html,
body,
#root {
    height: 100%;
    margin: 0;
}

/* Avoid page-level horizontal scroll (e.g. 100vw vs scrollbar gutter, fixed centering). */
html {
    overflow-x: hidden;
}

body {
    padding: 0;
    color: rgba(255, 255, 255, 0.87);
    background-color: #000000;
    font-family: Arial, Helvetica, sans-serif;
}

#root,
#app {
    width: 100%;
    height: 100%;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    pointer-events: none;
}

#app {
    background-color: #000000;
}

/* Intrinsic 640×360 canvas from Phaser; only this region receives pointer events */
#game-container {
    pointer-events: auto;
    flex: 0 0 auto;
    touch-action: none;
    cursor: default;
}

/* Devblog overlay: centered card vs 640×360 canvas (src/game/main.ts); Close only dismisses. */
.overlay-backdrop {
    --overlay-pad: 16px;
    --overlay-panel-w: 640px;
    --overlay-panel-h: 360px;
    --overlay-gutter: 24px;
    pointer-events: auto;
    position: fixed;
    z-index: 1000;
    inset: 0;
    width: min(
        calc(var(--overlay-panel-w) + 2 * var(--overlay-pad)),
        calc(100% - 2 * var(--overlay-gutter))
    );
    height: fit-content;
    max-height: min(
        calc(var(--overlay-panel-h) + 2 * var(--overlay-pad)),
        calc(100vh - 2 * var(--overlay-gutter)),
        calc(100% - 2 * var(--overlay-gutter))
    );
    margin: auto;
    box-sizing: border-box;
    padding: var(--overlay-pad);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    overflow-x: hidden;
    overflow-y: auto;
    border-radius: 12px;
    cursor: default;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.45);
}

@media (min-width: 720px) {
    .overlay-backdrop {
        --overlay-panel-w: 592px;
        --overlay-panel-h: 333px;
    }
}

.overlay-panel {
    cursor: default;
    box-sizing: border-box;
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
    min-height: 0;
    width: min(var(--overlay-panel-w), 100%);
    height: min(
        var(--overlay-panel-h),
        calc(100vh - 2 * var(--overlay-gutter) - 2 * var(--overlay-pad))
    );
    padding: 0;
    background: #333;
    border: 1px solid rgba(255, 255, 255, 0.12);
    --overlay-fg: rgba(255, 255, 255, 0.78);
    --overlay-fg-strong: rgba(255, 255, 255, 0.88);
    --overlay-fg-faint: rgba(255, 255, 255, 0.4);
    --overlay-link: #a3c4ec;
    --overlay-link-hover: #c4daf7;
    --overlay-divider: rgba(255, 255, 255, 0.12);
    --overlay-close-bg: color-mix(in srgb, var(--overlay-link) 14%, transparent);
    --overlay-close-bg-hover: color-mix(in srgb, var(--overlay-link) 22%, transparent);
    --overlay-close-bg-active: color-mix(in srgb, var(--overlay-link) 30%, transparent);
    --overlay-close-border: color-mix(in srgb, var(--overlay-link) 42%, transparent);
    --overlay-close-border-hover: color-mix(in srgb, var(--overlay-link-hover) 55%, transparent);
    color: var(--overlay-fg);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.overlay-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    padding: 14px 20px;
    border-bottom: 1px solid var(--overlay-divider);
}

.overlay-panel-meta {
    flex-shrink: 0;
    padding: 7px 20px 9px;
    font-size: 0.68rem;
    line-height: 1.35;
    border-top: 1px solid var(--overlay-divider);
    background: rgba(0, 0, 0, 0.18);
}

.overlay-panel-meta .overlay-meta {
    margin: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem 1rem;
    flex-wrap: wrap;
}

.overlay-meta-series,
.overlay-meta-date {
    margin: 0;
    min-width: 0;
    color: var(--overlay-fg-faint);
}

.overlay-meta-date {
    flex-shrink: 0;
}

.overlay-panel-header h2 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--overlay-fg-strong);
}

.overlay-panel-header .overlay-close {
    width: auto;
    min-width: 4.5rem;
    margin: 0;
    padding: 8px 14px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    background-color: var(--overlay-close-bg);
    color: var(--overlay-link);
    border: 1px solid var(--overlay-close-border);
    transition:
        background-color 0.2s,
        border-color 0.2s,
        color 0.2s;
}

.overlay-panel-header .overlay-close:hover {
    background-color: var(--overlay-close-bg-hover);
    border-color: var(--overlay-close-border-hover);
    color: var(--overlay-link-hover);
}

.overlay-panel-header .overlay-close:active {
    background-color: var(--overlay-close-bg-active);
}

.overlay-panel-body {
    flex: 1 1 auto;
    min-height: 0;
    box-sizing: border-box;
    margin: 20px;
    overflow: auto;
}

.overlay-prose {
    line-height: 1.55;
    font-size: 0.95rem;
    color: var(--overlay-fg);
    overflow-wrap: break-word;
    word-break: break-word;
}

.overlay-prose :first-child {
    margin-top: 0;
}

.overlay-prose :last-child {
    margin-bottom: 0;
}

.overlay-prose h1 {
    margin: 0 0 0.75em;
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--overlay-fg-strong);
}

.overlay-prose h2 {
    margin: 1.25em 0 0.5em;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--overlay-fg-strong);
}

.overlay-prose p {
    margin: 0 0 0.85em;
}

.overlay-prose ul,
.overlay-prose ol {
    margin: 0 0 0.85em;
    padding-left: 1.35em;
}

.overlay-prose li {
    margin: 0.35em 0;
}

.overlay-prose li > ul,
.overlay-prose li > ol {
    margin-bottom: 0.35em;
}

.overlay-prose a {
    color: var(--overlay-link);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.overlay-prose a:hover {
    color: var(--overlay-link-hover);
}

.overlay-prose em {
    font-style: italic;
}

.spritePosition {
    margin: 10px 0 0 10px;
    font-size: 0.8em;
}

.button {
    width: 140px;
    margin: 10px;
    padding: 10px;
    background-color: #000000;
    color: rgba(255, 255, 255, 0.87);
    border: 1px solid rgba(255, 255, 255, 0.87);
    cursor: pointer;
    transition: all 0.3s;

    &:hover {
        border: 1px solid #0ec3c9;
        color: #0ec3c9;
    }

    &:active {
        background-color: #0ec3c9;
    }

    /* Disabled styles */
    &:disabled {
        cursor: not-allowed;
        border: 1px solid rgba(255, 255, 255, 0.3);
        color: rgba(255, 255, 255, 0.3);
    }
}