/* ============================================
   TRANSLATION PREVIEW POPUP
   Interactive glassmorphism popup — 2025 design
   ============================================ */

/* Preview eye button in pack list */
.preview-btn {
    background: var(--info-muted) !important;
    color: var(--info) !important;
    border: none !important;
    width: 30px !important;
    height: 30px !important;
    border-radius: var(--radius-sm) !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-spring) !important;
    font-size: 12px !important;
    padding: 0 !important;
}

.preview-btn:hover {
    background: var(--info) !important;
    color: #fff !important;
    box-shadow: var(--info-glow) !important;
    transform: scale(1.12) !important;
}

/* Popup container */
.tp-popup {
    position: fixed;
    z-index: 10000;
    width: 380px;
    max-height: 520px;
    pointer-events: none;
    opacity: 0;
    transform: scale(0.92) translateY(8px);
    transition: opacity var(--duration-slow) var(--ease-out-expo),
                transform var(--duration-slow) var(--ease-spring);
    filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.45))
            drop-shadow(0 8px 16px rgba(0, 0, 0, 0.3));
}

.tp-popup.tp-visible {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

.tp-popup.tp-exit {
    opacity: 0;
    transform: scale(0.95) translateY(4px);
    pointer-events: none;
    transition-duration: var(--duration);
}

/* Arrow */
.tp-popup-arrow {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    transform: rotate(45deg);
    z-index: -1;
}

.tp-arrow-left {
    left: -6px;
    border-right: none;
    border-top: none;
}

.tp-arrow-right {
    right: -6px;
    border-left: none;
    border-bottom: none;
}

.tp-arrow-top {
    top: -6px;
    border-bottom: none;
    border-right: none;
}

/* Popup inner */
.tp-popup-inner {
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
}

/* Header */
.tp-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px 12px;
    border-bottom: 1px solid var(--border-subtle);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.04));
}

.tp-popup-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.tp-popup-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-muted);
    color: var(--brand-hover);
    border-radius: var(--radius-sm);
    font-size: 14px;
    flex-shrink: 0;
}

.tp-popup-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tp-popup-badge {
    font-size: 11px;
    font-weight: 600;
    color: var(--brand-hover);
    background: var(--brand-muted);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    white-space: nowrap;
    flex-shrink: 0;
}

.tp-popup-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--ease);
    flex-shrink: 0;
    margin-left: 8px;
    font-size: 13px;
}

.tp-popup-close:hover {
    background: var(--danger-muted);
    color: var(--danger);
}

/* Body */
.tp-popup-body {
    padding: 12px 16px 16px;
    max-height: 400px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-default) transparent;
}

.tp-popup-body::-webkit-scrollbar {
    width: 4px;
}

.tp-popup-body::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 4px;
}

/* Loading state */
.tp-popup-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 24px 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.tp-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-default);
    border-top-color: var(--brand);
    border-radius: 50%;
    animation: tpSpin 0.7s linear infinite;
}

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

/* Empty state */
.tp-popup-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 28px 0;
    color: var(--text-muted);
    font-size: 13px;
}

.tp-popup-empty i {
    font-size: 24px;
    opacity: 0.5;
}

/* Word grid */
.tp-word-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Word card */
.tp-word-card {
    background: var(--surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    transition: all var(--duration-fast) var(--ease-spring);
    animation: tpCardIn var(--duration-slow) var(--ease-out-expo) both;
}

@keyframes tpCardIn {
    from {
        opacity: 0;
        transform: translateY(6px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.tp-word-card:hover {
    border-color: var(--brand);
    background: var(--surface-card-hover);
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.15),
                0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateX(3px);
}

.tp-word-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.tp-word-text {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.tp-word-lang {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    background: var(--surface-overlay);
    padding: 2px 7px;
    border-radius: var(--radius-full);
}

.tp-word-details {
    display: flex;
    gap: 12px;
}

.tp-word-detail {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tp-detail-icon {
    font-size: 10px;
    margin-bottom: 2px;
}

.tp-syn-icon {
    color: var(--success);
}

.tp-opp-icon {
    color: var(--warning);
}

.tp-detail-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.tp-detail-value {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.tp-syn-val {
    color: var(--success);
}

.tp-opp-val {
    color: var(--warning);
}

.tp-muted {
    color: var(--text-muted);
    opacity: 0.5;
}

/* More badge */
.tp-more-badge {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--brand-hover);
    background: var(--brand-muted);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    margin-top: 6px;
    animation: tpCardIn var(--duration-slow) var(--ease-out-expo) both;
    animation-delay: 320ms;
}

/* Responsive */
@media (max-width: 640px) {
    .tp-popup {
        width: calc(100vw - 32px);
        max-width: 360px;
    }
}

/* ============================================
   TREE VIEW — Hierarchical Sources/Packs/Words
   ============================================ */

.view-toggle-btn {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-overlay);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    transition: all var(--duration-fast) var(--ease-spring);
    margin-left: auto;
}

.view-toggle-btn:hover {
    background: var(--brand-muted);
    border-color: var(--brand);
    color: var(--brand-hover);
    transform: scale(1.08);
}

.view-toggle-btn.compare-active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.35);
}

.tree-view {
    flex: 1;
    overflow-y: auto;
    padding-right: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-default) transparent;
}

.tree-view::-webkit-scrollbar {
    width: 4px;
}

.tree-view::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 4px;
}

.tree-node {
    margin-bottom: 2px;
}

.tree-node-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease);
    border: 1px solid transparent;
    user-select: none;
}

.tree-node-header:hover {
    background: var(--surface-card-hover);
    border-color: var(--border-default);
}

.tree-node-header.tree-active {
    background: var(--brand-muted);
    border-left: 3px solid var(--brand);
}

.tree-level-1 {
    padding-left: 24px;
}

.tree-chevron {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--text-muted);
    transition: transform var(--duration) var(--ease-spring);
    flex-shrink: 0;
}

.tree-chevron.expanded {
    transform: rotate(90deg);
}

.tree-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 11px;
    flex-shrink: 0;
}

.tree-icon-source {
    background: var(--info-muted);
    color: var(--info);
}

.tree-icon-pack {
    background: var(--brand-muted);
    color: var(--brand-hover);
}

.tree-icon-word {
    background: var(--success-muted);
    color: var(--success);
    width: 20px;
    height: 20px;
    font-size: 9px;
}

.tree-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tree-badge {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--surface-overlay);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    white-space: nowrap;
    flex-shrink: 0;
}

.tree-children {
    padding-left: 16px;
    border-left: 1px solid var(--border-subtle);
    margin-left: 20px;
    margin-top: 2px;
    animation: treeSlideIn var(--duration-slow) var(--ease-out-expo);
}

@keyframes treeSlideIn {
    from {
        opacity: 0;
        max-height: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        max-height: 2000px;
        transform: translateY(0);
    }
}

.tree-loading {
    padding: 10px 16px;
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tree-loading i {
    color: var(--brand);
}

.tree-empty {
    padding: 10px 16px;
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tree-leaf {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px 6px 36px;
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--ease);
    animation: treeLeafIn var(--duration) var(--ease-out-expo) both;
}

@keyframes treeLeafIn {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.tree-leaf:hover {
    background: var(--surface-interactive-hover);
}

.tree-word-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tree-word-tag {
    font-size: 10px;
    font-weight: 500;
    padding: 1px 6px;
    border-radius: var(--radius-full);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tree-tag-syn {
    background: var(--success-muted);
    color: var(--success);
}

.tree-tag-opp {
    background: var(--warning-muted);
    color: var(--warning);
}

.tree-more {
    padding: 6px 12px 6px 36px;
    font-size: 11px;
    font-weight: 600;
    color: var(--brand-hover);
}

/* ============================================
   PACK COMPARISON
   ============================================ */

.compare-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--brand-muted);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--brand-hover);
    margin-bottom: 8px;
    animation: tpCardIn var(--duration) var(--ease-out-expo);
}

.compare-count {
    margin-left: auto;
    background: var(--brand);
    color: #fff;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
}

.compare-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    cursor: pointer;
}

.compare-check input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.compare-checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-default);
    border-radius: 5px;
    transition: all var(--duration-fast) var(--ease-spring);
    display: flex;
    align-items: center;
    justify-content: center;
}

.compare-check input:checked ~ .compare-checkmark {
    background: var(--brand);
    border-color: var(--brand);
    box-shadow: 0 0 8px rgba(99, 102, 241, 0.4);
}

.compare-check input:checked ~ .compare-checkmark::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 10px;
    color: #fff;
}

.compare-selected {
    background: var(--brand-muted) !important;
    border-color: var(--brand) !important;
    box-shadow: inset 0 0 16px rgba(99, 102, 241, 0.08) !important;
}

/* Comparison Modal */
.compare-modal-content {
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    width: 90vw;
    max-width: 960px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    animation: modalEnter var(--duration-enter) var(--ease-out-expo);
    overflow: hidden;
}

@keyframes modalEnter {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.compare-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-subtle);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), rgba(139, 92, 246, 0.03));
}

.compare-modal-header h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.compare-modal-header h4 i {
    color: var(--brand);
}

.compare-modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--ease);
    font-size: 14px;
}

.compare-modal-close:hover {
    background: var(--danger-muted);
    color: var(--danger);
}

.compare-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 48px;
    color: var(--text-secondary);
    font-size: 14px;
}

.compare-loading i {
    font-size: 20px;
    color: var(--brand);
}

/* Stats */
.compare-stats {
    display: flex;
    gap: 12px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-subtle);
}

.compare-stat {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px;
    background: var(--surface-raised);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.compare-stat-val {
    font-size: 22px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.compare-stat-shared { color: var(--success); }
.compare-stat-left { color: var(--info); }
.compare-stat-right { color: var(--brand-hover); }
.compare-stat-diff { color: var(--warning); }

.compare-stat-lbl {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Filter tabs */
.compare-filter-row {
    display: flex;
    gap: 6px;
    padding: 12px 24px;
    border-bottom: 1px solid var(--border-subtle);
}

.compare-filter-btn {
    padding: 6px 14px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-spring);
}

.compare-filter-btn:hover {
    border-color: var(--brand);
    color: var(--brand-hover);
}

.compare-filter-btn.active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* Side-by-side panels */
.compare-panels {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.compare-panel-header {
    display: grid;
    grid-template-columns: 1fr 40px 1fr;
    padding: 10px 24px;
    background: var(--surface-raised);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 2;
}

.compare-panel-title {
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.compare-title-a {
    color: var(--info);
}

.compare-title-b {
    color: var(--brand-hover);
}

/* ???????????????????????????????????????????
   BATCH 2 FEATURES — New Styles
   ??????????????????????????????????????????? */

/* B1: Suggested Language Card (Gamification) */
.card-suggested-lang {
    border: 1px solid var(--warning);
    background: linear-gradient(135deg, rgba(245,158,11,0.08), transparent);
    position: relative;
    overflow: visible;
}
.card-suggested-lang .icon {
    color: var(--warning);
}
.card-suggested-lang .number {
    color: var(--warning);
    font-size: 20px;
}
.card-suggested-lang .label {
    font-size: 11px;
}
.card-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding: 5px 12px;
    background: var(--warning);
    color: #fff;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-spring);
    border: none;
    cursor: pointer;
}
.card-action-btn:hover {
    filter: brightness(1.15);
    transform: scale(1.04);
}

/* B2: Radar Chart in Compare Modal */
.lang-compare-radar-wrap {
    width: 100%;
    height: 260px;
    margin: 16px 0;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: var(--surface-base);
}
.lang-compare-radar-wrap canvas {
    width: 100%;
    height: 100%;
}

/* B3: Content Balance Mode Toggle */
.jrl-balance-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-default);
    background: transparent;
    color: var(--text-secondary);
    font-size: 15px;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-spring);
}
.jrl-balance-toggle:hover {
    border-color: var(--brand);
    color: var(--brand);
}
.jrl-balance-toggle.balance-active {
    background: var(--warning);
    border-color: var(--warning);
    color: #fff;
    box-shadow: 0 0 12px rgba(245,158,11,0.35);
}

/* B6: Language Activity Heatmap */
.audit-lang-heatmap-card {
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin: 20px 0;
    overflow: hidden;
}
.audit-lang-heatmap {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px 20px;
}
.audit-lang-heat-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    background: rgba(99,102,241, calc(var(--heat-intensity) * 0.5 + 0.05));
    border: 1px solid rgba(99,102,241, calc(var(--heat-intensity) * 0.3 + 0.1));
    min-width: 80px;
    transition: transform var(--duration-fast) var(--ease-spring);
}
.audit-lang-heat-cell:hover {
    transform: scale(1.05);
}
.audit-lang-heat-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}
.audit-lang-heat-count {
    font-size: 18px;
    font-weight: 800;
    color: var(--brand);
    font-variant-numeric: tabular-nums;
}
.audit-lang-heat-empty {
    color: var(--text-muted);
    font-size: 13px;
    padding: 20px;
}

/* B7: Weak Language Attention Badges in Sidebar */
.sidebar-lang-weak {
    border-top: 1px solid rgba(239,68,68,0.2);
    margin-top: 4px;
    padding-top: 4px;
}
.sidebar-lang-weak .sidebar-lang-title i {
    color: var(--danger);
}
.sidebar-lang-weak-item i {
    color: var(--danger) !important;
    font-size: 11px;
}
.sidebar-lang-count-weak {
    color: var(--danger) !important;
    font-weight: 700;
}

/* B9: Export button (uses lang-view-toggle already styled) */

/* B11: Night Shift mode for Knowledge Graph */
.graph-btn-active {
    background: var(--warning) !important;
    border-color: var(--warning) !important;
    color: #111 !important;
}
.graph-container.night-shift {
    filter: brightness(0.65) saturate(0.7);
    background: #050810;
}
.graph-container.night-shift canvas {
    opacity: 0.8;
}

/* B12: Incomplete Words Filter */
.dict-incomplete-filter {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 12px;
}
.dict-incomplete-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}
.dict-incomplete-toggle input[type="checkbox"] {
    accent-color: var(--warning);
    width: 15px;
    height: 15px;
}
.dict-incomplete-toggle i {
    color: var(--warning);
}
.dict-incomplete-count {
    color: var(--warning);
    font-weight: 600;
    font-size: 11px;
}

/* B13: Stagger Card Animation */
@keyframes lang-card-fadein {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}
.lang-card-stagger {
    animation: lang-card-fadein 0.4s ease-out both;
}

/* B15: Gamification Score Badge */
.jrl-score-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(245,158,11,0.05));
    border: 1px solid rgba(245,158,11,0.3);
    border-radius: var(--radius-full);
    color: var(--warning);
    font-size: 12px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.jrl-score-badge i {
    font-size: 13px;
}

/* B5: Pack Suggestion (reuses .lang-suggestion already styled) */

/* B14: Timeline Donut Section */
.timeline-donut-section {
    margin: 20px 0;
}
.timeline-donut-controls {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 20px;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-subtle);
}
.timeline-donut-controls input[type="range"] {
    flex: 1;
    max-width: 260px;
    accent-color: var(--brand);
    height: 6px;
}
.timeline-donut-controls label {
    white-space: nowrap;
}
.timeline-donut-controls strong {
    color: var(--brand);
}
.timeline-donut-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 12px;
}

.compare-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 8px 24px 24px;
    scrollbar-width: thin;
    scrollbar-color: var(--border-default) transparent;
}

.compare-scroll::-webkit-scrollbar {
    width: 4px;
}

.compare-scroll::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 4px;
}

.compare-row {
    display: grid;
    grid-template-columns: 1fr 40px 1fr;
    gap: 0;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--duration-fast) var(--ease);
    animation: compareRowIn var(--duration) var(--ease-out-expo) both;
}

@keyframes compareRowIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.compare-row:hover {
    background: var(--surface-interactive-hover);
}

.compare-row-shared {
    border-left: 3px solid var(--success);
    padding-left: 8px;
}

.compare-row-diff {
    border-left: 3px solid var(--warning);
    padding-left: 8px;
    background: rgba(245, 158, 11, 0.03);
}

.compare-row-only-left {
    border-left: 3px solid var(--info);
    padding-left: 8px;
}

.compare-row-only-right {
    border-left: 3px solid var(--brand-hover);
    padding-left: 8px;
}

.compare-cell {
    min-width: 0;
}

.compare-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.compare-word {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.compare-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.compare-meta-syn,
.compare-meta-opp {
    font-size: 11px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-secondary);
}

.compare-meta-syn i { color: var(--success); }
.compare-meta-opp i { color: var(--warning); }

.compare-highlight {
    background: rgba(245, 158, 11, 0.15);
    padding: 1px 6px;
    border-radius: 4px;
    color: var(--warning) !important;
    font-weight: 600;
}

.compare-absent {
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.6;
}

.compare-empty {
    text-align: center;
    padding: 32px;
    color: var(--text-muted);
    font-size: 13px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.compare-empty i {
    font-size: 24px;
    color: var(--success);
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
    .compare-modal-content {
        width: 96vw;
        max-height: 90vh;
    }
    .compare-stats {
        flex-wrap: wrap;
    }
    .compare-stat {
        min-width: calc(50% - 8px);
    }
    .compare-filter-row {
        flex-wrap: wrap;
    }
}

/* ============================================
   SOUND RECORDER — Mobile Card Layout
   ============================================ */
.sr-mobile-cards {
    display: none;
}

.sr-card {
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 12px;
    transition: border-color 200ms ease, box-shadow 200ms ease;
}

.sr-card:hover {
    border-color: var(--border-interactive);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.sr-card-sentence {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.5;
}

.sr-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.sr-card-gender {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.sr-card-actions button {
    flex: 1;
}

@media (max-width: 768px) {
    .sr-desktop-table {
        display: none !important;
    }
    .sr-mobile-cards {
        display: block;
    }
}