:root {
    /* === Background === */
    --bg-primary:        #0F172A;    /* Slate 900 */
    --bg-secondary:      #1E293B;    /* Slate 800 */
    --bg-tertiary:       #334155;    /* Slate 700 */
    --bg-surface:        #1E293B99;  /* Glass */

    /* === Text === */
    --text-primary:      #F1F5F9;    /* Slate 100 */
    --text-secondary:    #94A3B8;    /* Slate 400 */
    --text-tertiary:     #64748B;    /* Slate 500 */
    --text-inverse:      #0F172A;

    /* === Border === */
    --border-primary:    #334155;
    --border-secondary:  #475569;

    /* === Stream Colors === */
    --stream-finance:    #10B981;    /* Emerald 500 */
    --stream-legal:      #8B5CF6;    /* Violet 500 */
    --stream-work:       #3B82F6;    /* Blue 500 */
    --stream-culture:    #F59E0B;    /* Amber 500 */
    --stream-schedule:   #EC4899;    /* Pink 500 */

    /* === Stream Backgrounds === */
    --stream-finance-bg: #10B98119;
    --stream-legal-bg:   #8B5CF619;
    --stream-work-bg:    #3B82F619;
    --stream-culture-bg: #F59E0B19;
    --stream-schedule-bg:#EC489919;

    /* === Actor Type Colors === */
    --actor-ai:          #06B6D4;    /* Cyan 500 */
    --actor-ai-bg:       #06B6D40D;
    --actor-human:       #E2E8F0;
    --actor-system:      #64748B;

    /* === Severity Colors === */
    --severity-info:     #94A3B8;
    --severity-low:      #38BDF8;
    --severity-medium:   #FBBF24;
    --severity-high:     #F97316;
    --severity-critical: #EF4444;

    /* === Status Colors === */
    --status-active:     #10B981;
    --status-warning:    #F59E0B;
    --status-critical:   #EF4444;
    --status-inactive:   #64748B;
    --status-resolved:   #3B82F6;

    /* === Compliance Colors === */
    --compliance-active:        #10B981;
    --compliance-pending:       #F59E0B;
    --compliance-non-compliant: #EF4444;

    /* === Typography === */
    --font-family:       'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono:         'JetBrains Mono', 'Fira Code', monospace;

    /* === Spacing === */
    --space-xs:  4px;
    --space-sm:  8px;
    --space-md:  16px;
    --space-lg:  24px;
    --space-xl:  32px;

    /* === Border Radius === */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* === Shadows === */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.5);

    /* === Glassmorphism === */
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(16px);
}

.light-theme {
    --bg-primary:        #F8FAFC;
    --bg-secondary:      #FFFFFF;
    --bg-tertiary:       #F1F5F9;
    --text-primary:      #0F172A;
    --text-secondary:    #475569;
    --text-tertiary:     #94A3B8;
    --border-primary:    #E2E8F0;
    --border-secondary:  #CBD5E1;
    --glass-bg:          rgba(255,255,255,0.8);
    --glass-border:      rgba(0,0,0,0.06);
    --shadow-sm:         0 1px 3px rgba(0,0,0,0.08);
    --shadow-md:         0 4px 12px rgba(0,0,0,0.1);
}

/* === Global Reset === */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    transition: background-color 0.3s, color 0.3s;
}

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

/* === Sidebar === */
.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    padding: var(--space-md);
    flex-shrink: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0 var(--space-xl) 0;
    border-bottom: 1px solid var(--border-primary);
}

.brand h2 {
    font-size: 1.15rem;
    font-weight: 700;
}

.nav-menu {
    list-style: none;
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    flex-grow: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    font-weight: 500;
    font-size: 0.9rem;
}

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

.nav-item.active {
    background: linear-gradient(135deg, rgba(6,182,212,0.15), rgba(59,130,246,0.1));
    color: var(--actor-ai);
    border-left: 4px solid var(--actor-ai);
}

.nav-item .badge-count {
    position: absolute;
    right: var(--space-md);
    background-color: var(--severity-critical);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
}

.sidebar-footer {
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.btn-theme-toggle {
    background: none;
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s;
}

.btn-theme-toggle:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* === Main Content === */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.topbar {
    height: 70px;
    border-bottom: 1px solid var(--border-primary);
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-secondary);
}

.topbar h1 {
    font-size: 1.3rem;
    font-weight: 700;
}

.tab-container {
    flex-grow: 1;
    padding: var(--space-xl);
    overflow-y: auto;
}

/* === Tab Panes === */
.tab-pane {
    display: none;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.tab-pane.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* === Dashboard Cards === */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.kpi-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background-color: var(--accent-color, var(--actor-ai));
}

.kpi-value {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.kpi-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

.dashboard-sections {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.section-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.section-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-primary);
    padding-bottom: var(--space-sm);
}

/* === Stream Health Indicator === */
.stream-health-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.stream-health {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    border-left: 5px solid var(--stream-color);
}

.stream-health[data-stream="finance"] { --stream-color: var(--stream-finance); }
.stream-health[data-stream="legal"] { --stream-color: var(--stream-legal); }
.stream-health[data-stream="work"] { --stream-color: var(--stream-work); }
.stream-health[data-stream="culture"] { --stream-color: var(--stream-culture); }
.stream-health[data-stream="schedule"] { --stream-color: var(--stream-schedule); }

.stream-health-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
}

.stream-status-badge {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

/* === Tables === */
.table-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

th, td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-primary);
}

th {
    background-color: rgba(0,0,0,0.1);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
}

tr:hover {
    background-color: rgba(255,255,255,0.02);
}

/* === Event Row Viền Trái Cyan (AI Agent) === */
tr[data-actor-type="ai"] {
    border-left: 4px solid var(--actor-ai);
    background-color: var(--actor-ai-bg);
}

tr[data-actor-type="human"] {
    border-left: 4px solid var(--actor-human);
}

tr[data-actor-type="system"] {
    border-left: 4px solid var(--actor-system);
}

/* === Badges & Chips === */
.badge-severity {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-severity[data-severity="info"]     { background: var(--bg-tertiary); color: var(--text-secondary); }
.badge-severity[data-severity="low"]      { background: rgba(56,189,248,0.2); color: var(--severity-low); }
.badge-severity[data-severity="medium"]   { background: rgba(251,191,36,0.2); color: var(--severity-medium); }
.badge-severity[data-severity="high"]     { background: rgba(249,115,22,0.2); color: var(--severity-high); }
.badge-severity[data-severity="critical"] { background: rgba(239,68,68,0.2); color: var(--severity-critical); animation: pulse-critical 2s infinite; }

@keyframes pulse-critical {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
    50%      { opacity: 0.85; box-shadow: 0 0 8px 3px rgba(239,68,68,0.2); }
}

.badge-actor {
    display: inline-flex;
    align-items: center;
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-actor[data-type="ai"] {
    background: rgba(6,182,212,0.15);
    color: var(--actor-ai);
    border: 1px solid rgba(6,182,212,0.3);
}

.badge-actor[data-type="human"] {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

.badge-actor[data-type="system"] {
    background: rgba(100,116,139,0.15);
    color: var(--actor-system);
}

/* === Filter Pills === */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

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

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

.stream-pills-container {
    display: flex;
    gap: var(--space-xs);
}

.stream-pill {
    background: none;
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
    font-weight: 500;
}

.stream-pill:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.stream-pill.active {
    color: white;
}
.stream-pill.active[data-stream="all"]      { background-color: var(--bg-tertiary); border-color: var(--bg-tertiary); }
.stream-pill.active[data-stream="finance"]  { background-color: var(--stream-finance); border-color: var(--stream-finance); }
.stream-pill.active[data-stream="legal"]    { background-color: var(--stream-legal); border-color: var(--stream-legal); }
.stream-pill.active[data-stream="work"]     { background-color: var(--stream-work); border-color: var(--stream-work); }
.stream-pill.active[data-stream="culture"]  { background-color: var(--stream-culture); border-color: var(--stream-culture); }
.stream-pill.active[data-stream="schedule"] { background-color: var(--stream-schedule); border-color: var(--stream-schedule); }

/* Toggle checkbox styling */
.toggle-container {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* === Knowledge Base Subtabs === */
.sub-nav-tabs {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-primary);
    padding-bottom: var(--space-xs);
}

.sub-tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    border-bottom: 2px solid transparent;
}

.sub-tab-btn.active {
    color: var(--actor-ai);
    border-bottom-color: var(--actor-ai);
}

.sub-tab-pane {
    display: none;
}

.sub-tab-pane.active {
    display: block;
}

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

.btn-primary {
    background-color: var(--actor-ai);
    color: var(--text-inverse);
    border: none;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
    transition: opacity 0.2s;
}

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

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: none;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
    transition: opacity 0.2s;
}

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

/* === SOP Cards === */
.sop-rules-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.sop-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

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

.sop-id {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--actor-ai);
}

.sop-title {
    font-weight: 600;
    font-size: 1rem;
}

/* === Advisory Section === */
.advisory-actions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

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

.advisory-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.advisory-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.advisory-text-block {
    background-color: var(--bg-primary);
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

.advisory-text-block h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

/* === Modal Windows === */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input, .form-group select, .form-group textarea {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.85rem;
}

.form-group textarea {
    resize: vertical;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

/* Status Chips */
.status-chip {
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    border: 1px solid transparent;
}

.status-chip[data-status="new"]           { background: rgba(251,191,36,0.1); color: var(--severity-medium); border-color: var(--severity-medium); }
.status-chip[data-status="investigating"] { background: rgba(59,130,246,0.1); color: var(--stream-work); border-color: var(--stream-work); }
.status-chip[data-status="concluded"]     { background: rgba(139,92,246,0.1); color: var(--stream-legal); border-color: var(--stream-legal); }
.status-chip[data-status="resolved"]      { background: rgba(16,185,129,0.1); color: var(--status-active); border-color: var(--status-active); }
.status-chip[data-status="reopened"]      { background: rgba(239,68,68,0.1); color: var(--severity-critical); border-color: var(--severity-critical); }

.compliance-badge {
    font-weight: 700;
    font-size: 0.8rem;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    border: 1px solid transparent;
}
.compliance-badge[data-status="active"] { background: rgba(16,185,129,0.1); color: var(--compliance-active); border-color: var(--compliance-active); }

/* Stream specific pills for event row */
.stream-pill-badge {
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}
.stream-pill-badge[data-stream="finance"] { background: var(--stream-finance-bg); color: var(--stream-finance); }
.stream-pill-badge[data-stream="legal"] { background: var(--stream-legal-bg); color: var(--stream-legal); }
.stream-pill-badge[data-stream="work"] { background: var(--stream-work-bg); color: var(--stream-work); }
.stream-pill-badge[data-stream="culture"] { background: var(--stream-culture-bg); color: var(--stream-culture); }
.stream-pill-badge[data-stream="schedule"] { background: var(--stream-schedule-bg); color: var(--stream-schedule); }