:root {
  --bg-dark: #111111;
  --bg-card: #2D2D2D;
  --bg-card-light: #3A3A3A;
  --accent-blue: #00B4FF;
  --accent-orange: #FF7B00;
  --text-primary: #FFFFFF;
  --text-secondary: #B0B0B0;
  --border-color: #444444;
}

@font-face {
    font-family: Ranga;
    src: url(../fonts/Montserrat-Black.ttf);
}

/* БАЗОВЫЕ СТИЛИ */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg-dark) !important;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0;
    padding-bottom: 0 !important;
    color: var(--text-primary);
    font-family: 'Inter', 'Roboto', sans-serif;
}

.container.main-content {
    flex: 1 0 auto;
    width: 100%;
    padding: 20px 15px;
}

/* НАВИГАЦИЯ */
.navbar {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    background: linear-gradient(135deg, var(--bg-card) 0%, #1A1A1A 100%) !important;
    box-shadow: 0 4px 20px rgba(0, 180, 255, 0.2);
    padding: 0.5rem 1rem;
    border-bottom: 2px solid var(--accent-blue);
    z-index: 1010;
}

.navbar-brand {
    padding: 0;
}

.navbar-nav .nav-item {
    margin: 0 0.25rem;
}

.navbar-nav .nav-link {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    color: var(--text-primary) !important;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(0, 180, 255, 0.1);
    transform: translateY(-2px);
    color: var(--accent-blue) !important;
}

nav.navbar .navbar-nav > li.nav-item.active > a.nav-link#brand {
    background-color: rgba(0, 180, 255, 0.2) !important;
    color: var(--accent-blue) !important;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0, 180, 255, 0.3);
}

#brand {
    font-family: Ranga;
    color: var(--text-primary) !important;
}

.navbar-brand-img {
    height: 40px;
    width: auto;
    max-height: 100%;
    transition: transform 0.3s ease;
    filter: brightness(0) invert(1);
}

.navbar-brand-img:hover {
    transform: scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 0 8px var(--accent-blue));
}

/* ТАБЛИЦЫ */
.table {
    background-color: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    font-size: 11px;
    line-height: 1.1;
    width: 100% !important;
    margin: 0 auto;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.table th,
.table td {
    text-align: center !important;
    vertical-align: middle !important;
    padding: 8px 4px;
    border-color: var(--border-color);
}

.my-custom-header th:first-child {
    border-top-left-radius: 15px;
}

.my-custom-header th:last-child {
    border-top-right-radius: 15px;
}

.table tbody tr {
    background-color: var(--bg-card);
}

.table tbody tr:hover {
    background-color: rgba(0, 180, 255, 0.1) !important;
}

.table thead {
    top: 0;
    z-index: 1000;
}

.my-custom-header th {
    top: 0;
    z-index: 1001;
    background: linear-gradient(135deg, var(--bg-card), var(--bg-card-light));
    color: var(--accent-blue);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-bottom: 2px solid var(--accent-blue);
}

.table-responsive {
    width: 100%;
    margin: 0 auto;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
}

.table th {
    font-weight: bold;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table-info td {
    background-color: rgba(0, 180, 255, 0.2) !important;
}

/* ВЫПАДАЮЩИЕ МЕНЮ */
.dropdown-menu {
    background: var(--bg-card) !important;
    border: 1px solid var(--accent-blue) !important;
    border-radius: 8px !important;
    box-shadow: 0 8px 25px rgba(0, 180, 255, 0.2) !important;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    overflow: hidden;
}

.dropdown-menu .dropdown-item {
    color: var(--text-primary) !important;
    transition: all 0.3s ease;
}

.dropdown-menu .dropdown-item.active {
    background: var(--accent-blue) !important;
    color: white !important;
    font-weight: bold;
}

.dropdown-menu .dropdown-item:hover {
    background: var(--accent-blue) !important;
    color: white !important;
    transform: translateX(5px);
}

/* КАРТОЧКИ */
.card, .rounded-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    border-radius: 10px;
    overflow: hidden;
}

.card-header, .rounded-card .card-header {
    border-top-left-radius: 10px !important;
    border-top-right-radius: 10px !important;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--bg-card-light), var(--bg-card)) !important;
    color: var(--accent-blue);
    font-weight: 600;
}

.glados-header {
    background: linear-gradient(135deg, var(--accent-blue), #0099CC) !important;
    color: white !important;
}

.card {
    background: #2D2D2D;
    border: 1px solid #444;
}

/* ФОРМЫ */
.form-control {
    background: var(--bg-card-light);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 8px;
    padding: 10px 15px;
}

.form-control:focus {
    background: var(--bg-card-light);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 180, 255, 0.25);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

.success-icon {
    color: #00B4FF;
}

/* КНОПКИ */
.btn-primary, .glados-btn {
    background: linear-gradient(45deg, var(--accent-blue), #0099CC);
    border: none;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 180, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover, .glados-btn:hover {
    background: linear-gradient(45deg, #0099CC, var(--accent-blue));
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 180, 255, 0.4);
    color: white;
}

.glados-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.glados-btn:hover::before {
    left: 100%;
}

.btn-outline-info {
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
    background: transparent;
    transition: all 0.3s ease;
}

.btn-outline-info:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
    transform: translateY(-2px);
}

.btn-outline-light {
    border: 2px solid var(--text-secondary);
    color: var(--text-secondary);
    background: transparent;
}

.btn-outline-light:hover {
    background: var(--text-secondary);
    border-color: var(--text-secondary);
    color: var(--bg-dark);
}

/* УВЕДОМЛЕНИЯ */
.alert {
    border: none;
    border-radius: 8px;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border-left-color: #28a745;
    color: #ffffff;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    border-left-color: #dc3545;
    color: #ffffff;
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border-left-color: #ffc107;
    color: #ffffff;
}

.alert-info {
    background: rgba(0, 180, 255, 0.1);
    border-left-color: var(--accent-blue);
    color: #ffffff;
}

/* ФУТЕР */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    margin-top: auto;
    flex-shrink: 0;
    width: 100%;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    align-items: center;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.3s ease;
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--accent-blue);
    transform: translateY(-2px);
}

.footer-copyright {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ГЛАВНАЯ СТРАНИЦА - HERO SECTION */
.hero-section {
    background: transparent;
    color: var(--accent-blue);
    padding: 70px 0 90px;
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.portal-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.portal-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: portal-float 8s ease-in-out infinite;
    border: 2px solid;
}

.circle-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-blue), transparent);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    border-color: var(--accent-blue);
}

.circle-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-orange), transparent);
    top: 50%;
    right: 10%;
    animation-delay: 2s;
    border-color: var(--accent-orange);
}

.circle-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--accent-blue), transparent);
    bottom: 10%;
    left: 60%;
    animation-delay: 4s;
    border-color: var(--accent-blue);
}

@keyframes portal-float {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.1; }
    50% { transform: translateY(-20px) scale(1.05); opacity: 0.15; }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.logo-animation {
    display: inline-block;
}

.glados-logo {
    width: 100px;
    height: 100px;
    background: rgba(0, 180, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    backdrop-filter: blur(10px);
    border: 2px solid var(--accent-blue);
    animation: glados-pulse 3s ease-in-out infinite;
    box-shadow: 0 0 30px rgba(0, 180, 255, 0.3);
}

.glados-logo i {
    font-size: 3rem;
    color: var(--accent-blue);
    text-shadow: 0 0 20px rgba(0, 180, 255, 0.5);
}

@keyframes glados-pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 30px rgba(0, 180, 255, 0.3);
    }
    50% { 
        transform: scale(1.05);
        box-shadow: 0 0 50px rgba(0, 180, 255, 0.5);
    }
}

.glados-text {
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 180, 255, 0.3);
}

.hero-subtitle {
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.5s ease;
}

.hero-stats {
    padding: 20px 0;
}

.stat-item {
    padding: 0 20px;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-blue);
    margin-bottom: 5px;
    text-shadow: 0 0 10px rgba(0, 180, 255, 0.3);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 0.9;
}

.welcome-user, .welcome-guest {
    animation: slideUp 1s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-avatar, .welcome-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 180, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 180, 255, 0.3);
}

.user-avatar i, .welcome-icon i {
    color: var(--accent-blue);
    font-size: 1.5rem;
}

.username-highlight {
    color: var(--accent-blue);
    text-shadow: 0 0 10px rgba(0, 180, 255, 0.3);
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
}

.highlight {
    color: var(--accent-blue);
    font-weight: bold;
    background: rgba(0, 180, 255, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    text-shadow: 0 0 10px rgba(0, 180, 255, 0.3);
}

.btn-glow {
    box-shadow: 0 0 20px rgba(0, 180, 255, 0.4);
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.badge-item {
    background: rgba(0, 180, 255, 0.15);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 180, 255, 0.3);
    color: var(--text-secondary);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 2px solid var(--accent-blue);
    border-bottom: 2px solid var(--accent-blue);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
    opacity: 0.7;
}

@keyframes bounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(-10px); }
}

/* СТИЛИ ДЛЯ ИНСТРУКЦИЙ НА ГЛАВНОЙ */
.step-number {
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border-radius: 50%;
}

.step-number.bg-primary, .step-number.bg-success, .step-number.bg-info {
    background: linear-gradient(45deg, var(--accent-blue), #0099CC) !important;
}

.step-number.bg-warning {
    background: linear-gradient(45deg, var(--accent-orange), #FF9500) !important;
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.feature-icon.bg-primary, .feature-icon.bg-success, .feature-icon.bg-info {
    background: linear-gradient(45deg, var(--accent-blue), #0099CC) !important;
}

.feature-icon.bg-warning {
    background: linear-gradient(45deg, var(--accent-orange), #FF9500) !important;
}

/* ВИДЕО КОНТЕЙНЕР */
.video-container {
    height: 70vh;
    min-height: 500px;
    max-height: 800px;
    margin-bottom: 2rem;
}

.video-iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 10px;
}

/* ПЕРЕКЛЮЧАТЕЛЬ ТЕМЫ */
.theme-toggle-container {
    display: flex;
    align-items: center;
    margin: 0 10px;
}

.theme-toggle-checkbox {
    display: none;
}

.theme-toggle-label {
    position: relative;
    display: flex;
    align-items: center;
    width: 60px;
    height: 30px;
    background: var(--bg-card-light);
    border-radius: 50px;
    padding: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.theme-toggle-label i {
    position: absolute;
    font-size: 14px;
    transition: all 0.3s ease;
    z-index: 1;
}

.theme-toggle-label .fa-moon {
    left: 8px;
    color: #FFD700;
}

.theme-toggle-label .fa-sun {
    right: 8px;
    color: #FFA500;
}

.theme-toggle-ball {
    position: absolute;
    left: 5px;
    width: 20px;
    height: 20px;
    background: var(--accent-blue);
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 2;
}

.theme-toggle-checkbox:checked + .theme-toggle-label .theme-toggle-ball {
    transform: translateX(30px);
    background: #FFA500;
}

.theme-toggle-checkbox:checked + .theme-toggle-label {
    background: rgba(255, 165, 0, 0.2);
}

/* СПЕЦИФИЧНЫЕ СТИЛИ ДЛЯ ТАБЛИЦ СТАТИСТИК */
.hidden { display: none; }
.details-control { cursor: pointer; }

.parent-row {
    background-color: var(--bg-card) !important;
}

.parent-row.shown + .child-row {
    background-color: var(--bg-card-light) !important;
    display: table-row;
}

.parent-row:hover, .child-row:hover {
    background-color: rgba(0, 180, 255, 0.1) !important;
}

.total-row {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-card-light)) !important;
    font-weight: bold;
    border-top: 2px solid var(--accent-blue);
}

.total-row:hover {
    background: rgba(0, 180, 255, 0.2) !important;
}

.change-cell {
    font-weight: bold;
}

.change-cell.positive {
    background-color: rgba(0, 180, 255, 0.2) !important;
    color: #00a86b !important;
}

.change-cell.negative {
    background-color: rgba(255, 0, 0, 0.2) !important;
    color: #ff4444 !important;
}

.change-cell:contains("+") {
    background-color: rgba(0, 180, 255, 0.2) !important;
    color: #00FF88;
}

.change-cell:contains("-") {
    background-color: rgba(255, 0, 0, 0.2) !important;
    color: #FF4444;
}

.drr-cell.positive {
    background-color: rgba(255, 0, 0, 0.2) !important;
    color: #ff4444 !important;
}

.drr-cell.negative {
    background-color: rgba(0, 180, 255, 0.2) !important;
    color: #00a86b !important;
}

.drr-cell:contains("+") {
    background-color: rgba(255, 0, 0, 0.2) !important;
    color: #FF4444;
}

.drr-cell:contains("-") {
    background-color: rgba(0, 180, 255, 0.2) !important;
    color: #00FF88;
}

/* СТИЛИ ДЛЯ КОММЕНТАРИЕВ В РАБОЧКЕ */
.comment-container {
    max-width: 100%;
}

.comment-text {
    word-wrap: break-word;
    font-size: 0.8rem;
    max-height: 60px;
    background: rgba(0, 180, 255, 0.1);
    padding: 5px;
    border-radius: 3px;
    color: var(--text-primary);
}

.comment-form {
    max-width: 100%;
}

.table-warning td {
    background: rgba(255, 123, 0, 0.1) !important;
}

/* СВЕТЛАЯ ТЕМА */
body.light-theme {
    --bg-dark: #f8f9fa;
    --bg-card: #ffffff;
    --bg-card-light: #f8f9fa;
    --accent-blue: #007bff;
    --accent-orange: #fd7e14;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
}

/* Переопределение всех стилей для светлой темы */
body.light-theme .navbar {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%) !important;
    border-bottom: 2px solid var(--accent-blue) !important;
}

body.light-theme .navbar-nav .nav-link,
body.light-theme #brand {
    color: var(--text-primary) !important;
}

body.light-theme .navbar-nav .nav-link:hover,
body.light-theme #brand:hover {
    color: var(--accent-blue) !important;
}

body.light-theme nav.navbar .navbar-nav > li.nav-item.active > a.nav-link#brand {
    color: var(--accent-blue) !important;
    background: rgba(0, 123, 255, 0.15) !important;
}

body.light-theme .navbar-brand-img {
    filter: none !important;
}

body.light-theme .navbar-brand-img:hover {
    filter: drop-shadow(0 0 8px var(--accent-blue)) !important;
}

body.light-theme .table {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

body.light-theme .table th,
body.light-theme .my-custom-header th {
    background: linear-gradient(135deg, var(--bg-card-light), var(--bg-card)) !important;
    color: var(--accent-blue) !important;
    border-color: var(--border-color) !important;
}

body.light-theme .table td {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

body.light-theme .table tbody tr {
    background-color: var(--bg-card) !important;
}

body.light-theme .table tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.1) !important;
}

body.light-theme .card,
body.light-theme .rounded-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
}

body.light-theme .card-header,
body.light-theme .rounded-card .card-header {
    background: linear-gradient(135deg, var(--bg-card-light), var(--bg-card)) !important;
    color: var(--accent-blue) !important;
    border-bottom: 1px solid var(--border-color) !important;
}

body.light-theme .footer {
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border-color) !important;
    color: var(--text-secondary) !important;
}

body.light-theme .footer-links a {
    color: var(--text-secondary) !important;
}

body.light-theme .footer-links a:hover {
    color: var(--accent-blue) !important;
}

body.light-theme .form-control {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

body.light-theme .form-control:focus {
    background: var(--bg-card) !important;
    border-color: var(--accent-blue) !important;
    color: var(--text-primary) !important;
}

body.light-theme .modal-content {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
}

body.light-theme .modal-header {
    background: linear-gradient(135deg, var(--bg-card-light), var(--bg-card)) !important;
    color: var(--accent-blue) !important;
    border-bottom: 1px solid var(--border-color) !important;
}

body.light-theme .dropdown-menu {
    background: var(--bg-card) !important;
    border: 1px solid var(--accent-blue) !important;
}

body.light-theme .dropdown-menu .dropdown-item {
    color: var(--text-primary) !important;
}

body.light-theme .dropdown-menu .dropdown-item:hover {
    background: var(--accent-blue) !important;
    color: white !important;
}

body.light-theme .theme-toggle-label {
    background: var(--bg-card-light) !important;
    border: 2px solid var(--border-color) !important;
}

body.light-theme .change-cell.positive {
    background-color: rgba(0, 123, 255, 0.15) !important;
    color: #198754 !important;
}

body.light-theme .change-cell.negative {
    background-color: rgba(220, 53, 69, 0.15) !important;
    color: #dc3545 !important;
}

body.light-theme .drr-cell.positive {
    background-color: rgba(220, 53, 69, 0.15) !important;
    color: #dc3545 !important;
}

body.light-theme .drr-cell.negative {
    background-color: rgba(0, 123, 255, 0.15) !important;
    color: #198754 !important;
}

/* АДАПТИВНОСТЬ */
@media (max-width: 768px) {
    .navbar {
        border-radius: 0 0 15px 15px;
    }
    
    .navbar-nav .nav-item {
        margin: 0.25rem 0;
    }
    
    .navbar-collapse {
        padding: 1rem 0;
    }

    .table {
        width: 100%;
        font-size: 10px;
    }
    
    .table th,
    .table td {
        padding: 6px 3px;
    }

    .navbar-brand-img {
        height: 35px;
    }

    .footer-links {
        gap: 16px;
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .vh-100 {
        min-height: calc(100vh - 150px);
    }

    .hero-section {
        padding: 80px 0 60px;
        min-height: 85vh;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .hero-stats .row {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        max-width: 280px;
        margin: 10px auto !important;
    }
    
    .trust-badges {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .portal-circle {
        display: none;
    }
    
    .glados-logo {
        width: 80px;
        height: 80px;
    }
    
    .glados-logo i {
        font-size: 2rem;
    }

    .video-container {
        height: 50vh;
        min-height: 300px;
        max-height: 400px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
}

.animate-slide-up {
    animation: slideUp 0.8s ease-out 0.3s both;
}

/* СТИЛИ ДЛЯ КНОПОК DATATABLES */
.dt-button {
    background: linear-gradient(45deg, var(--accent-blue), #0099CC) !important;
    border: none !important;
    color: white !important;
    border-radius: 8px !important;
    padding: 8px 16px !important;
    margin: 2px !important;
    transition: all 0.3s ease !important;
    font-size: 14px !important;
    box-shadow: 0 2px 10px rgba(0, 180, 255, 0.3) !important;
}

.dt-button:hover {
    background: linear-gradient(45deg, #0099CC, var(--accent-blue)) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 15px rgba(0, 180, 255, 0.4) !important;
    color: white !important;
}

.dt-button-collection {
    background: var(--bg-card) !important;
    border: 1px solid var(--accent-blue) !important;
    border-radius: 8px !important;
    box-shadow: 0 8px 25px rgba(0, 180, 255, 0.2) !important;
    overflow: hidden;
    max-height: 300px !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-blue) var(--bg-card-light);
}

.dt-button-collection .dt-button {
    background: transparent !important;
    color: var(--text-primary) !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    margin: 0 !important;
    text-align: left !important;
    white-space: nowrap !important;
    text-overflow: ellipsis !important;
    overflow: hidden !important;
    display: block !important;
    width: 100% !important;
    padding: 8px 16px !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.dt-button-collection .dt-button:hover {
    background: var(--accent-blue) !important;
    color: white !important;
    transform: none !important;
}

.dt-button-collection .dt-button:last-child {
    border-bottom: none !important;
}

/* Кастомный скроллбар для выпадающего меню */
.dt-button-collection::-webkit-scrollbar {
    width: 6px;
}

.dt-button-collection::-webkit-scrollbar-track {
    background: var(--bg-card-light);
    border-radius: 3px;
}

.dt-button-collection::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 3px;
}

.dt-button-collection::-webkit-scrollbar-thumb:hover {
    background: var(--accent-orange);
}

/* Стили для выпадающего меню кнопки Экспорт */
.dt-button-background {
    background: transparent !important;
}

/* Светлая тема для кнопок DataTables */
body.light-theme .dt-button {
    background: linear-gradient(45deg, var(--accent-blue), #007bff) !important;
    color: white !important;
    box-shadow: 0 2px 10px rgba(0, 123, 255, 0.3) !important;
}

body.light-theme .dt-button:hover {
    background: linear-gradient(45deg, #007bff, var(--accent-blue)) !important;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4) !important;
    color: white !important;
}

body.light-theme .dt-button-collection::-webkit-scrollbar-track {
    background: var(--bg-card-light);
}

body.light-theme .dt-button-collection::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
}

body.light-theme .dt-button-collection {
    background: var(--bg-card) !important;
    border: 1px solid var(--accent-blue) !important;
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.2) !important;
    scrollbar-color: var(--accent-blue) var(--bg-card-light);
}

body.light-theme .dt-button-collection .dt-button {
    color: var(--text-primary) !important;
    background: transparent !important;
}

body.light-theme .dt-button-collection .dt-button:hover {
    background: var(--accent-blue) !important;
    color: white !important;
}

/* Стили для активной кнопки */
.dt-button.active {
    background: linear-gradient(45deg, var(--accent-orange), #FF9500) !important;
    box-shadow: 0 2px 10px rgba(255, 123, 0, 0.3) !important;
}

/* Адаптивность для кнопок */
@media (max-width: 768px) {
    .dt-buttons {
        text-align: center !important;
        margin-bottom: 10px !important;
    }
    
    .dt-button {
        display: block !important;
        width: 100% !important;
        max-width: 280px !important;
        margin: 5px auto !important;
    }

    .dt-button-collection {
        max-height: 300px !important;
        max-width: 90vw !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
    }
    
    .dt-button-collection .dt-button {
        padding: 10px 16px !important;
        font-size: 14px !important;
    }
}

/* Дополнительные стили для кастомных кнопок */
.dt-button-custom {
    background: linear-gradient(45deg, var(--accent-blue), #0099CC) !important;
    border: none !important;
    color: white !important;
    border-radius: 8px !important;
    padding: 8px 16px !important;
    margin: 2px 5px !important;
    transition: all 0.3s ease !important;
    font-size: 14px !important;
    box-shadow: 0 2px 10px rgba(0, 180, 255, 0.3) !important;
}

.dt-button-custom:hover {
    background: linear-gradient(45deg, #0099CC, var(--accent-blue)) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 15px rgba(0, 180, 255, 0.4) !important;
    color: white !important;
}

/* Светлая тема для кастомных кнопок */
body.light-theme .dt-button-custom {
    background: linear-gradient(45deg, var(--accent-blue), #007bff) !important;
    color: white !important;
    box-shadow: 0 2px 10px rgba(0, 123, 255, 0.3) !important;
}

body.light-theme .dt-button-custom:hover {
    background: linear-gradient(45deg, #007bff, var(--accent-blue)) !important;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4) !important;
    color: white !important;
}

/* Дополнительные стили для улучшения отображения */
.dt-button-collection.fixed {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    z-index: 9999 !important;
}

/* Запретить перенос текста в пунктах меню */
.dt-button-collection .dt-button span {
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    display: block !important;
    max-width: 250px !important;
}

/* Добавьте эти стили в конец файла main.css */

.bg-card {
    background-color: var(--bg-card) !important;
}

.text-primary {
    color: var(--text-primary) !important;
}

.border-color {
    border-color: var(--border-color) !important;
}

/* Специфичные стили для list-group-item в контексте темы */
.list-group-item.bg-card {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

.list-group-item.bg-card:hover {
    background-color: var(--bg-card-light) !important;
}