@charset "UTF-8";

/* ============================================
   CSS VARIABLES & DESIGN TOKENS
   ============================================ */
:root {
    /* === COLORS === */
    /* Core backgrounds */
    --space-black: #0a0a0f;
    --space-navy: #0f1419;
    --bg-black: var(--space-black);

    /* Text colors */
    --text-primary: #e0e6ed;
    --text-secondary: #9ca3af;
    --text-light: var(--text-primary);

    /* Accent colors - СОХРАНЕНЫ неоновые акценты */
    --nebula-cyan: #00E1FF;
    /* СОХРАНЕНО из оригинала */
    --menu-neon: var(--nebula-cyan);
    /* Alias для совместимости */
    --nebula-blue: #60a5fa;
    --link-blue: var(--nebula-blue);
    /* Alias */
    --nebula-purple: #a78bfa;
    --star-orange: #fb923c;
    --accent-orange: var(--star-orange);
    --menu-sub: #4F76B3;
    /* СОХРАНЕНО */

    /* Borders & functional */
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 225, 255, 0.2);
    --glass-bg: rgba(15, 20, 25, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --gray-border: rgba(128, 128, 128, 0.3);
    --gray-dark: rgb(30, 35, 40);
    --white: #FFFFFF;

    /* === EFFECTS === */
    /* Glow effects - УЛУЧШЕННЫЕ */
    --glow-cyan: 0 0 20px rgba(0, 225, 255, 0.4);
    --glow-blue: 0 0 15px rgba(96, 165, 250, 0.3);
    --glow-soft: 0 0 30px rgba(0, 225, 255, 0.15);
    --glow-purple: 0 0 18px rgba(167, 139, 250, 0.3);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(0, 225, 255, 0.3);

    /* === SPACING === */
    --space-1: 0.25rem;
    /* 4px */
    --space-2: 0.5rem;
    /* 8px */
    --space-3: 0.75rem;
    /* 12px */
    --space-4: 1rem;
    /* 16px */
    --space-5: 1.25rem;
    /* 20px */
    --space-6: 1.5rem;
    /* 24px */
    --space-8: 2rem;
    /* 32px */
    --space-10: 2.5rem;
    /* 40px */
    --space-12: 3rem;
    /* 48px */
    --space-16: 4rem;
    /* 64px */

    /* === TYPOGRAPHY === */
    /* Font families */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Courier New', monospace;

    /* Responsive font sizes */
    --text-xs: clamp(0.65rem, 0.6rem + 0.2vw, 0.75rem);
    --text-sm: clamp(0.75rem, 0.7rem + 0.3vw, 0.875rem);
    --text-base: clamp(0.875rem, 0.825rem + 0.2vw, 1rem);
    --text-lg: clamp(1rem, 0.9rem + 0.5vw, 1.2rem);
    --text-xl: clamp(1.1rem, 1rem + 0.6vw, 1.5rem);
    --text-2xl: clamp(1.3rem, 1.2rem + 0.8vw, 1.85rem);
    --text-3xl: clamp(1.75rem, 1.5rem + 1.2vw, 2.6rem);

    /* Line heights */
    --leading-tight: 1.25;
    --leading-normal: 1.6;
    --leading-relaxed: 1.75;

    /* Letter spacing */
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;

    /* === LAYOUT === */
    --container-max: 1400px;
    --sidebar-width: 280px;

    /* === TRANSITIONS === */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}


/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background:
        radial-gradient(ellipse at top, rgba(0, 225, 255, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(167, 139, 250, 0.05) 0%, transparent 50%),
        url('/static/img/s.gif') fixed;
    background-color: var(--space-black);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}


/* ============================================
   LAYOUT
   ============================================ */
.wrapper {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-5);
}

.container {
    display: grid;
    grid-template-columns: minmax(var(--sidebar-width), 300px) 1fr;
    gap: var(--space-8);
    margin-top: var(--space-6);
    align-items: start;
}


/* ============================================
   HEADER
   ============================================ */
.header {
    background: linear-gradient(180deg,
            rgba(10, 10, 15, 0.95) 0%,
            rgba(10, 10, 15, 0.8) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-5) var(--space-6);
}

.header-left {
    flex: 1;
}

.header-right {
    display: none;
    /* Скрываем правый логотип */
}

/* Текстовый логотип */
.site-title {
    text-decoration: none;
    display: inline-block;
}

.site-title-text {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--nebula-cyan);
    text-shadow: var(--glow-cyan);
    letter-spacing: var(--tracking-tight);
    transition: all var(--transition-base);
}

.site-title:hover .site-title-text {
    text-shadow: var(--glow-cyan), var(--glow-soft);
    transform: translateX(2px);
}

/* Мобильное меню кнопка */
.mobile-menu-toggle {
    display: none;
    /* Скрыто на десктопе */
    background: none;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
    z-index: 1001;
}

.hamburger-icon {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 28px;
}

.hamburger-icon span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--nebula-cyan);
    border-radius: 2px;
    transition: all var(--transition-base);
    box-shadow: var(--glow-soft);
}

/* Анимация гамбургера при открытии */
.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}


/* ============================================
   SIDEBAR & MENU
   ============================================ */
.sidebar {
    background: rgba(15, 20, 25, 0.95);
    /* Fallback */
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--space-6);
    box-shadow:
        var(--shadow-lg),
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 0 20px rgba(0, 225, 255, 0.2);
}

@supports (backdrop-filter: blur(20px)) {
    .sidebar {
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
    }
}

.sidebar-menu {
    width: 100%;
}

.menu-category {
    margin-bottom: var(--space-3);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(0, 225, 255, 0.1);
}

.menu-category-title {
    color: var(--nebula-cyan);
    font-weight: 600;
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-base);
    position: relative;
}

.menu-category-title[data-has-children] {
    cursor: pointer;
    user-select: none;
}

.menu-category-title[data-has-children]:hover {
    background: linear-gradient(90deg,
            rgba(0, 225, 255, 0.1) 0%,
            transparent 100%);
    transform: translateX(4px);
}

.menu-category-link {
    flex: 1;
}

.menu-category-title a {
    color: var(--nebula-cyan);
    text-decoration: none;
    transition: all var(--transition-base);
}

.menu-category-title a:hover {
    text-shadow: var(--glow-soft);
}

.menu-arrow {
    font-size: var(--text-sm);
    transition: transform var(--transition-base);
    display: inline-block;
    margin-left: var(--space-2);
}

.menu-items {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    padding-left: var(--space-4);
}

.menu-items:not(.collapsed) {
    max-height: 1000px;
    padding: var(--space-2) 0 var(--space-3) var(--space-4);
}

.menu-items a {
    display: block;
    color: var(--nebula-blue);
    font-weight: 500;
    font-size: var(--text-sm);
    padding: var(--space-2) 0;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    padding-left: var(--space-4);
}

.menu-items a::before {
    content: '\2192';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: all var(--transition-base);
}

.menu-items a:hover {
    color: var(--nebula-cyan);
    transform: translateX(4px);
}

.menu-items a:hover::before {
    opacity: 1;
}


/* ============================================
   MAIN CONTENT
   ============================================ */
.content {
    background: rgba(15, 20, 25, 0.95);
    /* Fallback */
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--space-10);
    min-height: 500px;
    box-shadow:
        var(--shadow-lg),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

@supports (backdrop-filter: blur(20px)) {
    .content {
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
    }
}


/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: var(--leading-tight);
    margin-bottom: var(--space-5);
}

h1 {
    font-size: var(--text-3xl);
    color: var(--nebula-cyan);
    text-align: center;
    letter-spacing: var(--tracking-tight);
    text-shadow: var(--glow-cyan);
    margin-bottom: var(--space-6);
}

h2 {
    font-size: var(--text-2xl);
    color: var(--nebula-blue);
    text-align: center;
    letter-spacing: var(--tracking-tight);
    text-shadow: var(--glow-blue);
    margin-top: var(--space-8);
    margin-bottom: var(--space-5);
}

h3 {
    font-size: var(--text-xl);
    color: var(--nebula-purple);
    text-align: center;
    font-weight: 600;
    text-shadow: var(--glow-purple);
    margin-top: var(--space-6);
    margin-bottom: var(--space-4);
}

h4 {
    font-size: var(--text-lg);
    color: var(--nebula-blue);
    margin-top: var(--space-5);
}

h5 {
    font-size: var(--text-base);
    color: var(--text-primary);
    font-weight: 600;
}

h6 {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

p {
    margin-bottom: var(--space-5);
    line-height: var(--leading-relaxed);
    text-align: justify;
    text-indent: var(--space-5);
}

p:first-of-type {
    margin-top: 0;
}

a {
    color: var(--nebula-blue);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

a:hover {
    color: var(--nebula-cyan);
    text-shadow: var(--glow-soft);
}

.content a:hover {
    transform: translateX(2px);
}

strong,
b {
    font-weight: 600;
    color: var(--text-primary);
}

em,
i {
    font-style: italic;
}


/* ============================================
   IMAGES
   ============================================ */
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: var(--space-6) auto;
}

/* Белая подложка для изображений в контенте */
.content img,
.rich-text img,
.page-content img,
.page-body img,
article img {
    background-color: white;
    padding: var(--space-4);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

/* Исключения: логотипы */
.header img {
    background-color: transparent;
    padding: 0;
    box-shadow: none;
    margin: 0;
}


/* ============================================
   LISTS
   ============================================ */
ul,
ol {
    margin: var(--space-5) 0;
    padding-left: var(--space-10);
}

li {
    margin-bottom: var(--space-2);
    line-height: var(--leading-relaxed);
}

li::marker {
    color: var(--nebula-cyan);
}


/* ============================================
   BLOCKQUOTE
   ============================================ */
blockquote {
    border-left: 3px solid var(--nebula-cyan);
    padding-left: var(--space-5);
    margin: var(--space-6) 0;
    font-style: italic;
    color: var(--text-secondary);
    position: relative;
}

blockquote::before {
    content: '"';
    font-size: var(--text-3xl);
    color: var(--nebula-cyan);
    opacity: 0.3;
    position: absolute;
    left: -10px;
    top: -10px;
}


/* ============================================
   CODE
   ============================================ */
code {
    font-family: var(--font-mono);
    background-color: var(--gray-dark);
    color: var(--nebula-cyan);
    padding: var(--space-1) var(--space-2);
    border-radius: 4px;
    font-size: var(--text-sm);
}

pre {
    background-color: var(--gray-dark);
    border: 1px solid var(--border-subtle);
    padding: var(--space-5);
    border-radius: 8px;
    overflow-x: auto;
    margin: var(--space-6) 0;
}

pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}


/* ============================================
   TABLES
   ============================================ */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: var(--space-6) 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

th,
td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
}

th {
    background: linear-gradient(135deg, var(--nebula-cyan), var(--nebula-blue));
    color: var(--space-black);
    font-weight: 600;
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

tr:hover {
    background: rgba(0, 225, 255, 0.05);
}

tr:last-child td {
    border-bottom: none;
}


/* ============================================
   FORMS
   ============================================ */
input[type="text"],
input[type="email"],
input[type="search"],
input[type="password"],
textarea,
select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--text-primary);
    width: 100%;
    transition: all var(--transition-base);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--nebula-cyan);
    box-shadow: 0 0 0 3px rgba(0, 225, 255, 0.1);
    background: rgba(255, 255, 255, 0.08);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

button,
input[type="submit"],
input[type="button"] {
    background: linear-gradient(135deg, var(--nebula-cyan), var(--nebula-blue));
    color: var(--space-black);
    border: none;
    border-radius: 8px;
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

button:active,
input[type="submit"]:active,
input[type="button"]:active {
    transform: translateY(0);
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
    text-align: center;
    padding: var(--space-10) 0;
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--space-16);
    background: linear-gradient(0deg,
            rgba(10, 10, 15, 0.95) 0%,
            transparent 100%);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
}

.footer p {
    margin: var(--space-2) 0;
    text-indent: 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.footer a {
    color: var(--nebula-cyan);
    transition: color var(--transition-base);
}

.footer a:hover {
    color: var(--star-orange);
}


/* ============================================
   SPECIAL CONTENT TYPES
   ============================================ */

/* Dictionary letters */
.dict-letter {
    color: var(--star-orange);
    font-weight: 600;
    font-size: var(--text-lg);
}

/* News items */
.news-item {
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--border-subtle);
}

.news-date {
    color: var(--nebula-purple);
    font-weight: 600;
    text-align: center;
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

/* ============================================
   SUB-NAVIGATION & CHILD PAGES
   ============================================ */
.sub-nav-container {
    margin: var(--space-4) 0 var(--space-8);
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(5px);
}

.sub-nav-title {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.sub-nav-title::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 1px;
    background: var(--nebula-cyan);
}

.sub-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-3);
}

.sub-nav-card {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-4);
    background: rgba(15, 20, 25, 0.6);
    border: 1px solid rgba(0, 225, 255, 0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--text-sm);
    text-decoration: none;
    transition: all var(--transition-base);
    min-height: 60px;
}

.sub-nav-card:hover {
    background: rgba(0, 225, 255, 0.1);
    border-color: var(--nebula-cyan);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 225, 255, 0.2);
    color: var(--nebula-cyan);
}

/* Original child-pages remains for compatibility or simple cases */
.child-pages {
    margin-top: var(--space-10);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-subtle);
}

.dictionary-letters {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    gap: var(--space-2);
    margin: var(--space-4) 0;
}

.letter-link {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1/1;
    background: rgba(251, 146, 60, 0.05);
    border: 1px solid rgba(251, 146, 60, 0.2);
    border-radius: 8px;
    color: var(--star-orange);
    font-weight: 700;
    font-size: var(--text-lg);
    transition: all var(--transition-base);
}

.letter-link:hover {
    background: rgba(251, 146, 60, 0.2);
    border-color: var(--star-orange);
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(251, 146, 60, 0.3);
}


/* ============================================
   RICH TEXT EDITOR STYLES
   ============================================ */
.rich-text h1,
.rich-text h2,
.rich-text h3 {
    margin-top: var(--space-8);
}

.rich-text h1:first-child,
.rich-text h2:first-child,
.rich-text h3:first-child {
    margin-top: 0;
}

.rich-text p {
    margin-bottom: var(--space-5);
}

.rich-text ul,
.rich-text ol {
    margin: var(--space-5) 0;
}


/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus visible */
*:focus-visible {
    outline: 2px solid var(--nebula-cyan);
    outline-offset: 2px;
    border-radius: 4px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

/* Skip link */
.skip-link {
    position: fixed;
    top: -100px;
    left: var(--space-4);
    background: var(--nebula-cyan);
    color: var(--space-black);
    padding: var(--space-3) var(--space-5);
    z-index: 10001;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: var(--shadow-glow);
    transition: top var(--transition-base);
}

.skip-link:focus {
    top: var(--space-4);
    outline: 3px solid var(--nebula-blue);
    outline-offset: 2px;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 600ms ease-out;
}


/* ============================================
   WAGTAIL ADMIN
   ============================================ */
.wagtail-userbar {
    position: fixed !important;
    z-index: 10000 !important;
}


/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-10 {
    margin-top: var(--space-3);
}

.mt-20 {
    margin-top: var(--space-5);
}

.mb-10 {
    margin-bottom: var(--space-3);
}

.mb-20 {
    margin-bottom: var(--space-5);
}


/* ============================================
   BREADCRUMBS
   ============================================ */
.breadcrumbs {
    margin-bottom: var(--space-6);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-2);
    align-items: center;
}

.breadcrumb-item {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    line-height: 1;
}

.breadcrumb-item a {
    color: var(--nebula-blue);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--nebula-cyan);
    text-shadow: var(--glow-soft);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: var(--space-2);
    color: var(--border-subtle);
    font-size: 0.9em;
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 500;
}


/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet and Mobile - гамбургер-меню */
@media (max-width: 1024px) {
    .wrapper {
        padding: var(--space-5);
    }

    .container {
        display: block;
        gap: var(--space-5);
        margin-top: var(--space-5);
    }

    .header {
        padding: var(--space-4) 0;
    }

    .header-content {
        padding: 0 var(--space-5);
    }

    /* Показать кнопку мобильного меню на планшетах и мобильных */
    .mobile-menu-toggle {
        display: block;
    }

    /* Мобильное меню - скрыто по умолчанию */
    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 320px;
        height: 100vh;
        padding: var(--space-6);
        z-index: 1000;
        overflow-y: auto;
        transition: left var(--transition-slow);
        box-shadow: var(--shadow-lg);
        order: unset;
    }

    /* Показать меню когда активно */
    .sidebar.mobile-menu-open {
        left: 0;
    }

    /* Overlay для закрытия меню */
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.7);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-slow);
    }

    .mobile-menu-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    .content {
        order: unset;
        padding: var(--space-8);
    }

    .menu-category-title {
        padding: var(--space-4);
        font-size: var(--text-base);
    }

    .menu-items a {
        padding: var(--space-3) var(--space-2);
    }
}

/* Mobile specific - меньшие отступы */
@media (max-width: 768px) {
    .wrapper {
        padding: var(--space-4);
    }

    .header {
        padding: var(--space-3) 0;
    }

    .header-content {
        padding: 0 var(--space-4);
    }

    /* Меньшая ширина меню на мобильных */
    .sidebar {
        width: 280px;
    }

    .content {
        padding: var(--space-6);
    }

    .menu-category-title {
        padding: var(--space-4);
        font-size: var(--text-base);
    }

    .menu-items a {
        padding: var(--space-3) var(--space-2);
    }

    /* Touch-friendly */
    button,
    a,
    input[type="submit"] {
        min-height: 44px;
    }

    .dictionary-letters {
        grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    }

    h1 {
        text-align: left;
    }

    h2,
    h3 {
        text-align: left;
    }

    p {
        text-align: left;
        text-indent: 0;
    }
}

/* Desktop large - только на экранах больше 1024px */
@media (min-width: 1025px) {
    .container {
        display: grid;
        grid-template-columns: minmax(var(--sidebar-width), 300px) 1fr;
        gap: var(--space-8);
    }

    .sidebar {
        position: sticky;
        top: calc(var(--space-6) + 100px);
        max-height: calc(100vh - var(--space-12) - 100px);
        overflow-y: auto;
        overflow-x: hidden;
    }

    /* Custom scrollbar for sidebar */
    .sidebar::-webkit-scrollbar {
        width: 6px;
    }

    .sidebar::-webkit-scrollbar-track {
        background: rgba(0, 0, 0, 0.2);
        border-radius: 3px;
    }

    .sidebar::-webkit-scrollbar-thumb {
        background: var(--nebula-cyan);
        border-radius: 3px;
    }

    .sidebar::-webkit-scrollbar-thumb:hover {
        background: var(--nebula-blue);
    }
}

/* Very small devices */
@media (max-width: 480px) {
    .wrapper {
        padding: var(--space-3);
    }

    .content {
        padding: var(--space-5);
    }

    .header-left img,
    .header-right img {
        max-height: 50px;
    }

    .child-pages {
        grid-template-columns: 1fr;
    }
}