/* Theme overrides — Light */
:root {
    --pico-background-color: #f8f9fa;
    --pico-color: #1a1a2e;
    --pico-primary: #2563eb;
    --pico-primary-hover: #1d4ed8;
    --pico-secondary: #6b7280;
    --pico-secondary-hover: #4b5563;
    --pico-contrast: #dc2626;
    --pico-contrast-hover: #b91c1c;
    --pico-card-background-color: #ffffff;
    --pico-card-border-color: #e5e7eb;
    --pico-muted-color: #6b7280;
    --pico-muted-border-color: #d1d5db;
    --nav-search-bg: #fff;
    --nav-search-color: #1a1a2e;
    --mark-bg: #fff3cd;
    --mark-color: inherit;
    --editor-btn-color: #2c3e50;
    --editor-btn-hover-bg: #e8e8e8;
    --editor-btn-hover-border: #ccc;
    --editor-btn-active-bg: #e0e0e0;
    --editor-btn-active-border: #aaa;
    --editor-separator-color: #d9d9d9;
    --diff-add-bg: #d4edda;
    --diff-add-color: inherit;
    --diff-chg-bg: #fff3cd;
    --diff-chg-color: inherit;
    --diff-sub-bg: #f8d7da;
    --diff-sub-color: inherit;
    --flash-error-bg: #fef2f2;
    --flash-error-color: #991b1b;
    --flash-error-border: #ef4444;
    --flash-success-bg: #f0fdf4;
    --flash-success-color: #166534;
    --flash-success-border: #22c55e;
}

/* Theme overrides — Dark */
[data-theme="dark"] {
    --pico-background-color: #13151a;
    --pico-color: #e2e8f0;
    --pico-primary: #60a5fa;
    --pico-primary-hover: #93bbfd;
    --pico-secondary: #94a3b8;
    --pico-secondary-hover: #cbd5e1;
    --pico-contrast: #f87171;
    --pico-contrast-hover: #fca5a5;
    --pico-card-background-color: #1e2028;
    --pico-card-border-color: #2d3748;
    --pico-muted-color: #94a3b8;
    --pico-muted-border-color: #374151;
    --nav-search-bg: #2d3748;
    --nav-search-color: #e2e8f0;
    --mark-bg: #854d0e;
    --mark-color: #fef3c7;
    --editor-btn-color: #cbd5e1;
    --editor-btn-hover-bg: #374151;
    --editor-btn-hover-border: #4b5563;
    --editor-btn-active-bg: #4b5563;
    --editor-btn-active-border: #6b7280;
    --editor-separator-color: #374151;
    --diff-add-bg: #1a3a2a;
    --diff-add-color: #a7f3d0;
    --diff-chg-bg: #3d2e0a;
    --diff-chg-color: #fde68a;
    --diff-sub-bg: #3b1a1e;
    --diff-sub-color: #fca5a5;
    --flash-error-bg: #451a1e;
    --flash-error-color: #fca5a5;
    --flash-error-border: #ef4444;
    --flash-success-bg: #14432a;
    --flash-success-color: #86efac;
    --flash-success-border: #22c55e;
}

/* Layout */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--pico-background-color);
    color: var(--pico-color);
}

main {
    flex: 1;
}

/* Buttons */
[role="button"].outline,
button.outline {
    border-width: 2px;
}

a[role="button"].outline {
    color: var(--pico-primary);
    border-color: var(--pico-primary);
}

a[role="button"].outline:hover {
    background-color: var(--pico-primary);
    color: #fff;
}

a[role="button"].outline.secondary {
    color: var(--pico-secondary);
    border-color: var(--pico-secondary);
}

a[role="button"].outline.secondary:hover {
    background-color: var(--pico-secondary);
    color: #fff;
}

button.outline.contrast {
    color: var(--pico-contrast);
    border-color: var(--pico-contrast);
}

button.outline.contrast:hover {
    background-color: var(--pico-contrast);
    color: #fff;
}

button[type="submit"]:not(.outline) {
    background-color: var(--pico-primary);
    border-color: var(--pico-primary);
    color: #fff;
}

button[type="submit"]:not(.outline):hover {
    background-color: var(--pico-primary-hover);
    border-color: var(--pico-primary-hover);
}

/* Top navigation bar */
body > nav {
    background-color: #1e293b;
    padding: 0.5rem 1rem;
}

body > nav a, body > nav strong {
    color: #f1f5f9 !important;
}

body > nav a:hover {
    color: #fff !important;
}

body > nav .search-form {
    margin: 0;
}

body > nav .search-form input {
    margin: 0;
    padding: 0.25rem 0.5rem;
    height: auto;
    color: var(--nav-search-color);
    background-color: var(--nav-search-bg);
}

/* Sidebar */
.sidebar-nav {
    background-color: transparent;
    padding: 0;
}

.sidebar-nav h4 {
    color: var(--pico-color);
}

.sidebar-nav a {
    color: var(--pico-primary) !important;
}

/* Sidebar + content grid */
.layout-grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--pico-grid-column-gap);
}

@media (max-width: 768px) {
    .layout-grid {
        grid-template-columns: 1fr;
    }

    #sidebar {
        max-width: none;
    }
}

#sidebar {
    max-width: 220px;
}

#sidebar h4 {
    margin-bottom: 0.5rem;
}

.sidebar-pages {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-pages li {
    padding: 0.15rem 0;
}

.sidebar-pages li a {
    font-size: 0.9rem;
    text-decoration: none;
}

/* Page actions bar */
.page-actions ul {
    list-style: none;
    display: flex;
    gap: 0.5rem;
    padding: 0;
    margin: 0;
}

.page-actions a[role="button"],
.page-actions button {
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
}

/* Wiki content */
.wiki-content {
    padding: 0;
    box-shadow: none;
}

.wiki-content img {
    max-width: 100%;
}

/* TOC */
.toc {
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    border-left: 3px solid var(--pico-primary);
}

.toc ul {
    margin: 0.25rem 0;
}

/* Backlinks */
.backlinks {
    margin-top: 2rem;
    padding: 0.5rem 1rem;
    border-left: 3px solid var(--pico-secondary);
}

/* Flash messages */
.flash {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}

.flash-success {
    background-color: var(--flash-success-bg);
    color: var(--flash-success-color);
    border-left: 4px solid var(--flash-success-border);
}

.flash-error {
    background-color: var(--flash-error-bg);
    color: var(--flash-error-color);
    border-left: 4px solid var(--flash-error-border);
}

/* Search results */
.search-results {
    list-style: none;
    padding: 0;
}

.search-results li {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--pico-muted-border-color);
}

.search-results mark {
    background-color: var(--mark-bg);
    color: var(--mark-color);
    padding: 0.1em 0.2em;
}

/* EasyMDE toolbar - reset Pico CSS overrides */
.EasyMDEContainer .editor-toolbar button {
    all: revert;
    display: inline-block;
    width: 30px;
    height: 30px;
    margin: 0;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 3px;
    cursor: pointer;
    text-align: center;
    background-color: transparent;
    color: var(--editor-btn-color) !important;
}

.EasyMDEContainer .editor-toolbar button:hover {
    background-color: var(--editor-btn-hover-bg);
    border-color: var(--editor-btn-hover-border);
}

.EasyMDEContainer .editor-toolbar button.active {
    background-color: var(--editor-btn-active-bg);
    border-color: var(--editor-btn-active-border);
}

.EasyMDEContainer .editor-toolbar i.separator {
    border-left: 1px solid var(--editor-separator-color);
    display: inline-block;
    width: 0;
    height: 30px;
    margin: 0 6px;
}

/* Edit page actions (Save / Cancel) */
.edit-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.edit-actions button,
.edit-actions a[role="button"] {
    display: block;
    flex: 1 1 0%;
    width: 0;
    margin-bottom: 0;
    text-align: center;
    box-sizing: border-box;
}

/* Code highlighting layout */
.highlight pre {
    padding: 1rem;
    border-radius: 0.25rem;
    overflow-x: auto;
}

/* Footer */
footer {
    text-align: center;
    padding: 1rem 0;
}

/* Breadcrumbs */
.breadcrumbs {
    list-style: none;
    display: flex;
    padding: 0;
    margin: 0 0 1rem 0;
    font-size: 0.9rem;
}

.breadcrumbs li::after {
    content: " / ";
    margin: 0 0.25rem;
    color: var(--pico-muted-color);
}

.breadcrumbs li:last-child::after {
    content: "";
}

/* Wiki link autocomplete */
.wiki-autocomplete {
    background: var(--pico-card-background-color);
    border: 1px solid var(--pico-muted-border-color);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    max-height: 200px;
    overflow-y: auto;
    min-width: 200px;
}

.wiki-autocomplete-item {
    padding: 0.4rem 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.wiki-autocomplete-item:hover,
.wiki-autocomplete-item.active {
    background-color: var(--pico-primary);
    color: #fff;
}

[data-theme="dark"] .wiki-autocomplete {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* Nav username */
body > nav .nav-username {
    color: #94a3b8;
}

/* Theme toggle button */
#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.2rem;
    color: #f1f5f9;
    line-height: 1;
}

/* EasyMDE dark mode overrides */
[data-theme="dark"] .EasyMDEContainer .CodeMirror {
    background-color: var(--pico-card-background-color);
    color: var(--pico-color);
    border-color: var(--pico-muted-border-color);
}

[data-theme="dark"] .EasyMDEContainer .editor-toolbar {
    border-color: var(--pico-muted-border-color);
}

[data-theme="dark"] .EasyMDEContainer .CodeMirror-cursor {
    border-left-color: var(--pico-color);
}

[data-theme="dark"] .EasyMDEContainer .editor-preview {
    background-color: var(--pico-background-color);
    color: var(--pico-color);
}

[data-theme="dark"] .EasyMDEContainer .editor-preview-side {
    background-color: var(--pico-background-color);
    color: var(--pico-color);
    border-color: var(--pico-muted-border-color);
}

/* Activity feed badges */
.activity-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.activity-created {
    background-color: var(--flash-success-bg);
    color: var(--flash-success-color);
}

.activity-edited {
    background-color: var(--mark-bg);
    color: var(--mark-color);
}

.activity-deleted {
    background-color: var(--flash-error-bg);
    color: var(--flash-error-color);
}

.activity-renamed {
    background-color: var(--mark-bg);
    color: var(--mark-color);
}

.activity-restored {
    background-color: var(--flash-success-bg);
    color: var(--flash-success-color);
}

.activity-updated {
    background-color: var(--pico-muted-border-color);
    color: var(--pico-muted-color);
}

.activity-meta {
    color: var(--pico-muted-color);
}

/* Activity filters */
.activity-filters {
    margin-bottom: 1rem;
}

/* Activity pagination */
.activity-pagination ul {
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 0;
    margin: 1rem 0;
}

.activity-pagination a[aria-disabled="true"] {
    opacity: 0.5;
    pointer-events: none;
}

/* Theme transition — only during user-initiated toggles */
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}