:root {
    --background: #f5f5f7;
    --surface: #ffffff;
    --surface-secondary: #fafafa;
    --text: #1d1d1f;
    --secondary: #6e6e73;
    --border: #d2d2d7;
    --accent: #0066cc;
    --selection: #eaf4ff;
    --success: #248a3d;
    --error: #d70015;
    --header-height: 3.25rem;
    --section-header-height: 3.75rem;
    --widget-reserve: 0rem;
    color-scheme: light;
}

* {
    box-sizing: border-box;
}

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

html {
    min-width: 20rem;
    background: var(--background);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    font-size: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
    background: var(--background);
    font-size: 0.875rem;
    line-height: 1.45;
}

button,
a,
code,
pre {
    font: inherit;
}

[hidden] {
    display: none !important;
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 0.5rem;
    left: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    background: var(--text);
    color: var(--surface);
    text-decoration: none;
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

.app-bar {
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-right: var(--widget-reserve);
    padding: 0 0.75rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface-secondary);
}

.product-identity,
.app-actions,
.connection-state {
    display: flex;
    align-items: center;
}

.product-identity {
    gap: 0.5rem;
    min-width: 0;
}

.product-identity strong {
    overflow: hidden;
    font-size: 0.875rem;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-identity > span,
#schema-badge {
    color: var(--secondary);
    font-size: 0.75rem;
}

.language-control {
    display: flex;
}

.language-control select {
    min-height: 1.75rem;
    padding: 0.15rem 1.5rem 0.15rem 0.45rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-size: 0.75rem;
}

.product-identity > span::before {
    margin-right: 0.5rem;
    color: var(--border);
    content: "/";
}

.app-actions {
    gap: 0.5rem;
}

.connection-state {
    gap: 0.4rem;
    margin-right: 0.25rem;
    color: var(--secondary);
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
}

.connection-state__indicator,
.status-dot {
    display: inline-block;
    flex: 0 0 auto;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--border);
}

.connection-state__indicator,
.status-dot--completed {
    background: var(--success);
}

.status-dot--running,
.status-dot--active {
    background: var(--accent);
}

.status-dot--failed {
    background: var(--error);
}

.toolbar-button,
.raw-toolbar button {
    min-height: 2rem;
    padding: 0.35rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-size: 0.75rem;
}

.toolbar-button:disabled {
    cursor: default;
    opacity: 0.45;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.debug-view {
    display: block;
    min-height: calc(100dvh - var(--header-height));
    margin-right: var(--widget-reserve);
    border-right: 1px solid var(--border);
    background: var(--surface);
}

.requests-panel,
.lifecycle-panel,
.inspector-panel {
    min-width: 0;
    background: var(--surface);
}

.requests-panel,
.lifecycle-panel {
    border-bottom: 1px solid var(--border);
}

.panel-heading,
.inspector-header,
.lifecycle-header__title {
    display: flex;
    height: var(--section-header-height);
    min-height: var(--section-header-height);
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface-secondary);
}

.panel-heading h1,
.inspector-header h2,
.lifecycle-header h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.25;
}

.count-badge {
    min-width: 1.5rem;
    padding: 0.15rem 0.4rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--secondary);
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
    text-align: center;
}

.requests-empty,
.lifecycle-empty,
.inspector-empty {
    display: grid;
    align-content: center;
    gap: 0.4rem;
    min-height: 10rem;
    padding: 1.5rem;
    color: var(--secondary);
    text-align: center;
}

.requests-empty strong,
.lifecycle-empty strong {
    color: var(--text);
    font-size: 0.8125rem;
    font-weight: 600;
}

.requests-empty p,
.lifecycle-empty p,
.inspector-empty p {
    max-width: 32rem;
    margin: 0 auto;
    font-size: 0.75rem;
}

.request-list,
.event-timeline {
    margin: 0;
    padding: 0;
    list-style: none;
}

.request-list li {
    border-bottom: 1px solid var(--border);
}

.request-item {
    display: grid;
    width: 100%;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: 0;
    border-left: 3px solid transparent;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    text-align: left;
}

.request-item[aria-current="true"] {
    border-left-color: var(--accent);
    background: var(--selection);
}

.request-item__top,
.request-item__identity,
.request-item__meta {
    display: flex;
    align-items: center;
}

.request-item__top,
.request-item__meta {
    justify-content: space-between;
    gap: 0.5rem;
}

.request-item__identity {
    min-width: 0;
    gap: 0.5rem;
}

.request-item__identity strong {
    overflow: hidden;
    font-size: 0.8125rem;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.request-item time,
.request-item__meta {
    color: var(--secondary);
    font-size: 0.6875rem;
    font-variant-numeric: tabular-nums;
}

.request-item__meta span:last-child {
    overflow: hidden;
    max-width: 6rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lifecycle-header {
    border-bottom: 1px solid var(--border);
    background: var(--surface-secondary);
}

.lifecycle-header__title {
    min-width: 0;
}

.lifecycle-header__title h2 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.parameters-empty:empty {
    display: none;
}

.request-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
}

.request-metrics div {
    min-width: 0;
    padding: 0.65rem 1rem;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.request-metrics div:nth-child(even) {
    border-right: 0;
}

.request-metrics dt,
.event-metadata dt {
    color: var(--secondary);
    font-size: 0.6875rem;
}

.request-metrics dd {
    overflow: hidden;
    margin: 0.15rem 0 0;
    font-size: 0.8125rem;
    font-variant-numeric: tabular-nums;
    font-weight: 500;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.event-timeline {
    padding: 0.75rem 1rem 1.5rem;
}

.event-step {
    position: relative;
}

.event-row {
    display: grid;
    width: 100%;
    grid-template-columns: 3rem minmax(0, 1fr);
    align-items: center;
    min-height: 4.5rem;
    padding: 0.5rem 0;
    border: 1px solid transparent;
    border-radius: 0.375rem;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    text-align: left;
}

.event-row[aria-current="true"] {
    border-color: var(--accent);
    background: var(--selection);
}

.event-row__rail {
    position: relative;
    display: grid;
    align-self: stretch;
    place-items: center;
}

.event-row__rail::before {
    position: absolute;
    top: -0.5rem;
    bottom: -0.5rem;
    left: 50%;
    width: 1px;
    background: var(--border);
    content: "";
}

.event-step:first-child .event-row__rail::before {
    top: 50%;
}

.event-step:last-child .event-row__rail::before {
    bottom: 50%;
}

.event-row__dot {
    position: relative;
    z-index: 1;
    display: grid;
    width: 1.8rem;
    height: 1.8rem;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--surface);
    color: var(--secondary);
    font-size: 0.625rem;
    font-variant-numeric: tabular-nums;
}

.event-step--active .event-row__dot {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--surface);
}

.event-step--completed .event-row__dot {
    border-color: var(--success);
    color: var(--success);
}

.event-step--failed .event-row__dot {
    border-color: var(--error);
    color: var(--error);
}

.event-row__content,
.event-row__timing {
    display: grid;
    min-width: 0;
}

.event-row__phase,
.event-row__content code,
.event-row__timing {
    color: var(--secondary);
    font-size: 0.6875rem;
}

.event-row__content strong {
    overflow: hidden;
    font-size: 0.8125rem;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.event-row__content code {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.event-row__timing {
    grid-column: 2;
    grid-template-columns: auto 1fr;
    gap: 0.75rem;
    font-variant-numeric: tabular-nums;
}

.event-row__timing strong {
    color: var(--text);
    font-weight: 500;
}

.inspector-panel {
    display: flex;
    flex-direction: column;
}

.inspector-content {
    flex: 1 0 auto;
}

.event-identity {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.event-identity__sequence {
    display: grid;
    flex: 0 0 auto;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    font-size: 0.6875rem;
    font-variant-numeric: tabular-nums;
}

.event-identity > div {
    display: grid;
    min-width: 0;
}

.event-identity strong {
    overflow: hidden;
    font-size: 0.8125rem;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.event-identity div span {
    color: var(--secondary);
    font-size: 0.75rem;
}

.event-metadata {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
    border-bottom: 1px solid var(--border);
}

.event-metadata div {
    min-width: 0;
    padding: 0.65rem 1rem;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.event-metadata div:nth-child(even) {
    border-right: 0;
}

.event-metadata dd {
    overflow: hidden;
    margin: 0.15rem 0 0;
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.inspector-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
}

.inspector-tabs button {
    min-height: 2.5rem;
    padding: 0 1rem;
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--secondary);
    cursor: pointer;
    font-size: 0.75rem;
}

.inspector-tabs button[aria-selected="true"] {
    border-bottom-color: var(--accent);
    color: var(--text);
}

.parameter-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.parameter-table th,
.parameter-table td {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.parameter-table thead {
    background: var(--surface-secondary);
}

.parameter-table thead th {
    color: var(--secondary);
    font-size: 0.6875rem;
    font-weight: 500;
}

.parameter-table tbody th {
    width: 42%;
    overflow-wrap: anywhere;
    font-size: 0.75rem;
    font-weight: 500;
}

.parameter-table td code {
    display: block;
    overflow-wrap: anywhere;
    color: var(--text);
    font-size: 0.75rem;
    white-space: pre-wrap;
}

.parameters-empty {
    margin: 0;
    padding: 1rem;
    color: var(--secondary);
    font-size: 0.75rem;
}

.raw-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 2.75rem;
    padding: 0 0.75rem 0 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--surface-secondary);
    color: var(--secondary);
    font-size: 0.6875rem;
}

#raw-event {
    max-width: 100%;
    min-height: 12rem;
    overflow: auto;
    margin: 0;
    padding: 1rem;
    background: #000;
    color: #f5f5f7;
    font-family: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    font-size: 0.75rem;
    line-height: 1.6;
    white-space: pre-wrap;
}

.configuration-view {
    display: grid;
    min-height: calc(100vh - var(--header-height));
    place-items: center;
    padding: 1.5rem;
}

.configuration-error {
    width: min(100%, 34rem);
    padding: 1.5rem;
    border: 1px solid var(--error);
    border-radius: 0.5rem;
    background: var(--surface);
}

.configuration-error__code {
    color: var(--error);
    font-size: 0.75rem;
}

.configuration-error h1 {
    margin: 0.5rem 0;
    font-size: 1.25rem;
}

.configuration-error p {
    margin: 0;
    color: var(--secondary);
}

@media (hover: hover) {
    .toolbar-button:not(:disabled):hover,
    .raw-toolbar button:hover,
    .request-item:hover,
    .event-row:hover {
        background: var(--surface-secondary);
    }

    .request-item[aria-current="true"]:hover,
    .event-row[aria-current="true"]:hover {
        background: var(--selection);
    }
}

@media (min-width: 40rem) {
    .request-metrics {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .request-metrics div,
    .request-metrics div:nth-child(even) {
        border-right: 1px solid var(--border);
        border-bottom: 0;
    }

    .request-metrics div:last-child {
        border-right: 0;
    }

    .event-row {
        grid-template-columns: 3rem minmax(0, 1fr) minmax(6rem, auto);
        padding-right: 0.75rem;
    }

    .event-row__timing {
        grid-column: auto;
        grid-template-columns: none;
        justify-items: end;
        gap: 0;
    }
}

@media (min-width: 64rem) {
    :root {
        --widget-reserve: 32rem;
    }

    .debug-view {
        display: grid;
        grid-template-columns: minmax(13rem, 15rem) minmax(25rem, 1fr);
        align-items: start;
    }

    .requests-panel {
        min-height: calc(100dvh - var(--header-height));
        border-right: 1px solid var(--border);
        border-bottom: 0;
    }

    .lifecycle-panel {
        min-height: calc(100dvh - var(--header-height));
        border-bottom: 0;
    }

    .inspector-panel {
        grid-column: 1 / -1;
        min-height: 24rem;
        border-top: 1px solid var(--border);
    }
}

@media (min-width: 64rem) and (max-width: 87.99rem) {
    .connection-state {
        margin-right: 0;
    }

    .connection-state span:last-child {
        display: none;
    }
}

@media (min-width: 88rem) {
    .debug-view {
        grid-template-columns: minmax(13rem, 15rem) minmax(25rem, 1fr) minmax(18rem, 21rem);
        height: calc(100dvh - var(--header-height));
        min-height: 34rem;
        overflow: hidden;
    }

    .requests-panel,
    .lifecycle-panel,
    .inspector-panel {
        height: 100%;
        min-height: 0;
        overflow: auto;
    }

    .inspector-panel {
        grid-column: auto;
        border-top: 0;
        border-left: 1px solid var(--border);
    }

    .panel-heading,
    .lifecycle-header,
    .inspector-header {
        position: sticky;
        z-index: 2;
        top: 0;
    }
}

@media (max-width: 39.99rem) {
    .app-bar {
        flex-wrap: wrap;
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .app-actions {
        width: 100%;
    }

    .connection-state {
        margin-right: auto;
    }

    .toolbar-button {
        flex: 1;
    }

    .event-metadata {
        grid-template-columns: 1fr;
    }

    .event-metadata div,
    .event-metadata div:nth-child(even) {
        border-right: 0;
    }
}

@media (pointer: coarse) {
    .toolbar-button,
    .request-item,
    .event-row,
    .inspector-tabs button {
        min-height: 2.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}