers {
        min-width: 32px;
        padding: 12px 6px;
        font-size: 11px;
    }

    #main-prompt {
        padding: 12px 10px;
        font-size: 13px;
    }

    .results-panel {
        height: auto;
        min-height: 220px;
        max-height: none;
    }

    .results-header {
        height: auto;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .result-tab {
        flex: 0 0 auto;
        padding: 8px 10px;
        font-size: 11px;
        white-space: nowrap;
    }

    .results-content {
        min-height: 180px;
        padding: 12px;
    }

    .empty-state {
        padding: 24px 12px;
    }

    .prompt-generator-panel {
        display: flex !important;
        width: 100% !important;
        min-width: 0;
        max-width: none;
        min-height: 360px;
        border-left: 0;
        border-top: 1px solid #3e3e42;
    }

    .prompt-generator-header {
        height: auto;
        min-height: 48px;
        padding: 8px 10px;
        gap: 8px;
        flex-wrap: wrap;
    }

    .prompt-generator-title {
        min-width: 0;
        font-size: 12px;
    }

    .prompt-generator-actions {
        gap: 4px;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .generator-btn {
        padding: 5px 8px;
        font-size: 10px;
    }

    .conversation-area {
        min-height: 210px;
        padding: 12px;
    }

    .conversation-welcome {
        padding: 28px 12px 24px;
    }

    .conversation-input-area {
        padding: 10px;
    }

    .input-container {
        gap: 8px;
        align-items: stretch;
    }

    #conversation-input {
        min-width: 0;
        min-height: 54px;
        padding: 10px;
        font-size: 13px;
    }

    .send-btn {
        padding: 10px 12px;
        font-size: 12px;
    }

    .message-user,
    .message-ai {
        margin-left: 0;
        margin-right: 0;
    }
}

@media (max-width: 420px) {
    .sidebar-section:first-child {
        grid-template-columns: 1fr;
    }

    .provider-indicator {
        max-width: 140px;
    }

    .input-container {
        flex-direction: column;
    }

    .send-btn {
        width: 100%;
    }
}