/* ============================================
   Enterprise BI Dashboard - Dark Theme Styles
   ============================================ */

/* CSS Variables for Theme Colors */
:root {
    /* Background Colors */
    --bg-primary: #1E1E2E;
    --bg-secondary: #252538;
    --bg-card: #2A2A3E;
    --bg-card-hover: #323248;
    --bg-dark: #1A1A28;
    
    /* Data Colors */
    --color-primary: #4FC3F7;
    --color-secondary: #29B6F6;
    --color-success: #66FF99;
    --color-positive: #4ADE80;
    --color-warning: #FFB74D;
    --color-danger: #FF6B6B;
    --color-alert: #EF5350;
    --color-purple: #AB47BC;
    --color-purple-dark: #9C27B0;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B4B4C8;
    --text-muted: #9E9EB0;
    --text-disabled: #5A5A6E;
    
    /* Border & Dividers */
    --border-color: rgba(255, 255, 255, 0.1);
    --divider-color: rgba(255, 255, 255, 0.05);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Global Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-left {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}

.logo i {
    font-size: 24px;
}

.header-center {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.main-nav {
    display: flex;
    gap: var(--spacing-xs);
    background-color: var(--bg-secondary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    max-width: 100%;
    overflow-x: auto;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.nav-tab.active {
    background-color: var(--color-primary);
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    border: none;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.header-btn:hover {
    background-color: var(--bg-card);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background-color: var(--color-danger);
    color: white;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--bg-dark);
}

.operator-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.operator-badge:hover {
    background-color: var(--bg-card);
}

.operator-badge img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.operator-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.operator-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.operator-role {
    font-size: 11px;
    color: var(--text-muted);
}

.operator-badge i {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Mobile nav toggle */
.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 14px;
    right: 16px;
    z-index: 1001;
    width: 36px;
    height: 36px;
    background-color: var(--bg-secondary);
    border: none;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
}

/* Main Dashboard Container */
.dashboard {
    margin-top: 64px;
    padding: var(--spacing-lg);
    min-height: calc(100vh - 64px);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.dashboard-row {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.kpi-row {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* KPI Cards */
.kpi-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background-color: var(--bg-card-hover);
}

.kpi-card:hover::before {
    opacity: 1;
}

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

.alert-badge {
    color: var(--color-danger);
    font-size: 10px;
    animation: pulse 1.5s infinite;
}

.kpi-value {
    display: flex;
    align-items: baseline;
    margin-bottom: var(--spacing-md);
}

.kpi-value .number {
    font-family: 'Roboto Mono', monospace;
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: -2px;
}

.kpi-value .unit {
    font-size: 24px;
    color: var(--text-secondary);
    margin-left: var(--spacing-xs);
}

.kpi-status {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.status-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-tag.open {
    background-color: rgba(79, 195, 247, 0.2);
    color: var(--color-primary);
}

.status-tag.unassigned {
    background-color: rgba(255, 183, 77, 0.2);
    color: var(--color-warning);
}

.status-tag.success {
    background-color: rgba(74, 222, 128, 0.2);
    color: var(--color-positive);
}

.status-tag.excellent {
    background-color: rgba(171, 71, 188, 0.2);
    color: var(--color-purple);
}

.kpi-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 12px;
    color: var(--text-secondary);
}

.kpi-trend i {
    font-size: 10px;
}

.kpi-trend.positive {
    color: var(--color-positive);
}

.kpi-trend.positive i {
    color: var(--color-positive);
}

/* Chart Cards */
.chart-card,
.gauge-card,
.list-card,
.status-card,
.feed-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.chart-card:hover,
.gauge-card:hover,
.list-card:hover,
.status-card:hover,
.feed-card:hover {
    box-shadow: var(--shadow-lg);
}

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

.card-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.control-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    border: none;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.chart-container {
    position: relative;
    width: 100%;
}

/* Wide Chart Card */
.chart-card.wide {
    grid-column: span 2;
}

/* Gauge Card Styles */
.gauge-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.gauge-center {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.gauge-value {
    font-family: 'Roboto Mono', monospace;
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
}

.gauge-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.gauge-footer {
    text-align: center;
    margin-top: var(--spacing-md);
}

.comparison {
    font-size: 13px;
    color: var(--text-secondary);
}

/* List Card Styles */
.live-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(255, 107, 107, 0.2);
    color: var(--color-danger);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.pulse {
    width: 8px;
    height: 8px;
    background-color: var(--color-danger);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.top-list {
    list-style: none;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--divider-color);
    transition: all var(--transition-fast);
}

.list-item:last-child {
    border-bottom: none;
}

.list-item:hover {
    padding-left: var(--spacing-sm);
    background-color: rgba(79, 195, 247, 0.05);
    margin: 0 calc(-1 * var(--spacing-sm));
    padding-right: var(--spacing-sm);
}

.list-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.list-left img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.list-left span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.list-right {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
}

.list-value {
    font-family: 'Roboto Mono', monospace;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
}

.list-label {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Status Card Styles */
.team-count {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-secondary);
}

.status-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.agent-status {
    display: grid;
    grid-template-columns: 32px 1fr auto;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.agent-status img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.agent-name {
    font-size: 14px;
    color: var(--text-primary);
}

.status-label {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-label.online {
    background-color: rgba(74, 222, 128, 0.2);
    color: var(--color-positive);
}

.status-label.busy {
    background-color: rgba(79, 195, 247, 0.2);
    color: var(--color-primary);
}

.status-label.away {
    background-color: rgba(255, 183, 77, 0.2);
    color: var(--color-warning);
}

.status-label.offline {
    background-color: rgba(90, 90, 110, 0.2);
    color: var(--text-disabled);
}

/* Feed Card Styles */
.feed-card {
    grid-column: span 2;
}

.sentiment-filter {
    display: flex;
    gap: var(--spacing-xs);
}

.sentiment-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sentiment-btn:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.sentiment-btn.active {
    background-color: var(--color-primary);
    color: var(--text-primary);
    border-color: var(--color-primary);
}

.sentiment-btn.positive:hover,
.sentiment-btn.positive.active {
    background-color: var(--color-positive);
    border-color: var(--color-positive);
}

.sentiment-btn.negative:hover,
.sentiment-btn.negative.active {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
}

.feed-container {
    max-height: 400px;
    overflow-y: auto;
    padding-right: var(--spacing-sm);
}

.feed-container::-webkit-scrollbar {
    width: 6px;
}

.feed-container::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.feed-container::-webkit-scrollbar-thumb {
    background: var(--text-disabled);
    border-radius: var(--radius-sm);
}

.feed-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.feed-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--divider-color);
}

.feed-item:last-child {
    border-bottom: none;
}

.feed-item img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
}

.feed-content {
    flex: 1;
}

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

.customer-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.feed-time {
    font-size: 11px;
    color: var(--text-disabled);
}

.feed-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.feed-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rating {
    display: flex;
    gap: 2px;
}

.rating i {
    font-size: 12px;
    color: var(--color-warning);
}

.sentiment {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.sentiment.positive {
    background-color: rgba(74, 222, 128, 0.2);
    color: var(--color-positive);
}

.sentiment.neutral {
    background-color: rgba(255, 183, 77, 0.2);
    color: var(--color-warning);
}

.sentiment.negative {
    background-color: rgba(255, 107, 107, 0.2);
    color: var(--color-danger);
}

/* Animations */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.5;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

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

/* Responsive Design */
@media (max-width: 1400px) {
    .dashboard-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-card.wide,
    .feed-card {
        grid-column: span 2;
    }
}

@media (max-width: 1024px) {
    .dashboard-row {
        grid-template-columns: 1fr;
    }
    
    .chart-card.wide,
    .feed-card {
        grid-column: span 1;
    }
    
    .kpi-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .mobile-nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .header-center {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        display: none;
        background-color: var(--bg-dark);
        border-bottom: 1px solid var(--border-color);
        padding: var(--spacing-md);
        z-index: 998;
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        background: none;
        padding: 0;
    }

    .main-nav.open {
        display: flex;
    }

    .nav-tab {
        justify-content: flex-start;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .operator-info {
        display: none;
    }
    
    .kpi-row {
        grid-template-columns: 1fr;
    }
    
    .kpi-value .number {
        font-size: 36px;
    }
    
    .dashboard {
        padding: var(--spacing-md);
    }

    .header {
        padding: 0 var(--spacing-md);
    }
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.05) 50%,
        transparent 100%
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    to {
        left: 100%;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .header,
    .sidebar {
        display: none;
    }
    
    .dashboard {
        margin: 0;
        padding: 20px;
    }
    
    .kpi-card,
    .chart-card,
    .gauge-card,
    .list-card,
    .status-card,
    .feed-card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}