/* ========================================================================
   BRIEFLY QA — MATERIAL DESIGN 3 ENTERPRISE STYLESHEET v3.0
   Psychologically-grounded color system:
     Indigo/Violet primary  → Trust, authority, processing depth (PFC activation)
     Emerald success        → Safety signal, completion, dopamine trigger
     Amber warning          → Focused attention without threat response
     Rose/Red danger        → Amygdala alert, compliance breach, urgency
   ======================================================================== */

/* ── MD3 Design Token System ─────────────────────────────────────────── */
:root {
    /* Primary — Indigo (Trust + Authority) */
    --md-primary: #6366F1;
    --md-primary-light: #818CF8;
    --md-primary-dark: #4338CA;
    --md-on-primary: #FFFFFF;
    --md-primary-container: rgba(99, 102, 241, 0.12);

    /* Secondary — Violet */
    --md-secondary: #8B5CF6;
    --md-secondary-light: #A78BFA;

    /* Semantic Signals (Psychological) */
    --md-success: #10B981;
    /* Emerald — safe, resolved */
    --md-success-bg: rgba(16, 185, 129, 0.12);
    --md-warning: #F59E0B;
    /* Amber — caution, not threat */
    --md-warning-bg: rgba(245, 158, 11, 0.12);
    --md-error: #EF4444;
    /* Rose Red — amygdala alert */
    --md-error-bg: rgba(239, 68, 68, 0.12);

    /* Neutral Surface System (MD3 Tonal) */
    --md-bg: #0F172A;
    /* Deep Slate 900 */
    --md-surface: #1E293B;
    /* Slate 800 */
    --md-surface-2: #263548;
    /* Slightly elevated */
    --md-surface-3: #2D3F56;
    /* Higher elevation */
    --md-outline: rgba(148, 163, 184, 0.15);
    --md-outline-variant: rgba(148, 163, 184, 0.08);

    /* Typography (MD3 type scale) */
    --md-on-bg: #E2E8F0;
    /* Primary text */
    --md-on-surface: #CBD5E1;
    /* Body text */
    --md-on-surface-muted: #94A3B8;
    /* Subdued text */
    --md-on-surface-faint: #475569;
    /* Disabled/placeholder */

    /* MD3 Shape (corner radius tokens) */
    --md-corner-xs: 4px;
    --md-corner-sm: 8px;
    --md-corner-md: 12px;
    --md-corner-lg: 16px;
    --md-corner-xl: 24px;
    --md-corner-full: 9999px;

    /* Elevation (shadow tokens — MD3 uses tonal elevation) */
    --md-elevation-1: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --md-elevation-2: 0 4px 6px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.15);
    --md-elevation-3: 0 10px 24px rgba(0, 0, 0, 0.35), 0 4px 10px rgba(0, 0, 0, 0.2);

    /* Spacing (8pt grid) */
    --s1: 4px;
    --s2: 8px;
    --s3: 12px;
    --s4: 16px;
    --s5: 20px;
    --s6: 24px;
    --s7: 28px;
    --s8: 32px;
    --s10: 40px;
    --s12: 48px;

    /* Animation */
    --md-duration-short: 150ms;
    --md-duration-medium: 250ms;
    --md-duration-long: 400ms;
    --md-easing: cubic-bezier(0.2, 0, 0, 1);
}

/* ── Reset & Base ────────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Critical: ensure [hidden] attribute always wins over CSS display rules */
[hidden] {
    display: none !important;
}

/* Pre-define Material Symbols geometry to fully eliminate Layout Shift / FOUT */
.material-symbols-rounded {
    display: inline-block;
    width: 1em;
    /* Default Material Symbol optical size bounds */
    height: 1em;
    font-size: 24px;
    line-height: 1;
    white-space: nowrap;
    overflow: hidden;
    vertical-align: middle;
    letter-spacing: normal;
    text-transform: none;
    /* Hide ligature text until font loads */
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', 'Roboto', system-ui, sans-serif;
    background-color: var(--md-bg);
    color: var(--md-on-bg);
    line-height: 1.6;
    min-height: 100vh;
    /* Subtle grid pattern — adds depth without cognitive distraction */
    background-image:
        linear-gradient(to bottom, rgba(99, 102, 241, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 0%, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
    background-attachment: fixed;
}

/* ── Material Symbols ────────────────────────────────────────────────── */
.material-symbols-rounded {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    font-size: 1.25rem;
    vertical-align: text-bottom;
    line-height: 1;
    user-select: none;
}

/* ── Status Bar ──────────────────────────────────────────────────────── */
.app-status-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 36px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--md-outline);
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: 0 var(--s6);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--md-on-surface-muted);
    z-index: 1000;
    letter-spacing: 0.02em;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: var(--md-corner-full);
    background: var(--md-success);
    box-shadow: 0 0 6px var(--md-success);
    animation: pulse 2.4s ease-in-out infinite;
}

.status-offline .status-indicator {
    background: var(--md-error);
    box-shadow: 0 0 6px var(--md-error);
    animation: none;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.45;
    }
}

/* ── Layout Shell ────────────────────────────────────────────────────── */
.app-container {
    max-width: 900px;
    margin: 0 auto;
    padding: calc(36px + var(--s8)) var(--s4) var(--s8);
}

/* ── Header ──────────────────────────────────────────────────────────── */
.app-header {
    display: flex;
    align-items: center;
    gap: var(--s4);
    margin-bottom: var(--s6);
}

.app-logo {
    width: 52px;
    height: 52px;
    border-radius: var(--md-corner-lg);
    background: var(--md-primary-container);
    border: 1px solid rgba(99, 102, 241, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.app-logo .material-symbols-rounded {
    font-size: 1.75rem;
    color: var(--md-primary-light);
}

.app-title-group h1 {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--md-on-bg);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: var(--s2);
}

.header-badge {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    background: var(--md-primary);
    color: white;
    padding: 3px 8px;
    border-radius: var(--md-corner-full);
    vertical-align: middle;
}

.app-tagline {
    font-size: 0.8rem;
    color: var(--md-on-surface-muted);
    margin-top: 2px;
}

/* ── Main Card ───────────────────────────────────────────────────────── */
.main-content-card {
    background: var(--md-surface);
    border-radius: var(--md-corner-xl);
    border: 1px solid var(--md-outline);
    box-shadow: var(--md-elevation-3);
    overflow: hidden;
    position: relative;
}

/* ── Tab Navigation (MD3 Primary Tabs) ──────────────────────────────── */
.tab-navigation {
    display: flex;
    border-bottom: 1px solid var(--md-outline);
    background: rgba(15, 23, 42, 0.5);
    padding: 0 var(--s4);
    gap: var(--s1);
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s3) var(--s4);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--md-on-surface-muted);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition:
        color var(--md-duration-short) var(--md-easing),
        border-color var(--md-duration-short) var(--md-easing);
    -webkit-tap-highlight-color: transparent;
    position: relative;
    white-space: nowrap;
    /* MD3 state layer on hover */
}

.nav-tab::after {
    content: '';
    position: absolute;
    inset: 4px 0;
    border-radius: var(--md-corner-sm);
    background: var(--md-primary);
    opacity: 0;
    transition: opacity var(--md-duration-short) var(--md-easing);
}

.nav-tab:hover {
    color: var(--md-on-surface);
}

.nav-tab:hover::after {
    opacity: 0.06;
}

.nav-tab:focus-visible {
    outline: 2px solid var(--md-primary);
    outline-offset: -2px;
}

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

.nav-tab .material-symbols-rounded {
    font-size: 1.1rem;
}

/* ── Content Panels ──────────────────────────────────────────────────── */
.content-panel {
    display: none;
    padding: var(--s6);
    animation: fadeSlideIn var(--md-duration-medium) var(--md-easing);
}

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

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Input Groups ────────────────────────────────────────────────────── */
.input-field-group {
    margin-bottom: var(--s4);
}

.field-label {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s2);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.field-label .material-symbols-rounded {
    font-size: 1rem;
}

/* ── Dropzone ────────────────────────────────────────────────────────── */
.upload-dropzone {
    border: 1.5px dashed var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s8) var(--s6);
    text-align: center;
    cursor: pointer;
    transition:
        border-color var(--md-duration-short) var(--md-easing),
        background var(--md-duration-short) var(--md-easing);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s2);
}

.upload-dropzone:hover,
.upload-dropzone:focus-visible,
.upload-dropzone.drag-over {
    border-color: var(--md-primary);
    background: var(--md-primary-container);
    outline: none;
}

.dropzone-icon {
    font-size: 2.5rem !important;
    color: var(--md-primary-light);
    opacity: 0.7;
}

.dropzone-text {
    font-size: 0.9rem;
    color: var(--md-on-surface-muted);
}

.dropzone-hint {
    font-size: 0.72rem;
    color: var(--md-on-surface-faint);
}

.highlight {
    color: var(--md-primary-light);
    font-weight: 600;
}

/* ── File Chip ───────────────────────────────────────────────────────── */
.file-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    background: var(--md-primary-container);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--md-corner-full);
    padding: var(--s2) var(--s3);
    font-size: 0.82rem;
    color: var(--md-primary-light);
    max-width: 100%;
}

.file-chip .material-symbols-rounded {
    font-size: 1rem;
}

.file-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 280px;
}

.chip-remove {
    background: none;
    border: none;
    color: var(--md-on-surface-muted);
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    padding: 0 var(--s1);
    border-radius: var(--md-corner-full);
    transition: color var(--md-duration-short);
}

.chip-remove:hover {
    color: var(--md-error);
}

/* ── Textarea ────────────────────────────────────────────────────────── */
.modern-textarea {
    width: 100%;
    background: transparent;
    border: 1.5px solid rgba(99, 102, 241, 0.4);
    border-radius: var(--md-corner-lg);
    color: var(--md-on-bg);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--s3) var(--s4);
    resize: none;
    overflow: hidden;
    min-height: 80px;
    transition: border-color var(--md-duration-short) var(--md-easing),
        background var(--md-duration-short) var(--md-easing);
}

.modern-textarea:hover {
    background: var(--md-primary-container);
    border-color: var(--md-primary);
}

.modern-textarea:focus {
    outline: none;
    border-color: var(--md-primary);
    background: var(--md-primary-container);
}

.modern-textarea::placeholder {
    color: rgba(129, 140, 248, 0.55);
    /* --md-primary-light at 55% — matches btn-outline tone */
    font-weight: 400;
}

.modern-textarea:disabled {
    opacity: 0.38;
    cursor: not-allowed;
    pointer-events: none;
    border-color: var(--md-outline);
    background: transparent;
    color: var(--md-on-surface-faint);
}

/* ── Buttons (MD3) ───────────────────────────────────────────────────── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    width: 100%;
    padding: var(--s3) var(--s6);
    background: var(--md-primary);
    color: var(--md-on-primary);
    border: none;
    border-radius: var(--md-corner-full);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition:
        background var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing),
        box-shadow var(--md-duration-short) var(--md-easing);
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover:not(:disabled) {
    background: var(--md-primary-light);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.5);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.38;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-primary .material-symbols-rounded {
    font-size: 1.15rem;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    padding: var(--s3) var(--s5);
    background: var(--md-surface-2);
    color: var(--md-on-surface);
    border: 1.5px solid var(--md-outline);
    border-radius: var(--md-corner-full);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
}

.btn-secondary:hover {
    background: var(--md-surface-3);
    border-color: var(--md-primary);
    color: var(--md-primary-light);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    width: 100%;
    padding: var(--s3) var(--s5);
    background: transparent;
    color: var(--md-primary-light);
    border: 1.5px solid rgba(99, 102, 241, 0.4);
    border-radius: var(--md-corner-full);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--md-duration-short) var(--md-easing);
}

.btn-outline:hover:not(:disabled) {
    background: var(--md-primary-container);
    border-color: var(--md-primary);
}

.btn-outline.recording {
    color: var(--md-error);
    border-color: var(--md-error);
    background: var(--md-error-bg);
    animation: recordPulse 1.2s ease-in-out infinite;
}

@keyframes recordPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(239, 68, 68, 0.2);
    }
}

/* ════════════════════════════════════════════════════════════════════════
   AUDIT DASHBOARD COMPONENTS (Milestone 2)
   ════════════════════════════════════════════════════════════════════════ */

/* ── Result Container ─────────────────────────────────────────────────── */
.result-container {
    display: flex;
    flex-direction: column;
    gap: var(--s4);
}

/* ── KPI Row: At-a-Glance Scores ─────────────────────────────────────── */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s3);
}

.kpi-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s4) var(--s3);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--s2);
    transition: border-color var(--md-duration-short) var(--md-easing),
        box-shadow var(--md-duration-short) var(--md-easing);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    /* Colored tonal top-bar — encodes meaning spatially before reading */
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--md-outline);
    transition: background var(--md-duration-medium) var(--md-easing);
}

.kpi-card.kpi-green::before {
    background: var(--md-success);
}

.kpi-card.kpi-amber::before {
    background: var(--md-warning);
}

.kpi-card.kpi-red::before {
    background: var(--md-error);
}

.kpi-card.kpi-green {
    border-color: rgba(16, 185, 129, 0.25);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.06);
}

.kpi-card.kpi-amber {
    border-color: rgba(245, 158, 11, 0.25);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.06);
}

.kpi-card.kpi-red {
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.08);
}

.kpi-icon .material-symbols-rounded {
    font-size: 1.5rem;
    color: var(--md-primary-light);
}

.kpi-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--md-on-surface-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.kpi-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--md-on-bg);
    line-height: 1.1;
}

.kpi-green .kpi-value {
    color: var(--md-success);
}

.kpi-amber .kpi-value {
    color: var(--md-warning);
}

.kpi-red .kpi-value {
    color: var(--md-error);
}

/* KPI card icon tints to match semantic state — icon + value + top-bar all consistent */
.kpi-card.kpi-green .kpi-icon .material-symbols-rounded { color: var(--md-success); }
.kpi-card.kpi-amber .kpi-icon .material-symbols-rounded { color: var(--md-warning); }
.kpi-card.kpi-red   .kpi-icon .material-symbols-rounded { color: var(--md-error);   }

/* ── Summary Card ─────────────────────────────────────────────────────── */
.summary-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s4) var(--s5);
}

.summary-text {
    font-size: 0.9rem;
    color: var(--md-on-surface);
    line-height: 1.7;
    margin-top: var(--s2);
}

/* ── Detail Label (reused) ────────────────────────────────────────────── */
.detail-label {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s2);
}

.detail-label .material-symbols-rounded {
    font-size: 1rem;
    color: var(--md-primary-light);
}

/* ── Visualization Grid ────────────────────────────────────────────────── */
.viz-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s4);
}

.viz-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s4);
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

.viz-card-header {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s3);
    padding-bottom: var(--s3);
    border-bottom: 1px solid var(--md-outline-variant);
}

.viz-card-header .material-symbols-rounded {
    font-size: 1rem;
    color: var(--md-primary-light);
}

.chart-wrapper {
    flex: 1;
    position: relative;
    min-height: 220px;
}

.echarts-container {
    flex: 1;
    width: 100%;
    min-height: 220px;
}

.chart-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--md-on-surface-faint);
    font-size: 0.8rem;
    font-style: italic;
}

/* ── Audit Detail Cards: Flags & Nudges ──────────────────────────────── */
.audit-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s4);
}

.audit-detail-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s4);
    transition:
        border-color var(--md-duration-medium) var(--md-easing),
        box-shadow var(--md-duration-medium) var(--md-easing);
}

.flags-card {
    /* border driven by JS riskClass — see .flags-card.kpi-* below */
}

.flags-card.kpi-green {
    border-color: rgba(16, 185, 129, 0.22);
}

.flags-card.kpi-amber {
    border-color: rgba(245, 158, 11, 0.22);
}

.flags-card.kpi-red {
    border-color: rgba(239, 68, 68, 0.28);
    box-shadow: 0 0 14px rgba(239, 68, 68, 0.06);
}

/* Flags card header icon tints with live compliance_risk — MD3 adaptive */
.flags-card.kpi-green .detail-label .material-symbols-rounded { color: var(--md-success); }
.flags-card.kpi-amber .detail-label .material-symbols-rounded { color: var(--md-warning); }
.flags-card.kpi-red   .detail-label .material-symbols-rounded { color: var(--md-error);   }

/* Nudges card header icon — constructive amber (coaching, not threat) */
.nudges-card .detail-label .material-symbols-rounded { color: var(--md-warning); }

/* ── Section Heading (transcript + audio block headers) ───────────────── */
.section-heading {
    display: flex;
    align-items: center;
    gap: var(--s2);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--md-on-bg);
    letter-spacing: 0;
    text-transform: none;
}

.section-heading .material-symbols-rounded {
    font-size: 1.15rem;
    color: var(--md-primary-light);
    flex-shrink: 0;
}

/* ── Transcript container + Audio playback block ──────────────────────── */
.transcription-container,
.audio-playback-block {
    padding: var(--s4);
    background: rgba(30, 41, 59, 0.4);
    border-radius: var(--md-corner-lg);
    border: 1px solid var(--md-outline);
}

.detail-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--s2);
    margin-top: var(--s2);
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--s2);
    font-size: 0.82rem;
    color: var(--md-on-surface);
    line-height: 1.5;
}

.detail-item .material-symbols-rounded {
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.flag-item {
    color: #FCA5A5;
}

.flag-item .material-symbols-rounded {
    color: var(--md-error);
}

.no-issue {
    color: var(--md-success);
}

.no-issue .material-symbols-rounded {
    color: var(--md-success);
}

.nudge-item .material-symbols-rounded {
    color: var(--md-warning);
}

/* All-clear state when no nudges returned — mirrors .no-issue */
.no-nudges {
    color: var(--md-success);
    font-style: italic;
    opacity: 0.85;
}

.no-nudges .material-symbols-rounded {
    color: var(--md-success);
}

/* ── Transcript Accordion ─────────────────────────────────────────────── */
.detail-accordion {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    overflow: hidden;
}

.accordion-summary {
    display: flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s3) var(--s4);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--md-on-surface-muted);
    cursor: pointer;
    user-select: none;
    border-radius: var(--md-corner-lg);
    transition: background var(--md-duration-short);
    list-style: none;
}

.accordion-summary::-webkit-details-marker {
    display: none;
}

.accordion-summary::before {
    content: 'expand_more';
    font-family: 'Material Symbols Rounded';
    font-size: 1.2rem;
    color: var(--md-primary-light);
    transition: transform var(--md-duration-medium) var(--md-easing);
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

details[open] .accordion-summary::before {
    transform: rotate(180deg);
}

.accordion-summary:hover {
    background: var(--md-primary-container);
}

.detail-accordion .detail-content {
    padding: var(--s1) var(--s5) var(--s4);
    font-size: 0.85rem;
    color: var(--md-on-surface);
    line-height: 1.75;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 360px;
    overflow-y: auto;
}

.detail-content p {
    margin-bottom: var(--s2);
}

/* ── HITL Panel (Human-in-the-Loop) ─────────────────────────────────── */
.hitl-panel {
    background: var(--md-surface-2);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--md-corner-lg);
    padding: var(--s4) var(--s5);
    /* Glass accent on top */
    border-top: 2px solid var(--md-primary);
}

.hitl-header {
    display: flex;
    align-items: center;
    gap: var(--s2);
    margin-bottom: var(--s1);
}

.hitl-header .material-symbols-rounded {
    color: var(--md-primary-light);
}

.hitl-header strong {
    font-size: 0.9rem;
    color: var(--md-on-bg);
}

.hitl-badge {
    margin-left: auto;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: var(--md-corner-full);
    background: var(--md-surface-3);
    color: var(--md-on-surface-muted);
    border: 1px solid var(--md-outline);
}

.hitl-badge.badge-green {
    background: var(--md-success-bg);
    color: var(--md-success);
    border-color: rgba(16, 185, 129, 0.3);
}

.hitl-badge.badge-warn {
    background: var(--md-warning-bg);
    color: var(--md-warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.hitl-badge.badge-red {
    background: var(--md-error-bg);
    color: var(--md-error);
    border-color: rgba(239, 68, 68, 0.3);
}

.hitl-subtitle {
    font-size: 0.78rem;
    color: var(--md-on-surface-muted);
    margin-bottom: var(--s3);
}

.hitl-actions {
    display: flex;
    gap: var(--s2);
    flex-wrap: wrap;
}

.hitl-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    padding: var(--s2) var(--s4);
    border-radius: var(--md-corner-full);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid;
    transition: all var(--md-duration-short) var(--md-easing);
}

.hitl-approve {
    color: var(--md-success);
    border-color: rgba(16, 185, 129, 0.4);
    background: var(--md-success-bg);
}

.hitl-approve:hover:not(:disabled) {
    background: rgba(16, 185, 129, 0.2);
}

.hitl-flag {
    color: var(--md-warning);
    border-color: rgba(245, 158, 11, 0.4);
    background: var(--md-warning-bg);
}

.hitl-flag:hover:not(:disabled) {
    background: rgba(245, 158, 11, 0.2);
}

.hitl-reject {
    color: var(--md-error);
    border-color: rgba(239, 68, 68, 0.4);
    background: var(--md-error-bg);
}

.hitl-reject:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.2);
}

.hitl-btn:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.hitl-btn .material-symbols-rounded {
    font-size: 1rem;
}

.hitl-status {
    margin-top: var(--s3);
    font-size: 0.8rem;
    padding: var(--s2) var(--s3);
    border-radius: var(--md-corner-md);
    font-weight: 500;
}

.hitl-status.success {
    background: var(--md-success-bg);
    color: var(--md-success);
}

.hitl-status.warning {
    background: var(--md-warning-bg);
    color: var(--md-warning);
}

.hitl-status.error {
    background: var(--md-error-bg);
    color: var(--md-error);
}

/* ── Action Grid ──────────────────────────────────────────────────────── */
.action-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--s3);
    align-items: center;
}

/* ── History Archive ──────────────────────────────────────────────────── */
.history-scroll {
    display: flex;
    flex-direction: column;
    gap: var(--s3);
    max-height: 500px;
    overflow-y: auto;
    padding-right: var(--s1);
}

.history-card {
    background: var(--md-surface-2);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-corner-lg);
    padding: var(--s3) var(--s4);
    cursor: pointer;
    transition:
        border-color var(--md-duration-short) var(--md-easing),
        background var(--md-duration-short) var(--md-easing),
        transform var(--md-duration-short) var(--md-easing);
}

.history-card:hover {
    border-color: var(--md-primary);
    background: var(--md-primary-container);
    transform: translateX(3px);
}

.history-header {
    display: flex;
    align-items: center;
    gap: var(--s2);
    margin-bottom: var(--s1);
    font-size: 0.72rem;
}

.item-type {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--md-primary-light);
    background: var(--md-primary-container);
    border-radius: var(--md-corner-full);
    padding: 1px 8px;
}

.item-type .material-symbols-rounded {
    font-size: 0.85rem;
}

/* VOICE badge stays indigo (audio/mic); TEXT badge uses secondary violet (document) */
.item-type.type-voice {
    color: var(--md-primary-light);
    background: var(--md-primary-container);
}

.item-type.type-text {
    color: var(--md-secondary-light);
    background: rgba(139, 92, 246, 0.12);
}

.item-time {
    color: var(--md-on-surface-faint);
    margin-left: auto;
}

.item-f1 {
    color: var(--md-on-surface-muted);
    font-weight: 600;
}

.item-risk {
    display: inline-flex;
    align-items: center;
    gap: var(--s1);
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 1px 8px;
    border-radius: var(--md-corner-full);
}

.item-risk .material-symbols-rounded {
    font-size: 0.85rem;
}

.item-risk.risk-green {
    background: var(--md-success-bg);
    color: var(--md-success);
}

.item-risk.risk-amber {
    background: var(--md-warning-bg);
    color: var(--md-warning);
}

.item-risk.risk-red {
    background: var(--md-error-bg);
    color: var(--md-error);
}

.item-risk.risk-unknown {
    background: var(--md-surface-3);
    color: var(--md-on-surface-muted);
}

.item-preview {
    font-size: 0.82rem;
    color: var(--md-on-surface-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s2);
    padding: var(--s10) var(--s4);
    color: var(--md-on-surface-muted);
    font-size: 0.85rem;
    text-align: center;
    opacity: 0.6;
}

/* ── Loading Overlay ─────────────────────────────────────────────────── */
.app-overlay-loader {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--s4);
    border-radius: var(--md-corner-xl);
    z-index: 100;
}

.spinner-wrap {
    position: relative;
    width: 44px;
    height: 44px;
}

.m3-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--md-primary);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    transition: border-top-color 0.3s ease, border-color 0.3s ease;
}

.ft-badge {
    position: absolute;
    bottom: -6px;
    right: -6px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #22c55e;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 3px var(--md-surface-2), 0 0 12px rgba(34,197,94,0.5);
    animation: ftBadgePop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.ft-badge .material-symbols-rounded {
    font-size: 14px;
    color: #fff;
    font-variation-settings: 'FILL' 1;
}

@keyframes ftBadgePop {
    from { opacity: 0; transform: scale(0); }
    to   { opacity: 1; transform: scale(1); }
}

/* Spinner turns green when fast-tracked */
.fast-tracked .m3-spinner {
    border-color: rgba(34, 197, 94, 0.2);
    border-top-color: #22c55e;
}

/* Loader text mirrors fast-track green */
.fast-tracked .loader-msg {
    color: #22c55e;
    font-weight: 600;
    text-shadow: 0 0 12px rgba(34, 197, 94, 0.35);
    animation: ftTextPulse 1.4s ease-in-out infinite;
}

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

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

.loader-msg {
    font-size: 0.85rem;
    color: var(--md-on-surface-muted);
    animation: loadPulse 1.5s ease-in-out infinite;
}

@keyframes loadPulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

/* ── Transcribe Now panel (inside loader overlay) ─────────────────── */
/* ── Transcribe Now panel (inside loader overlay) ─────────────────── */
.tnp-minimal-wrapper {
    margin-top: var(--s4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--s3);
    animation: fadeUp 0.35s ease;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-fast-track {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    padding: var(--s2) var(--s4);
    border-radius: var(--md-corner-full);
    border: 1px solid var(--md-outline);
    background: transparent;
    color: var(--md-on-surface-muted);
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--md-duration-short) ease;
}

.btn-fast-track:hover:not(:disabled) {
    background: var(--md-surface-3);
    color: var(--md-on-bg);
    border-color: var(--md-primary-light);
}

.btn-fast-track:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.btn-fast-track .material-symbols-rounded {
    font-size: 1rem;
}

.tnp-status {
    font-size: 0.8rem;
    color: var(--md-success);
    font-weight: 600;
    margin: 0;
}

/* ── Toast Notifications (MD3 Snackbar) ─────────────────────────────── */
.toast-outlet {
    position: fixed;
    bottom: var(--s6);
    right: var(--s6);
    display: flex;
    flex-direction: column;
    gap: var(--s2);
    z-index: 9999;
    pointer-events: none;
}

.modern-toast {
    padding: var(--s3) var(--s5);
    border-radius: var(--md-corner-md);
    font-size: 0.82rem;
    font-weight: 500;
    color: white;
    background: var(--md-surface-3);
    border: 1px solid var(--md-outline);
    box-shadow: var(--md-elevation-3);
    animation: toastIn var(--md-duration-medium) var(--md-easing);
    transition: opacity var(--md-duration-short), transform var(--md-duration-short);
    max-width: 320px;
    backdrop-filter: blur(12px);
}

.modern-toast.success {
    background: rgba(16, 185, 129, 0.9);
    border-color: var(--md-success);
}

.modern-toast.error {
    background: rgba(239, 68, 68, 0.88);
    border-color: var(--md-error);
}

.modern-toast.warning {
    background: rgba(245, 158, 11, 0.9);
    border-color: var(--md-warning);
    color: #1C1917;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ── Footer ──────────────────────────────────────────────────────────── */
.app-footer {
    text-align: center;
    margin-top: var(--s6);
    font-size: 0.72rem;
    opacity: 0.4;
}

/* ── Scrollbar (Custom) ─────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--md-outline);
    border-radius: var(--md-corner-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--md-primary);
}

/* ── Responsive ─────────────────────────────────────────────────────── */

/* Tablet / mid viewport: 641–860px — 2-col KPIs, tighter panel gap */
@media (max-width: 860px) {
    .kpi-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .kpi-row .kpi-card:nth-child(3):last-child {
        grid-column: 1 / -1;
        max-width: calc(50% - var(--s3) / 2);
        justify-self: start;
    }

    .result-container {
        gap: var(--s3);
    }
}

/* Mobile: ≤640px */
@media (max-width: 640px) {
    .kpi-row {
        grid-template-columns: 1fr;
    }

    .kpi-row .kpi-card:nth-child(3):last-child {
        grid-column: unset;
        max-width: unset;
        justify-self: unset;
    }

    .viz-grid {
        grid-template-columns: 1fr;
    }

    .audit-details-grid {
        grid-template-columns: 1fr;
    }

    .action-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hitl-actions {
        flex-direction: column;
    }

    .tab-navigation {
        padding: 0 var(--s2);
    }

    .nav-tab span:not(.material-symbols-rounded) {
        display: none;
    }

    .content-panel {
        padding: var(--s4);
    }

    .app-header {
        gap: var(--s3);
        margin-bottom: var(--s4);
    }

    .app-logo {
        width: 42px;
        height: 42px;
    }

    .app-title-group h1 {
        font-size: 1.3rem;
    }

    .file-name {
        max-width: min(200px, 40vw);
    }

    .toast-outlet {
        right: var(--s3);
        left: var(--s3);
        bottom: var(--s4);
    }

    .modern-toast {
        max-width: 100%;
    }

    .history-scroll {
        max-height: 420px;
    }
}

/* Small phone: ≤400px */
@media (max-width: 400px) {
    .app-container {
        padding-top: calc(36px + var(--s5));
        padding-inline: var(--s3);
    }

    .kpi-value {
        font-size: 1.2rem;
    }

    .content-panel {
        padding: var(--s3);
    }

    .app-title-group h1 {
        font-size: 1.15rem;
    }

    .app-tagline {
        font-size: 0.72rem;
    }
}