:root {
    --bg-color: #f9f9f9;
    --text-color: #24292e;
    --link-color: #0366d6;
    --border-color: #e1e4e8;
    --header-bg: #ffffff;
    --code-bg: #f6f8fa;
    --sidebar-width: 250px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

:root[data-theme="light"] {
    --bg-color: #f9f9f9;
    --text-color: #24292e;
    --link-color: #0366d6;
    --border-color: #e1e4e8;
    --header-bg: #ffffff;
    --code-bg: #f6f8fa;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-color: #0d1117;
        --text-color: #c9d1d9;
        --link-color: #58a6ff;
        --border-color: #30363d;
        --header-bg: #161b22;
        --code-bg: #161b22;
    }
}

:root[data-theme="dark"] {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --link-color: #58a6ff;
    --border-color: #30363d;
    --header-bg: #161b22;
    --code-bg: #161b22;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--header-bg);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    position: fixed;
    top: 0;
    bottom: 0;
    overflow-y: auto;
}

.sidebar h2 {
    margin-top: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.sidebar nav a {
    display: block;
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 0;
    border-radius: 4px;
}

.sidebar nav a:hover {
    color: var(--link-color);
}

.sidebar .btn {
    display: block;
    width: 100%;
    text-align: center;
    background-color: #238636;
    color: white;
    padding: 0.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
}

.sidebar .btn:hover {
    background-color: #2ea043;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 3rem;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.with-sidebar .main-content {
    margin-left: var(--sidebar-width);
}

.content-wrapper {
    max-width: none;
    margin: 0;
    width: 100%;
}

/* Top bar (if any) */
.topbar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 2rem;
    width: 100%;
}

.topbar a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 1rem;
    font-size: 0.9rem;
}

.topbar a:hover {
    text-decoration: underline;
}

/* Typography & Markdown Content */
.content-body h1, .content-body h2, .content-body h3, .content-body h4 {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
    margin-top: 24px;
    margin-bottom: 16px;
}

.content-body h1 {
    font-size: 2em;
}

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

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

.content-body img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.content-body pre {
    background-color: var(--code-bg);
    padding: 16px;
    border-radius: 6px;
    overflow: auto;
    border: 1px solid var(--border-color);
}

.content-body code {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    background-color: var(--code-bg);
    padding: 0.2em 0.4em;
    border-radius: 6px;
    font-size: 85%;
}

.content-body blockquote {
    padding: 0 1em;
    color: #8b949e;
    border-left: 0.25em solid var(--border-color);
    margin: 0;
}

/* Infobox Sidebar */
.infobox-sidebar {
    float: right;
    width: 300px;
    margin-left: 2rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: var(--header-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
}

.infobox-sidebar img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
    margin: 0 auto 1rem;
}

.infobox-sidebar ul {
    padding-left: 1.5rem;
    margin: 0;
}

/* Forms */
form {
    display: flex;
    flex-direction: column;
}

form p {
    display: flex;
    flex-direction: column;
    margin-top: 0;
    margin-bottom: 1rem;
}

form p label {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

form input[type="text"],
form input[type="password"],
form textarea {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    font-size: 14px;
}

form input[type="text"]:focus,
form input[type="password"]:focus,
form textarea:focus {
    outline: none;
    border-color: var(--link-color);
    box-shadow: 0 0 0 3px rgba(3, 102, 214, 0.3);
}

form textarea {
    min-height: 400px;
    resize: vertical;
}

.form-actions {
    margin-top: 1.5rem;
}

.btn-primary {
    background-color: #238636;
    color: white;
    padding: 6px 16px;
    border: 1px solid rgba(240, 246, 252, 0.1);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    background-color: #2ea043;
    text-decoration: none;
    color: white;
}

.btn-secondary {
    background-color: var(--header-bg);
    color: var(--text-color);
    padding: 6px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    display: inline-block;
    font-family: inherit;
}

.btn-secondary:hover {
    background-color: var(--bg-color);
    text-decoration: none;
    color: var(--text-color);
}

.article-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.article-meta {
    color: #8b949e;
    font-size: 0.85rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.list-meta {
    color: #8b949e;
    font-size: 0.85rem;
    display: block;
    margin-top: 5px;
}

.article-list {
    list-style-type: none;
    padding: 0;
}

.article-list li {
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 6px;
    background-color: var(--header-bg);
}

.article-list li > a {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
    display: inline-block;
}

.article-actions {
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

/* Diff styles */
table.diff {
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    border-collapse: collapse;
    width: 100%;
    font-size: 0.85rem;
    margin-top: 1rem;
    background-color: var(--code-bg);
}
.diff_header {
    background-color: var(--border-color);
    padding: 2px 5px;
    text-align: right;
    color: #8b949e;
}
.diff_next {
    background-color: var(--border-color);
}
.diff_add {
    background-color: rgba(46, 160, 67, 0.2);
}
.diff_chg {
    background-color: rgba(210, 153, 34, 0.2);
}
.diff_sub {
    background-color: rgba(248, 81, 73, 0.2);
}
table.diff td {
    padding: 3px 6px;
    border: 1px solid var(--border-color);
}

/* --- AMBOX (Шаблоны-предупреждения) --- */
.ambox {
    display: flex;
    align-items: center;
    margin: 1rem 0;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-left-width: 5px;
    border-radius: 4px;
    background-color: var(--header-bg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.ambox-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
}
.ambox-content {
    font-size: 0.95rem;
    line-height: 1.4;
}
.ambox-stub {
    border-left-color: #58a6ff;
    background-color: rgba(88, 166, 255, 0.05);
}
.ambox-cleanup {
    border-left-color: #d29922;
    background-color: rgba(210, 153, 34, 0.05);
}
.ambox-unverified {
    border-left-color: #ff7b72;
    background-color: rgba(255, 123, 114, 0.05);
}

/* Live Search Dropdown */
.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--header-bg);
    border: 1px solid var(--border-color);
    border-radius: 0 0 6px 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
}

.search-item {
    display: block;
    padding: 8px 12px;
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

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

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

/* Mentions */
.mention {
    color: #58a6ff;
    font-weight: 600;
    background: rgba(88, 166, 255, 0.1);
    padding: 2px 4px;
    border-radius: 4px;
    text-decoration: none;
}
.mention:hover {
    text-decoration: underline;
    background: rgba(88, 166, 255, 0.2);
}

.spoiler-block {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 1rem;
    background-color: var(--header-bg);
}

.spoiler-block summary {
    padding: 10px 15px;
    font-weight: 600;
    cursor: pointer;
    background-color: rgba(139, 148, 158, 0.1);
    border-radius: 6px;
    user-select: none;
    list-style: none; 
}

.spoiler-block summary::-webkit-details-marker {
    display: none;
}

.spoiler-block summary::before {
    content: '▶ ';
    color: var(--link-color);
    font-size: 0.9em;
    display: inline-block;
    width: 20px;
    transition: transform 0.2s ease;
}

.spoiler-block[open] summary::before {
    transform: rotate(90deg);
}

.spoiler-block[open] summary {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom: 1px solid var(--border-color);
}

.spoiler-content {
    padding: 15px;
    border-top: none;
}

.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox-overlay.active {
    opacity: 1;
    pointer-events: auto;
    cursor: zoom-out;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox-overlay.active .lightbox-img {
    transform: scale(1);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--link-color);
    color: white;
    border: none;
    font-size: 1.2rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.2s ease;
    z-index: 9000;
    display: none; /* Скрыто на ПК */
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    transform: translateY(-3px);
}

.hover-preview-box {
    position: absolute;
    width: 320px;
    background-color: var(--header-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    padding: 15px;
    z-index: 10000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    font-size: 0.9rem;
}

.hover-preview-box.active {
    opacity: 1;
}
.hover-preview-box h3 {
    margin: 0 0 8px 0;
    font-size: 1.1rem;
    color: var(--link-color);
    border-bottom: none;
    padding-bottom: 0;
}
.hover-preview-box p {
    margin: 0;
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media screen and (max-width: 768px) {
    body {
        flex-direction: column;
    }
    
    .sidebar {
        position: static;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1rem;
        height: auto;
    }
    
    .sidebar nav {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .sidebar nav a {
        padding: 0.5rem 0.8rem;
        background-color: var(--bg-color);
        border: 1px solid var(--border-color);
        font-size: 0.9rem;
        flex-grow: 1;
        text-align: center;
    }
    
    .sidebar .btn {
        margin-top: 0;
    }

    .main-content {
        padding: 1rem;
    }

    .with-sidebar .main-content {
        margin-left: 0;
    }

    .topbar {
        margin-bottom: 1rem;
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .topbar a, .topbar form, .topbar span {
        margin: 0 !important;
    }

    .infobox-sidebar {
        float: none;
        width: 100%;
        margin-left: 0;
        margin-bottom: 1.5rem;
    }
    
    form input[type="text"], form input[type="password"], form textarea {
        font-size: 16px; /* Prevents iOS zooming */
    }
    
    .content-body pre {
        padding: 10px;
        font-size: 0.85rem;
    }
    
    table {
        display: block;
        width: 100%;
        overflow-x: auto;
    }

    .back-to-top {
        display: flex;
    }
}