/* Dashboard & Pipeline UI Styles
 * Phase 2 styles for PRD-005
 */

/* ===== Additional CSS Variables ===== */
:root {
    /* Source type colors */
    --source-regex: #22c55e;
    --source-regex-bg: #dcfce7;
    --source-llm: #3b82f6;
    --source-llm-bg: #dbeafe;
    --source-inferred: #8b5cf6;
    --source-inferred-bg: #f3e8ff;

    /* Status colors */
    --status-auto: #22c55e;
    --status-review: #eab308;
    --status-done: #3b82f6;
    --status-reject: #6b7280;
    --status-info: #8b5cf6;
    --status-error: #ef4444;
}

/* ===== Navigation Tabs ===== */
.nav-tabs {
    display: flex;
    gap: var(--space-1);
    margin-left: var(--space-6);
}

.nav-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-600);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
}

.nav-tab:hover {
    color: var(--gray-900);
    background-color: var(--gray-50);
}

.nav-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--white);
    background-color: var(--status-review);
    border-radius: 10px;
}

/* ===== Dashboard Grid ===== */
.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* ===== Metrics Row ===== */
.metrics-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.metric-card {
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.metric-card.highlight {
    border-color: var(--status-review);
    border-width: 2px;
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.metric-label {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-trend {
    font-size: var(--text-xs);
    font-weight: 500;
    padding: var(--space-1) var(--space-2);
    border-radius: 4px;
}

.metric-trend.up {
    color: var(--success);
    background-color: rgba(34, 197, 94, 0.1);
}

.metric-trend.down {
    color: var(--danger);
    background-color: rgba(239, 68, 68, 0.1);
}

.metric-trend.neutral {
    color: var(--gray-500);
    background-color: var(--gray-100);
}

.metric-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.metric-footer {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

.urgent-count {
    color: var(--status-urgent);
    font-weight: 600;
}

/* ===== Charts Row ===== */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    gap: var(--space-4);
}

.chart-card {
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: var(--space-4);
    /* Ensure minimum width for charts with Y-axis labels */
    min-width: 0;
    overflow: hidden;
}

.chart-card.wide {
    grid-column: span 1;
    /* Wide chart needs more horizontal space for trend line */
    min-width: 280px;
}

.chart-header {
    margin-bottom: var(--space-4);
}

.chart-header h3 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.chart-subtitle {
    font-size: var(--text-xs);
    color: var(--gray-500);
}

.chart-body {
    min-height: 180px;
}

/* ===== Bar Chart ===== */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.bar-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.bar-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
}

.bar-label-text {
    color: var(--gray-700);
}

.bar-label-value {
    font-weight: 600;
    color: var(--gray-900);
}

.bar-track {
    height: 24px;
    background-color: var(--gray-100);
    border-radius: 4px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.bar-fill.regex {
    background-color: var(--source-regex);
}

.bar-fill.llm {
    background-color: var(--source-llm);
}

.bar-fill.regex-llm {
    background: linear-gradient(90deg, var(--source-regex) 50%, var(--source-llm) 50%);
}

/* ===== Horizontal Bars (Confidence) ===== */
.horizontal-bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.h-bar-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.h-bar-label {
    width: 60px;
    font-size: var(--text-sm);
    color: var(--gray-600);
}

.h-bar-track {
    flex: 1;
    height: 20px;
    background-color: var(--gray-100);
    border-radius: 4px;
    overflow: hidden;
}

.h-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--white);
    min-width: 30px;
}

.h-bar-fill.high {
    background-color: var(--confidence-high);
}

.h-bar-fill.medium {
    background-color: var(--confidence-medium);
}

.h-bar-fill.low {
    background-color: var(--confidence-low);
}

.h-bar-fill.critical {
    background-color: var(--confidence-critical);
}

.h-bar-value {
    width: 40px;
    text-align: right;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
}

/* ===== Line Chart ===== */
.line-chart {
    position: relative;
    height: 180px;
    display: flex;
    flex-direction: column;
    /* Add left padding to accommodate Y-axis labels */
    padding-left: 40px;
    min-width: 200px;
}

.line-chart-graph {
    flex: 1;
    position: relative;
    border-left: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    /* Add slight left margin for visual breathing room */
    margin-left: 4px;
}

.line-chart-svg {
    width: 100%;
    height: 100%;
}

.line-chart-line {
    fill: none;
    stroke: var(--primary);
    stroke-width: 2;
}

.line-chart-area {
    fill: rgba(59, 130, 246, 0.1);
}

.line-chart-dot {
    fill: var(--primary);
}

.line-chart-labels {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-2);
    /* Offset to align with graph area */
    margin-left: 4px;
}

.line-chart-label {
    font-size: var(--text-xs);
    color: var(--gray-500);
}

.line-chart-y-axis {
    position: absolute;
    /* Position from left edge of padding area */
    left: 0;
    top: 0;
    /* Leave room for x-axis labels at bottom */
    bottom: 24px;
    /* Fixed width for consistent alignment */
    width: 36px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /* Right-align numbers for cleaner look */
    text-align: right;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--gray-500);
    /* Add padding to prevent text from touching the chart border */
    padding-right: 8px;
    box-sizing: border-box;
}

/* ===== Activity Section ===== */
.activity-section {
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: var(--space-4);
}

.activity-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.activity-header h3 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--gray-900);
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: 6px;
    background-color: var(--gray-50);
}

.activity-item:hover {
    background-color: var(--gray-100);
}

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

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

.activity-subject {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.activity-meta {
    font-size: var(--text-xs);
    color: var(--gray-500);
}

.activity-time {
    flex-shrink: 0;
    font-size: var(--text-xs);
    color: var(--gray-400);
}

/* ===== Status Badges (Extended) ===== */
.status-badge-sm {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-2);
    border-radius: 4px;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge-sm.auto {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--status-auto);
}

.status-badge-sm.review {
    background-color: rgba(234, 179, 8, 0.1);
    color: var(--status-review);
}

.status-badge-sm.done {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--status-done);
}

.status-badge-sm.reject {
    background-color: rgba(107, 114, 128, 0.1);
    color: var(--status-reject);
}

.status-badge-sm.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--status-error);
}

/* ===== Source Badges ===== */
.source-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 16px;
    height: 16px;
    padding: 0 3px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 700;
}

.source-badge.regex,
.source-badge.source-regex {
    background-color: var(--source-regex-bg);
    color: #166534;
}

.source-badge.llm,
.source-badge.source-llm {
    background-color: var(--source-llm-bg);
    color: #1e40af;
}

.source-badge.inferred,
.source-badge.source-inferred {
    background-color: var(--source-inferred-bg);
    color: #6b21a8;
}

.source-badges {
    display: flex;
    gap: 2px;
}

/* ===== Emails Table ===== */
.emails-header {
    margin-bottom: var(--space-4);
}

.emails-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
}

.emails-filters select,
.emails-filters input[type="date"] {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: var(--text-sm);
    background-color: var(--white);
}

.search-box {
    display: flex;
    gap: var(--space-2);
    flex: 1;
    max-width: 300px;
}

.search-box input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: var(--text-sm);
}

.emails-table-container {
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    overflow: hidden;
}

.emails-table {
    width: 100%;
    border-collapse: collapse;
}

.emails-table th,
.emails-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.emails-table th {
    background-color: var(--gray-50);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
}

.emails-table tbody tr {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.emails-table tbody tr:hover {
    background-color: var(--gray-50);
}

.emails-table tbody tr:last-child td {
    border-bottom: none;
}

.col-status { width: 80px; }
.col-conf { width: 60px; }
.col-sources { width: 80px; }
.col-customer { width: 180px; }
.col-subject { min-width: 200px; }
.col-time { width: 120px; }

.cell-subject {
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cell-time {
    font-size: var(--text-xs);
    color: var(--gray-500);
}

/* ===== Pagination ===== */
.emails-pagination,
.processed-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-4);
    padding: var(--space-4);
}

.pagination-info {
    font-size: var(--text-sm);
    color: var(--gray-600);
}

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    min-height: 28px;
}

/* ===== Detail Overlay ===== */
.detail-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-50);
    z-index: 200;
    overflow-y: auto;
}

.detail-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--space-6);
}

.detail-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.detail-title {
    flex: 1;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--gray-900);
}

.detail-title span:first-child {
    color: var(--gray-500);
    font-weight: 400;
}

.detail-actions {
    display: flex;
    gap: var(--space-2);
}

/* ===== Extraction Summary ===== */
.extraction-summary {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-4);
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    margin-bottom: var(--space-4);
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.summary-label {
    font-size: var(--text-xs);
    color: var(--gray-500);
    text-transform: uppercase;
}

.summary-value {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-900);
}

.source-bar {
    display: flex;
    width: 200px;
    height: 24px;
    border-radius: 4px;
    overflow: hidden;
}

.source-bar-segment {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--white);
    transition: width 0.3s ease;
}

.source-bar-segment.regex {
    background-color: var(--source-regex);
}

.source-bar-segment.llm {
    background-color: var(--source-llm);
}

.source-bar-segment.inferred {
    background-color: var(--source-inferred);
}

/* ===== Detail Content ===== */
.detail-content {
    display: flex;
    gap: 0;
    height: calc(100vh - 280px);
    min-height: 400px;
    margin-bottom: var(--space-4);
}

/* ===== Email Content with Highlighting ===== */
.email-content-highlighted {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
    font-family: 'Courier New', monospace;
    font-size: var(--text-sm);
    white-space: pre-wrap;
    line-height: 1.6;
}

.highlight-regex {
    background-color: var(--source-regex-bg);
    border-bottom: 2px solid var(--source-regex);
    padding: 1px 2px;
    border-radius: 2px;
    cursor: pointer;
}

.highlight-llm {
    background-color: var(--source-llm-bg);
    border-bottom: 2px solid var(--source-llm);
    padding: 1px 2px;
    border-radius: 2px;
    cursor: pointer;
}

.highlight-inferred {
    background-color: var(--source-inferred-bg);
    border-bottom: 2px solid var(--source-inferred);
    padding: 1px 2px;
    border-radius: 2px;
    cursor: pointer;
}

.highlight-active {
    background-color: #fef9c3;
    border-bottom: 3px solid #ca8a04;
    padding: 2px 4px;
    border-radius: 2px;
}

.highlight-secondary {
    background-color: #fef3c7;
    border-bottom: 2px dashed #d97706;
    padding: 1px 2px;
    border-radius: 2px;
}

/* ===== Field with Source Badge ===== */
.field-with-source {
    padding: 8px 10px;
    border-radius: 6px;
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    cursor: pointer;
    transition: all 0.15s ease;
}

.field-with-source:hover {
    border-color: var(--primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.field-with-source.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.field-source-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: 4px;
}

.field-source-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
}

.field-source-header .confidence-indicator {
    margin-left: auto;
    font-size: 10px;
}

.field-source-value {
    font-size: var(--text-sm);
    color: var(--gray-900);
    padding: 6px 8px;
    background-color: var(--gray-50);
    border-radius: 4px;
}

/* ===== Debug Panels ===== */
.debug-panel {
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    margin-bottom: var(--space-4);
}

.debug-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    cursor: pointer;
    background-color: var(--gray-50);
    border-radius: 8px 8px 0 0;
}

.debug-header h3 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--gray-900);
}

.debug-content {
    padding: var(--space-4);
}

.debug-section {
    margin-bottom: var(--space-4);
}

.debug-section:last-child {
    margin-bottom: 0;
}

.debug-section h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.debug-section.collapsible h4 {
    cursor: pointer;
}

.debug-section.collapsed > *:not(h4) {
    display: none;
}

.toggle-icon {
    font-size: var(--text-xs);
    color: var(--gray-400);
    transition: transform 0.2s;
}

.toggle-icon.collapsed {
    transform: rotate(-90deg);
}

/* ===== Pattern List ===== */
.pattern-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.pattern-item {
    padding: var(--space-3);
    background-color: var(--gray-50);
    border-radius: 6px;
    border-left: 3px solid var(--source-regex);
}

.pattern-item.not-matched {
    border-left-color: var(--gray-300);
    opacity: 0.7;
}

.pattern-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.pattern-regex {
    font-family: 'Courier New', monospace;
    font-size: var(--text-xs);
    color: var(--gray-600);
    background-color: var(--white);
    padding: var(--space-1) var(--space-2);
    border-radius: 4px;
    margin-bottom: var(--space-1);
    overflow-x: auto;
}

.pattern-match {
    font-size: var(--text-xs);
    color: var(--success);
}

.pattern-groups {
    font-size: var(--text-xs);
    color: var(--gray-500);
}

/* ===== LLM Stats ===== */
.llm-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    padding: var(--space-4);
    background-color: var(--gray-50);
    border-radius: 6px;
    margin-bottom: var(--space-4);
}

.llm-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.llm-stat-label {
    font-size: var(--text-xs);
    color: var(--gray-500);
    text-transform: uppercase;
}

.llm-stat-value {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-900);
}

.llm-fields-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.llm-field-tag {
    padding: var(--space-1) var(--space-3);
    background-color: var(--source-llm-bg);
    color: #1e40af;
    border-radius: 4px;
    font-size: var(--text-sm);
}

.code-block {
    background-color: var(--gray-900);
    color: var(--gray-100);
    padding: var(--space-4);
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: var(--text-xs);
    overflow-x: auto;
    max-height: 200px;
    white-space: pre-wrap;
}

/* ===== Field Tooltip ===== */
.field-tooltip {
    position: fixed;
    padding: var(--space-2) var(--space-3);
    background-color: var(--gray-900);
    color: var(--white);
    border-radius: 4px;
    font-size: var(--text-xs);
    font-weight: 500;
    z-index: 1000;
    pointer-events: none;
}

.field-tooltip::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--gray-900);
}

/* ===== Processed View ===== */
.processed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.processed-stats {
    display: flex;
    gap: var(--space-6);
}

.stat-success span {
    color: var(--success);
}

.stat-reject span {
    color: var(--status-reject);
}

.processed-filters {
    display: flex;
    gap: var(--space-3);
}

.processed-filters select,
.processed-filters input[type="date"] {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: var(--text-sm);
    background-color: var(--white);
}

.processed-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.processed-item {
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: var(--space-4);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-4);
    align-items: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

.processed-item:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.processed-item-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.processed-item-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.processed-item-customer {
    font-weight: 600;
    color: var(--gray-900);
}

.processed-item-subject {
    color: var(--gray-600);
    font-size: var(--text-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.processed-item-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-1);
}

.processed-item-date {
    font-size: var(--text-xs);
    color: var(--gray-500);
}

.processed-item-reviewer {
    font-size: var(--text-xs);
    color: var(--gray-400);
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 1200px) {
    .charts-row {
        grid-template-columns: 1fr 1fr;
    }

    .chart-card.wide {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-tabs {
        display: none;
    }

    .metrics-row {
        grid-template-columns: 1fr;
    }

    .charts-row {
        grid-template-columns: 1fr;
    }

    .chart-card.wide {
        grid-column: span 1;
    }

    .emails-filters {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        max-width: none;
    }

    .llm-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== Demo Inbox Styles ===== */

.demo-inbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-3);
}

.demo-inbox-controls {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.demo-inbox-controls select {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: var(--text-sm);
    background-color: var(--white);
    cursor: pointer;
    min-width: 150px;
}

.auto-refresh-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--gray-600);
    cursor: pointer;
}

.auto-refresh-toggle input {
    cursor: pointer;
}

.demo-inbox-info {
    font-size: var(--text-sm);
    color: var(--gray-500);
    font-family: 'Courier New', monospace;
}

/* ===== Split Pane Layout ===== */
.demo-inbox-split-pane {
    display: flex;
    height: calc(100vh - 180px);
    min-height: 400px;
    gap: 0;
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    overflow: hidden;
}

/* Left Pane: Email List */
.demo-inbox-list-pane {
    flex: 0 0 35%;
    min-width: 280px;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    background-color: var(--gray-50);
    border-right: 1px solid var(--gray-200);
    overflow: hidden;
}

.demo-inbox-list-pane .demo-inbox-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-2);
}

.demo-inbox-list-pane .loading-state,
.demo-inbox-list-pane .empty-state,
.demo-inbox-list-pane .error-state {
    flex: 1;
    padding: var(--space-4);
}

/* Resizable Divider */
.demo-inbox-divider {
    flex: 0 0 4px;
    background-color: var(--gray-200);
    cursor: col-resize;
    transition: background-color 0.15s;
}

.demo-inbox-divider:hover {
    background-color: var(--primary);
}

.demo-inbox-divider.dragging {
    background-color: var(--primary);
}

/* Right Pane: Email Detail */
.demo-inbox-detail-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--white);
    overflow: hidden;
    min-width: 400px;
}

/* Empty State for Detail Pane */
.demo-detail-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    text-align: center;
    color: var(--gray-400);
}

.demo-detail-empty-icon {
    margin-bottom: var(--space-4);
    color: var(--gray-300);
}

.demo-detail-empty h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: var(--space-2);
}

.demo-detail-empty p {
    font-size: var(--text-sm);
    color: var(--gray-400);
}

/* Email Detail Content */
.demo-detail-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Action Bar */
.demo-detail-actions {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

/* Email Header in Detail Pane */
.demo-detail-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
}

.demo-detail-header h2 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
    line-height: 1.3;
}

.demo-detail-content .demo-email-meta {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

/* Email Body in Detail Pane */
.demo-detail-content .demo-email-body {
    flex: 1;
    margin: 0;
    border-radius: 0;
    max-height: none;
    overflow: hidden;  /* Let iframe handle scrolling, not the container */
}

/* Iframe in detail pane should fill container */
.demo-detail-content .demo-email-body iframe {
    width: 100%;
    height: 100%;
    min-height: 300px;
    border: none;
    background: white;
}

/* Email List Items */
.demo-inbox-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.demo-inbox-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    background-color: var(--white);
    border: 1px solid transparent;
    border-radius: 6px;
    padding: var(--space-2) var(--space-3);
    transition: all 0.15s ease;
    cursor: pointer;
}

.demo-inbox-item:hover {
    background-color: var(--gray-100);
}

.demo-inbox-item.selected {
    background-color: #eff6ff;
    border-color: var(--primary);
}

.demo-inbox-item-select {
    display: flex;
    align-items: center;
    padding-top: 2px;
}

.demo-inbox-item-select input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.demo-inbox-item-content {
    flex: 1;
    min-width: 0;
}

.demo-inbox-item-actions {
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 0.15s;
}

.demo-inbox-item:hover .demo-inbox-item-actions {
    opacity: 1;
}

.demo-inbox-item-actions .btn-xs {
    padding: 2px 8px;
    font-size: 14px;
    line-height: 1;
    border-radius: 4px;
}

.demo-inbox-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2px;
}

.demo-inbox-sender {
    font-weight: 600;
    color: var(--gray-900);
    font-size: var(--text-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.demo-inbox-time {
    font-size: var(--text-xs);
    color: var(--gray-500);
    flex-shrink: 0;
    margin-left: var(--space-2);
}

.demo-inbox-subject {
    font-weight: 500;
    color: var(--gray-800);
    font-size: var(--text-sm);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.demo-inbox-preview {
    font-size: var(--text-xs);
    color: var(--gray-500);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Demo Email Detail Modal - keeping for backwards compatibility */
.dialog-lg {
    max-width: 700px;
    max-height: 80vh;
}

.demo-email-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--gray-200);
}

.demo-email-meta-item {
    display: flex;
    gap: var(--space-2);
    font-size: var(--text-sm);
}

.demo-email-meta-label {
    color: var(--gray-500);
    min-width: 70px;
    font-weight: 500;
}

.demo-email-body {
    font-family: 'Courier New', monospace;
    font-size: var(--text-sm);
    white-space: pre-wrap;
    line-height: 1.6;
    background-color: var(--gray-50);
    padding: var(--space-4);
    border-radius: 6px;
    max-height: 400px;
    overflow-y: auto;
}

/* Responsive adjustments for demo inbox */
@media (max-width: 1024px) {
    .demo-inbox-split-pane {
        flex-direction: column;
        height: auto;
        max-height: calc(100vh - 180px);
    }

    .demo-inbox-list-pane {
        flex: 0 0 auto;
        max-width: none;
        min-width: auto;
        max-height: 250px;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }

    .demo-inbox-divider {
        flex: 0 0 4px;
        cursor: row-resize;
    }

    .demo-inbox-detail-pane {
        flex: 1;
        min-width: auto;
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .demo-inbox-header {
        flex-direction: column;
        align-items: stretch;
    }

    .demo-inbox-controls {
        flex-wrap: wrap;
    }

    .demo-inbox-info {
        text-align: center;
    }

    .demo-inbox-split-pane {
        height: auto;
        min-height: 500px;
    }

    .demo-inbox-list-pane {
        max-height: 200px;
    }
}