/* КДЯ - Финальные стили с анимациями */

/* === БАЗОВЫЕ СТИЛИ === */
:root {
    /* Brand palette */
    --primary-color: #003087; /* RGB(0,48,135) Pantone 287 C */
    --light-color: #ffffff;   /* RGB(255,255,255) */
    --dark-color: #302E2C;    /* RGB(48,46,44) */
    --secondary-color: #BCBEC0; /* RGB(188,190,192) */
    --black-color: #000000;   /* Black C */

    /* Functional palette (kept from Bootstrap-like defaults) */
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;

    --border-radius: 12px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

/* Тёмная тема: переопределения переменных */
[data-theme="dark"] {
    --primary-color: #4da3ff;
    --light-color: #0f1115;
    --dark-color: #e6e6e6;
    --secondary-color: #9aa0a6;

    --box-shadow: 0 2px 10px rgba(0,0,0,0.6);
    /* Bootstrap variables override */
    --bs-body-bg: #0f1115;
    --bs-body-color: var(--dark-color);
}

/* Базовые тёмные поверхности */
[data-theme="dark"] body {
    background-color: #0f1115;
    color: var(--dark-color);
}

[data-theme="dark"] .modern-card,
[data-theme="dark"] .auth-card,
[data-theme="dark"] .comment-item,
[data-theme="dark"] .create-post-form,
[data-theme="dark"] .comment-form {
    background: #151922;
    border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .dropdown-menu {
    background: #151922;
    color: var(--dark-color);
    border-color: rgba(255,255,255,0.08);
}
[data-theme="dark"] .dropdown-item {
    color: var(--dark-color);
}
[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
    background: rgba(255,255,255,0.06);
    color: var(--dark-color);
}

[data-theme="dark"] .navbar,
[data-theme="dark"] .footer {
    background: #0b0d12 !important;
}

/* Модальные окна в тёмной теме */
[data-theme="dark"] .modal-content {
    background: #151922;
    color: var(--dark-color);
}
[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer,
[data-theme="dark"] .modal-body {
    background: #151922;
}
[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%);
}

[data-theme="dark"] .post-files,
[data-theme="dark"] #filesPreview {
    background: rgba(77, 163, 255, 0.08);
    border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .file-preview-item,
[data-theme="dark"] .file-item {
    background: #151922;
    border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .breadcrumb .breadcrumb-item a,
[data-theme="dark"] .text-muted {
    color: #a3a7ad !important;
}

[data-theme="dark"] a {
    color: #8ab4f8;
}
[data-theme="dark"] a:hover { color: #a5c6ff; }

[data-theme="dark"] .bg-light {
    background-color: rgba(255,255,255,0.06) !important;
}
[data-theme="dark"] .border,
[data-theme="dark"] hr,
[data-theme="dark"] .card-header,
[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer,
[data-theme="dark"] .post-header,
[data-theme="dark"] .post-actions {
    border-color: rgba(255,255,255,0.08) !important;
}

/* Формы в тёмной теме */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] .input-group-text {
    background-color: #0f1115;
    color: var(--dark-color);
    border-color: rgba(255,255,255,0.12);
}

/* Исправление для заполненных полей в темной теме */
[data-theme="dark"] .form-control:not(:placeholder-shown),
[data-theme="dark"] .form-select:not([value=""]),
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] textarea.form-control:not(:placeholder-shown),
[data-theme="dark"] textarea.form-control:focus {
    background-color: #0f1115 !important;
    color: var(--dark-color) !important;
}
[data-theme="dark"] .form-floating>.form-control-plaintext~label,
[data-theme="dark"] .form-floating>.form-control:focus~label,
[data-theme="dark"] .form-floating>.form-control:not(:placeholder-shown)~label,
[data-theme="dark"] .form-floating>.form-select~label {
    color: #cfd3da;
    background-color: transparent !important;
}

/* Исправление выравнивания лейбла при узких колонках на auth */
.auth-card .form-floating>label { left: 0.75rem; right: auto; width: auto; }
.auth-card .form-floating>.form-control, .auth-card .form-floating>.form-select { padding-top: 1.25rem; }
.auth-card .form-floating>label::after { display: none; }
[data-theme="dark"] .form-floating > label { background-color: transparent !important; color: #cfd3da; }
[data-theme="dark"] .form-floating > .form-control:focus ~ label,
[data-theme="dark"] .form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: #cfd3da;
}

/* Унифицированный стиль лейблов форм: без белой плашки, корректный цвет в светлой теме */
.form-floating > label { background-color: transparent !important; color: var(--dark-color); }
/* Глобально убираем "плашку" у label для всех floating-полей */
.form-floating > .form-control ~ label,
.form-floating > .form-select ~ label,
.form-floating > textarea.form-control ~ label {
    background-color: transparent !important;
    box-shadow: none !important;
}
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select:focus ~ label,
.form-floating > .form-select:not([value=""]) ~ label,
.form-floating > textarea.form-control:focus ~ label,
.form-floating > textarea.form-control:not(:placeholder-shown) ~ label {
    background-color: transparent !important;
    box-shadow: none !important;
}

/* Небольшая коррекция внутренних отступов метки, чтобы текст не "резался" */
.form-floating > label { padding: .25rem .35rem !important; }
/* Убираем белую плашку у лейбла при активном состоянии и смещении */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label,
.form-floating > textarea.form-control:focus ~ label,
.form-floating > textarea.form-control:not(:placeholder-shown) ~ label {
    background-color: transparent !important;
}
[data-theme="dark"] .form-control::placeholder { color: #8b9097; }
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(77,163,255,0.25);
    border-color: #4da3ff;
}
[data-theme="dark"] .form-text,
[data-theme="dark"] .form-floating > label { 
    color: #cfd3da; 
}
[data-theme="dark"] .form-floating > .form-control ~ label,
[data-theme="dark"] .form-floating > .form-select ~ label,
[data-theme="dark"] .form-floating > textarea.form-control ~ label {
    background-color: transparent !important;
}

/* Кнопки в тёмной теме (контуры) */
[data-theme="dark"] .btn-outline-primary {
    color: #8ab4f8 !important;
    border-color: #4da3ff !important;
}
[data-theme="dark"] .btn-outline-primary:hover,
[data-theme="dark"] .btn-outline-primary:focus {
    background-color: #4da3ff !important;
    color: #0b0d12 !important;
}

/* Иконки в тёмной теме — делаем видимыми серые/чёрные */
[data-theme="dark"] i.fas.fa-trash,
[data-theme="dark"] .btn-outline-dark i,
[data-theme="dark"] .text-dark i {
    color: #e6e6e6 !important;
}
[data-theme="dark"] .btn-outline-dark { color: #e6e6e6 !important; border-color: rgba(255,255,255,0.4) !important; }
[data-theme="dark"] .btn-outline-dark:hover { background:#e6e6e6 !important; color:#0b0d12 !important; }

/* Кнопки в модальных окнах в темной теме */
[data-theme="dark"] .btn-outline-secondary {
    color: #cfd3da !important;
    border-color: rgba(255,255,255,0.12) !important;
}
[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: rgba(255,255,255,0.1) !important;
    color: #ffffff !important;
}

/* Общая типографика в тёмной теме */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6,
[data-theme="dark"] p,
[data-theme="dark"] small,
[data-theme="dark"] label,
[data-theme="dark"] .form-label,
[data-theme="dark"] .card-title,
[data-theme="dark"] .card-text {
    color: var(--dark-color);
}

/* Таблицы (админка и в целом) */
[data-theme="dark"] .table {
    color: var(--dark-color);
    --bs-table-bg: #12161f;
    --bs-table-striped-bg: #171c27;
    --bs-table-striped-color: var(--dark-color);
    --bs-table-hover-bg: #1b2230;
    --bs-table-hover-color: var(--dark-color);
    border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .table thead th {
    background: #1b2230;
    color: var(--dark-color);
    border-color: rgba(255,255,255,0.08);
}

[data-theme="dark"] .table tbody td,
[data-theme="dark"] .table tbody th {
    border-color: rgba(255,255,255,0.08);
    color: var(--dark-color);
}

[data-theme="dark"] .table-bordered {
    border-color: rgba(255,255,255,0.12);
}

[data-theme="dark"] .table-responsive,
[data-theme="dark"] .table-container {
    background: #0f1115;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--border-radius);
}

/* Личные посты в профиле */
[data-theme="dark"] .personal-post {
    background: #151922;
    border-left-color: #4da3ff;
    color: var(--dark-color);
}
[data-theme="dark"] .personal-post .post-content,
[data-theme="dark"] .personal-post .text-muted {
    color: var(--dark-color);
}

/* Элементы статусов/бейджей, чтобы не терялись на тёмном */
[data-theme="dark"] .badge.bg-success { background-color: #2ea043 !important; }
[data-theme="dark"] .badge.bg-warning { background-color: #f0ad4e !important; color: #0b0d12 !important; }
[data-theme="dark"] .badge.bg-info { background-color: #0ea5e9 !important; }
[data-theme="dark"] .badge.bg-danger { background-color: #e5534b !important; }

/* Прочие фоновые утилиты */
[data-theme="dark"] .bg-white { background-color: #151922 !important; }
[data-theme="dark"] .bg-light { background-color: rgba(255,255,255,0.06) !important; }
[data-theme="dark"] .alert { background: #151922; color: var(--dark-color); border-color: rgba(255,255,255,0.12); }
[data-theme="dark"] .alert-info { background: #0f1722; color: #bcd7ff; border-color: #2a4470; }
[data-theme="dark"] .alert-warning { background: #241e0f; color: #ffd18b; border-color: #6b5216; }
[data-theme="dark"] .alert-danger { background: #2a1517; color: #ffb3b7; border-color: #6b2328; }

/* Предложения проекта (элементы списка) */
[data-theme="dark"] .application-item {
    background: #151922;
    color: var(--dark-color);
    border-left-color: #f0ad4e;
}
[data-theme="dark"] .application-item .text-muted { color: #a3a7ad !important; }

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

/* Обеспечиваем прижатый к низу подвал на коротких страницах */
html, body {
    height: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
}

/* === НОВЫЕ СТИЛИ ДЛЯ ГЛАВНОЙ СТРАНИЦЫ === */
.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    max-width: 500px;
    margin: 0 auto;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.stat-content h4 {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-content p {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.4;
}

/* Исправляем контрастность главной секции */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons .btn {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.shape-square {
    border-radius: 4px;
}

.shape-triangle {
    width: 0;
    height: 0;
    background: transparent;
    border-style: solid;
}

.shape-hexagon {
    border-radius: 6px;
    transform: rotate(45deg);
}

.shape-1 {
    width: 50px;
    height: 50px;
    top: 15%;
    right: 15%;
    animation-delay: 0s;
}

.shape-2 {
    border-left: 25px solid transparent;
    border-right: 25px solid transparent;
    border-bottom: 43px solid rgba(255, 255, 255, 0.05);
    top: 70%;
    right: 25%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 25%;
    right: 45%;
    animation-delay: 4s;
}

.shape-4 {
    width: 40px;
    height: 40px;
    top: 55%;
    right: 65%;
    animation-delay: 6s;
}

/* === АНИМАЦИИ === */
@keyframes floating {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

@keyframes rotating {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* === ГЛАВНАЯ СЕКЦИЯ === */
.hero-section {
    background: transparent;
    color: white;
    position: relative;
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 10;
}

/* Фон главной страницы */
.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/static/images/index_bg.jpg') no-repeat center center / cover;
    opacity: 0.8; /* легкая подложка, чтобы текст читалась */
    z-index: -1;
    transition: opacity 0.3s ease;
    filter: none;
    mix-blend-mode: normal;
}

/* По умолчанию фоновое изображение видимо */
.hero-section::before {
    opacity: 0.8;
    filter: none;
    mix-blend-mode: normal;
}

/* Фоновое изображение должно отображаться без искажений */
.hero-section:not(:has(.hero-video-background:not(.d-none)))::before {
    opacity: 0.8 !important;
    filter: none !important;
    mix-blend-mode: normal !important;
}

/* Дополнительно убираем любые возможные CSS-фильтры для фонового изображения */
.hero-section:not(:has(.hero-video-background:not(.d-none)))::before {
    filter: none !important;
    mix-blend-mode: normal !important;
    color: inherit !important;
    hue-rotate: 0deg !important;
    saturate: 100% !important;
    brightness: 100% !important;
    contrast: 100% !important;
}

/* Принудительно убираем любые CSS-фильтры для видео */
.hero-video-background video,
.hero-video-background:not(.d-none) video {
    filter: none !important;
    background: none !important;
    mix-blend-mode: normal !important;
    opacity: 1 !important;
    transform: none !important;
    color: inherit !important;
    hue-rotate: 0deg !important;
    saturate: 100% !important;
    brightness: 100% !important;
    contrast: 100% !important;
    backdrop-filter: none !important;
    -webkit-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

/* Дополнительно убираем любые CSS-фильтры для видео */
.hero-video-background video {
    filter: none !important;
    background: none !important;
    mix-blend-mode: normal !important;
    opacity: 1 !important;
    transform: none !important;
    color: inherit !important;
    hue-rotate: 0deg !important;
    saturate: 100% !important;
    brightness: 100% !important;
    contrast: 100% !important;
    backdrop-filter: none !important;
    -webkit-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

/* Принудительно скрываем фоновое изображение когда видео активно */
.hero-section .hero-video-background:not(.d-none) ~ .hero-section::before,
.hero-section .hero-video-background:not(.d-none) + .hero-section::before,
.hero-section .hero-video-background:not(.d-none) ~ *::before,
.hero-section .hero-video-background:not(.d-none) + *::before {
    opacity: 0 !important;
    filter: none !important;
    mix-blend-mode: normal !important;
}

/* Дополнительно принудительно скрываем фоновое изображение */
.hero-section .hero-video-background:not(.d-none) ~ *::before,
.hero-section .hero-video-background:not(.d-none) + *::before {
    opacity: 0 !important;
    filter: none !important;
    mix-blend-mode: normal !important;
    display: none !important;
}

/* Принудительно убираем любые CSS-фильтры для фонового изображения */
.hero-section::before {
    filter: none !important;
    mix-blend-mode: normal !important;
    color: inherit !important;
    hue-rotate: 0deg !important;
    saturate: 100% !important;
    brightness: 100% !important;
    contrast: 100% !important;
    backdrop-filter: none !important;
    -webkit-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

.hero-title {
    color: white;
}

.hero-content {
    animation: fadeIn 1s ease-out;
}

.hero-image {
    animation: fadeInDelay 1.2s ease-out;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.fade-in.show {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay {
    animation: fadeInDelay 1.2s ease-out;
}

/* Предотвращаем исчезновение основного контента */
.hero-content,
.hero-buttons,
.hero-stats {
    opacity: 1 !important;
    visibility: visible !important;
    animation: none !important;
    position: relative;
    z-index: 10;
}

/* Убираем анимации с критически важного контента */
.hero-content h1,
.hero-content p,
.hero-buttons .btn {
    opacity: 1 !important;
    visibility: visible !important;
    animation: none !important;
}

/* === СТИЛИ ДЛЯ ПРЕВЬЮ ФАЙЛОВ === */
.file-preview-container {
    max-width: 100%;
}

.file-preview-item {
    background: #f8f9fa;
    transition: all 0.2s ease;
}

.file-preview-item:hover {
    background: #e9ecef;
    transform: translateX(2px);
}

.file-preview-item img {
    border: 1px solid #dee2e6;
}

.file-preview-item .btn-outline-danger {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.file-preview-item .btn-outline-danger:hover {
    transform: scale(1.1);
}

/* === КНОПКИ === */
.pulse-btn {
    animation: pulse 2s ease-in-out infinite;
}

.btn {
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* === КАРТОЧКИ === */
.modern-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    background: white;
}

.modern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.hover-lift:hover {
    transform: translateY(-10px);
}

/* === КАРТОЧКИ ВОЗМОЖНОСТЕЙ === */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    transition: var(--transition);
    animation: floating 3s ease-in-out infinite;
}

.feature-card:hover {
    background: white;
    transform: translateY(-5px);
}

.floating {
    animation: floating 4s ease-in-out infinite;
}

.floating-delay {
    animation: floating 4s ease-in-out infinite;
    animation-delay: 2s;
}

.feature-card i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.feature-card h5 {
    margin-bottom: 5px;
    color: var(--dark-color);
}

.feature-card p {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin: 0;
}

/* === СЕКЦИЯ ВОЗМОЖНОСТЕЙ === */
.features-section {
    background: rgba(255, 255, 255, 0.95);
    position: relative;
    z-index: 1;
}

.feature-icon {
    margin-bottom: 20px;
}

/* === АВТОРИЗАЦИЯ === */
.auth-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
}

.auth-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    animation: fadeIn 0.6s ease-out;
}

.auth-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 20px;
}

/* === НАВИГАЦИЯ === */
.navbar {
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.5rem;
}

.nav-link {
    transition: var(--transition);
    border-radius: 6px;
}

.nav-link:hover {
    background: rgba(255,255,255,0.1);
}

/* === ПРОЕКТЫ, КУРСЫ, ПАС === */
.project-card, .course-card, .pas-card {
    transition: var(--transition);
    height: 100%;
}

.course-card:hover, .pas-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.project-card {
    border: 1px solid rgba(39, 59, 140, 0.45);
    border-radius: 16px;
    overflow: hidden;
    background:
        radial-gradient(circle at top left, rgba(50, 89, 229, 0.18), transparent 46%),
        linear-gradient(180deg, #24265a 0%, #1c1f4b 100%);
    box-shadow: 0 14px 36px rgba(18, 22, 61, 0.28);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 42px rgba(18, 22, 61, 0.34);
}

.project-card__cover {
    position: relative;
    min-height: 170px;
    margin: 12px 12px 0;
    border-radius: 14px;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(20, 28, 88, 0.2), rgba(8, 151, 255, 0.08)),
        linear-gradient(135deg, #4876ff 0%, #1fd0ff 100%);
}

.project-card__cover::before,
.project-card__cover::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
}

.project-card__cover::before {
    width: 140px;
    height: 140px;
    right: -36px;
    top: -42px;
    background: rgba(255, 255, 255, 0.2);
}

.project-card__cover::after {
    width: 120px;
    height: 120px;
    left: -28px;
    bottom: -54px;
    background: rgba(14, 23, 79, 0.24);
}

.project-card-col:nth-child(4n + 1) .project-card__cover {
    background:
        linear-gradient(135deg, rgba(20, 28, 88, 0.16), rgba(8, 151, 255, 0.08)),
        linear-gradient(135deg, #4f84ff 0%, #1ed1ff 100%);
}

.project-card-col:nth-child(4n + 2) .project-card__cover {
    background:
        linear-gradient(135deg, rgba(33, 24, 88, 0.18), rgba(255, 126, 95, 0.1)),
        linear-gradient(135deg, #6c5cff 0%, #ff8f5a 100%);
}

.project-card-col:nth-child(4n + 3) .project-card__cover {
    background:
        linear-gradient(135deg, rgba(11, 47, 64, 0.14), rgba(77, 227, 190, 0.08)),
        linear-gradient(135deg, #0f9fb3 0%, #6ee7b7 100%);
}

.project-card-col:nth-child(4n + 4) .project-card__cover {
    background:
        linear-gradient(135deg, rgba(78, 35, 7, 0.14), rgba(255, 210, 66, 0.1)),
        linear-gradient(135deg, #ff9f43 0%, #ffd93d 100%);
}

.project-card__badges {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-card__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 24px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

.project-card__badge--active {
    background: #13c8f2;
}

.project-card__badge--paused {
    background: #f2b705;
    color: #17203f;
}

.project-card__badge--completed {
    background: #27c66d;
}

.project-card__badge--direction {
    background: rgba(15, 23, 61, 0.6);
    backdrop-filter: blur(10px);
}

.project-card__cover-mark {
    position: absolute;
    right: 18px;
    bottom: 16px;
    z-index: 1;
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: rgba(15, 23, 61, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.26);
    backdrop-filter: blur(12px);
    color: #fff;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.project-card__body {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 18px 16px 16px;
    color: #e9eeff;
}

.project-card__title {
    margin: 0;
    font-size: 1.35rem;
    line-height: 1.25;
}

.project-card__title-link {
    color: #2d8cff;
    text-decoration: none;
}

.project-card__title-link:hover {
    color: #62acff;
}

.project-card__description {
    margin: 0;
    color: rgba(230, 237, 255, 0.85);
    line-height: 1.55;
    min-height: 74px;
}

.project-card__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.project-stat {
    text-align: center;
    padding: 10px 8px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(127, 147, 255, 0.12);
}

.project-stat__value {
    margin-bottom: 6px;
    font-size: 1.15rem;
    font-weight: 800;
    line-height: 1;
}

.project-stat__value--info {
    color: #22d3ee;
}

.project-stat__value--success {
    color: #5ee17f;
}

.project-stat__value--warning {
    color: #ffca57;
}

.project-stat__label {
    color: rgba(223, 230, 255, 0.8);
    font-size: 0.74rem;
    font-weight: 600;
}

.project-card__footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: rgba(225, 232, 255, 0.82);
}

.project-card__author {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-card__avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.18);
}

.project-card__avatar--fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #13c8f2;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 800;
}

.project-card__author-name,
.project-card__date {
    color: rgba(225, 232, 255, 0.82);
}

.project-card__author-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.project-card__date {
    flex-shrink: 0;
}

.course-stats {
    text-align: center;
}

.pas-stat {
    text-align: center;
}

/* === ЭТАПЫ ПРОЕКТОВ === */
.stage-item {
    padding: 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    margin-bottom: 10px;
}

.stage-item:hover {
    background: var(--light-color);
}

.stage-item.completed {
    background: rgba(25, 135, 84, 0.1);
    border-left: 4px solid var(--success-color);
}

[data-theme="dark"] .stage-item {
    background: #151922;
    color: var(--dark-color);
    border: 1px solid rgba(255,255,255,0.08);
}
[data-theme="dark"] .stage-item:hover { background: #1b2230; }
[data-theme="dark"] .stage-item.completed { background: rgba(46,160,67,0.15); }
[data-theme="dark"] .stage-title,
[data-theme="dark"] .stage-description { color: var(--dark-color); }

.stage-manage-item {
    background: var(--light-color);
    border: 1px solid #e9ecef;
    transition: var(--transition);
}

.stage-manage-item:hover {
    background: white;
    border-color: var(--primary-color);
}

/* === КОМАНДА === */
.team-member, .team-manage-item, .participant-item {
    transition: var(--transition);
    padding: 10px;
    border-radius: 8px;
}

.team-member:hover, .team-manage-item:hover, .participant-item:hover {
    background: var(--light-color);
}

/* === ПОСТЫ === */
.post-item {
    padding: 20px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background: var(--light-color);
    margin-bottom: 20px;
}

.post-item:hover {
    background: white;
    box-shadow: var(--box-shadow);
}

/* Посты: тёмная тема не должна становиться белой на hover */
[data-theme="dark"] .post-item { background: #151922; }
[data-theme="dark"] .post-item:hover { background: #1b2230; box-shadow: var(--box-shadow); }
[data-theme="dark"] .personal-post { background: #151922; }
[data-theme="dark"] .personal-post:hover { background: #1b2230; }

.post-avatar, .member-avatar, .participant-avatar {
    flex-shrink: 0;
}

.post-image img {
    border-radius: 8px;
    transition: var(--transition);
}

.post-image img:hover {
    transform: scale(1.02);
}

/* === СТИЛИ ДЛЯ ФАЙЛОВ В ПОСТАХ === */
.post-files {
    margin-top: 1rem;
}

.file-preview img {
    border: 2px solid #e9ecef;
    transition: var(--transition);
    cursor: pointer;
}

.file-preview img:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.file-attachment .btn {
    font-size: 0.85rem;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    transition: var(--transition);
}

.file-attachment .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* === СТИЛИ ДЛЯ ПРЕДВАРИТЕЛЬНОГО ПРОСМОТРА ФАЙЛОВ === */
#filesPreview {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    padding: 1rem;
}

.file-item {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    transition: var(--transition);
}

.file-item:hover {
    border-color: var(--primary-color);
    background: #f8f9fa;
}

.file-item .fas {
    font-size: 1.1rem;
}

.file-item .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* === СТИЛИ ДЛЯ УПРАВЛЕНИЯ ПРОЕКТАМИ === */
.btn-group .dropdown-toggle {
    min-width: 200px;
}

.status-badge {
    font-size: 0.85rem;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
}

.status-active {
    background-color: var(--success-color);
    color: white;
}

.status-paused {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.status-completed {
    background-color: var(--info-color);
    color: white;
}

/* === АДМИНКА === */
.admin-section {
    background: var(--light-color);
}

.tab-content {
    animation: fadeIn 0.3s ease-out;
}

.user-role-select {
    transition: var(--transition);
}

.user-role-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* === СТАТИСТИКА === */
.stat-item {
    padding: 10px;
    transition: var(--transition);
}

.stat-item:hover {
    transform: scale(1.05);
}

/* === УВЕДОМЛЕНИЯ === */
.modern-alert {
    border: none;
    border-radius: var(--border-radius);
    animation: slideIn 0.5s ease-out;
}

/* === МОДАЛЬНЫЕ ОКНА === */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.modal-header {
    border-bottom: 1px solid #e9ecef;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* === ФОРМЫ === */
.form-floating > .form-control {
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.form-floating > .form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    transform: translateY(-2px);
}

.form-select {
    border-radius: var(--border-radius);
    transition: var(--transition);
}

/* === ФУТЕР === */
.footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--primary-color) 100%);
    margin-top: auto;
}

/* Белый текст в подвале */
.footer,
.footer p,
.footer a,
.footer small,
.footer .text-muted {
    color: #ffffff !important;
}
.footer a:hover {
    color: var(--info-color) !important;
}

/* Брендовый primary для кнопок и утилитных классов */
.btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}
.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    filter: brightness(0.95);
}
.btn-outline-primary {
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}
.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--primary-color) !important;
    color: #ffffff !important;
}
.text-primary { color: var(--primary-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }

.footer a:hover {
    color: var(--info-color) !important;
    transition: var(--transition);
}

.developers-fab {
    position: fixed;
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    z-index: 1050;
    text-decoration: none;
    transition: var(--transition);
}

.developers-fab:hover {
    transform: translateY(-2px);
    color: #ffffff;
    box-shadow: 0 12px 30px rgba(0,0,0,0.35);
}

.developers-fab:active {
    transform: translateY(0);
}

[data-theme="dark"] .developers-fab {
    box-shadow: 0 10px 26px rgba(0,0,0,0.45);
}

/* === ОШИБКИ === */
.error-page {
    animation: fadeIn 0.8s ease-out;
}

.error-code {
    opacity: 0.1;
    position: relative;
}

.error-code h1 {
    font-size: 8rem;
    font-weight: 900;
}

/* === АДАПТИВНОСТЬ === */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }

    .auth-card {
        padding: 30px 20px;
    }

    .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 10px;
    }

    .hero-buttons .btn:last-child {
        margin-bottom: 0;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .feature-card {
        padding: 15px;
    }

    .modern-card {
        margin-bottom: 20px;
    }

    .error-code h1 {
        font-size: 5rem;
    }
}

/* === ДОПОЛНИТЕЛЬНЫЕ ЭФФЕКТЫ === */
.fade-in-up {
    animation: fadeIn 0.6s ease-out;
}

.slide-in-left {
    animation: slideIn 0.8s ease-out;
}

.bounce-in {
    animation: pulse 0.6s ease-out;
}

/* === СКРОЛЛБАР === */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* === ФИНАЛЬНЫЕ ШТРИХИ === */
.text-gradient {
    background: linear-gradient(45deg, var(--primary-color), var(--info-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.shadow-lg-custom {
    box-shadow: 0 1rem 3rem rgba(0,0,0,0.175);
}

/* === СТИЛИ ДЛЯ НОВЫХ ЭЛЕМЕНТОВ === */

/* PAS filters: allow wrapping on mobile and avoid overflow */
.pas-filters .btn-group {
    display: flex; /* override inline-flex to allow full-width wrapping */
    flex-wrap: wrap;
    width: 100%;
}

.pas-filters .btn-group .btn {
    margin: 0 0.5rem 0.5rem 0; /* small gap between buttons */
}

@media (max-width: 576px) {
    .pas-filters .btn-group .btn {
        flex: 1 1 calc(50% - 0.5rem); /* two columns on very small screens */
    }
}

/* Прокручиваемые списки в карточках */
.scrollable-list {
    max-height: 280px;
    overflow-y: auto;
    padding-right: 4px;
}

.scrollable-list::-webkit-scrollbar {
    width: 6px;
}

.scrollable-list::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

.scrollable-list::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Карточки студентов и пользователей */
.student-card, .user-card {
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.1);
}

.student-card:hover, .user-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Заявки на проекты */
.application-item {
    background: #f8f9fa;
    border-left: 4px solid var(--warning-color);
}

.application-message {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.2);
}

/* Личные посты */
.personal-post {
    background: #f8f9fa;
    border-left: 4px solid var(--primary-color);
}

.post-content {
    line-height: 1.6;
}

.post-image img {
    transition: var(--transition);
    cursor: pointer;
}

.post-image img:hover {
    transform: scale(1.02);
}

/* Предварительный просмотр изображений */
#imagePreview {
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    background: rgba(13, 110, 253, 0.05);
}

#previewImg {
    max-width: 100%;
    border-radius: var(--border-radius);
}

/* Адаптивность для новых элементов */
@media (max-width: 768px) {
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .student-card, .user-card {
        margin-bottom: 1rem;
    }
}

/* === СТИЛИ ДЛЯ АКАДЕМИИ === */

/* Лента постов */
.academy-post {
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.1);
}

.academy-post:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Заголовок поста */
.post-header {
    border-bottom: 1px solid rgba(0,0,0,0.1);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.post-author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.post-author-info h6 {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.post-timestamp {
    color: var(--secondary-color);
    font-size: 0.85rem;
}

/* Содержимое поста */
.post-content {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark-color);
}

/* Файлы в постах */
.post-files {
    background: rgba(13, 110, 253, 0.05);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin: 1rem 0;
}

.post-files h6 {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.file-attachment {
    background: white;
    border: 1px solid rgba(0,0,0,0.1);
    transition: var(--transition);
}

.file-attachment:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.2);
}

.file-preview {
    text-align: center;
    padding: 0.25rem;
}

.file-preview img {
    max-width: 100%;
    border-radius: 8px;
}

.file-info {
    padding: 0.5rem;
    text-align: center;
}

.file-info small {
    display: block;
    margin-bottom: 0.25rem;
}

/* Кнопки взаимодействия */
.post-actions {
    border-top: 1px solid rgba(0,0,0,0.1);
    padding-top: 1rem;
    margin-top: 1rem;
}

.post-actions .btn {
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Комментарии */
.comments-section {
    background: rgba(248, 249, 250, 0.8);
    border-radius: var(--border-radius);
    margin-top: 1rem;
}

[data-theme="dark"] .comments-section {
    background: #151922;
    border: 1px solid rgba(255,255,255,0.08);
}

.comment-item {
    background: white;
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.comment-item:hover {
    border-color: rgba(13, 110, 253, 0.2);
}

.comment-author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--primary-color);
}

.comment-form {
    background: white;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: var(--border-radius);
    padding: 1rem;
}

.comment-form .input-group {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.comment-form .btn {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* Форма создания поста */
.create-post-form {
    background: white;
    border: 2px solid rgba(13, 110, 253, 0.1);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.create-post-form:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.create-post-form textarea {
    border: none;
    resize: none;
    font-size: 1rem;
}

.create-post-form textarea:focus {
    box-shadow: none;
}

/* Предварительный просмотр файлов */
#filesPreview {
    background: rgba(248, 249, 250, 0.8);
    border-radius: var(--border-radius);
    padding: 1rem;
}

.file-item {
    background: white;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 8px;
    transition: var(--transition);
}

.file-item:hover {
    border-color: var(--primary-color);
    background: rgba(13, 110, 253, 0.05);
}

.file-item .btn {
    border-radius: 50%;
    width: 24px;
    height: 24px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

/* Адаптивность для Академии */
@media (max-width: 768px) {
    .post-author-avatar {
        width: 40px;
        height: 40px;
    }
    
    .comment-author-avatar {
        width: 28px;
        height: 28px;
    }
    
    .file-attachment {
        margin-bottom: 1rem;
    }
    
    .post-actions .btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
}

/* === ПРИНТ СТИЛИ === */
@media print {
    .navbar, .footer, .btn, .modal {
        display: none !important;
    }

    .container {
        max-width: none !important;
    }

    .modern-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* === АДАПТИВ ДЛЯ МОБИЛЬНЫХ === */
@media (max-width: 768px) {
    .hero-stats {
        grid-template-columns: 1fr;
        max-width: 100%;
        gap: 1rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .modern-card {
        border-radius: 10px;
        padding: 1rem;
    }

    .post-author-avatar,
    .comment-author-avatar,
    .post-avatar img,
    .post-avatar {
        width: 36px !important;
        height: 36px !important;
    }

    .post-files .img-thumbnail,
    .file-preview img {
        max-width: 90px !important;
        max-height: 90px !important;
    }

    .card-header .btn-group,
    .card-header .btn {
        font-size: 0.9rem;
    }

    .breadcrumb {
        flex-wrap: wrap;
    }

    .breadcrumb .breadcrumb-item a,
    .breadcrumb .breadcrumb-item {
        word-break: break-word;
    }

    .auth-card {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .navbar .navbar-brand {
        font-size: 1rem;
    }

    .navbar .nav-link {
        padding: 0.4rem 0.6rem;
    }

    .hero-buttons .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .card .btn,
    .modal .btn {
        width: 100%;
    }

    .post-content p,
    .course-content,
    .file-info small {
        font-size: 0.95rem;
    }

    .form-floating > label {
        font-size: 0.9rem;
    }

    .stat-card {
        padding: 1rem;
    }

    #filesList .file-item {
        width: 100%;
        justify-content: space-between;
    }
}

/* === ДОРАБОТКИ АДАПТИВА === */
@media (max-width: 576px) {
    /* Геройская секция: стек кнопок и отступы от плашек статистики */
    .hero-stats {
        margin-bottom: 1rem;
    }
    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    .hero-buttons .btn {
        width: 100%;
    }

    /* Уменьшаем визуальный вес карточек статистики */
    .stat-card {
        padding: 0.9rem;
    }
    .stat-content h4 {
        font-size: 1rem;
        margin-bottom: 0.25rem;
    }
    .stat-content p {
        font-size: 0.85rem;
    }

    /* Поля ввода — удобнее на мобильных */
    .form-control,
    .form-select,
    .input-group .form-control {
        font-size: 16px; /* предотвращает зум на iOS */
        padding: 0.65rem 0.75rem;
        line-height: 1.25rem;
    }
    .form-floating > label {
        font-size: 0.95rem;
        padding: 0.4rem 0.75rem;
    }
    .form-floating > .form-control,
    .form-floating > .form-select {
        height: auto;
        min-height: 3rem;
        padding-top: 1.25rem;
        padding-bottom: 0.5rem;
    }

    /* Группы действий в заголовках карточек не переносятся некрасиво */
    .card-header .btn-group {
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    /* Превью файлов меньше и с переносом */
    .post-files .img-thumbnail,
    .file-preview img {
        max-width: 80px !important;
        max-height: 80px !important;
    }
}

@media (max-width: 400px) {
    /* Дополнительная страховка для очень узких экранов */
    .navbar .navbar-brand { font-size: 0.95rem; }
    .nav-link { padding: 0.35rem 0.5rem; }
    .stat-card { padding: 0.75rem; }
}

/* === ФИКС ПЕРЕКРЫТИЙ НА ГЛАВНОЙ (МОБИЛЬНО) === */
@media (max-width: 576px) {
    .hero-section .row {
        min-height: auto !important;
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
        position: relative;
        z-index: 10;
    }
    .hero-content {
        margin-bottom: 1rem;
        position: relative;
        z-index: 10;
    }
    .hero-image {
        margin-top: 0.5rem;
        position: relative;
        z-index: 10;
    }
    .hero-stats {
        margin-top: 0.75rem;
    }
    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    .hero-buttons .btn {
        width: 100%;
        margin: 0 !important;
    }
}

/* Отключаем эффект подъёма карточек на тач-устройствах, чтобы не прыгал контент */
@media (hover: none) {
    .stat-card:hover,
    .modern-card:hover,
    .hover-lift:hover {
        transform: none;
        box-shadow: var(--box-shadow);
    }
}

/* === СТИЛИ ДЛЯ АДМИН-ПАНЕЛИ === */

/* Стили для отображения данных пользователя */
.user-data-info {
    font-size: 0.8rem;
    line-height: 1.2;
}

.user-data-info .text-info,
.user-data-info .text-primary,
.user-data-info .text-success,
.user-data-info .text-warning,
.user-data-info .text-secondary,
.user-data-info .text-dark {
    margin-bottom: 0.2rem;
}

/* Адаптивность для колонки данных */
@media (max-width: 1200px) {
    .user-data-info {
        font-size: 0.75rem;
    }
}

@media (max-width: 992px) {
    .user-data-info {
        font-size: 0.7rem;
    }
}

/* Стили для кнопок принудительного удаления */
.btn-outline-warning.force-delete {
    border-color: #ffc107;
    color: #ffc107;
}

.btn-outline-warning.force-delete:hover {
    background-color: #ffc107;
    color: #000;
}

/* Подсветка пользователей с данными */
.user-with-data {
    background-color: rgba(13, 110, 253, 0.05);
}

.user-with-data:hover {
    background-color: rgba(13, 110, 253, 0.1);
}

[data-theme="dark"] .user-with-data {
    background-color: rgba(77, 163, 255, 0.1);
}

[data-theme="dark"] .user-with-data:hover {
    background-color: rgba(77, 163, 255, 0.15);
}

/* === СТИЛИ ДЛЯ КАСТОМНОГО UI === */

/* Фоновое видео */
.hero-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    transition: opacity 0.3s ease;
}

/* Когда видео скрыто, оно не должно занимать место */
.hero-video-background.d-none {
    opacity: 0;
    pointer-events: none;
}

/* Убираем фоновый градиент когда видео активно */
.hero-section:has(.hero-video-background:not(.d-none)) {
    background: none !important;
}

.hero-section:has(.hero-video-background:not(.d-none))::before {
    opacity: 0 !important;
}

/* Альтернативный способ для браузеров без поддержки :has() */
.hero-section .hero-video-background:not(.d-none) {
    background: none !important;
}

/* Скрываем фоновое изображение когда видео активно */
.hero-section .hero-video-background:not(.d-none) ~ .hero-section::before,
.hero-section .hero-video-background:not(.d-none) + .hero-section::before {
    opacity: 0 !important;
}

/* Принудительно скрываем фоновое изображение когда видео активно */
.hero-section .hero-video-background:not(.d-none) ~ *::before,
.hero-section .hero-video-background:not(.d-none) + *::before {
    opacity: 0 !important;
}

.hero-video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    filter: none;
    background: none;
    mix-blend-mode: normal;
}

/* Когда видео активно, оно должно быть поверх фонового изображения */
.hero-video-background:not(.d-none) {
    z-index: 0;
}

/* Видео должно отображаться без искажений */
.hero-video-background:not(.d-none) video {
    filter: none !important;
    background: none !important;
    mix-blend-mode: normal !important;
    opacity: 1 !important;
    transform: none !important;
}

/* Убираем любые возможные CSS-фильтры */
.hero-video-background video {
    filter: none !important;
    background: none !important;
    mix-blend-mode: normal !important;
    opacity: 1 !important;
    transform: none !important;
}

/* Дополнительно убираем любые возможные CSS-фильтры */
.hero-video-background:not(.d-none) video {
    filter: none !important;
    background: none !important;
    mix-blend-mode: normal !important;
    opacity: 1 !important;
    transform: none !important;
    color: inherit !important;
    hue-rotate: 0deg !important;
    saturate: 100% !important;
    brightness: 100% !important;
    contrast: 100% !important;
}



/* Адаптивность для видео */
@media (max-width: 768px) {
    .hero-video-background {
        display: none;
    }
}

/* Стили для кнопок управления в футере */
.btn-group .btn-outline-light {
    border-color: rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.btn-group .btn-outline-light:hover {
    border-color: rgba(255, 255, 255, 0.6);
    color: rgba(255, 255, 255, 1);
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-group .btn-outline-light.active {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.8);
    color: rgba(255, 255, 255, 1);
}

@media (max-width: 575.98px) {
    .project-card__cover {
        min-height: 150px;
        margin: 10px 10px 0;
    }

    .project-card__body {
        gap: 14px;
        padding: 16px 14px 14px;
    }

    .project-card__title {
        font-size: 1.15rem;
    }

    .project-card__description {
        min-height: auto;
    }

    .project-card__stats {
        gap: 8px;
    }

    .project-stat {
        padding: 9px 6px;
    }

    .project-stat__label {
        font-size: 0.68rem;
    }

    .project-card__footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .project-card__date {
        padding-left: 36px;
    }
}