/* Code Panel — Show Code Feature
 * Collapsible code panels with syntax highlighting for component demos
 */

/* ─── Toggle Button ─── */
.code-panel {
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
}

.code-panel-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--border-secondary);
    border-radius: 6px;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
}

.code-panel-toggle:hover {
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    border-color: var(--border-primary);
}

.code-panel-toggle i {
    font-size: 0.75rem;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.code-panel.is-open .code-panel-toggle {
    color: var(--fg-brand-primary);
    border-color: var(--border-brand);
    background-color: var(--bg-brand-primary);
}

.code-panel.is-open .code-panel-toggle i {
    transform: rotate(180deg);
}

/* ─── Panel Content Container ─── */
.code-panel-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-radius: 0 0 8px 8px;
}

/* max-height is set dynamically by JS (code-panel.js)
   to match actual content height — no fixed cap */

.code-panel-inner {
    margin-top: 0.75rem;
    border: 1px solid var(--border-secondary);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--bg-secondary);
}

/* ─── Tab Bar ─── */
.code-panel-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-secondary);
    background-color: var(--bg-tertiary);
    padding: 0 0.5rem;
}

.code-panel-tabs.single-tab {
    display: none;
}

.code-tab {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.15s ease;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.code-tab:hover {
    color: var(--text-secondary);
}

.code-tab.active {
    color: var(--fg-brand-primary);
    border-bottom-color: var(--fg-brand-primary);
    font-weight: 600;
}

/* ─── Code Block Wrapper ─── */
.code-block-wrapper {
    position: relative;
}

/* ─── Code Blocks ─── */
pre.code-panel-block {
    display: none;
    margin: 0;
    padding: 1rem 1.25rem;
    padding-right: 3.5rem;
    overflow-x: auto;
    background-color: var(--bg-secondary);
    font-family: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Consolas, monospace;
    font-size: 0.8125rem;
    line-height: 1.7;
    tab-size: 2;
    white-space: pre;
    color: var(--text-primary);
}

pre.code-panel-block.active {
    display: block;
}

pre.code-panel-block code {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    background: none;
    padding: 0;
    border: none;
    color: inherit;
}

/* ─── Copy Button ─── */
.code-copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-secondary);
    border-radius: 6px;
    background-color: var(--bg-primary);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all 0.15s ease;
    z-index: 1;
    opacity: 0;
}

.code-block-wrapper:hover .code-copy-btn {
    opacity: 1;
}

.code-copy-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-secondary-hover);
    border-color: var(--border-primary);
}

.code-copy-btn i {
    font-size: 0.875rem;
}

/* ─── Prism Theme Overrides ─── */
/* Override Prism defaults to use our design tokens */

/* Light mode syntax colors */
.code-panel-block .token.comment,
.code-panel-block .token.prolog,
.code-panel-block .token.doctype,
.code-panel-block .token.cdata {
    color: var(--text-tertiary);
    font-style: italic;
}

.code-panel-block .token.punctuation {
    color: var(--text-tertiary);
}

.code-panel-block .token.tag,
.code-panel-block .token.namespace {
    color: var(--brand-600);
}

.code-panel-block .token.attr-name {
    color: var(--warning-700);
}

.code-panel-block .token.attr-value,
.code-panel-block .token.string {
    color: var(--success-700);
}

.code-panel-block .token.property {
    color: var(--brand-600);
}

.code-panel-block .token.selector,
.code-panel-block .token.important {
    color: var(--warning-700);
}

.code-panel-block .token.keyword {
    color: var(--error-600);
}

.code-panel-block .token.function {
    color: var(--brand-700);
}

.code-panel-block .token.boolean,
.code-panel-block .token.number {
    color: var(--error-600);
}

.code-panel-block .token.operator {
    color: var(--text-secondary);
}

.code-panel-block .token.class-name {
    color: var(--warning-700);
}

.code-panel-block .token.regex,
.code-panel-block .token.variable {
    color: var(--error-600);
}

/* ─── Dark Mode Overrides ─── */
[data-theme="dark"] .code-panel-block .token.tag,
[data-theme="dark"] .code-panel-block .token.namespace {
    color: var(--brand-400);
}

[data-theme="dark"] .code-panel-block .token.attr-name {
    color: var(--warning-400);
}

[data-theme="dark"] .code-panel-block .token.attr-value,
[data-theme="dark"] .code-panel-block .token.string {
    color: var(--success-400);
}

[data-theme="dark"] .code-panel-block .token.property {
    color: var(--brand-400);
}

[data-theme="dark"] .code-panel-block .token.selector,
[data-theme="dark"] .code-panel-block .token.important {
    color: var(--warning-400);
}

[data-theme="dark"] .code-panel-block .token.keyword {
    color: var(--error-400);
}

[data-theme="dark"] .code-panel-block .token.function {
    color: var(--brand-300);
}

[data-theme="dark"] .code-panel-block .token.boolean,
[data-theme="dark"] .code-panel-block .token.number {
    color: var(--error-400);
}

[data-theme="dark"] .code-panel-block .token.operator {
    color: var(--text-secondary);
}

[data-theme="dark"] .code-panel-block .token.class-name {
    color: var(--warning-300);
}

/* System preference dark mode fallback */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .code-panel-block .token.tag,
    :root:not([data-theme="light"]) .code-panel-block .token.namespace {
        color: var(--brand-400);
    }
    :root:not([data-theme="light"]) .code-panel-block .token.attr-name {
        color: var(--warning-400);
    }
    :root:not([data-theme="light"]) .code-panel-block .token.attr-value,
    :root:not([data-theme="light"]) .code-panel-block .token.string {
        color: var(--success-400);
    }
    :root:not([data-theme="light"]) .code-panel-block .token.property {
        color: var(--brand-400);
    }
    :root:not([data-theme="light"]) .code-panel-block .token.selector {
        color: var(--warning-400);
    }
    :root:not([data-theme="light"]) .code-panel-block .token.keyword {
        color: var(--error-400);
    }
    :root:not([data-theme="light"]) .code-panel-block .token.function {
        color: var(--brand-300);
    }
    :root:not([data-theme="light"]) .code-panel-block .token.boolean,
    :root:not([data-theme="light"]) .code-panel-block .token.number {
        color: var(--error-400);
    }
}

/* ─── Placeholder Pages ─── */
.coming-soon-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-tertiary);
}

.coming-soon-placeholder svg {
    margin-bottom: 0.5rem;
}

.coming-soon-icon {
    font-size: 2.5rem;
    color: var(--text-quaternary, var(--text-tertiary));
    margin-bottom: 0.5rem;
    opacity: 0.5;
}

.coming-soon-placeholder h3 {
    margin-top: 0.5rem;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.coming-soon-placeholder p {
    max-width: 400px;
    margin-top: 0.5rem;
    line-height: 1.6;
    font-size: 0.875rem;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
    pre.code-panel-block {
        font-size: 0.75rem;
        padding: 0.75rem 1rem;
        padding-right: 3rem;
    }

    .code-copy-btn {
        opacity: 1;
    }
}