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

:root {
    --color-primary: #007bff;
    --color-bg: oklch(0.98 0 0);
    --color-surface: oklch(0.95 0 0);
    --color-text: oklch(0.2 0 0);
    --color-border: oklch(0.85 0 0);
    --spacing-unit: 1rem;
    --radius: 4px;
}

:root[data-theme="dark"],
:root[data-theme="auto"] {
    @media (prefers-color-scheme: dark) {
        --color-primary: #007bff;
        --color-bg: rgb(47 47 55);
        --color-surface: rgb(40 40 48);
        --color-text: oklch(0.9 0 0);
        --color-border: oklch(0.3 0 0);
    }
}

:root[data-theme="dark"] {
    --color-primary: #007bff;
    --color-bg: rgb(47 47 55);
    --color-surface: rgb(40 40 48);
    --color-text: oklch(0.9 0 0);
    --color-border: oklch(0.3 0 0);
}

body { 
    font-family: system-ui, -apple-system, sans-serif; 
    line-height: 1.5;
    background-color: var(--color-bg);
    color: var(--color-text);
    min-block-size: 100vh;
    display: flex;
    flex-direction: column;
}

.skip-link {
    position: absolute;
    inset-block-start: -999px;
    inset-inline-start: -999px;
    background: var(--color-primary);
    color: white;
    padding-block: var(--spacing-unit);
    padding-inline: calc(var(--spacing-unit) * 2);
    text-decoration: none;
    border-radius: var(--radius);
    
    &:focus {
        inset-block-start: var(--spacing-unit);
        inset-inline-start: var(--spacing-unit);
    }
}

header {
    background: var(--color-primary);
    color: white;
    padding-block: var(--spacing-unit);
    padding-inline: var(--spacing-unit);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-unit);
    position: sticky;
    inset-block-start: 0;
    z-index: 1002;
    
    h1 {
        font-size: clamp(1.25rem, 3vw, 1.5rem);
    }
}

@media (max-width: 1023px) {
    header h1 {
        margin-inline-start: calc(var(--spacing-unit) * 4);
    }
}

.auth-box,
.auth-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-unit);
}

.theme-toggle {
    padding: calc(var(--spacing-unit) * 0.5);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius);
    cursor: pointer;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    inline-size: 2.5rem;
    block-size: 2.5rem;
    
    &:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    
    span {
        inline-size: 20px;
        block-size: 20px;
        display: block;
        
        svg {
            inline-size: 100%;
            block-size: 100%;
        }
    }
}

.primary-button,
.secondary-button {
    padding-block: calc(var(--spacing-unit) * 0.5);
    padding-inline: var(--spacing-unit);
    border: none;
    border-radius: calc(var(--radius) * 0.5);
    cursor: pointer;
    font: inherit;
    font-size: 0.9rem;
    transition: opacity 0.2s;
    
    &:hover {
        opacity: 0.9;
    }
    
    &:focus-visible {
        outline: 2px solid white;
        outline-offset: 2px;
    }
}

.primary-button {
    background: white;
    color: var(--color-primary);
    font-weight: 600;
}

.secondary-button {
    background: transparent;
    color: white;
    border: 1px solid white;
}

main {
    flex: 1;
    max-inline-size: 100%;
    margin-inline: 0;
    inline-size: 100%;
    padding-block: 0;
    padding-inline: 0;
    display: flex;
}

.menu-toggle {
    display: none;
}

.menu-icon {
    position: fixed;
    inset-block-start: calc(var(--spacing-unit) * 1.25);
    inset-inline-start: var(--spacing-unit);
    z-index: 1003;
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding-block: calc(var(--spacing-unit) * 0.5);
    padding-inline: calc(var(--spacing-unit) * 0.5);
    background: var(--color-surface);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    
    span {
        display: block;
        inline-size: 24px;
        block-size: 3px;
        background: var(--color-text);
        transition: transform 0.3s, opacity 0.3s;
    }
}

.menu-toggle:checked ~ .menu-icon span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle:checked ~ .menu-icon span:nth-child(2) {
    opacity: 0;
}

.menu-toggle:checked ~ .menu-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-icon {
    inline-size: 20px;
    block-size: 20px;
    display: inline-block;
    vertical-align: middle;
    margin-inline-end: calc(var(--spacing-unit) * 0.5);
    
    svg {
        inline-size: 100%;
        block-size: 100%;
        display: block;
    }
}

.sidebar {
    position: fixed;
    inset-block-start: 0;
    inset-inline-start: -280px;
    inline-size: 280px;
    block-size: 100vh;
    background: var(--color-surface);
    border-inline-end: 1px solid var(--color-border);
    padding-block-start: calc(var(--spacing-unit) * 6);
    padding-inline: var(--spacing-unit);
    transition: inset-inline-start 0.3s;
    z-index: 1000;
    
    ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 0.25);
    }
    
    a {
        display: flex;
        align-items: center;
        padding-block: calc(var(--spacing-unit) * 0.5);
        padding-inline: var(--spacing-unit);
        border-radius: 2px;
        border-inline-start: 3px solid transparent;
        color: var(--color-text);
        text-decoration: none;
        transition: background 0.2s, border-color 0.2s;
        inline-size: 100%;
        
        &:hover {
            background: var(--color-bg);
            text-decoration: none;
        }
        
        &.active {
            background: var(--color-primary);
            color: white;
            border-inline-start-color: white;
        }
    }
}

.menu-toggle:checked ~ .sidebar {
    inset-inline-start: 0;
}

.content-area {
    flex: 1;
    padding-block: calc(var(--spacing-unit) * 2);
    padding-inline: var(--spacing-unit);
    max-inline-size: 100%;
    inline-size: 100%;
    box-sizing: border-box;
}

@media (min-width: 1024px) {
    .menu-icon {
        display: none;
    }
    
    .sidebar {
        inset-inline-start: 0;
    }
    
    .content-area {
        margin-inline-start: 280px;
        max-inline-size: calc(100vw - 280px);
    }
}

@media (min-width: 1400px) {
    .content-area {
        max-inline-size: 60rem;
        margin-inline: 280px auto;
    }
}

.config-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding-block: calc(var(--spacing-unit) * 1.5);
    padding-inline: calc(var(--spacing-unit) * 1.5);
    
    h2 {
        margin-block-end: var(--spacing-unit);
        color: var(--color-primary);
    }
}

details {
    margin-block-end: var(--spacing-unit);
    
    &:last-child {
        margin-block-end: 0;
    }
    
    summary {
        cursor: pointer;
        padding-block: calc(var(--spacing-unit) * 0.5);
        padding-inline: var(--spacing-unit);
        background: var(--color-bg);
        border-radius: var(--radius);
        font-weight: 600;
        
        &:hover {
            background: var(--color-border);
        }
        
        &:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
    }
    
    &[open] summary {
        margin-block-end: var(--spacing-unit);
    }
    
    p {
        padding-inline-start: var(--spacing-unit);
        margin-block-end: calc(var(--spacing-unit) * 0.5);
    }
}

nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 0.5);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    
    &:hover {
        text-decoration: underline;
    }
    
    &:focus-visible {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
        border-radius: 2px;
    }
}

footer {
    background: var(--color-surface);
    border-block-start: 1px solid var(--color-border);
    padding-block: calc(var(--spacing-unit) * 0.5);
    padding-inline: var(--spacing-unit);
    text-align: end;
    margin-block-start: auto;
    font-size: 0.85rem;
    opacity: 0.7;
    position: relative;
    z-index: 1001;
}

.auth-message {
    text-align: center;
    padding-block: calc(var(--spacing-unit) * 3);
    color: var(--color-text);
    opacity: 0.7;
}

.status-page {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding-block: calc(var(--spacing-unit) * 2);
    padding-inline: calc(var(--spacing-unit) * 2);
}

.status-header {
    text-align: center;
    padding-block: calc(var(--spacing-unit) * 2);
    border-block-end: 1px solid var(--color-border);
    margin-block-end: calc(var(--spacing-unit) * 2);
}

.app-download {
    display: flex;
    align-items: center;
    gap: var(--spacing-unit);
    padding: var(--spacing-unit);
    background: var(--color-bg);
    border-radius: var(--radius);
    margin-block-end: calc(var(--spacing-unit) * 2);
    
    .app-icon {
        inline-size: 48px;
        block-size: 48px;
        flex-shrink: 0;
        color: var(--color-primary);
        
        svg {
            inline-size: 100%;
            block-size: 100%;
        }
    }
    
    .app-info {
        flex: 1;
        
        h3 {
            margin-block-end: calc(var(--spacing-unit) * 0.25);
            font-size: 1rem;
        }
        
        p {
            font-size: 0.85rem;
            opacity: 0.7;
            margin-block-end: calc(var(--spacing-unit) * 0.5);
        }
    }
    
    .download-button {
        display: inline-block;
        padding-block: calc(var(--spacing-unit) * 0.5);
        padding-inline: calc(var(--spacing-unit) * 1.25);
        background: var(--color-primary);
        color: white;
        text-decoration: none;
        border-radius: var(--radius);
        font-weight: 600;
        font-size: 0.9rem;
        transition: opacity 0.2s;
        
        &:hover {
            opacity: 0.9;
            text-decoration: none;
        }
    }
}

.app-download-page {
    text-align: center;
    padding-block: calc(var(--spacing-unit) * 3);
    
    h2 {
        margin-block-end: var(--spacing-unit);
        color: var(--color-primary);
    }
    
    p {
        margin-block-end: calc(var(--spacing-unit) * 2);
        max-inline-size: 600px;
        margin-inline: auto;
    }
    
    .download-button-large {
        display: inline-block;
        padding-block: calc(var(--spacing-unit) * 0.75);
        padding-inline: calc(var(--spacing-unit) * 2);
        background: var(--color-primary);
        color: white;
        text-decoration: none;
        border-radius: var(--radius);
        font-weight: 600;
        font-size: 1.1rem;
        transition: opacity 0.2s;
        
        &:hover {
            opacity: 0.9;
            text-decoration: none;
        }
    }
    
    .app-note {
        margin-block-start: calc(var(--spacing-unit) * 3);
        padding: var(--spacing-unit);
        background: var(--color-bg);
        border-radius: var(--radius);
        max-inline-size: 600px;
        margin-inline: auto;
        
        p {
            margin: 0;
            font-size: 0.9rem;
            opacity: 0.8;
        }
    }
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 0.75);
    padding-block: calc(var(--spacing-unit) * 0.75);
    padding-inline: calc(var(--spacing-unit) * 1.5);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1.1rem;
    
    &.up {
        background: oklch(0.95 0.05 145);
        color: oklch(0.35 0.15 145);
    }
    
    &.down {
        background: oklch(0.95 0.05 25);
        color: oklch(0.45 0.15 25);
    }
    
    &.loading {
        background: var(--color-bg);
        color: var(--color-text);
    }
}

.status-icon {
    inline-size: 24px;
    block-size: 24px;
    display: inline-block;
    
    svg {
        inline-size: 100%;
        block-size: 100%;
        display: block;
    }
}

.service-icon {
    inline-size: 24px;
    block-size: 24px;
    flex-shrink: 0;
    opacity: 0.7;
    
    svg {
        inline-size: 100%;
        block-size: 100%;
        display: block;
    }
}

.services-list {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 0.5);
}

.service-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-unit);
    padding-block: var(--spacing-unit);
    padding-inline: var(--spacing-unit);
    border-radius: var(--radius);
    transition: background 0.2s;
    
    &:hover {
        background: var(--color-bg);
    }
    
    h3 {
        font-size: 1rem;
        margin-block-end: calc(var(--spacing-unit) * 0.25);
    }
    
    p {
        font-size: 0.85rem;
        opacity: 0.7;
    }
}

.service-info {
    flex: 1;
}

.service-status {
    padding-block: calc(var(--spacing-unit) * 0.5);
    padding-inline: calc(var(--spacing-unit) * 1.25);
    border-radius: calc(var(--radius) * 0.5);
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    min-inline-size: 8rem;
    text-align: center;
    
    &.up {
        background: oklch(0.9 0.1 145);
        color: oklch(0.3 0.15 145);
    }
    
    &.down {
        background: oklch(0.9 0.1 25);
        color: oklch(0.4 0.15 25);
    }
    
    &.loading {
        background: var(--color-border);
        color: var(--color-text);
        opacity: 0.6;
    }
}

.status-details {
    margin-block-start: calc(var(--spacing-unit) * 2);
    padding-block-start: calc(var(--spacing-unit) * 2);
    border-block-start: 1px solid var(--color-border);
    
    summary {
        cursor: pointer;
        padding-block: calc(var(--spacing-unit) * 0.5);
        font-weight: 600;
        opacity: 0.7;
        
        &:hover {
            opacity: 1;
        }
    }
}

.health-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-unit);
    margin-block-end: var(--spacing-unit);
}

.health-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding-block: var(--spacing-unit);
    padding-inline: var(--spacing-unit);
    
    h3 {
        font-size: 0.9rem;
        margin-block-end: calc(var(--spacing-unit) * 0.5);
        opacity: 0.8;
    }
}

.status-indicator {
    font-weight: 600;
    padding-block: calc(var(--spacing-unit) * 0.5);
    padding-inline: var(--spacing-unit);
    border-radius: calc(var(--radius) * 0.5);
    text-align: center;
    
    &.up {
        background: oklch(0.9 0.1 145);
        color: oklch(0.3 0.15 145);
    }
    
    &.down {
        background: oklch(0.9 0.1 25);
        color: oklch(0.4 0.15 25);
    }
    
    &.loading {
        background: var(--color-border);
        color: var(--color-text);
        opacity: 0.6;
    }
}

pre {
    background: var(--color-bg);
    padding-block: var(--spacing-unit);
    padding-inline: var(--spacing-unit);
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 0.85rem;
}

.pricing-table {
    inline-size: 100%;
    border-collapse: collapse;
    
    th, td {
        text-align: start;
        padding-block: calc(var(--spacing-unit) * 0.75);
        padding-inline: var(--spacing-unit);
        border-block-end: 1px solid var(--color-border);
    }
    
    th {
        background: var(--color-bg);
        font-weight: 600;
        font-size: 0.9rem;
    }
    
    tbody tr:hover {
        background: var(--color-bg);
    }
}

.small-button {
    padding-block: calc(var(--spacing-unit) * 0.25);
    padding-inline: calc(var(--spacing-unit) * 0.75);
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    border-radius: calc(var(--radius) * 0.5);
    cursor: pointer;
    
    &:hover {
        background: var(--color-border);
    }
}

.dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.dialog {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding-block: calc(var(--spacing-unit) * 2);
    padding-inline: calc(var(--spacing-unit) * 2);
    max-inline-size: 500px;
    inline-size: 90%;
    
    h3 {
        margin-block-end: var(--spacing-unit);
    }
    
    form {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-unit);
    }
    
    label {
        font-weight: 600;
        font-size: 0.9rem;
    }
    
    input {
        padding-block: calc(var(--spacing-unit) * 0.5);
        padding-inline: var(--spacing-unit);
        border: 1px solid var(--color-border);
        border-radius: calc(var(--radius) * 0.5);
        font: inherit;
        background: var(--color-bg);
        color: var(--color-text);
        
        &:focus {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
    }
}

.dialog-actions {
    display: flex;
    gap: var(--spacing-unit);
    margin-block-start: var(--spacing-unit);
}

.error {
    color: oklch(0.5 0.15 25);
    padding-block: var(--spacing-unit);
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (min-width: 768px) {
    nav ul {
        flex-direction: row;
        flex-wrap: wrap;
    }
}