/* ── Theme variables ────────────────────────────────────────────────────── */
/* Light theme (default) */
:root, [data-theme="light"] {
    --body-bg:            #ffffff;
    --body-color:         #212529;
    --top-row-bg:         #f7f7f7;
    --top-row-border:     #d6d5d5;
    --link-color:         #0071c1;
    --code-color:         #c02d76;
    --input-bg:           #ffffff;
    --input-color:        #212529;
    --input-border:       #ced4da;

    /* Markdown */
    --md-color:           #212529;
    --md-h1-border:       #dee2e6;
    --md-h2-border:       #e9ecef;
    --md-border:          #d0d7de;
    --md-code-bg:         #f0f3f6;
    --md-code-color:      #1f2328;
    --md-pre-bg:          #f6f8fa;
    --md-pre-border:      #e1e4e8;
    --md-table-head-bg:   #f6f8fa;
    --md-table-stripe-bg: #f9fafb;
    --md-blockquote-color:#57606a;
    --md-blockquote-bg:   #f6f8fa;
    --md-blockquote-border:#d0d7de;
    --md-hr:              #d0d7de;
    --md-link:            #0969da;

    /* Playground */
    --pg-bg:              #f8f9fa;
    --pg-border:          #dee2e6;
    --pg-text:            #212529;
    --pg-text-muted:      #495057;
    --pg-text-secondary:  #6c757d;
    --pg-active-bg:       #e8f0fe;
    --pg-active-color:    #1a56db;
    --pg-item-head-bg:    #f8f9fa;
    --pg-item-open-bg:    #e7f0ff;
    --pg-item-open-border:#c9d9f8;
    --pg-item-hover-bg:   #e9ecef;
    --pg-item-open-hover: #dceafe;
    --pg-item-border:     #dee2e6;
    --pg-item-open-shadow:rgba(13,110,253,0.15);
    --pg-fields-bg:       #fdfdfd;
    --pg-fields-border:   #e9ecef;
    --pg-meta-bg:         #f8f9fa;
    --pg-wire-key-bg:     #e8f0fe;
    --pg-wire-key-color:  #1a56db;
    --pg-wire-key-border: #c7d7fb;
    --pg-error-bg:        #fff5f5;
    --pg-error-color:     #c53030;
    --pg-error-border:    #feb2b2;
    --pg-section-title:   #212529;
    --pg-section-border:  #dee2e6;
    --pg-toc-color:       #495057;
    --pg-toc-hover-bg:    #f0f0f0;
    --pg-toc-hover-color: #212529;

    /* Demo pages */
    --demo-note-bg:       #f8f9fa;
    --demo-note-border:   #e9ecef;
    --demo-canvas-border: #dee2e6;
    --demo-shape-border:  #f0f0f0;
    --demo-btn-bg:        #f8f9fa;
    --demo-btn-border:    #dee2e6;
    --demo-btn-hover-bg:  #e9ecef;
    --demo-btn-hover-border:#adb5bd;
}

/* Dark theme */
[data-theme="dark"] {
    --body-bg:            #0d1117;
    --body-color:         #c9d1d9;
    --top-row-bg:         #161b22;
    --top-row-border:     #30363d;
    --link-color:         #58a6ff;
    --code-color:         #ff7b72;
    --input-bg:           #21262d;
    --input-color:        #c9d1d9;
    --input-border:       #30363d;

    /* Markdown */
    --md-color:           #c9d1d9;
    --md-h1-border:       #30363d;
    --md-h2-border:       #21262d;
    --md-border:          #30363d;
    --md-code-bg:         #1f2937;
    --md-code-color:      #e6edf3;
    --md-pre-bg:          #161b22;
    --md-pre-border:      #30363d;
    --md-table-head-bg:   #161b22;
    --md-table-stripe-bg: #0d1117;
    --md-blockquote-color:#8b949e;
    --md-blockquote-bg:   #161b22;
    --md-blockquote-border:#30363d;
    --md-hr:              #30363d;
    --md-link:            #58a6ff;

    /* Playground */
    --pg-bg:              #161b22;
    --pg-border:          #30363d;
    --pg-text:            #c9d1d9;
    --pg-text-muted:      #8b949e;
    --pg-text-secondary:  #8b949e;
    --pg-active-bg:       #1f3a5f;
    --pg-active-color:    #79c0ff;
    --pg-item-head-bg:    #161b22;
    --pg-item-open-bg:    #1a2744;
    --pg-item-open-border:#2d4070;
    --pg-item-hover-bg:   #21262d;
    --pg-item-open-hover: #1f3055;
    --pg-item-border:     #30363d;
    --pg-item-open-shadow:rgba(56,139,253,0.2);
    --pg-fields-bg:       #0d1117;
    --pg-fields-border:   #21262d;
    --pg-meta-bg:         #161b22;
    --pg-wire-key-bg:     #1a2744;
    --pg-wire-key-color:  #79c0ff;
    --pg-wire-key-border: #2d4070;
    --pg-error-bg:        #2d1b1b;
    --pg-error-color:     #ff7b72;
    --pg-error-border:    #6e2c2c;
    --pg-section-title:   #e6edf3;
    --pg-section-border:  #30363d;
    --pg-toc-color:       #8b949e;
    --pg-toc-hover-bg:    #21262d;
    --pg-toc-hover-color: #c9d1d9;

    /* Demo pages */
    --demo-note-bg:       #161b22;
    --demo-note-border:   #30363d;
    --demo-canvas-border: #30363d;
    --demo-shape-border:  #21262d;
    --demo-btn-bg:        #21262d;
    --demo-btn-border:    #30363d;
    --demo-btn-hover-bg:  #2d333b;
    --demo-btn-hover-border:#8b949e;
}

/* Apply body background / text from variables */
html, body {
    background-color: var(--body-bg);
    color: var(--body-color);
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* Bootstrap overrides for dark mode */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] .input-group-text {
    background-color: var(--input-bg);
    color: var(--input-color);
    border-color: var(--input-border);
}

[data-theme="dark"] .form-check-input {
    background-color: var(--input-bg);
    border-color: var(--input-border);
}

[data-theme="dark"] .badge.bg-secondary {
    background-color: #30363d !important;
}

[data-theme="dark"] .text-muted {
    color: #8b949e !important;
}

[data-theme="dark"] .alert-info {
    background-color: #1a2744;
    border-color: #2d4070;
    color: #79c0ff;
}

[data-theme="dark"] .alert-danger {
    background-color: #2d1b1b;
    border-color: #6e2c2c;
    color: #ff7b72;
}

[data-theme="dark"] .table {
    color: var(--body-color);
    border-color: var(--md-border);
}

[data-theme="dark"] .table-bordered > :not(caption) > * > * {
    border-color: var(--md-border);
}

/* Theme toggle button */
.theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    background: transparent;
    color: var(--body-color);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    flex-shrink: 0;
}

.theme-toggle-btn:hover {
    background: var(--pg-item-hover-bg);
}

.theme-toggle-btn svg {
    width: 1rem;
    height: 1rem;
    display: block;
}

html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

h1:focus {
    outline: none;
}

a, .btn-link {
    color: var(--link-color);
}

.btn-primary {
    color: #fff;
    background-color: #512BD4;
    border-color: #4520b5;
}

.btn-primary:hover {
    color: #fff;
    background-color: #4520b5;
    border-color: #3b1a9a;
}

.btn-primary:active, .btn-primary.active {
    color: #fff;
    background-color: #3b1a9a;
    border-color: #321582;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #7c4dff;
}

/* ── Connect button pulse animation ─────────────────────────────────────── */

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0    0 rgba(255, 255, 255, 0.6),
                            0 0 0    0 rgba(81,  43,  212, 0.5); }
    50%      { box-shadow: 0 0 8px  3px rgba(255, 255, 255, 0),
                            0 0 18px 8px rgba(81,  43,  212, 0); }
}

.btn-connect-pulse {
    animation: pulse-glow 1.5s ease-in-out infinite;
}

.content {
    padding-top: 1.1rem;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #e0e0e0;
        stroke-width: 0.6rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: #1b6ec2;
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Loading");
    }

code {
    color: var(--code-color);
}

/* ── Playground: global search bar ─────────────────────────────────────── */

.playground-search-bar .input-group {
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    border-radius: 6px;
}

.playground-search-bar .input-group-text,
.playground-search-bar .form-control,
.playground-search-bar .btn {
    border-color: var(--input-border);
    background-color: var(--input-bg);
    color: var(--input-color);
}

.playground-search-bar .form-control:focus {
    box-shadow: none;
    border-color: #86b7fe;
}

/* ── Playground: two-column layout (sticky ToC + content) ───────────────── */

.playground-layout {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

/* ── Playground: sticky ToC ─────────────────────────────────────────────── */

.playground-toc {
    flex: 0 0 160px;
    position: sticky;
    top: 3.5rem; /* matches .top-row height */
    max-height: calc(100vh - 3.5rem - 320px);
    overflow-y: auto;
    padding-bottom: 1rem;
}

.playground-toc-title {
    font-size: 0.7rem;
    letter-spacing: 0.05em;
}

.playground-toc-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 5px 8px;
    border-radius: 4px;
    text-decoration: none;
    color: var(--pg-toc-color);
    font-size: 0.85rem;
    line-height: 1.3;
    transition: background 0.1s;
    /* button reset */
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.playground-toc-item:hover {
    background: var(--pg-toc-hover-bg);
    color: var(--pg-toc-hover-color);
    text-decoration: none;
}

.playground-toc-item.active {
    background: var(--pg-active-bg);
    color: var(--pg-active-color);
    font-weight: 600;
}

.playground-toc-name {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.playground-toc-badges {
    flex: 0 0 auto;
    display: flex;
    gap: 3px;
}

.playground-toc-badges .badge {
    font-size: 0.65rem;
    padding: 1px 5px;
}

/* ── Playground: scrollable content area ────────────────────────────────── */

.playground-content {
    flex: 1 1 0;
    min-width: 0;
}

/* ── Playground: subsystem section ─────────────────────────────────────── */

.playground-section {
    margin-bottom: 2.5rem;
    scroll-margin-top: 4.5rem; /* clear sticky top-row on anchor jump */
}

.playground-section-header {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    padding-bottom: 0.5rem;
    margin-bottom: 0.75rem;
    border-bottom: 2px solid var(--pg-section-border);
}

.playground-section-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--pg-section-title);
}

.playground-section-badges {
    display: flex;
    gap: 4px;
}

/* ── Playground: individual item (command / stream) ─────────────────────── */

.playground-item {
    border: 1px solid var(--pg-item-border);
    border-radius: 6px;
    overflow: hidden;
    transition: border-color 0.15s;
}

.playground-item:hover {
    border-color: var(--pg-border);
}

.playground-item--open {
    border-color: #0d6efd;
    box-shadow: 0 0 0 1px var(--pg-item-open-shadow);
}

.playground-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.55rem 0.85rem;
    background: var(--pg-item-head-bg);
    cursor: pointer;
    user-select: none;
    transition: background 0.1s;
}

.playground-item--open .playground-item-header {
    background: var(--pg-item-open-bg);
    border-bottom: 1px solid var(--pg-item-open-border);
}

.playground-item-header:hover {
    background: var(--pg-item-hover-bg);
}

.playground-item--open .playground-item-header:hover {
    background: var(--pg-item-open-hover);
}

.playground-item-left {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    min-width: 0;
}

.playground-item-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    max-width: 55%;
}

.playground-item-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--pg-text);
}

.playground-item-desc {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.8rem;
    max-width: 40ch;
    color: var(--pg-text-muted);
}

.playground-item-arrow {
    font-size: 0.75rem;
    color: var(--pg-text-secondary);
    flex-shrink: 0;
}

/* ── Playground: method badges ──────────────────────────────────────────── */

.playground-method-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: monospace;
    letter-spacing: 0.03em;
    flex-shrink: 0;
}

.playground-method-badge--cmd {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

.playground-method-badge--stream {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

/* ── Playground: resource badge ─────────────────────────────────────────── */

.playground-resource-badge {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffc107;
    font-size: 0.7rem;
}

/* ── Playground: item body ──────────────────────────────────────────────── */

.playground-item-body {
    padding: 1rem;
    border-top: 1px solid var(--pg-item-border);
    background: var(--body-bg);
}

.playground-item--open .playground-item-body {
    border-top-color: var(--pg-item-open-border);
}

/* ── Playground: section label (Request / Response / etc.) ─────────────── */

.playground-section-label {
    text-transform: uppercase;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--pg-text-secondary);
    margin-bottom: 0.5rem;
}

/* ── Playground: metadata row ───────────────────────────────────────────── */

.playground-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.75rem;
    padding: 0.4rem 0.6rem;
    background: var(--pg-meta-bg);
    border-radius: 4px;
    font-size: 0.82rem;
    color: var(--pg-text);
}

/* ── Playground: error code pill ────────────────────────────────────────── */

.playground-error-code {
    background: var(--pg-error-bg);
    color: var(--pg-error-color);
    border: 1px solid var(--pg-error-border);
    border-radius: 3px;
    font-size: 0.78rem;
    padding: 1px 5px;
}

/* ── Playground: request fields container ───────────────────────────────── */

.playground-fields {
    padding: 0.75rem;
    background: var(--pg-fields-bg);
    border: 1px solid var(--pg-fields-border);
    border-radius: 4px;
}

/* ── Playground: wire key badge in FieldInput label ─────────────────────── */

.playground-wire-key {
    background: var(--pg-wire-key-bg);
    color: var(--pg-wire-key-color);
    border: 1px solid var(--pg-wire-key-border);
    border-radius: 3px;
    font-size: 0.75rem;
    padding: 1px 5px;
}

/* ── Responsive: hide ToC on small screens ──────────────────────────────── */

@media (max-width: 767px) {
    .playground-toc {
        display: none;
    }

    .playground-item-right {
        max-width: 100%;
    }

    .playground-item-desc {
        display: none;
    }
}

/* ── RPC Console fixed footer ───────────────────────────────────────────── */

.rpc-console-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #1e1e1e;
    border-top: 1px solid #3c3c3c;
    color: #d4d4d4;
}

/* ── Drag handle ─────────────────────────────────────────────────────────── */

.rpc-console-drag-handle {
    height: 8px;
    cursor: ns-resize;
    background: #252526;
    border-bottom: 1px solid #3c3c3c;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
}

.rpc-console-drag-handle:hover {
    background: #2d2d30;
}

.rpc-console-drag-dots::before {
    content: '· · · · ·';
    font-size: 0.6em;
    color: #555;
    letter-spacing: 3px;
    line-height: 1;
}

/* ── Toolbar ─────────────────────────────────────────────────────────────── */

.rpc-console-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px;
    height: 36px;
    flex-shrink: 0;
}

.rpc-console-toolbar:hover {
    background: rgba(255,255,255,0.03);
}

.rpc-console-toggle {
    color: #d4d4d4;
    font-size: 0.8em;
    line-height: 1;
    pointer-events: none; /* purely decorative — parent handles click */
}

.rpc-console-title {
    font-size: 0.85em;
    font-weight: 600;
    white-space: nowrap;
}

.rpc-console-toolbar-controls {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ── Log area ────────────────────────────────────────────────────────────── */

.rpc-console-log {
    height: 260px;
    overflow-y: auto;
    padding: 6px 8px;
}

/* ── Individual log entries ──────────────────────────────────────────────── */

.rpc-entry {
    padding: 3px 6px;
    margin-bottom: 1px;
    border-left: 3px solid transparent;
    border-radius: 0 2px 2px 0;
}

.rpc-entry--cmd {
    border-left-color: #569cd6;
    background: rgba(86,156,214,0.06);
}

.rpc-entry--resp {
    border-left-color: #4ec9b0;
    background: rgba(78,201,176,0.06);
}

.rpc-entry--event {
    border-left-color: #9cdcfe;
    background: rgba(156,220,254,0.06);
}

.rpc-entry--error {
    border-left-color: #f44747;
    background: rgba(244,71,71,0.08);
}

.rpc-entry-arrow {
    color: inherit;
    margin-left: 4px;
    user-select: none;
    font-family: monospace;
}

.rpc-entry--cmd    .rpc-entry-arrow { color: #569cd6; }
.rpc-entry--resp   .rpc-entry-arrow { color: #4ec9b0; }
.rpc-entry--event  .rpc-entry-arrow { color: #9cdcfe; }
.rpc-entry--error  .rpc-entry-arrow { color: #f44747; }

.rpc-entry-name {
    color: #9cdcfe;
}

/* ── Command + Response groups ───────────────────────────────────────────── */

.rpc-entry-group {
    border-left: 3px solid #569cd6;
    border-radius: 0 2px 2px 0;
    margin-bottom: 4px;
    background: rgba(86,156,214,0.03);
}

/* Entries inside a group lose their individual left border (group provides it) */
.rpc-entry-group .rpc-entry {
    border-left: none;
    border-radius: 0;
    margin-bottom: 0;
}

/* Response inside a group gets a subtle separator and slight indent */
.rpc-entry-group .rpc-entry--grouped-response {
    border-top: 1px solid rgba(78,201,176,0.15);
    padding-left: 12px;
    background: rgba(78,201,176,0.04);
}

/* On desktop (sidebar is 250px wide), offset footer to start after the sidebar */
@media (min-width: 641px) {
    .rpc-console-footer {
        left: 250px;
    }
}

/* Pad the main content area so it is never hidden behind the footer */
.content {
    padding-bottom: 320px; /* expanded console (~300px) + comfortable gap */
}

/* Reduce bottom padding when console is collapsed */
.rpc-console-footer--collapsed ~ * .content,
body:has(.rpc-console-footer--collapsed) .content {
    padding-bottom: 60px;
}

/* ── Demo pages: shared ─────────────────────────────────────────────────── */

.demo-page h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.demo-page .demo-description {
    color: var(--pg-text-secondary);
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
}

.demo-disconnected {
    color: var(--pg-text-secondary);
}

/* ── LED Color Picker demo ──────────────────────────────────────────────── */

.led-picker-layout {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: flex-start;
}

.led-picker-left {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.led-picker-right {
    flex: 1 1 220px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 200px;
}

.led-color-preview {
    width: 100%;
    height: 80px;
    border-radius: 8px;
    border: 1px solid #dee2e6;
    transition: background-color 0.05s;
}

.led-canvas-wrap {
    position: relative;
    cursor: crosshair;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--demo-canvas-border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.led-canvas-wrap canvas {
    display: block;
}

.led-hue-cursor {
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(0,0,0,0.15);
    pointer-events: none;
    transform: translate(-50%, -50%);
}

.led-slider-label {
    font-size: 0.8rem;
    color: var(--pg-text-muted);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
}

.led-slider-r { accent-color: #dc3545; }
.led-slider-g { accent-color: #198754; }
.led-slider-b { accent-color: #0d6efd; }
.led-slider-v { accent-color: #6c757d; }

.led-hex-input {
    font-family: monospace;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.led-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.led-preset-swatch {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 2px solid rgba(0,0,0,0.15);
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s;
    padding: 0;
}

.led-preset-swatch:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.led-preset-swatch:focus {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

.led-note {
    font-size: 0.78rem;
    color: var(--pg-text-secondary);
    background: var(--demo-note-bg);
    border: 1px solid var(--demo-note-border);
    border-radius: 4px;
    padding: 0.4rem 0.6rem;
}

/* ── Screen Canvas demo ─────────────────────────────────────────────────── */

.canvas-demo-layout {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: flex-start;
}

.canvas-demo-left {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.canvas-demo-right {
    flex: 1 1 220px;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.canvas-toolbar {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.canvas-tool-btn {
    padding: 5px 12px;
    font-size: 0.82rem;
    border-radius: 4px;
    border: 1px solid var(--demo-btn-border);
    background: var(--demo-btn-bg);
    color: var(--body-color);
    cursor: pointer;
    transition: background 0.1s, border-color 0.1s;
    white-space: nowrap;
}

.canvas-tool-btn:hover {
    background: var(--demo-btn-hover-bg);
    border-color: var(--demo-btn-hover-border);
}

.canvas-tool-btn--active {
    background: #dbeafe;
    border-color: #93c5fd;
    color: #1e40af;
    font-weight: 600;
}

.canvas-wrap {
    cursor: crosshair;
    border: 2px solid #212529;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    display: inline-block;
    background: white;
}

.canvas-wrap canvas {
    display: block;
    image-rendering: pixelated;
}

.canvas-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.canvas-shape-list {
    max-height: 260px;
    overflow-y: auto;
    border: 1px solid var(--demo-canvas-border);
    border-radius: 4px;
    font-size: 0.82rem;
}

.canvas-shape-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    border-bottom: 1px solid var(--demo-shape-border);
    gap: 4px;
    color: var(--body-color);
}

.canvas-shape-item:last-child {
    border-bottom: none;
}

.canvas-shape-item code {
    font-size: 0.75rem;
    color: var(--pg-text-muted);
}

.canvas-op-counter {
    font-size: 0.78rem;
    color: var(--body-color);
}

.canvas-op-counter--warn {
    color: #856404;
    font-weight: 600;
}

.canvas-op-counter--danger {
    color: #dc3545;
    font-weight: 700;
}

.canvas-status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.canvas-status-badge--idle {
    background: #e9ecef;
    color: #495057;
}

.canvas-status-badge--acquired {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.canvas-status-badge--sending {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* ── Flipper Gamepad (Snake) demo ───────────────────────────────────────── */

.gamepad-layout {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    align-items: flex-start;
}

.gamepad-left {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.gamepad-right {
    flex: 1 1 220px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.snake-canvas-wrap {
    border: 2px solid #212529;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.snake-canvas-wrap canvas {
    display: block;
}

.gamepad-viz {
    display: grid;
    grid-template-columns: repeat(3, 44px);
    grid-template-rows: repeat(3, 44px);
    gap: 4px;
}

.gamepad-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--demo-btn-hover-border);
    background: var(--demo-btn-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--pg-text-muted);
    transition: background 0.08s, border-color 0.08s, color 0.08s, box-shadow 0.08s;
    user-select: none;
}

.gamepad-btn--pressed {
    background: #212529;
    border-color: #212529;
    color: white;
    box-shadow: 0 0 0 3px rgba(33,37,41,0.25);
}

.gamepad-btn--ok.gamepad-btn--pressed {
    background: #0d6efd;
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13,110,253,0.3);
}

.gamepad-btn--back.gamepad-btn--pressed {
    background: #dc3545;
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220,53,69,0.3);
}

.gamepad-btn--empty {
    visibility: hidden;
}

.gamepad-score-panel {
    display: flex;
    gap: 1rem;
    align-items: baseline;
}

.gamepad-score {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    color: var(--body-color);
}

.gamepad-score-label {
    font-size: 0.8rem;
    color: var(--pg-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gamepad-state-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.gamepad-state-badge--idle {
    background: #e9ecef;
    color: #495057;
}

.gamepad-state-badge--playing {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.gamepad-state-badge--gameover {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.gamepad-controls-hint {
    font-size: 0.78rem;
    color: var(--pg-text-secondary);
    background: var(--demo-note-bg);
    border: 1px solid var(--demo-note-border);
    border-radius: 4px;
    padding: 0.5rem 0.75rem;
    line-height: 1.6;
}

/* ── Markdown rendered documentation ────────────────────────────────────── */

.markdown-body {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--md-color);
    max-width: 900px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.markdown-body h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--md-h1-border);
    color: var(--md-color);
}

.markdown-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--md-h2-border);
    color: var(--md-color);
}

.markdown-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--md-color);
}

.markdown-body h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--md-color);
}

.markdown-body h5, .markdown-body h6 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--md-color);
}

.markdown-body p {
    margin-bottom: 1rem;
}

.markdown-body a {
    color: var(--md-link);
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

.markdown-body strong {
    font-weight: 600;
}

/* Code: inline */
.markdown-body code {
    padding: 0.2em 0.4em;
    font-size: 0.875em;
    background: var(--md-code-bg);
    border-radius: 4px;
    color: var(--md-code-color);
}

/* Code: blocks */
.markdown-body pre {
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.5;
    background: var(--md-pre-bg);
    border: 1px solid var(--md-pre-border);
    border-radius: 6px;
    margin-bottom: 1rem;
}

.markdown-body pre code {
    padding: 0;
    background: none;
    border-radius: 0;
    font-size: inherit;
    color: var(--md-code-color);
}

/* Tables — block-level so overflow-x: auto enables horizontal scroll on wide tables */
.markdown-body table {
    display: block;
    overflow-x: auto;
    width: max-content;
    min-width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    font-family: var(--bs-font-monospace);
    white-space: nowrap;
}

.markdown-body table th,
.markdown-body table td {
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--md-border);
    text-align: left;
    white-space: nowrap;
}

.markdown-body table th {
    font-weight: 600;
    background: var(--md-table-head-bg);
}

.markdown-body table tr:nth-child(even) td {
    background: var(--md-table-stripe-bg);
}

/* Lists */
.markdown-body ul,
.markdown-body ol {
    padding-left: 2em;
    margin-bottom: 1rem;
    color: var(--md-color);
}

.markdown-body li {
    margin-bottom: 0.3rem;
}

.markdown-body li > ul,
.markdown-body li > ol {
    margin-top: 0.3rem;
    margin-bottom: 0;
}

/* Blockquotes */
.markdown-body blockquote {
    padding: 0.5rem 1rem;
    margin: 0 0 1rem 0;
    color: var(--md-blockquote-color);
    border-left: 4px solid var(--md-blockquote-border);
    background: var(--md-blockquote-bg);
    border-radius: 0 4px 4px 0;
}

.markdown-body blockquote > :last-child {
    margin-bottom: 0;
}

/* Horizontal rules */
.markdown-body hr {
    height: 2px;
    background: var(--md-hr);
    border: none;
    margin: 2rem 0;
}

/* Images */
.markdown-body img {
    max-width: 100%;
    height: auto;
}

/* Task lists (GFM checkboxes) */
.markdown-body .contains-task-list {
    list-style: none;
    padding-left: 1.5em;
}

.markdown-body .task-list-item input[type="checkbox"] {
    margin-right: 0.5em;
}

/* Definition lists (Markdig advanced) */
.markdown-body dl {
    margin-bottom: 1rem;
}

.markdown-body dt {
    font-weight: 600;
    margin-top: 0.75rem;
}

.markdown-body dd {
    margin-left: 1.5em;
    margin-bottom: 0.5rem;
}