/**
 * Industrial Dashboard Styles
 * Professional, modern, and enterprise-grade design
 */

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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #999999;
    --text-tertiary: #666666;
    --border-color: #333333;
    --accent-blue: #00A6FF;
    --accent-green: #00D4AA;
    --accent-yellow: #FFB800;
    --accent-red: #FF6B6B;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.dashboard-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-left h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 0.25rem;
}

.header-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.header-right {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.last-update {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Main Container */
.dashboard-container {
    padding: 2rem;
    max-width: 1920px;
    margin: 0 auto;
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

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

.kpi-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.kpi-change {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.kpi-change.positive {
    color: var(--accent-green);
}

.kpi-change.negative {
    color: var(--accent-red);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    min-height: 350px;
}

.chart-container canvas {
    width: 100% !important;
    height: 300px !important;
}

/* Gauges Grid */
.gauges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.gauge-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

.gauge-container canvas {
    width: 100% !important;
    height: 200px !important;
}

/* Tables */
.table-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.table-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.table-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.filter-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.filter-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

select, input[type="text"] {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    outline: none;
    transition: all 0.2s ease;
}

select:focus, input[type="text"]:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 166, 255, 0.1);
}

.search-input {
    min-width: 250px;
}

/* Table Styles */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table thead {
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.data-table th:hover {
    color: var(--accent-blue);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr {
    transition: background 0.2s ease;
}

.data-table tbody tr:hover {
    background: var(--bg-tertiary);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.operational,
.status-badge.normal {
    background: rgba(0, 212, 170, 0.15);
    color: var(--accent-green);
}

.status-badge.warning {
    background: rgba(255, 184, 0, 0.15);
    color: var(--accent-yellow);
}

.status-badge.critical {
    background: rgba(255, 107, 107, 0.15);
    color: var(--accent-red);
}

/* Buttons */
button, .btn {
    background: var(--accent-blue);
    color: var(--text-primary);
    border: none;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}

button:hover, .btn:hover {
    background: #0090dd;
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}

button:active, .btn:active {
    transform: translateY(0);
}

.btn-small {
    padding: 0.375rem 0.875rem;
    font-size: 0.75rem;
}

.btn-danger {
    background: var(--accent-red);
}

.btn-danger:hover {
    background: #ff5555;
}

.btn-secondary {
    background: var(--bg-tertiary);
}

.btn-secondary:hover {
    background: #3a3a3a;
}

/* Value Cells */
.value-cell {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--accent-blue);
}

/* Alert Row */
.alert-row.critical {
    border-left: 3px solid var(--accent-red);
}

.alert-row.warning {
    border-left: 3px solid var(--accent-yellow);
}

/* Equipment Row Status Indicators */
.equipment-row.status-critical {
    background: rgba(255, 107, 107, 0.05);
}

.equipment-row.status-warning {
    background: rgba(255, 184, 0, 0.05);
}

/* No Data Message */
.no-data {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
    font-style: italic;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #444444;
}

/* Responsive Design */
@media (max-width: 1400px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }

    .gauges-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .header-right {
        flex-direction: column;
    }

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

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

    .table-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .search-input {
        min-width: 100%;
    }
}

/* Loading Animation */
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.loading {
    animation: shimmer 2s infinite;
    background: linear-gradient(90deg, var(--bg-secondary) 0%, var(--bg-tertiary) 50%, var(--bg-secondary) 100%);
    background-size: 1000px 100%;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }