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

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
    --up: #22c55e;
    --down: #ef4444;
    --degraded: #eab308;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --font-size: 1;
}

:root.dark-mode {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --border-color: #404040;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

html {
    font-size: calc(var(--font-size) * 16px);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
    padding: 1rem;
    min-height: 100vh;
}

:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    z-index: 20;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

header {
    max-width: 1400px;
    margin: 0 auto 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.user-badge {
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    color: var(--text-secondary);
    font-family: inherit;
    cursor: pointer;
    max-width: 16rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: all 0.2s;
}

.user-badge:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.user-edit {
    display: flex;
    gap: 0.375rem;
    align-items: center;
}

.user-edit[hidden] {
    display: none;
}

.user-edit input {
    font-family: inherit;
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    width: 10rem;
}

.user-edit button {
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.user-edit button:hover {
    background-color: var(--border-color);
}

.header-controls {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

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

.control-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 80px;
}

.mode-toggle {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s;
}

.mode-toggle:hover {
    background-color: var(--border-color);
}

.font-size-controls {
    display: flex;
    gap: 0.25rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.25rem;
    background-color: var(--bg-secondary);
}

.font-size-btn {
    padding: 0.375rem 0.75rem;
    border: none;
    background-color: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: inherit;
    border-radius: 0.25rem;
    transition: all 0.2s;
}

.font-size-btn.active {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

.font-size-btn:hover:not(.active) {
    background-color: var(--border-color);
}

main {
    max-width: 1400px;
    margin: 0 auto;
}

section {
    margin-bottom: 2rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.overall-status {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.overall-status strong {
    color: var(--text-primary);
}

.service-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--card-shadow);
}

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.service-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

.service-description {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

.service-status {
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 0.25rem;
    background-color: var(--up);
    color: white;
    white-space: nowrap;
}

.service-status.down {
    background-color: var(--down);
}

.service-status.degraded {
    background-color: var(--degraded);
    color: #000;
}

.uptime-grid {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.uptime-cell {
    width: 1.5rem;
    height: 1.5rem;
    border: none;
    padding: 0;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    flex: 0 0 auto;
}

.uptime-cell.up {
    background-color: var(--up);
}

.uptime-cell.down {
    background-color: var(--down);
}

.uptime-cell.degraded {
    background-color: var(--degraded);
}

.uptime-cell:hover,
.uptime-cell:focus-visible {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.uptime-tooltip {
    position: fixed;
    top: 0;
    left: 0;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    line-height: 1.4;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 30;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.uptime-tooltip.visible {
    opacity: 1;
}

.uptime-tooltip .tooltip-detail {
    display: block;
    opacity: 0.8;
    margin-top: 0.125rem;
}

.uptime-scale {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.uptime-stats {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
}

.incidents-section {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}

.timeline-header h2 {
    margin-bottom: 0;
}

.timeline-summary {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.timeline-toggle {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s;
}

.timeline-toggle:hover {
    background-color: var(--border-color);
}

.incident {
    border-left: 3px solid var(--down);
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: var(--bg-primary);
    border-radius: 0.25rem;
    display: none;
}

.incident.degraded {
    border-left-color: var(--degraded);
}

.incident.visible {
    display: block;
}

.incident.highlighted {
    box-shadow: 0 0 0 2px var(--text-secondary);
}

.incident-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.incident-service {
    font-weight: 600;
    color: var(--text-primary);
}

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

.incident-duration {
    font-size: 0.875rem;
    background-color: var(--bg-secondary);
    padding: 0.25rem 0.625rem;
    border-radius: 0.25rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.incident-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.incident-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.no-incidents {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.page-footer {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.noscript-note {
    max-width: 1400px;
    margin: 1rem auto 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

@media (max-width: 720px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-controls {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }

    .uptime-grid {
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        padding-bottom: 0.5rem;
        scrollbar-width: thin;
    }

    .service-section {
        padding: 1rem;
    }

    .incidents-section {
        padding: 1rem;
    }

    .service-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .timeline-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .uptime-stats {
        flex-direction: column;
        gap: 0.25rem;
    }

    .control-label {
        min-width: auto;
    }

    .user-edit input {
        width: 8rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }

    .uptime-cell:hover,
    .uptime-cell:focus-visible {
        transform: none;
    }
}