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

:root {
    --busuu-blue: #1E88E5;
    --busuu-dark-blue: #0D47A1;
    --busuu-light-blue: #42A5F5;
    --success-green: #4CAF50;
    --warning-yellow: #FFA726;
    --error-red: #EF5350;
    --bg-color: #F5F7FA;
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --border-color: #E0E0E0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Header */
header {
    background: white;
    padding: 30px 0;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo {
    height: 45px;
    width: auto;
}

.header-subtitle {
    text-align: center;
}

.header-subtitle span {
    font-size: 0.95em;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.3px;
}

/* Overall Status Banner */
.overall-status {
    background: white;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    text-align: center;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 12px;
}

.status-badge.operational {
    background: #E8F5E9;
    color: #2E7D32;
}

.status-badge.degraded {
    background: #FFF3E0;
    color: #E65100;
}

.status-badge.down {
    background: #FFEBEE;
    color: #C62828;
}

.status-badge.unknown {
    background: #F5F5F5;
    color: #616161;
}

.status-icon {
    font-size: 1.2em;
}

.last-update {
    color: var(--text-secondary);
    font-size: 0.9em;
}

/* Uptime Overview Section (90 days) */
.uptime-overview-section {
    background: white;
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.uptime-header {
    margin-bottom: 30px;
    font-size: 0.9em;
    color: var(--text-secondary);
}

.uptime-service-row {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.uptime-service-row:last-child {
    border-bottom: none;
}

.uptime-service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.uptime-service-name {
    font-size: 1em;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.uptime-service-name .expand-icon {
    font-size: 0.8em;
    color: var(--text-secondary);
}

.expand-icon-uptime {
    display: inline-block;
    cursor: pointer;
    font-size: 0.8em;
    color: var(--text-secondary);
    user-select: none;
    transition: transform 0.2s ease, color 0.2s ease;
}

.expand-icon-uptime:hover {
    color: var(--busuu-blue);
}

.uptime-sub-rows {
    margin-top: 16px;
    margin-left: 24px;
}

.uptime-sub-row {
    padding: 16px 0;
    border-top: 1px solid #F0F0F0;
}

.uptime-sub-row:first-child {
    border-top: none;
}

.uptime-sub-header {
    margin-bottom: 12px;
}

.uptime-sub-name {
    font-size: 0.9em;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.01em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.uptime-sub-name::before {
    content: '↳';
    color: var(--busuu-blue);
}

.uptime-status-badge {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: #E8F5E9;
    color: #2E7D32;
}

.uptime-90days-bar {
    display: flex;
    gap: 1px;
    height: 34px;
    margin-bottom: 8px;
    border-radius: 3px;
    overflow: visible; /* Changed from hidden to allow tooltips to show */
}

.uptime-90days-block {
    flex: 1;
    background: var(--success-green);
    transition: opacity 0.2s ease;
    cursor: pointer;
    position: relative;
}

.uptime-90days-block:hover {
    opacity: 0.8;
}

/* Custom Tooltip */
.uptime-90days-block .custom-tooltip {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: #2C3E50;
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-line;
    z-index: 1000;
    pointer-events: none;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 200px;
    max-width: 300px;
}

.uptime-90days-block .custom-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #2C3E50;
}

.uptime-90days-block:hover .custom-tooltip {
    visibility: visible;
    opacity: 1;
}

.uptime-90days-block.perfect {
    background: #4CAF50; /* Verde - 100% uptime */
}

.uptime-90days-block.degraded {
    background: #FFA726; /* Amarillo - <100% pero operacional */
}

.uptime-90days-block.down {
    background: #EF5350; /* Rojo - Down */
}

.uptime-90days-block.unknown {
    background: #E0E0E0; /* Gris - Sin datos */
}

.uptime-90days-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8em;
    color: var(--text-secondary);
}

.uptime-90days-percentage {
    font-weight: 600;
    color: var(--success-green);
}

/* Services Section */
.services-section {
    background: white;
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.services-section h2 {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
}

.service-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.service-info {
    flex: 1;
}

.service-name {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.service-endpoint {
    font-size: 0.85em;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.01em;
}

.expand-toggle {
    display: inline-block;
    cursor: pointer;
    margin-right: 8px;
    font-size: 0.8em;
    color: var(--text-secondary);
    user-select: none;
    transition: transform 0.2s ease;
}

.expand-toggle:hover {
    color: var(--busuu-blue);
}

.sub-endpoints {
    margin: 12px 0 12px 32px;
    padding: 12px;
    background: #F9FAFB;
    border-left: 3px solid var(--busuu-light-blue);
    border-radius: 4px;
}

.sub-endpoint-item {
    display: flex;
    align-items: center;
    padding: 6px 0;
    font-size: 0.85em;
    color: var(--text-secondary);
}

.sub-endpoint-icon {
    margin-right: 8px;
    color: var(--busuu-blue);
}

.sub-endpoint-url {
    font-weight: 400;
    letter-spacing: 0.01em;
    color: var(--text-primary);
}

.service-status-badge {
    padding: 6px 16px;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-status-badge.operational {
    background: #E8F5E9;
    color: #2E7D32;
}

.service-status-badge.degraded {
    background: #FFF3E0;
    color: #E65100;
}

.service-status-badge.down {
    background: #FFEBEE;
    color: #C62828;
}

.service-status-badge.unknown {
    background: #F5F5F5;
    color: #616161;
}

/* Uptime Bar */
.uptime-container {
    margin-top: 16px;
}

.uptime-bar-wrapper {
    display: flex;
    gap: 2px;
    height: 40px;
    margin-bottom: 8px;
    background: #F5F5F5;
    border-radius: 4px;
    overflow: hidden;
}

.uptime-block {
    flex: 1;
    background: var(--success-green);
    transition: background 0.3s ease;
}

.uptime-block.down {
    background: var(--error-red);
}

.uptime-block.degraded {
    background: var(--warning-yellow);
}

.uptime-block.unknown {
    background: #BDBDBD;
}

.uptime-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85em;
    color: var(--text-secondary);
}

.uptime-percentage {
    font-weight: 600;
    color: var(--success-green);
}

.uptime-time {
    color: var(--text-secondary);
}

/* Metrics Grid */
.service-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #F0F0F0;
}

.metric {
    text-align: center;
}

.metric-label {
    font-size: 0.8em;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.metric-value {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--text-primary);
}

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

/* Footer */
footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-secondary);
    font-size: 0.9em;
}

footer p {
    margin: 8px 0;
}

.refresh-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
}

.refresh-dot {
    width: 8px;
    height: 8px;
    background: var(--busuu-blue);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

/* Loading States */
.loading-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #E0E0E0;
    border-top-color: var(--busuu-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Message Box */
.service-message {
    margin-top: 12px;
    padding: 12px;
    background: #FFF3E0;
    border-left: 4px solid #FFA726;
    border-radius: 4px;
    font-size: 0.85em;
    color: #E65100;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 20px 15px;
    }
    
    .logo {
        height: 35px;
    }
    
    .header-subtitle span {
        font-size: 0.85em;
    }
    
    .uptime-overview-section {
        padding: 24px;
    }
    
    .uptime-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .uptime-90days-bar {
        height: 30px;
    }
    
    .services-section {
        padding: 24px;
    }
    
    .service-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .service-metrics {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .uptime-bar-wrapper {
        height: 30px;
    }
    
    .incidents-section {
        padding: 24px;
    }
    
    .incident-day {
        padding: 16px 0;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }
    
    .refresh-info {
        display: none;
    }
}