:root {
    color-scheme: dark;

    --color-bg: #080808;
    --color-surface: #121212;
    --color-surface-light: #1a1a1a;
    --color-border: #333333;
    --color-text: #f5f5f5;
    --color-text-muted: #a3a3a3;
    --color-accent: #b91c1c;
    --color-accent-light: #ef4444;
    --color-success: #22c55e;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background-color: var(--color-bg);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--color-text);
    font-family:
        Inter,
        "Noto Sans JP",
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    background:
        radial-gradient(circle at top, rgb(127 29 29 / 24%), transparent 38rem),
        var(--color-bg);
}

a {
    color: inherit;
}

.l-container {
    width: min(100% - 2rem, 68rem);
    margin-inline: auto;
}

.l-main {
    display: grid;
    min-height: 100vh;
    align-items: center;
    padding-block: 4rem;
}

.c-panel {
    overflow: hidden;
    border-width: 1px;
    border-style: solid;
    border-color: var(--color-border);
    border-radius: 1rem;
    background-color: rgb(18 18 18 / 92%);
    box-shadow: 0 1.5rem 5rem rgb(0 0 0 / 45%);
}

.c-panel__header {
    padding-block: 2.5rem;
    padding-inline: clamp(1.5rem, 5vw, 4rem);
    border-bottom-width: 1px;
    border-bottom-style: solid;
    border-bottom-color: var(--color-border);
}

.c-panel__body {
    display: grid;
    gap: 2rem;
    padding-block: 2.5rem;
    padding-inline: clamp(1.5rem, 5vw, 4rem);
}

.c-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    width: fit-content;
    padding-block: 0.4rem;
    padding-inline: 0.75rem;
    border-width: 1px;
    border-style: solid;
    border-color: rgb(34 197 94 / 40%);
    border-radius: 999rem;
    color: #bbf7d0;
    font-size: 0.875rem;
    background-color: rgb(34 197 94 / 10%);
}

.c-status::before {
    display: block;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background-color: var(--color-success);
    box-shadow: 0 0 1rem rgb(34 197 94 / 80%);
    content: "";
}

.c-heading {
    margin-block: 1.5rem 0;
    font-size: clamp(2rem, 7vw, 4.5rem);
    line-height: 1;
    letter-spacing: -0.04em;
}

.c-lead {
    max-width: 42rem;
    margin-block: 1.25rem 0;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.c-section__title {
    margin-block: 0 1rem;
    font-size: 1.1rem;
}

.c-endpoint-list {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.c-endpoint {
    display: grid;
    gap: 0.5rem;
    padding-block: 1rem;
    padding-inline: 1rem;
    border-width: 1px;
    border-style: solid;
    border-color: var(--color-border);
    border-radius: 0.75rem;
    text-decoration: none;
    background-color: var(--color-surface-light);
    transition:
        border-color 0.2s ease,
        transform 0.2s ease;
}

.c-endpoint:hover {
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
}

.c-endpoint__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.c-endpoint__method {
    display: inline-flex;
    padding-block: 0.25rem;
    padding-inline: 0.55rem;
    border-radius: 0.35rem;
    color: #fecaca;
    font-size: 0.75rem;
    font-weight: 700;
    background-color: rgb(185 28 28 / 25%);
}

.c-endpoint__path {
    overflow-wrap: anywhere;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.95rem;
}

.c-endpoint__description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.c-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.c-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding-inline: 1rem;
    border-width: 1px;
    border-style: solid;
    border-color: var(--color-border);
    border-radius: 0.65rem;
    text-decoration: none;
    background-color: var(--color-surface-light);
}

.c-button:hover {
    border-color: var(--color-accent-light);
}

.c-button--primary {
    border-color: var(--color-accent);
    background-color: var(--color-accent);
}

.c-footer {
    padding-block: 1.25rem;
    padding-inline: clamp(1.5rem, 5vw, 4rem);
    border-top-width: 1px;
    border-top-style: solid;
    border-top-color: var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}