.wiki-layout {
    display: flex;
    flex: 1;
    width: 100%;
    align-items: stretch;
}

.wiki-layout__main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.wiki-sidebar {
    flex: 0 0 260px;
    width: 260px;
    box-sizing: border-box;
    border-right: 1px solid var(--border);
    padding: 20px 16px;
    position: sticky;
    top: 0;
    align-self: flex-start;
    height: 100vh;
    overflow-y: auto;
    transition: width 0.15s ease, padding 0.15s ease;
}

.wiki-sidebar__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    font-weight: 700;
}

.wiki-sidebar__collapse {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--fg-muted);
    cursor: pointer;
    padding: 2px 8px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.wiki-sidebar__collapse:hover {
    color: var(--fg);
}

.wiki-sidebar.is-collapsed {
    flex-basis: 44px;
    width: 44px;
    padding: 20px 8px;
}

.wiki-sidebar.is-collapsed .wiki-sidebar__header-label,
.wiki-sidebar.is-collapsed .wiki-sidebar__tree {
    display: none;
}

.wiki-sidebar.is-collapsed .wiki-sidebar__collapse {
    transform: rotate(180deg);
}

.wiki-sidebar__tree,
.wiki-sidebar__children {
    list-style: none;
    margin: 0;
    padding: 0;
}

.wiki-sidebar__children {
    margin-left: 18px;
    display: none;
}

.wiki-sidebar__item.is-expanded > .wiki-sidebar__children {
    display: block;
}

.wiki-sidebar__row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
}

.wiki-sidebar__toggle {
    background: none;
    border: none;
    color: var(--fg-muted);
    cursor: pointer;
    width: 16px;
    height: 16px;
    flex: none;
    padding: 0;
}

.wiki-sidebar__toggle:not(.wiki-sidebar__toggle--empty)::before {
    content: "\203A";
    display: inline-block;
    transition: transform 0.15s ease;
}

.wiki-sidebar__item.is-expanded > .wiki-sidebar__row > .wiki-sidebar__toggle::before {
    transform: rotate(90deg);
}

.wiki-sidebar__toggle--empty {
    cursor: default;
}

.wiki-sidebar__row a {
    color: var(--fg-muted);
    font-size: 0.92rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.wiki-sidebar__row a:hover {
    color: var(--fg);
    text-decoration: none;
}

.wiki-sidebar__item.is-current > .wiki-sidebar__row a {
    color: var(--accent);
    font-weight: 600;
}

.wiki-search {
    flex: 1;
    max-width: 260px;
    margin: 0 20px;
}

.wiki-search input {
    width: 100%;
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-2);
    color: var(--fg);
}

.wiki-logout-form {
    display: flex;
    align-items: center;
    gap: 8px;
}

.wiki-logout-form span {
    color: var(--fg-muted);
    font-size: 0.9rem;
}

.wiki-logout-form button {
    background: none;
    border: none;
    color: var(--fg-muted);
    font-size: 0.95rem;
    cursor: pointer;
    padding: 0;
}

.wiki-logout-form button:hover {
    color: var(--fg);
    text-decoration: underline;
}

.wiki-messages {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.wiki-messages__item {
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-2);
}

.wiki-messages__item--error {
    border-color: #e06c75;
    color: #e06c75;
}

.wiki-messages__item--success {
    border-color: #6ea8fe;
}

.wiki-breadcrumbs {
    color: var(--fg-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.wiki-tree {
    list-style: none;
    margin: 0;
    padding: 0;
}

.wiki-tree__children {
    list-style: none;
    margin: 4px 0 4px 20px;
    padding: 0;
}

.wiki-tree li {
    padding: 4px 0;
}

.wiki-page__title {
    font-size: 1.8rem;
    margin: 0 0 8px;
}

.wiki-page__meta {
    color: var(--fg-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.wiki-page__actions {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.wiki-page__children-title {
    margin-top: 32px;
    font-size: 1.1rem;
}

.wiki-page__body {
    line-height: 1.7;
}

.wiki-page__body h1,
.wiki-page__body h2,
.wiki-page__body h3 {
    margin: 32px 0 12px;
    line-height: 1.3;
}

.wiki-page__body p {
    margin: 0 0 16px;
}

.wiki-page__body ul,
.wiki-page__body ol {
    margin: 0 0 16px;
    padding-left: 24px;
}

.wiki-page__body blockquote {
    margin: 0 0 16px;
    padding: 4px 16px;
    border-left: 3px solid var(--border);
    color: var(--fg-muted);
}

.wiki-page__body code {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.9em;
}

.wiki-page__body pre {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    overflow-x: auto;
    margin: 0 0 16px;
}

.wiki-page__body pre code {
    background: none;
    border: none;
    padding: 0;
}

.wiki-page__body img {
    max-width: 100%;
    border-radius: 8px;
}

.wiki-page__body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 16px;
}

.wiki-page__body th,
.wiki-page__body td {
    border: 1px solid var(--border);
    padding: 8px 12px;
    text-align: left;
}

.wiki-share {
    margin: 24px 0;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-2);
}

.wiki-share code {
    display: block;
    margin: 8px 0;
    word-break: break-all;
}

.wiki-form__field {
    margin-bottom: 20px;
}

.wiki-form__field label {
    display: block;
    margin-bottom: 6px;
    color: var(--fg-muted);
}

.wiki-form__field input[type="text"],
.wiki-form__field select {
    width: 100%;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-2);
    color: var(--fg);
}

.wiki-form__help {
    color: var(--fg-muted);
    font-size: 0.85rem;
    margin: 4px 0 0;
}

.login-page__title {
    font-size: 1.6rem;
    margin-bottom: 24px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 320px;
}

.login-form__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.login-form__field input {
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-2);
    color: var(--fg);
}

.login-form__error {
    color: #e06c75;
}