:root {
    --color-availability-high: #10b981;
    --color-availability-perfect-no-ref: #047857;
    --color-availability-mid: #f59e0b;
    --color-availability-low: #ef4444;
    --color-availability-blank: #f3f4f6;
    --color-bg: #f7f9fc;
    --color-primary: #0d3e66;
    --color-secondary: #0a5b8d;
}

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

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-bg);
    color: #1b2a3d;
    line-height: 1.6;
}

header.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #ffffff;
    padding: 2rem 1.5rem 2.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.hero__content {
    max-width: 1200px;
    margin: 0 auto;
}

.hero__title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.hero__subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.info-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.info-card h2 {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-color {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 1px solid #d1d5db;
}

.legend-color.availability-high { background-color: var(--color-availability-high); }
.legend-color.availability-perfect-no-ref { background-color: var(--color-availability-perfect-no-ref); }
.legend-color.availability-mid { background-color: var(--color-availability-mid); }
.legend-color.availability-low { background-color: var(--color-availability-low); }
.legend-color.availability-blank { background-color: var(--color-availability-blank); }

.table-container {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th {
    background-color: var(--color-primary);
    color: white;
    padding: 1rem 0.75rem;
    text-align: center;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

th:first-child {
    text-align: left;
    min-width: 120px;
}

td {
    padding: 0.75rem;
    text-align: center;
    border-bottom: 1px solid #e5e7eb;
}

.device-id {
    font-weight: 600;
    text-align: left;
    color: var(--color-primary);
}

.status-cell {
    font-weight: 700;
    font-size: 1rem;
    border-radius: 4px;
    border: 1px solid #e5e7eb;
    white-space: nowrap;
    cursor: help;
}

.status-cell.availability-high { 
    background-color: var(--color-availability-high);
    color: white;
}

.status-cell.availability-perfect-no-ref { 
    background-color: var(--color-availability-perfect-no-ref);
    color: white;
}

.status-cell.availability-mid { 
    background-color: var(--color-availability-mid);
    color: #111827;
}

.status-cell.availability-low { 
    background-color: var(--color-availability-low);
    color: white;
}

.status-cell.blank { 
    background-color: var(--color-availability-blank);
    color: #9ca3af;
}

.over100-marker {
    margin-left: 2px;
    font-size: 0.85em;
    font-weight: 800;
}

.kpi-row {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.kpi-title {
    font-weight: 700;
    color: var(--color-primary);
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.kpi-meta {
    color: #6b7280;
    font-size: 0.9rem;
}

tr:hover {
    background-color: #f9fafb;
}

.chart-container {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 2rem;
    overflow: visible;
}

.chart-title {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.chart-bars {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
    height: 300px;
    padding: 0;
    margin-top: 1rem;
    margin-bottom: 3rem;
    position: relative;
}

.chart-bar-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
    position: relative;
}

.chart-bar {
    width: 100%;
    display: flex;
    flex-direction: column-reverse;
    background: transparent;
    border-radius: 6px 6px 0 0;
    overflow: visible;
    border: 1px solid #e5e7eb;
    cursor: pointer;
    transition: transform 0.2s;
    position: relative;
}

.chart-bar:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.chart-segment {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    transition: opacity 0.2s;
    min-height: 20px;
}

.chart-segment.availability-high {
    background-color: var(--color-availability-high);
}

.chart-segment.availability-mid {
    background-color: var(--color-availability-mid);
    color: #111827;
}

.chart-segment.availability-low {
    background-color: var(--color-availability-low);
}

.chart-segment.availability-blank {
    background-color: #d1d5db;
    color: #6b7280;
}

.chart-segment:hover {
    opacity: 0.85;
}

.chart-label {
    font-size: 0.75rem;
    color: #6b7280;
    text-align: center;
    transform: rotate(-45deg);
    transform-origin: center;
    white-space: nowrap;
    position: absolute;
    bottom: -2.5rem;
    left: 50%;
    transform: translateX(-50%) rotate(-45deg);
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.chart-legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

footer {
    text-align: center;
    padding: 2rem;
    color: #6b7280;
    font-size: 0.875rem;
}

.last-update {
    text-align: right;
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.search-container {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    max-width: 400px;
    display: flex;
    align-items: center;
}

.search-input {
    width: 100%;
    padding: 0.75rem 3.5rem 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s;
}

.search-input:focus {
    border-color: var(--color-primary);
}

.search-spinner {
    position: absolute;
    right: 2.5rem;
    display: none;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.search-spinner.active {
    display: flex;
}

.spinner-icon {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

.spinner-circle {
    stroke: var(--color-primary);
    stroke-linecap: round;
    stroke-dasharray: 50;
    stroke-dashoffset: 25;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.search-clear-btn {
    position: absolute;
    right: 0.5rem;
    display: none;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: transparent;
    color: #6b7280;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.search-clear-btn:hover {
    background: #f3f4f6;
    color: var(--color-primary);
}

.search-clear-btn.visible {
    display: flex;
}

.search-label {
    font-weight: 600;
    color: var(--color-primary);
}

.search-results {
    color: #6b7280;
    font-size: 0.875rem;
}

tr.hidden {
    display: none;
}

.loading, .loading-cell {
    text-align: center;
    padding: 2rem;
    color: #6b7280;
}

.custom-tooltip {
    display: none;
    position: absolute;
    background: white;
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    max-width: 90vw;
    pointer-events: none;
}

.custom-tooltip.visible {
    display: block;
}

.tooltip-header {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #1b2a3d;
}

.tooltip-table-wrapper {
    overflow-x: auto;
    max-width: 100%;
}

.tooltip-table {
    border-collapse: collapse;
    font-size: 0.75rem;
    font-family: 'Courier New', monospace;
    width: 100%;
}

.tooltip-table td {
    border: 1px solid #d1d5db;
    padding: 2px 4px;
    text-align: center;
    min-width: 20px;
}

.tooltip-table .hour-row td {
    background-color: #e5e7eb;
    font-weight: 600;
    color: var(--color-primary);
}

.tooltip-table .ga-row td {
    background-color: #f0fdf4;
}

.tooltip-table .skynav-row td {
    background-color: #eff6ff;
}

.tooltip-table td.match {
    background-color: #d1fae5;
}

.tooltip-table td.mismatch {
    background-color: #fee2e2;
    font-weight: 600;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.pagination button {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-primary);
    background: white;
    color: var(--color-primary);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.pagination button:hover:not(:disabled) {
    background: var(--color-primary);
    color: white;
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-info {
    color: #6b7280;
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .hero__title {
        font-size: 1.5rem;
    }
    
    table {
        font-size: 0.8rem;
    }
    
    th, td {
        padding: 0.5rem 0.25rem;
    }
    
    .legend {
        gap: 1rem;
    }
    
    .chart-bars {
        height: 200px;
    }
    
    .chart-label {
        font-size: 0.65rem;
    }
    
    .chart-legend {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
}