/* ============================================================================
   GEPA PROMPT STUDIO - Unified Workspace Styles
   ============================================================================ */

/* CSS Variables */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-elevated: #30363d;
    --bg-hover: #30363d;
    --bg-active: #388bfd1a;
    
    --border-color: #30363d;
    --border-light: #21262d;
    
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --text-link: #58a6ff;
    
    --accent-color: #58a6ff;
    --accent-hover: #79c0ff;
    --success-color: #3fb950;
    --warning-color: #d29922;
    --error-color: #f85149;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    
    /* Layout */
    --header-height: 56px;
    --timeline-height: 48px;
    --quickbar-height: 48px;
    --panel-left-width: 240px;
    --panel-right-width: 320px;
    
    /* Animation */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* ============================================================================
   BASE & RESET
   ============================================================================ */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow: hidden;
}

/* ============================================================================
   APP CONTAINER
   ============================================================================ */

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

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

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 var(--space-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.logo {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    white-space: nowrap;
}

.main-nav {
    display: flex;
    gap: var(--space-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: none;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.nav-item.active {
    background: var(--bg-active);
    color: var(--accent-color);
}

.nav-icon {
    font-size: 1rem;
}

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

.prompt-selector {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.prompt-select {
    min-width: 280px;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.header-right {
    display: flex;
    align-items: center;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 var(--space-sm);
}

/* Unsaved Indicator */
.unsaved-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(210, 153, 34, 0.15);
    border: 1px solid var(--warning-color);
    border-radius: 4px;
    color: var(--warning-color);
    font-size: 12px;
    font-weight: 500;
    margin-right: 8px;
    animation: pulse 2s infinite;
}

.unsaved-dot {
    width: 8px;
    height: 8px;
    background: var(--warning-color);
    border-radius: 50%;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Commit Button States */
.btn-commit-db.has-changes:not(:disabled) {
    background: var(--success-color);
    border-color: var(--success-color);
}

.btn-commit-db.has-changes:not(:disabled):hover {
    background: #46c958;
}

.btn-success {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #46c958;
}

/* Change Count Badge */
.change-count {
    font-size: 12px;
    color: var(--warning-color);
    font-weight: 500;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn:hover {
    background: var(--bg-elevated);
    border-color: var(--text-muted);
}

.btn-primary {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

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

.btn-ghost {
    background: transparent;
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--bg-hover);
    border-color: transparent;
}

.btn-warning {
    background: var(--warning-color);
    border-color: var(--warning-color);
    color: #000;
}

.btn-sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8rem;
}

.btn-icon {
    padding: var(--space-sm);
    min-width: 32px;
}

.btn-full {
    width: 100%;
}

/* ============================================================================
   WORKSPACE LAYOUT
   ============================================================================ */

.workspace {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ============================================================================
   PANELS
   ============================================================================ */

.panel {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    overflow: hidden;
}

.panel:last-child {
    border-right: none;
    border-left: 1px solid var(--border-color);
}

/* Left Panel */
.panel-left {
    width: var(--panel-left-width);
    flex-shrink: 0;
}

/* Center Panel */
.panel-center {
    flex: 1;
    background: var(--bg-primary);
    border-right: none;
}

/* Right Panel */
.panel-right {
    width: var(--panel-right-width);
    flex-shrink: 0;
}

/* Panel Sections */
.panel-section {
    border-bottom: 1px solid var(--border-color);
}

.panel-section:last-child {
    border-bottom: none;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.panel-section-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    transition: var(--transition-fast);
}

.panel-section-header:hover {
    background: var(--bg-hover);
}

.collapse-icon {
    font-size: 0.7rem;
    transition: var(--transition-fast);
}

.panel-section.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.panel-section.collapsed .panel-section-content {
    display: none;
}

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

.badge {
    padding: 2px 6px;
    background: var(--bg-elevated);
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: auto;
}

.badge-warning {
    background: var(--warning-color);
    color: #000;
}

.badge-error {
    background: var(--error-color);
    color: #fff;
}

/* ============================================================================
   SECTIONS TREE
   ============================================================================ */

.section-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.section-item:hover {
    background: var(--bg-hover);
}

.section-item.active {
    background: var(--bg-active);
    color: var(--accent-color);
}

.section-item.has-issue {
    border-left: 2px solid var(--warning-color);
}

.section-icon {
    font-size: 0.9rem;
    opacity: 0.7;
}

.section-name {
    flex: 1;
    font-size: 0.85rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.section-badge {
    font-size: 0.7rem;
    padding: 1px 4px;
    background: var(--warning-color);
    color: #000;
    border-radius: 3px;
}

/* ============================================================================
   VARIABLES LIST
   ============================================================================ */

.variable-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.variable-item:hover {
    background: var(--bg-hover);
}

.variable-name {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.8rem;
    color: var(--accent-color);
}

.variable-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================================================
   EDITOR AREA
   ============================================================================ */

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

.toolbar-left,
.toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.toolbar-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 var(--space-sm);
}

.toolbar-info {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.toolbar-info .separator {
    margin: 0 var(--space-sm);
}

.toggle-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    margin-right: var(--space-xs);
}

.btn.active .toggle-indicator {
    background: var(--success-color);
}

.issue-badge {
    padding: 2px 6px;
    background: var(--error-color);
    color: #fff;
    border-radius: 10px;
    font-size: 0.7rem;
    margin-left: var(--space-xs);
}

.editor-wrapper {
    position: relative;
    flex: 1;
    overflow: hidden;
}

.monaco-editor-container {
    width: 100%;
    height: 100%;
}

/* Change Markers */
.change-markers {
    position: absolute;
    top: 0;
    right: 16px;
    bottom: 0;
    width: 4px;
    pointer-events: none;
}

.change-marker {
    position: absolute;
    right: 0;
    width: 4px;
    background: var(--accent-color);
    border-radius: 2px;
    cursor: pointer;
    pointer-events: auto;
}

.change-marker.new {
    background: var(--success-color);
}

.change-marker.modified {
    background: var(--warning-color);
}

.change-marker.deleted {
    background: var(--error-color);
}

/* ============================================================================
   CONTEXT PANEL
   ============================================================================ */

.context-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.context-tab {
    flex: 1;
    padding: var(--space-md);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.context-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.context-tab.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

.context-content {
    display: none;
    flex: 1;
    overflow-y: auto;
}

.context-content.active {
    display: flex;
    flex-direction: column;
}

.context-section {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-light);
}

.context-section:last-of-type {
    border-bottom: none;
}

.context-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.context-actions {
    padding: var(--space-md);
    margin-top: auto;
}

/* Selected Section */
.selected-section {
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.selected-section-tag {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    color: var(--accent-color);
}

.selected-section-lines {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* Section Description */
.section-description {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.section-preview {
    background: var(--bg-tertiary);
    border-radius: 6px;
    padding: var(--space-sm);
    max-height: 150px;
    overflow-y: auto;
}

.section-preview code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-word;
}

.selected-section-parent {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* Section Variables */
.section-variables {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.var-tag {
    padding: 2px 8px;
    background: var(--bg-active);
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.8rem;
    color: var(--accent-color);
}

/* History List */
.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.history-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.history-item:hover {
    background: var(--bg-elevated);
}

.history-item.reverted {
    opacity: 0.5;
}

.history-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.history-content {
    flex: 1;
    min-width: 0;
}

.history-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.history-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.history-actions {
    display: flex;
    gap: var(--space-xs);
    opacity: 0;
    transition: var(--transition-fast);
}

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

/* Checkpoints List */
.checkpoints-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.checkpoint-item {
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    border-left: 3px solid var(--accent-color);
}

.checkpoint-name {
    font-weight: 500;
    color: var(--text-primary);
}

.checkpoint-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.checkpoint-actions {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

/* Eval List */
.eval-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.eval-item {
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    border-left: 3px solid var(--error-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.eval-item:hover {
    background: var(--bg-elevated);
}

.eval-item.passing {
    border-left-color: var(--success-color);
}

.eval-item.warning {
    border-left-color: var(--warning-color);
}

.eval-title {
    font-weight: 500;
    color: var(--text-primary);
}

.eval-detail {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ============================================================================
   TIMELINE RAIL
   ============================================================================ */

.timeline-rail {
    display: flex;
    align-items: center;
    height: var(--timeline-height);
    padding: 0 var(--space-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    gap: var(--space-md);
}

.timeline-controls {
    display: flex;
    gap: var(--space-xs);
}

.timeline-track {
    flex: 1;
    position: relative;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    cursor: pointer;
}

.timeline-markers {
    position: absolute;
    top: 0;
    left: 12px;
    right: 12px;
    bottom: 0;
    display: flex;
    align-items: center;
}

.timeline-point {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--text-muted);
    border: 2px solid var(--bg-secondary);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 1;
}

.timeline-point:hover {
    transform: scale(1.3);
    background: var(--accent-color);
}

.timeline-point.current {
    background: var(--accent-color);
    box-shadow: 0 0 0 3px var(--bg-active);
}

.timeline-point.checkpoint {
    background: var(--warning-color);
}

.timeline-point.original {
    background: var(--text-muted);
    opacity: 0.5;
}

.timeline-connector {
    position: absolute;
    top: 50%;
    height: 2px;
    background: var(--border-color);
    transform: translateY(-50%);
}

.timeline-playhead {
    position: absolute;
    top: 50%;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border: 2px solid var(--bg-secondary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: grab;
    z-index: 2;
    transition: var(--transition-fast);
}

.timeline-playhead:active {
    cursor: grabbing;
    transform: translate(-50%, -50%) scale(1.2);
}

.timeline-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-width: 120px;
    justify-content: flex-end;
}

#timeline-current {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Timeline Collapsed */
.timeline-rail.collapsed {
    height: 32px;
}

.timeline-rail.collapsed .timeline-track {
    display: none;
}

/* ============================================================================
   QUICK ACTIONS BAR
   ============================================================================ */

.quick-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--quickbar-height);
    padding: 0 var(--space-lg);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

.quick-actions-left,
.quick-actions-center,
.quick-actions-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.quick-actions-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 var(--space-sm);
}

/* ============================================================================
   MODALS
   ============================================================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1001;
}

.modal-content {
    position: relative;
    z-index: 1005;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.modal-content.modal-lg {
    max-width: 700px;
}

.modal-content.modal-xl {
    max-width: 1400px;
    width: 95%;
    max-height: 90vh;
}

/* ============================================================================
   OPTIMIZE MODAL (scoped overrides)
   NOTE: `css/evals.css` also defines `.modal-overlay` and is loaded after this
   file. These higher-specificity rules ensure the overlay sits *behind* the
   dialog content and does not block clicks inside the modal.
   ============================================================================ */

#optimize-modal.modal {
    z-index: 2000;
}

#optimize-modal .modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: block; /* override evals.css which uses display:flex */
    z-index: 0;
}

#optimize-modal .modal-content {
    position: relative;
    z-index: 1;
}

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

.modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.modal-body {
    flex: 1;
    padding: var(--space-lg);
    overflow-y: auto;
    min-height: 0;  /* Allow flex shrinking */
}

/* Proposal modal specific overrides */
#proposal-modal .modal-body {
    overflow: hidden;
}

.modal-footer {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
}

/* ============================================================================
   FORMS
   ============================================================================ */

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.input,
.textarea,
.select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
}

.input:focus,
.textarea:focus,
.select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--bg-active);
}

.textarea {
    resize: vertical;
    min-height: 80px;
}

.full-width {
    width: 100%;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.radio-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.radio-label:hover {
    background: var(--bg-elevated);
}

.radio-label input {
    margin-top: 3px;
}

.radio-label span {
    font-weight: 500;
}

.radio-label small {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-sm);
}

/* ============================================================================
   PROPOSAL LAYOUT
   ============================================================================ */

.proposal-body {
    padding: 0 !important;
    display: flex;
    flex-direction: column;
    min-height: 0;  /* Allow flex shrinking */
    height: 100%;   /* Fill modal body */
    overflow: hidden;
}

.proposal-layout {
    display: grid;
    grid-template-columns: 400px 1fr;
    flex: 1;
    overflow: hidden;
    min-height: 0;  /* Allow flex shrinking */
    height: 100%;   /* Fill available height */
}

.proposal-explanation {
    padding: var(--space-lg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

.proposal-summary {
    padding: var(--space-md);
    background: var(--bg-active);
    border-radius: 6px;
    font-style: italic;
    margin-bottom: var(--space-lg);
}

.proposal-section {
    margin-bottom: var(--space-lg);
}

.proposal-section h4 {
    margin: 0 0 var(--space-sm) 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.proposal-diff {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;  /* Allow flex shrinking */
    height: 100%;   /* Fill available height */
}

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

.diff-view {
    flex: 1;
    overflow: hidden;
    background: var(--bg-primary);
    min-height: 400px;
}

/* Monaco diff editor container */
#proposal-diff-view {
    height: 100%;
    min-height: 400px;
}

#proposal-diff-view .monaco-editor,
#proposal-diff-view .monaco-diff-editor {
    height: 100% !important;
}

/* Diff Syntax Highlighting */
.diff-content {
    margin: 0;
    padding: var(--space-lg);
    white-space: pre-wrap;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-primary);
}

.diff-content .diff-header {
    display: block;
    color: var(--text-muted);
    font-weight: bold;
    padding: 0;
    border: none;
}

.diff-content .diff-hunk {
    display: block;
    color: #79c0ff;
    background: rgba(88, 166, 255, 0.1);
}

.diff-content .diff-add {
    display: block;
    color: #3fb950;
    background: rgba(63, 185, 80, 0.15);
}

.diff-content .diff-remove {
    display: block;
    color: #f85149;
    background: rgba(248, 81, 73, 0.15);
}

/* Patches List */
.patches-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.patches-header {
    display: flex;
    align-items: center;
    padding: var(--space-sm);
    background: var(--bg-secondary);
    border-radius: 6px;
    margin-bottom: var(--space-sm);
}

.select-all-patches {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.select-all-patches:hover {
    color: var(--text-primary);
}

.patch-item {
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: 6px;
    border-left: 3px solid var(--accent-color);
    transition: opacity var(--transition-fast), border-color var(--transition-fast);
}

.patch-item.excluded {
    opacity: 0.5;
    border-left-color: var(--text-muted);
}

.patch-item.excluded .patch-section {
    color: var(--text-muted);
}

.patch-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.patch-select {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.patch-select input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent-color);
}

.patch-section {
    flex: 1;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    color: var(--accent-color);
}

.patch-confidence {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 2px 6px;
    background: var(--bg-elevated);
    border-radius: 4px;
}

.patch-content {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin: var(--space-sm) 0;
    padding: var(--space-sm);
    background: var(--bg-primary);
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 12px;
    line-height: 1.4;
}

.patch-original {
    flex: 1;
    color: var(--error-color);
    word-break: break-word;
}

.patch-arrow {
    color: var(--text-muted);
    font-weight: bold;
    padding: 0 var(--space-xs);
}

.patch-new {
    flex: 1;
    color: var(--success-color);
    word-break: break-word;
}

.patch-reason {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============================================================================
   COMPARE LAYOUT
   ============================================================================ */

.compare-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border-color);
    height: 100%;
}

.compare-panel {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
}

.compare-header {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    font-weight: 500;
}

.compare-editor {
    flex: 1;
    overflow: auto;
}

/* ============================================================================
   OPTIMIZE MODAL
   ============================================================================ */

.optimize-tabs {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.opt-tab {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.opt-tab:hover {
    background: var(--bg-elevated);
}

.opt-tab.active {
    background: var(--bg-active);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.optimize-content {
    display: none;
}

.optimize-content.active {
    display: block;
}

/* ============================================================================
   REVERT MODAL
   ============================================================================ */

.revert-info {
    margin-bottom: var(--space-lg);
}

.revert-target {
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: 6px;
    margin-bottom: var(--space-md);
}

.revert-target strong {
    color: var(--text-secondary);
    display: block;
    margin-bottom: var(--space-xs);
}

.revert-changes ul {
    margin: var(--space-sm) 0 0 var(--space-lg);
    padding: 0;
}

.revert-changes li {
    margin-bottom: var(--space-xs);
    color: var(--text-secondary);
}

.revert-impact {
    padding: var(--space-md);
    background: rgba(var(--warning-color), 0.1);
    border: 1px solid var(--warning-color);
    border-radius: 6px;
}

.impact-warning strong {
    color: var(--warning-color);
    display: block;
    margin-bottom: var(--space-sm);
}

/* ============================================================================
   HISTORY MODAL
   ============================================================================ */

.history-timeline-full {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.history-timeline-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.history-timeline-item:hover {
    background: var(--bg-elevated);
}

.history-timeline-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border-radius: 50%;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.history-timeline-content {
    flex: 1;
}

.history-timeline-title {
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.history-timeline-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.history-timeline-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.history-timeline-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
}

/* ============================================================================
   EMPTY STATE
   ============================================================================ */

.empty-state {
    padding: var(--space-lg);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================================================
   TOAST CONTAINER
   ============================================================================ */

.toast-container {
    position: fixed;
    bottom: calc(var(--quickbar-height) + var(--timeline-height) + var(--space-lg));
    right: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    z-index: 1001;
}

.toast {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left: 3px solid var(--success-color);
}

.toast.error {
    border-left: 3px solid var(--error-color);
}

.toast.warning {
    border-left: 3px solid var(--warning-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================================================
   BATCH OPTIMIZATION - Evals Panel
   ============================================================================ */

.filter-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.filter-row .select {
    flex: 1;
}

.filter-row .input {
    flex: 1;
    max-width: 100px;
}

.filter-row .input-sm {
    height: 32px;
    padding: 4px 8px;
    font-size: 13px;
}

.evals-list-container {
    flex: 1;
    overflow: visible;
}

.evals-list {
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
}

.evals-list .empty-message {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
}

.eval-item {
    display: flex;
    align-items: flex-start;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

.eval-item:hover {
    background: var(--bg-hover);
}

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

.eval-item.selected {
    background: rgba(59, 130, 246, 0.15);
}

.eval-item.failing {
    border-left: 3px solid var(--color-error);
}

.eval-item.passing {
    border-left: 3px solid var(--color-success);
}

.eval-checkbox {
    margin-right: 10px;
    padding-top: 2px;
}

.eval-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.eval-info {
    flex: 1;
    min-width: 0;
}

.eval-header {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 4px;
}

.eval-index {
    font-weight: 600;
    color: var(--text-primary);
}

.eval-category {
    font-size: 12px;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    color: var(--text-secondary);
}

.eval-score {
    font-size: 12px;
    font-weight: 600;
}

.eval-score.failing {
    color: var(--color-error);
}

.eval-score.passing {
    color: var(--color-success);
}

.eval-preview {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Focused eval item (for preview) */
.eval-item.focused {
    outline: 2px solid var(--accent-blue);
    outline-offset: -2px;
}

/* Two-column split layout for evals panel */
.evals-panel-split {
    display: flex;
    gap: 1rem;
    min-height: 400px;
    max-height: 500px;
}

.evals-panel-split .evals-list {
    flex: 1;
    min-width: 0;
    max-height: 500px;
    overflow-y: auto;
}

/* Preview sidebar */
.eval-preview-sidebar {
    width: 450px;
    min-width: 400px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    max-height: 500px;
}

.eval-preview-sidebar .preview-placeholder {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.eval-preview-sidebar .preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.eval-preview-sidebar .preview-title {
    display: flex;
    gap: 8px;
    align-items: center;
}

.eval-preview-sidebar .preview-category {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.eval-preview-sidebar .preview-score {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--bg-secondary);
}

.eval-preview-sidebar .preview-score.passing {
    color: var(--color-success);
}

.eval-preview-sidebar .preview-score.failing {
    color: var(--color-error);
}

.eval-preview-sidebar .copy-preview-json {
    padding: 4px 8px;
    font-size: 11px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.eval-preview-sidebar .copy-preview-json:hover {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.eval-preview-sidebar .preview-json-content {
    flex: 1;
    margin: 0;
    padding: 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-y: auto;
    color: var(--text-primary);
    background: transparent;
}

/* Preview sections styling */
.eval-preview-sidebar .preview-sections {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px;
    overflow-y: auto;
    flex: 1;
}

.eval-preview-sidebar .preview-section {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.eval-preview-sidebar .preview-section-title {
    margin: 0;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    background: var(--surface-secondary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.eval-preview-sidebar .preview-section-content {
    margin: 0;
    padding: 10px 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text-primary);
    background: var(--surface-primary);
    /* No max-height - show full content */
}

/* Collapsible JSON section */
.eval-preview-sidebar .preview-section.collapsible .toggle-raw-json {
    cursor: pointer;
    user-select: none;
}

.eval-preview-sidebar .preview-section.collapsible .toggle-raw-json:hover {
    background: var(--surface-hover);
}

.eval-preview-sidebar .preview-section.collapsible .toggle-indicator {
    float: right;
    opacity: 0.6;
}

.eval-preview-sidebar .preview-json-content.collapsed {
    display: none;
}

/* Responsive - stack sidebar below on smaller modal widths */
@media (max-width: 900px) {
    .evals-panel-split {
        flex-direction: column;
        max-height: none;
    }
    
    .eval-preview-sidebar {
        width: 100%;
        min-width: auto;
        max-height: 400px;
    }
}

.selection-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    color: var(--text-secondary);
}

/* ============================================================================
   BATCH OPTIMIZATION - Progress Modal
   ============================================================================ */

#batch-progress-modal .modal-content {
    width: 500px;
}

.progress-section {
    margin-bottom: 20px;
}

.progress-bar-container {
    height: 20px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-success));
    border-radius: 10px;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    color: var(--text-secondary);
    margin: 0;
}

.eval-progress-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.eval-progress-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
}

.eval-progress-item:last-child {
    border-bottom: none;
}

.eval-progress-item .status-icon {
    width: 20px;
    text-align: center;
    font-size: 14px;
}

.eval-progress-item.completed .status-icon {
    color: var(--color-success);
}

.eval-progress-item.processing .status-icon {
    color: var(--color-warning);
}

.eval-progress-item.failed .status-icon {
    color: var(--color-error);
}

.eval-progress-item.pending .status-icon {
    color: var(--text-muted);
}

.eval-progress-item .eval-id {
    flex: 1;
    font-family: monospace;
}

.eval-progress-item .eval-category {
    font-size: 11px;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.eval-progress-item .eval-status {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.eval-progress-item .eval-error {
    color: var(--color-error);
    font-size: 11px;
}

/* ============================================================================
   BATCH OPTIMIZATION - Proposals Queue Modal
   ============================================================================ */

#proposals-queue-modal .modal-content {
    width: 90%;
    max-width: 1000px;
    max-height: 85vh;
}

.proposals-summary {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.proposals-actions-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.proposals-list {
    max-height: 60vh;
    overflow-y: auto;
}

.proposal-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.proposal-item.accept {
    border-color: var(--color-success);
}

.proposal-item.reject {
    border-color: var(--color-error);
    opacity: 0.7;
}

.proposal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    cursor: pointer;
    background: var(--bg-tertiary);
}

.proposal-header:hover {
    background: var(--bg-hover);
}

.proposal-info {
    display: flex;
    gap: 15px;
    align-items: center;
}

.proposal-index {
    font-weight: 600;
}

.proposal-category {
    font-size: 12px;
    padding: 2px 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
}

.proposal-patches {
    font-size: 12px;
    color: var(--text-muted);
}

.proposal-status {
    display: flex;
    align-items: center;
}

.decision-badge {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 600;
}

.decision-badge.accept {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-success);
}

.decision-badge.reject {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-error);
}

.decision-badge.pending {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.proposal-actions {
    display: flex;
    gap: 8px;
    padding: 10px 15px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.proposal-actions .btn-accept {
    color: var(--color-success);
}

.proposal-actions .btn-reject {
    color: var(--color-error);
}

/* RAG-detected proposal styling */
.proposal-item.rag-pending {
    border-color: var(--color-warning, #f59e0b);
    background: rgba(245, 158, 11, 0.05);
}

.rag-warning-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: rgba(245, 158, 11, 0.15);
    border-bottom: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--color-warning, #f59e0b);
    font-size: 13px;
    font-weight: 600;
}

.rag-warning-banner .rag-icon {
    font-size: 16px;
}

.rag-warning-banner .rag-label {
    flex: 1;
}

.rag-reason {
    padding: 10px 15px;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.rag-reason strong {
    color: var(--text-primary);
}

.proposal-patches.rag-hint {
    color: var(--color-warning, #f59e0b);
    font-style: italic;
}

.proposal-actions.rag-actions {
    background: rgba(245, 158, 11, 0.05);
}

.proposal-actions .btn-rag-proceed {
    background: var(--color-success);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
}

.proposal-actions .btn-rag-proceed:hover {
    opacity: 0.9;
}

.proposal-actions .btn-rag-skip {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}

.proposal-actions .btn-rag-skip:hover {
    background: var(--bg-hover);
}

/* Loading state for RAG proceed */
.proposal-item.loading {
    opacity: 0.7;
    pointer-events: none;
}

.proposal-item.loading .loading-text {
    color: var(--text-muted);
    font-style: italic;
    padding: 8px 0;
}

.proposal-details {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.proposal-details h4 {
    font-size: 13px;
    margin: 0 0 8px 0;
    color: var(--text-secondary);
}

.proposal-explanation {
    margin-bottom: 15px;
}

.proposal-explanation p {
    font-size: 13px;
    line-height: 1.5;
    margin: 0 0 10px 0;
}

.proposal-patches {
    margin-bottom: 15px;
}

.patch-item {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 10px;
    overflow: hidden;
}

.patch-header {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    font-size: 12px;
}

.patch-section {
    font-weight: 600;
}

.patch-operation {
    text-transform: uppercase;
    color: var(--text-muted);
}

.patch-diff {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border-color);
}

.diff-old,
.diff-new {
    padding: 10px;
    background: var(--bg-secondary);
}

.diff-old {
    border-right: 1px solid var(--border-color);
}

.diff-old .diff-label {
    color: var(--color-error);
    font-size: 11px;
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

.diff-new .diff-label {
    color: var(--color-success);
    font-size: 11px;
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

.patch-diff pre {
    margin: 0;
    font-size: 12px;
    white-space: pre-wrap;
    word-break: break-word;
}

.patch-reason {
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

.proposal-warnings {
    padding: 10px;
    background: rgba(234, 179, 8, 0.1);
    border-radius: 6px;
}

.proposal-warnings h4 {
    color: var(--color-warning);
}

.proposal-warnings ul {
    margin: 0;
    padding-left: 20px;
}

.proposal-warnings li {
    font-size: 12px;
    color: var(--text-secondary);
}

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

@media (max-width: 1200px) {
    .panel-right {
        width: 280px;
    }
}

@media (max-width: 992px) {
    .panel-left {
        width: 200px;
    }
    
    .proposal-layout {
        grid-template-columns: 1fr;
    }
    
    .proposal-explanation {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        max-height: 40%;
    }
    
    .patch-diff {
        grid-template-columns: 1fr;
    }
    
    .diff-old {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}