/* =================================== */
/* СБРОС СТИЛЕЙ И ПЕРЕМЕННЫЕ */
/* =================================== */
*{margin:0;padding:0;box-sizing:border-box}

:root {
    --primary:#0056b3;--primary-dark:#003d80;--secondary:#17a2b8;
    --accent:#fd7e14;--light:#f8f9fa;--text:#212529;
    --text-muted:#6c757d;--border:#dee2e6;--success:#28a745;
    --warning-bg:#fff3cd;--warning-border:#ffc107;--warning-text:#856404;
    --danger-bg:#f8d7efba;--danger-border:#dc3545;--danger-text:#721c24;
    --info-bg:#d1ecf1;--info-border:#17a2b8;--info-text:#0c5460;
    --white:#fff;--black:#1e2a3a;--gray:#6c757d;--gray-light:#f8f9fa;
    --shadow-sm:0 0.125rem 0.25rem rgba(0,0,0,0.075);
    --shadow:0 0.5rem 1rem rgba(0,0,0,0.05)
}

/* =================================== */
/* БАЗОВЫЕ СТИЛИ */
/* =================================== */
html{scroll-behavior:smooth;height:100%}
body{height:100%;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:1rem;line-height:1.65;color:var(--text);background:#f5f7fa}

.wrapper{display:flex;flex-direction:column;min-height:100vh;max-width:1400px;margin:0 auto;background:var(--white);box-shadow:var(--shadow)}

/* =================================== */
/* ШАПКА */
/* =================================== */
.header{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000;backdrop-filter:blur(8px)}
.header-top{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0.75rem 1.5rem}

.logo a{text-decoration:none;display:flex;align-items:center;gap:0.75rem}
.logo-img{display:block;width:340px;height:60px;background:url('/assets/images/logo.png?') center/contain no-repeat;transition:opacity 0.2s}
.logo-img:hover{opacity:0.85}
.logo-text{font-size:1.1rem;font-weight:600;color:var(--primary)}

.nav-header ul{display:flex;list-style:none;gap:0.5rem;margin:0;padding:0}
.nav-link{text-decoration:none;color:var(--text);font-weight:500;padding:0.5rem 1rem;border-radius:0.375rem;transition:all 0.2s;font-size:0.95rem}
.nav-link:hover{color:var(--primary);background:var(--light)}
.nav-link.active{color:var(--primary);background:rgba(0,86,179,0.1);font-weight:600}

.burger{display:none;flex-direction:column;justify-content:space-between;width:28px;height:20px;background:transparent;border:none;cursor:pointer;padding:0}
.burger span{width:100%;height:2px;background:var(--text);transition:all 0.2s;border-radius:2px}

.breadcrumbs{max-width:1200px;margin:0 auto;padding:0.75rem 1.5rem;background:var(--gray-light);border-top:1px solid var(--border);font-size:0.85rem}
.breadcrumbs-list{display:flex;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.breadcrumbs-item{display:flex;align-items:center}
.breadcrumbs-item:not(:last-child):after{content:"/";margin:0 0.5rem;color:var(--gray)}
.breadcrumbs-item a{color:var(--primary)}
.breadcrumbs-item a:hover{text-decoration:underline}
.breadcrumbs-item-current{color:var(--text-muted)}

/* =================================== */
/* ОСНОВНОЙ КОНТЕНТ */
/* =================================== */
.site{flex:1 0 auto;padding:2rem 1.5rem}
.site-content{display:flex;gap:2rem;max-width:1200px;margin:0 auto;width:100%}
.sidebar{width:280px;flex-shrink:0;background:var(--white);border-radius:0.75rem;padding:1.5rem;height:fit-content;position:sticky;top:100px;border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.main{flex:1;min-width:0}
.container-content{background:var(--white);border-radius:0.75rem;padding:2rem;border:1px solid var(--border);box-shadow:var(--shadow-sm)}

/* =================================== */
/* БОКОВОЕ МЕНЮ */
/* =================================== */
#nav-left{font-size:0.9rem}
.nav-left-header{font-weight:700;color:var(--primary);padding:0.75rem 0;margin-top:1.25rem;font-size:1rem;border-bottom:1px solid var(--border)}
.nav-left-header:first-of-type{margin-top:0}
.nav-left-sub{list-style:none;padding-left:0.5rem;margin:0.5rem 0 1rem}
.nav-left-sub li{margin:0.25rem 0}
.nav-left-sub a{display:block;padding:0.5rem 0.75rem;text-decoration:none;color:var(--text);border-radius:0.375rem;transition:all 0.15s}
.nav-left-sub a:hover{background:var(--light);color:var(--primary)}
.nav-left-sub a.active{background:rgba(0,86,179,0.08);color:var(--primary);font-weight:500;border-left:3px solid var(--primary);border-radius:0.375rem 0 0 0.375rem}

/* =================================== */
/* ТИПОГРАФИКА */
/* =================================== */
h1,h2,h3,h4,h5,h6{color:var(--black);margin:1.5em 0 0.75em;line-height:1.3;font-weight:600}
h1{font-size:2rem;margin-top:0;margin-bottom:1rem;border-bottom:2px solid var(--border);padding-bottom:0.75rem}
h2{font-size:1.55rem;margin-top:1.5em;padding-bottom:0.5rem;border-bottom:1px solid var(--border)}
h3{font-size:1.3rem}
p{margin-bottom:1.25rem}
a{color:var(--primary);transition:color 0.15s}
a:hover{color:var(--primary-dark);text-decoration:underline}
li {margin-left: 2px;}
li ul {padding-left: 8px;}


.nav-prev,.nav-next{flex:1}
/* =================================== */
/* СПЕЦИАЛЬНЫЕ БЛОКИ */
/* =================================== */
.section-intro,.important,.warning,.note,.danger{padding:1.25rem 1.5rem;margin:1.75rem 0;border-radius:0.5rem;position:relative}
.section-intro{background:var(--light);border-left:4px solid var(--primary);font-size:1.05rem}
.important{background:#d4edda;border-left:4px solid var(--success);color:#155724}
.warning{background:var(--warning-bg);border-left:4px solid var(--warning-border);color:var(--warning-text)}
.danger{background:var(--danger-bg);border-left:4px solid var(--danger-border);color:var(--danger-text)}
.note{background:var(--info-bg);border-left:4px solid var(--info-border);color:var(--info-text)}

/* .important::before,.warning::before{content:"⚠️";margin-right:0.75rem;font-size:1.1rem} */
/* .danger::before{content:"⛔";margin-right:0.75rem;font-size:1.1rem} */
/* .note::before{content:"📌";margin-right:0.75rem;font-size:1.1rem} */

.keyword,.danger-txt{font-weight:600;padding:0.125rem 0.375rem;border-radius:0.25rem;font-family:'Courier New',monospace;font-size:0.9em;border:1px solid var(--border)}
.keyword{background:#e9ecef;color:var(--primary-dark)}
.danger-txt{background:var(--danger-bg);color:var(--primary-dark)}

.badge{display:inline-block;background:var(--primary);color:#fff;font-weight:600;padding:0.25rem 0.6rem;border-radius:0.25rem;font-size:0.75rem;margin-right:0.5rem;vertical-align:middle}
.badge-secondary{background:var(--secondary)}
.badge-accent{background:var(--accent)}

/* =================================== */
/* ТАБЛИЦЫ */
/* =================================== */
.table-responsive{overflow-x:auto;margin:1.75rem auto;border-radius:0.5rem;border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;font-size:0.9rem}
table th{background:var(--primary);color:#fff;font-weight:600;padding:0.75rem 1rem;text-align:left}
table td{padding:0.75rem 1rem;border-bottom:1px solid var(--border);text-align:center}
table tr:last-child td{border-bottom:none}
table tr:nth-child(even){background:var(--gray-light)}
table tr:hover{background:rgba(0,86,179,0.03)}

/* =================================== */
/* НАВИГАЦИЯ ПО ГЛАВАМ */
/* =================================== */
.page-navigation{display:flex;justify-content:space-between;gap:1.5rem;margin:2.5rem 0 0;padding-top:2rem;border-top:2px solid var(--border)}
.nav-prev,.nav-next{flex:1}
.nav-link{display:flex;flex-direction:column;background:var(--light);border-radius:0.5rem;text-decoration:none;color:var(--text);font-weight:500;transition:all 0.2s;border:1px solid var(--border);padding:0.75rem 1.25rem}
.nav-link:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.nav-prev .nav-link:hover{transform:translateX(-4px)}
.nav-next .nav-link:hover{transform:translateX(4px)}
.nav-link-disabled{display:flex;flex-direction:column;background:var(--light);border-radius:0.5rem;color:var(--text-muted);font-weight:500;border:1px solid var(--border);padding:0.75rem 1.25rem;opacity:0.6;cursor:default}
.nav-label{display:block;font-size:0.7rem;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:0.25rem}
.nav-title{font-weight:600;font-size:0.95rem}

/* =================================== */
/* ПОДВАЛ И КНОПКА НАВЕРХ */
/* =================================== */
.footer{margin-top:3rem;padding:2rem 0;background:var(--black);color:#adb5bd;border-top:1px solid rgba(255,255,255,0.1)}
.container-footer{max-width:1200px;margin:0 auto;padding:0 1.5rem;text-align:center}
.copy{font-size:0.85rem;opacity:0.8}

.scroll-top{position:fixed;bottom:2rem;right:2rem;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:none;cursor:pointer;font-size:1.5rem;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all 0.2s;z-index:1000;box-shadow:var(--shadow)}
.scroll-top.visible{opacity:1;visibility:visible}
.scroll-top:hover{background:var(--primary-dark);transform:translateY(-3px)}

/* =================================== */
/* СПИСКИ, СТАТЬИ, РЕЗУЛЬТАТЫ ПОИСКА */
/* =================================== */
.section-title{font-size:1.75rem;font-weight:600;color:var(--black);margin:0 0 0.75em;padding-bottom:0.75rem;border-bottom:2px solid var(--primary)}
.section-subtitle{font-size:1.25rem;color:var(--primary);margin:1.25em 0 0.5em}

/* Заголовки статей (если без класса) */
.container-content h2:not(.section-title){font-size:1.55rem;margin-top:1.5em;margin-bottom:0.75em;padding-bottom:0.5rem;border-bottom:1px solid var(--border);color:var(--black);font-weight:600}

/* Стили для страниц разделов (оглавление) */
.chapter{box-shadow:var(--shadow-sm)}
.chapter-list,.simplesearch-results-list{list-style:none;padding:0;margin:1.5rem 0}
/* Нумеруем только прямые дочерние элементы */
.chapter-list > li{counter-increment:chapter-counter;margin-bottom:0.75rem;padding-left:2.2rem;position:relative}
.chapter-list > li:before{content:counter(chapter-counter)".";position:absolute;left:0;color:var(--primary);font-weight:600}
/* Ссылки в прямых дочерних элементах */
.chapter-list > li a{color:var(--text);text-decoration:none;border-bottom:1px solid transparent;transition:border-color 0.2s}
.chapter-list > li a:hover{color:var(--primary);text-decoration:none;border-bottom-color:var(--primary)}
/* Вложенные списки — обычное маркированное оформление */
.chapter-list ul{list-style:disc;padding-left:2rem;margin:0.5rem 0 0.25rem}
.chapter-list ul li{margin-bottom:0.25rem;padding-left:0}
.chapter-list ul li:before{content:none}
.chapter-list ul li a{color:var(--primary);border-bottom:1px solid transparent}
.chapter-list ul li a:hover{color:var(--primary-dark);border-bottom-color:var(--primary)}
/* Если нужен нумерованный вложенный список */
.chapter-list ol{list-style:decimal;padding-left:2rem;margin:0.5rem 0 0.25rem}
.chapter-list ol li{margin-bottom:0.25rem;padding-left:0}
.chapter-list ol li:before{content:none}
/* Стили для результатов поиска */
.extract{display:block;margin-top:0.5rem;font-size:0.9rem;color:var(--text-muted);line-height:1.5}
.simplesearch-results-list{margin:1.5rem 0}
.simplesearch-results-list a{font-size:1.1rem;font-weight:500;color:var(--primary);text-decoration:none}
.simplesearch-results-list a:hover{text-decoration:underline}

/* Неиспользуемые блоки (закомментированы, при необходимости раскомментировать) */
.docs-list{list-style:none;padding:0;margin:1.5rem 0}
.docs-list li{margin-bottom:0.6rem;padding-left:1.5rem;position:relative}
.docs-list li:before{content:"→";color:var(--primary);position:absolute;left:0}
.docs-list a{color:var(--text);text-decoration:none;border-bottom:1px dotted var(--border)}
.docs-list a:hover{color:var(--primary);border-bottom-color:var(--primary)} 

 .document-disclaimer{color:var(--warning-text);font-style:italic;font-size:0.9rem} 

/* Скрыть пустые блоки chapter */
.chapter:empty{display:none}

/* =================================== */
/* ФОРМЫ И КНОПКИ */
/* =================================== */
input[type="text"],input[type="email"],input[type="password"],input[type="search"],textarea{width:100%;padding:0.6rem 0.75rem;font-family:inherit;font-size:1rem;line-height:1.5;color:var(--text);background:var(--white);border:1px solid var(--border);border-radius:0.375rem;transition:border-color 0.15s,box-shadow 0.15s}
input:focus,textarea:focus{border-color:var(--primary);outline:0;box-shadow:0 0 0 0.2rem rgba(0,86,179,0.25)}

.search-form-container{max-width:800px;margin:0 auto;padding:1.5rem 0}
.search-form{display:flex;gap:0.5rem}
.search-form input[type="text"]{flex:3}
.search-form input[type="submit"]{flex:1;white-space:nowrap}

button,input[type="submit"],input[type="button"]{display:inline-block;font-weight:500;text-align:center;white-space:nowrap;vertical-align:middle;border:1px solid transparent;padding:0.6rem 1.25rem;font-size:1rem;line-height:1.5;border-radius:0.375rem;transition:all 0.15s;cursor:pointer;background:var(--primary);color:#fff}
button:hover,input[type="submit"]:hover,input[type="button"]:hover{background:var(--primary-dark);transform:translateY(-1px)}
button:active,input[type="submit"]:active,input[type="button"]:active{transform:translateY(0)}

/* =================================== */
.calculator {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 20px;
    margin: 24px 0;
}

.calculator h3 {
    color: #1e3a8a;
    margin: 0 0 16px 0;
    font-size: 1.25rem;
}

.calculator .field {
    margin-bottom: 12px;
}

.calculator label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: #374151;
}

.calculator input,
.calculator select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 16px;
    box-sizing: border-box;
}

.calculator .result {
    margin-top: 16px;
    padding: 12px;
    background: #e6f7e6;
    border-radius: 8px;
    font-weight: 500;
    color: #166534;
    border-left: 4px solid #22c55e;
}


/* =================================== */
/* АДАПТИВНОСТЬ */
/* =================================== */
@media (max-width:992px){
    .site-content{gap:1.5rem}
    .sidebar{width:260px}
    .container-content{padding:1.5rem}
}

@media (max-width:768px){
    .wrapper{overflow-x:hidden}
    .header-top{padding:0.75rem 1rem}
    .breadcrumbs{padding:0.5rem 1rem}
    .site{padding:1rem}
    .site-content{flex-direction:column;gap:1rem}
    .sidebar{width:100%;position:static;margin-bottom:1rem;padding:1rem}
    .container-content{width:100%;padding:1rem;overflow-x:auto}
    .nav-left-sub a{padding:0.4rem 0.6rem}
    
    .section-intro,.important,.warning,.note,.danger{padding:0.75rem 1rem;margin:1rem 0}
    
    .burger{display:flex}
    .nav-header{position:relative}
    .nav-header ul{display:none;position:absolute;top:100%;right:0;flex-direction:column;background:var(--white);padding:0.75rem;box-shadow:var(--shadow);border-radius:0.5rem;z-index:1000;min-width:180px;border:1px solid var(--border);gap:0.25rem}
    .nav-header.active ul{display:flex}
    .nav-link{display:block;padding:0.6rem 1rem;text-align:center}
    
    h1{font-size:1.4rem}
    h2,.container-content h2:not(.section-title){font-size:1.2rem}
    .section-title{font-size:1.4rem}
    h3{font-size:1rem}
    .page-navigation{flex-direction:column;gap:1rem}
    .scroll-top{bottom:1rem;right:1rem;width:40px;height:40px;font-size:1.25rem}
    .search-form{flex-direction:column}
    .search-form input[type="submit"]{width:100%}
    
    /* Исправление для таблиц на мобильных */
    .table-responsive{width:100%;overflow-x:auto}
    table{min-width:500px}
}

@media (max-width:480px){
    .container-content{padding:0.75rem}
    .sidebar{padding:0.75rem}
    h1{font-size:1.3rem}
    h2,.container-content h2:not(.section-title){font-size:1.2rem}
    .section-title{font-size:1.3rem}
    .section-intro,.important,.warning,.note,.danger{padding:0.5rem 0.75rem}
}