:root {
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --bg-subtle: #f1f5f9;
    --bg-hover: #e2e8f0;

    --border-main: #e2e8f0;
    --border-light: #f1f5f9;

    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;

    --accent-blue: #2563eb;
    --accent-blue-soft: #eff6ff;
    --accent-green: #10b981;
    --accent-green-soft: #ecfdf5;
    --accent-amber: #d97706;
    --accent-amber-soft: #fffbeb;

    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-dev: 'Noto Sans Devanagari', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
}

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

body {
    background-color: var(--bg-page);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.5;
    overflow: hidden;
    height: 100vh;
}

.app-layout {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* ========================================================
   MINIMAL HIGH-DENSITY SIDEBAR
   ======================================================== */
.sidebar {
    width: 275px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-main);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.brand-bold { font-weight: 800; }
.brand-sub { color: var(--accent-blue); }

.badge-env {
    font-size: 0.65rem;
    font-weight: 700;
    background-color: var(--bg-subtle);
    color: var(--text-muted);
    padding: 3px 8px;
    border-radius: 9999px;
    border: 1px solid var(--border-main);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-menu {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-light);
    margin-bottom: 8px;
    padding-left: 8px;
}

.model-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    background-color: transparent;
    border: 1px solid transparent;
    transition: all 0.15s ease;
}

.model-nav-item:hover {
    background-color: var(--bg-subtle);
}

.model-nav-item.active {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-main);
}

.model-nav-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.dot-green { background-color: #10b981; box-shadow: 0 0 6px rgba(16, 185, 129, 0.4); }
.dot-blue { background-color: #0284c7; box-shadow: 0 0 6px rgba(2, 132, 199, 0.4); }
.dot-purple { background-color: #8b5cf6; box-shadow: 0 0 6px rgba(139, 92, 246, 0.4); }
.dot-amber { background-color: #d97706; box-shadow: 0 0 6px rgba(217, 119, 6, 0.4); }
.dot-orange { background-color: #ea580c; box-shadow: 0 0 6px rgba(234, 88, 12, 0.4); }
.dot-red { background-color: #ef4444; box-shadow: 0 0 6px rgba(239, 68, 68, 0.4); }

.model-nav-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.model-nav-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2px;
}

.model-nav-name {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.model-nav-meta {
    font-size: 0.69rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mini-score {
    font-size: 0.63rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 4px;
    font-family: var(--font-mono);
}
.mini-score.green { background: #ecfdf5; color: #059669; }
.mini-score.blue { background: #f0f9ff; color: #0284c7; }
.mini-score.purple { background: #f5f3ff; color: #7c3aed; }
.mini-score.amber { background: #fffbeb; color: #b45309; }
.mini-score.orange { background: #fff7ed; color: #c2410c; }
.mini-score.red { background: #fef2f2; color: #b91c1c; }

.sidebar-footer {
    padding: 14px 18px;
    border-top: 1px solid var(--border-main);
    background-color: var(--bg-surface);
}

.hw-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hw-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hw-val {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
}

.dot-live {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-green);
    display: inline-block;
}

/* ========================================================
   MAIN CONTENT AREA
   ======================================================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--bg-page);
}

.top-nav {
    height: 54px;
    padding: 0 28px;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.nav-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
}

.crumb-dim { color: var(--text-muted); }
.crumb-slash { color: var(--border-main); }
.crumb-active { font-weight: 600; color: var(--text-main); }

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

.btn-minimal {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-main);
    color: var(--text-main);
    font-size: 0.76rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
}

.btn-minimal:hover {
    background-color: var(--bg-subtle);
}

.btn-dark {
    background-color: var(--text-main);
    color: #ffffff;
    border: none;
    font-size: 0.76rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: opacity 0.15s;
}

.btn-dark:hover { opacity: 0.9; }

.scroll-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px 28px 48px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ========================================================
   HERO BANNER
   ======================================================== */
.model-hero {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.hero-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-top-badge {
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.8px;
    color: var(--accent-blue);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.hero-title-group h1 {
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
    margin-bottom: 4px;
}

.hero-desc {
    font-size: 0.84rem;
    color: var(--text-muted);
    max-width: 680px;
    line-height: 1.5;
}

.hero-meta-badges {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.7rem;
    font-weight: 600;
    background-color: var(--bg-subtle);
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: 9999px;
    border: 1px solid var(--border-main);
}

.badge-success { background: #ecfdf5 !important; color: #059669 !important; border-color: #a7f3d0 !important; font-weight: 700; }
.badge-info { background: #f0f9ff !important; color: #0284c7 !important; border-color: #bae6fd !important; font-weight: 700; }
.badge-purple { background: #f5f3ff !important; color: #7c3aed !important; border-color: #ddd6fe !important; font-weight: 700; }
.badge-warning { background: #fffbeb !important; color: #d97706 !important; border-color: #fde68a !important; font-weight: 700; }
.badge-danger { background: #fef2f2 !important; color: #dc2626 !important; border-color: #fecaca !important; font-weight: 700; }

/* ========================================================
   METRIC SCORECARDS (6-COLUMN DENSE GRID)
   ======================================================== */
.metrics-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
}

@media (max-width: 1400px) {
    .metrics-row { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 800px) {
    .metrics-row { grid-template-columns: repeat(2, 1fr); }
}

.metric-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

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

.m-title {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.m-sub-badge {
    font-size: 0.64rem;
    font-weight: 600;
    background: var(--bg-subtle);
    color: var(--text-muted);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-main);
}

.m-val-wrap {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 4px;
}

.m-val {
    font-size: 1.55rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
    font-family: var(--font-sans);
}

.m-hint {
    font-size: 0.69rem;
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========================================================
   CARD SECTION (CONTAINER)
   ======================================================== */
.card-section {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.card-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.sub-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--accent-blue);
    display: block;
    margin-bottom: 2px;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text-main);
}

.matrix-legend .legend-tip {
    font-size: 0.74rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ========================================================
   MASTER BENCHMARK TABLE
   ======================================================== */
.table-responsive {
    overflow-x: auto;
    border: 1px solid var(--border-main);
    border-radius: var(--radius-md);
}

.clean-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.79rem;
    text-align: left;
}

.clean-table th {
    padding: 10px 12px;
    font-size: 0.67rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    background-color: var(--bg-subtle);
    border-bottom: 1px solid var(--border-main);
    white-space: nowrap;
}

.clean-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-main);
    vertical-align: middle;
}

.table-row-model {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.table-row-model:hover {
    background-color: #f8fafc;
}

.table-row-model.active-row {
    background-color: #f0f7ff !important;
}

.table-row-model.active-row td {
    border-bottom-color: #bfdbfe;
}

.m-cell-name {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 190px;
}

.dot-cell {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.cell-sub {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 400;
}

.lang-pill {
    font-size: 0.71rem;
    font-weight: 600;
    background: var(--bg-subtle);
    padding: 2px 7px;
    border-radius: 4px;
    border: 1px solid var(--border-main);
    white-space: nowrap;
}

.lang-pill.red-text { color: #dc2626; border-color: #fecaca; }

.val-bold {
    font-weight: 800;
    font-family: var(--font-mono);
}
.val-bold.green { color: #059669; }
.val-bold.blue { color: #0284c7; }
.val-bold.purple { color: #7c3aed; }
.val-bold.amber { color: #d97706; }
.val-bold.orange { color: #ea580c; }
.val-bold.red { color: #dc2626; }

.badge-pill {
    display: inline-block;
    font-size: 0.69rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    white-space: nowrap;
}
.badge-pill.green { background: #ecfdf5; color: #059669; border: 1px solid #a7f3d0; }
.badge-pill.blue { background: #f0f9ff; color: #0284c7; border: 1px solid #bae6fd; }
.badge-pill.purple { background: #f5f3ff; color: #7c3aed; border: 1px solid #ddd6fe; }
.badge-pill.amber { background: #fffbeb; color: #b45309; border: 1px solid #fde68a; }
.badge-pill.orange { background: #fff7ed; color: #c2410c; border: 1px solid #fed7aa; }
.badge-pill.red { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* ========================================================
   AUDIO PLAYER BOX
   ======================================================== */
.audio-switch-pills {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.btn-sample {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-main);
    color: var(--text-muted);
    font-size: 0.74rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-sample:hover { color: var(--text-main); }

.btn-sample.active {
    background-color: var(--text-main);
    border-color: var(--text-main);
    color: #ffffff;
}

.player-box {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.player-left {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
    min-width: 280px;
}

.btn-play {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--text-main);
    color: #ffffff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.15s;
}

.btn-play:hover { transform: scale(1.05); }
.btn-play svg { width: 17px; height: 17px; }
.hidden { display: none !important; }

.player-details {
    display: flex;
    flex-direction: column;
}

.audio-name {
    font-size: 0.90rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 2px;
}

.audio-context {
    font-size: 0.73rem;
    color: var(--text-muted);
}

.player-right {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    min-width: 220px;
}

.time-box {
    font-size: 0.71rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    text-align: right;
}

.scrub-bar {
    height: 6px;
    background-color: #cbd5e1;
    border-radius: 9999px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.scrub-fill {
    height: 100%;
    width: 0%;
    background-color: var(--accent-blue);
    border-radius: 9999px;
    transition: width 0.05s linear;
}

/* KPI PILL ROW */
.audio-kpi-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.kpi-pill {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-main);
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    display: flex;
    gap: 6px;
    font-size: 0.73rem;
}

.kpi-lbl { color: var(--text-muted); font-weight: 500; }
.kpi-data { color: var(--text-main); font-weight: 700; font-family: var(--font-mono); }

/* ========================================================
   TRANSCRIPT TOOLBAR & VIEW MODES
   ======================================================== */
.transcript-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-light);
    flex-wrap: wrap;
    gap: 10px;
}

.view-mode-pills {
    display: flex;
    gap: 6px;
}

.btn-view-mode {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-main);
    color: var(--text-muted);
    font-size: 0.74rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s;
}

.btn-view-mode.active {
    background-color: var(--text-main);
    border-color: var(--text-main);
    color: #ffffff;
}

.sync-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.dot-pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent-blue);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

/* ========================================================
   TRANSCRIPT SIDE-BY-SIDE GRID
   ======================================================== */
.transcript-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 12px;
}

@media (max-width: 900px) {
    .transcript-grid { grid-template-columns: 1fr; }
}

.transcript-col {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.transcript-header {
    padding: 10px 14px;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.t-badge {
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.t-badge.gt { color: var(--text-muted); }
.t-badge.model { color: var(--accent-blue); }

.t-meta {
    font-size: 0.69rem;
    font-family: var(--font-mono);
    color: var(--text-light);
}

.transcript-text-body {
    padding: 14px;
    height: 380px;
    overflow-y: auto;
    font-size: 0.86rem;
    line-height: 1.6;
    background-color: var(--bg-surface);
}

.dialogue-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.dialogue-turn {
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-subtle);
    border: 1px solid transparent;
    transition: all 0.15s ease;
    cursor: pointer;
}

.dialogue-turn:hover {
    border-color: #cbd5e1;
    background-color: #f8fafc;
}

.dialogue-turn.active {
    background-color: #eff6ff;
    border-color: #93c5fd;
    box-shadow: 0 0 0 1px #bfdbfe;
}

.turn-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.turn-time {
    font-size: 0.67rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background-color: var(--bg-surface);
    padding: 1px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-main);
    transition: all 0.15s;
}

.dialogue-turn:hover .turn-time {
    background-color: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
}

.speaker-pill {
    font-size: 0.64rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.speaker-pill.agent {
    background-color: #e0f2fe;
    color: #0369a1;
}

.speaker-pill.customer {
    background-color: #f3e8ff;
    color: #7e22ce;
}

.turn-text {
    font-size: 0.86rem;
    line-height: 1.5;
    color: var(--text-main);
    font-family: var(--font-dev), var(--font-sans);
}

.transcript-text-body::-webkit-scrollbar,
.scroll-area::-webkit-scrollbar,
.sidebar-menu::-webkit-scrollbar {
    width: 6px;
}
.transcript-text-body::-webkit-scrollbar-thumb,
.scroll-area::-webkit-scrollbar-thumb,
.sidebar-menu::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.w-match {
    color: var(--text-main);
}

.w-sub {
    background-color: var(--accent-amber-soft);
    color: var(--accent-amber);
    border-bottom: 1.5px solid var(--accent-amber);
    padding: 1px 3px;
    border-radius: 3px;
    font-weight: 600;
}

.diff-guide {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.guide-title { font-weight: 700; }
.guide-chip { display: flex; align-items: center; gap: 6px; }
.marker { width: 8px; height: 8px; border-radius: 2px; }
.marker.green { background-color: var(--text-main); }
.marker.amber { background-color: var(--accent-amber); }

/* ========================================================
   TABS & TABLES
   ======================================================== */
.tabs-header {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-main);
    margin-bottom: 18px;
}

.tab-btn {
    background: none;
    border: none;
    font-size: 0.81rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 8px 14px 10px 14px;
    cursor: pointer;
    position: relative;
    transition: color 0.15s;
}

.tab-btn:hover { color: var(--text-main); }

.tab-btn.active {
    color: var(--text-main);
}

.tab-btn.active::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--text-main);
}

.tab-pane { display: none; }
.tab-pane.active { display: block; }

.tab-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

@media (max-width: 1000px) {
    .tab-two-col { grid-template-columns: 1fr; }
}

.chart-box, .table-box {
    background-color: var(--bg-subtle);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-md);
    padding: 16px;
}

.table-box.full-width { grid-column: 1 / -1; }

.box-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 2px;
}

.box-sub {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.chart-canvas {
    height: 230px;
    position: relative;
}


/* ========================================================
   MOBILE & TABLET RESPONSIVE STYLES
   ======================================================== */
.top-nav-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex: 1;
}

.sidebar-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 34px;
    height: 34px;
    padding: 7px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 0.15s ease;
}

.btn-hamburger:hover {
    background: var(--bg-hover);
}

.btn-hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    border-radius: 2px;
}

.btn-close-sidebar {
    display: none;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-main);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
}

.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.sidebar-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-model-bar {
    display: none;
}

.mobile-model-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    font-size: 0.74rem;
    font-weight: 700;
    padding: 7px 14px;
    border-radius: 9999px;
    background: var(--bg-surface);
    border: 1px solid var(--border-main);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.mobile-model-chip.active {
    background: var(--text-main);
    color: #ffffff;
    border-color: var(--text-main);
}

.chip-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.mobile-table-hint {
    display: none;
}

@media (max-width: 850px) {
    body {
        overflow-y: auto !important;
        height: auto !important;
        min-height: 100vh;
    }

    body.sidebar-open-locked {
        overflow: hidden !important;
    }

    .app-layout {
        flex-direction: column !important;
        height: auto !important;
        min-height: 100vh;
        width: 100% !important;
        overflow-x: hidden;
    }

    /* Off-canvas Sliding Sidebar Drawer */
    .sidebar {
        position: fixed !important;
        top: 0;
        left: 0;
        bottom: 0;
        width: 285px !important;
        max-width: 85vw;
        z-index: 1000 !important;
        transform: translateX(-100%);
        transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 6px 0 28px rgba(15, 23, 42, 0.25);
        background-color: var(--bg-surface);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .btn-hamburger {
        display: flex !important;
    }

    .btn-close-sidebar {
        display: flex !important;
    }

    .btn-hide-mobile {
        display: none !important;
    }

    .top-nav {
        height: 52px;
        padding: 0 12px;
    }

    .nav-breadcrumbs {
        font-size: 0.74rem;
    }

    .crumb-dim, .crumb-slash {
        display: none !important;
    }

    .crumb-active {
        font-size: 0.78rem;
        font-weight: 700;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 140px;
    }

    .scroll-area {
        padding: 12px 10px 40px 10px !important;
        gap: 12px !important;
        overflow: visible !important;
        height: auto !important;
    }

    /* Swipeable Horizontal Model Switcher on Phone */
    .mobile-model-bar {
        display: flex !important;
        gap: 8px;
        overflow-x: auto;
        padding: 2px 2px 8px 2px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .mobile-model-bar::-webkit-scrollbar {
        display: none;
    }

    .model-hero {
        padding: 14px 16px;
    }

    .hero-title-group h1 {
        font-size: 1.22rem;
    }

    .hero-desc {
        font-size: 0.78rem;
        line-height: 1.45;
    }

    /* 2-Column Responsive Metric Cards */
    .metrics-row {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }

    .metric-card {
        padding: 10px 12px;
    }

    .m-title {
        font-size: 0.64rem;
    }

    .m-sub-badge {
        font-size: 0.58rem;
        padding: 1px 4px;
    }

    .m-val {
        font-size: 1.35rem;
    }

    .m-hint {
        font-size: 0.63rem;
    }

    /* Master Table with Mobile Swipe Prompt & Sticky First Column */
    .mobile-table-hint {
        display: block !important;
        font-size: 0.70rem;
        font-weight: 600;
        color: var(--accent-blue);
        background: var(--accent-blue-soft);
        padding: 6px 10px;
        border-radius: var(--radius-sm);
        margin-bottom: 8px;
        text-align: center;
        border: 1px dashed #bfdbfe;
    }

    .table-responsive {
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius-md);
    }

    .master-table th:first-child,
    .master-table td:first-child {
        position: sticky;
        left: 0;
        background-color: var(--bg-surface);
        z-index: 2;
        box-shadow: 2px 0 6px rgba(0, 0, 0, 0.06);
    }

    .master-table th:first-child {
        background-color: var(--bg-subtle);
        z-index: 3;
    }

    /* Audio Player Responsive Stack */
    .player-box {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
        padding: 12px !important;
    }

    .player-left {
        min-width: 0 !important;
        gap: 12px !important;
    }

    .btn-play {
        width: 44px;
        height: 44px;
    }

    .audio-name {
        font-size: 0.85rem;
    }

    .audio-context {
        font-size: 0.70rem;
    }

    .player-right {
        min-width: 0 !important;
        width: 100% !important;
    }

    .audio-kpi-bar {
        gap: 6px;
    }

    .kpi-pill {
        padding: 4px 8px;
        font-size: 0.67rem;
    }

    .audio-switch-pills {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
        scrollbar-width: none;
    }
    .audio-switch-pills::-webkit-scrollbar { display: none; }

    /* Transcripts on Phone */
    .transcript-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    .transcript-text-body {
        height: 290px !important;
        padding: 10px !important;
        font-size: 0.82rem !important;
    }

    .dialogue-turn {
        padding: 8px 10px !important;
    }

    .turn-text {
        font-size: 0.82rem;
    }

    .turn-time {
        font-size: 0.66rem;
        padding: 3px 7px;
    }

    /* Metric Tabs on Phone */
    .tabs-header {
        overflow-x: auto !important;
        white-space: nowrap !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 4px !important;
    }
    .tabs-header::-webkit-scrollbar { display: none; }

    .tab-btn {
        flex-shrink: 0;
        font-size: 0.73rem !important;
        padding: 8px 10px 10px 10px !important;
    }

    .tab-two-col {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }

    .chart-canvas {
        height: 180px !important;
    }
}