/* Сброс стилей по умолчанию для body и html */
html, body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    transition: background-color 0.3s, color 0.3s, font-size 0.3s, line-height 0.3s;
}

/* Базовые цветовые схемы */
.my-theme {
    --bg-color: #f8f9fa;
    --text-color: #212529;
    --title-color: #1a1a1a;
    --header-bg: #ffffff;
    --link-color: #007bff;
    --link-hover: #0056b3;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --btn-bg: #007bff;
    --btn-hover: #0056b3;
    --muted-color: #4e555a;
    --light-bg: #f8f9fa;
    --light-border: #e9ecef;
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --hoverColor: #f1f3f5;
    --hover-shadow: rgba(0, 0, 0, 0.1);
    --text-on-photo: #ffffff;
}

.my-theme.dark-white {
    --bg-color: #000000;
    --text-color: #ffffff;
    --title-color: #ffffff;
    --header-bg: #1a1a1a;
    --link-color: #4dafff;
    --link-hover: #008cff;
    --border-color: #444444;
    --card-bg: #121212;
    --btn-bg: #4dafff;
    --btn-hover: #008cff;
    --muted-color: #d8d8d8;
    --light-bg: #1a1a1a;
    --light-border: #333333;
    --primary-color: #949494;
    --secondary-color: #999999;
    --hoverColor: #616161;
    --hover-shadow: rgba(255, 255, 255, 0.1);
    --text-on-photo: #ffffff;
}

.my-theme.dark-green {
    --bg-color: #000000;
    --text-color: #00ff00;
    --title-color: #00ff00;
    --header-bg: #001a00;
    --link-color: #4dff4d;
    --link-hover: #00cc00;
    --border-color: #004d00;
    --card-bg: #000a00;
    --btn-bg: #4dff4d;
    --btn-hover: #00cc00;
    --muted-color: #358835;
    --light-bg: #001400;
    --light-border: #006600;
    --primary-color: #4dff4d;
    --secondary-color: #33aa33;
    --hoverColor: #2c472b;
    --hover-shadow: rgba(0, 255, 0, 0.1);
    --text-on-photo: #7ff86f;
}

.my-theme.white-black {
    --bg-color: #ffffff;
    --text-color: #000000;
    --title-color: #000000;
    --header-bg: #f8f9fa;
    --link-color: #0000ff;
    --link-hover: #0000aa;
    --border-color: #000000;
    --card-bg: #ffffff;
    --btn-bg: #000000;
    --btn-hover: #333333;
    --muted-color: #555555;
    --light-bg: #eeeeee;
    --light-border: #cccccc;
    --primary-color: #000000;
    --secondary-color: #777777;
    --hoverColor: #dddddd;
    --hover-shadow: rgba(0, 0, 0, 0.1);
    --text-on-photo: #ffffff;
}

.my-theme.beige-brown {
    --bg-color: #f5f5dc;
    --text-color: #654321;
    --title-color: #412107;
    --header-bg: #e8e8d3;
    --link-color: #8b4513;
    --link-hover: #a0522d;
    --border-color: #d2b48c;
    --card-bg: #f0f0c5;
    --btn-bg: #8b4513;
    --btn-hover: #a0522d;
    --muted-color: #b66f36;
    --light-bg: #f2f2d9;
    --light-border: #c8b08c;
    --primary-color: #8b4513;
    --secondary-color: #a0522d;
    --hoverColor: #f1e1b4;
    --hover-shadow: rgba(101, 67, 33, 0.1);
    --text-on-photo: #ffd4ba;
}

.my-theme.blue-navy {
    --bg-color: #add8e6;
    --text-color: #000080;
    --title-color: #0e0d63;
    --header-bg: #b0c4de;
    --link-color: #0000cd;
    --link-hover: #0000aa;
    --border-color: #87ceeb;
    --card-bg: #c0d6e4;
    --btn-bg: #0000cd;
    --btn-hover: #0000aa;
    --muted-color: #5861e0;
    --light-bg: #cce6ff;
    --light-border: #99ccff;
    --primary-color: #000080;
    --secondary-color: #4682b4;
    --hoverColor: #a8c3d3;
    --hover-shadow: rgba(0, 0, 128, 0.1);
    --text-on-photo: #adccfa;
}

.my-theme.high-contrast {
    /* high-contrast scheme */
    --bg-color: #000000;
    --text-color: #ffffff;
    --text-danger: #ff0000;
    --title-color: #ffffff;
    --header-bg: #000000;
    --link-color: #ffff00;
    --link-hover: #ffff66;
    --border-color: #ffffff;
    --card-bg: #333333;
    --btn-bg: #ffff00;
    --btn-hover: #ffff66;
    --muted-color: #ffffff;
    --light-bg: #161616;
    --light-border: #757575;
    --primary-color: #ffff00;
    --secondary-color: #cccccc;
    --hoverColor: #707070;
    --hover-shadow: rgba(255, 255, 0, 0.3);
    --text-on-photo: #ffffff;
}

/* Применение цветовых схем */
body.my-theme {
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

/* Стили для header */
body.my-theme header,
body.my-theme .navbar {
    background-color: var(--header-bg) !important;
    border-color: var(--border-color) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

body.my-theme header a.navbar-brand,
body.my-theme .navbar a.nav-link {
    color: var(--text-color);
    transition: color 0.3s ease;
}

body.my-theme header a.navbar-brand:hover,
body.my-theme .navbar a.nav-link:hover {
    color: var(--link-hover);
    transform: translateY(-1px);
}

/* Стили для footer */
body.my-theme footer {
    background-color: var(--header-bg);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

body.my-theme footer a {
    color: var(--link-color);
    transition: color 0.3s ease;
}

body.my-theme footer a:hover {
    color: var(--link-hover);
    transform: translateY(-1px);
}

/* Увеличение размера шрифта */
body.font-large {
    font-size: 1.3rem;
    line-height: 1.8;
}

body.font-small {
    font-size: 0.8rem;
    line-height: 1.4;
}

/* Увеличение интервалов текста */
body.text-spaced {
    line-height: 1.9;
    letter-spacing: 0.05em;
    word-spacing: 0.1em;
}

/* removing images */
body.no-images img,
body.no-images .carousel-item img,
body.no-images .card-feature__media {
    display: none !important;
}

/* hight contrast */
body.my-theme {
    background-color: var(--bg-color);
    color: var(--text-color);
}

body.high-contrast .btn-primary {
    color: #000000 !important;
    border: 2px solid #ffff00;
}

body.high-contrast .card {
    border: 1px solid #ffff00 !important;
}

body.high-contrast button,
body.high-contrast input,
body.high-contrast select,
body.high-contrast textarea {
    border: 2px solid #ffff00 !important;
    outline: none;
}

body.high-contrast button:focus,
body.high-contrast input:focus {
    outline: 3px solid #ff0000 !important;
    outline-offset: 2px;
}

body.high-contrast .text-danger {
    color: var(--text-danger) !important;
}

/* Индикатор фокуса */
body.focus-indicator button:focus,
body.focus-indicator a:focus,
body.focus-indicator input:focus,
body.focus-indicator textarea:focus,
body.focus-indicator select:focus {
    outline: 4px solid #ff0000 !important;
    outline-offset: 2px;
    border-radius: 6px;
    box-shadow: 0 0 0 4px rgba(255,0,0,0.3);
}

/* Кнопки доступности */
#load-preferences-btn,
#reset-preferences-btn {
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

#load-preferences-btn:hover,
#reset-preferences-btn:hover {
    background-color: var(--header-bg);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* for Modal */
.modal-content {
    transition: all 0.3s;
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--bg-color);
}

.modal-content .form-check-input {
    border-color: var(--border-color);
}

.modal-content .form-check-input:checked {
    background-color: var(--primary-color);
}

.modal-header,
.modal-footer {
    border-color: var(--border-color);
    background-color: var(--header-bg);
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-outline-secondary:hover {
    background-color: var(--header-bg);
    border-color: var(--border-color);
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

/* carousel adaptation */
.carousel-item img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* a styles */
a {
    color: var(--link-color);
    text-decoration: underline;
    transition: color 0.3s ease, transform 0.3s ease;
}

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

/* btns */
.btn {
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
    border: none;
}

.btn-primary {
    background-color: var(--btn-bg);
    border-color: var(--btn-bg);
}

.btn-primary:hover {
    background-color: var(--btn-hover);
    border-color: var(--btn-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

.btn-outline-secondary {
    color: var(--text-color);
    border-color: var(--border-color);
    transition: all 0.3s ease;
}

.btn-outline-secondary:hover {
    background-color: var(--header-bg);
    border-color: var(--border-color);
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

/* forms */
.form-control {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-color: var(--border-color);
    transition: all 0.3s ease;
    border-radius: 8px;
}

.form-control:focus {
    border-color: var(--link-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    transform: translateY(-1px);
}

/* tables */
body.my-theme .table thead th {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
    box-shadow: var(--card-shadow) !important;
    color: var(--text-color) !important;
}

body.my-theme .table tbody td {
    background-color: var(--card-bg) !important;
    border-color: var(--border-color) !important;
    box-shadow: var(--card-shadow) !important;
    color: var(--text-color) !important;
}

body.my-theme .table tbody td:hover {
    background-color: var(--hoverColor) !important;
}


body.high-contrast .table-responsive {
    border: 2px solid #ffff00;
}

/* ul, ol, li */
ul, ol {
    margin: 0.5em 0;
    padding-left: 1.5em;
}

li {
    margin: 0.3em 0;
    transition: all 0.3s ease;
}

li:hover {
    transform: translateY(-1px);
}

/* sections */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-color);
    margin-top: 1em;
    margin-bottom: 0.5em;
    transition: color 0.3s ease;
}

/* containers */
.container, .container-fluid, .container-xxl {
    max-width: 1200px;
    transition: all 0.3s ease;
}

/* cards */
.card {
    background-color: var(--card-bg);
    border: none;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

/* for mobiles */
@media (max-width: 768px) {
    body.font-large {
        font-size: 1.2rem;
        line-height: 1.7;
    }
    
    body.text-spaced {
        line-height: 1.7;
    }
    
    .modal-dialog {
        margin: 1rem;
    }
    
    .card-feature__media {
        height: 180px;
    }
}

/* no scroll */
.container, .container-fluid, .container-xxl, .row, .col {
    overflow-x: hidden;
}

main {
    min-height: 50vh;
}

/* alt images */
img[alt] {
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

/* Фиксация header при прокрутке */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

/* Увеличение размера кликабельных элементов */
a, button, textarea, select {
    min-height: 48px;
    min-width: 48px;
}

/* Улучшение читаемости */
p, li, td, th {
    line-height: 1.7;
    transition: line-height 0.3s ease;
}

/* custom scrollbar under the tables */
::-webkit-scrollbar {
    width: 14px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 10px;
    border: 3px solid var(--bg-color);
}

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

/* Скрытие элементов при отключении изображений */
.no-images .carousel,
.no-images .img-fluid,
.no-images figure,
.no-images .card-img-top {
    display: none !important;
}

/* Увеличение контраста для важных элементов */
.btn-primary {
    background-color: var(--link-color);
    border-color: var(--link-color);
    color: #ffffff !important;
}

.btn-primary:hover {
    background-color: var(--link-hover);
    border-color: var(--link-hover);
    color: #ffffff !important;
}

/* Улучшенная контрастность для скруглённых блоков */
.high-contrast .bg-light {
    background-color: #333333 !important;
    border: 2px solid #ffffff !important;
}

.high-contrast .rounded-3,
.high-contrast .rounded-4 {
    border: 2px solid #ffffff !important;
}

/* Фикс для модальных окон */
.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(3px);
    pointer-events: auto;
}

.modal.fade .modal-dialog {
    transition: transform 0.3s ease-out;
}

.modal.show .modal-dialog {
    transform: none;
    transition: transform 0.3s ease-out;
}

/* Увеличение размера текста в формах */
.form-label,
.form-check-label {
    font-size: inherit;
    font-weight: 500;
}

/* for search-input */
.search-input {
    min-height: 48px;
    border-radius: 8px;
}

/* hiding borders for hight contrast */
.high-contrast .btn {
    border: 3px solid #ffffff !important;
}

/* scaling icons */
.fa, .fas, .far, .fab {
    font-size: 1.3em;
    transition: transform 0.3s ease;
}

.fa:hover, .fas:hover, .far:hover, .fab:hover {
    transform: scale(1.1);
}

/* reset buttons */
#reset-preferences-btn {
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

#reset-preferences-btn:hover {
    background-color: var(--header-bg);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* === Переопределение Bootstrap-classes for themes === */

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

body.my-theme .text-muted {
    color: var(--muted-color) !important;
}

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

body.my-theme .text-secondary,
body.my-theme .text-body {
    color: var(--text-color) !important;
}

/* improve hover-shades for cards */
body.my-theme .hover-shadow:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px var(--hover-shadow) !important;
}

/* Плавность анимации */
body.my-theme .transition-300 {
    transition: all 0.3s ease;
}

/* === sections === */
.card .card-title,
.card .h1, .card .h2, .card .h3, .card .h4, .card .h5, .card .h6 {
    color: var(--text-color);
    transition: color 0.3s ease;
}

/* Опционально: если используется text-primary внутри карточки */
.card .card-title.text-primary {
    color: var(--primary-color) !important;
}

/* for lead */
body.my-theme .lead {
    color: var(--muted-color) !important;
}

/* for lead photo */
body.my-theme .lead-photo {
    color: var(--text-on-photo) !important;
}

/* for badges end etc. */
body.my-theme .bg-primary {
    background-color: var(--primary-color) !important;
    color: #ffffff !important;
    font-weight: 500;
    padding: 0.5em 0.8em;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* list-group items */
body.my-theme .list-group-item {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--border-color);
    transition: all 0.3s ease;
}

body.my-theme .list-group-item:hover {
    background-color: var(--light-bg);
    border-color: var(--link-color);
}

body.my-theme .list-group-item.active {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: #ffffff !important;
}

/* for list-unstyled */
body.my-theme .list-unstyled > li {
    color: var(--text-color);
}

body.my-theme .text-dark {
    color: var(--text-color) !important;
}

body.my-theme .form-label {
    color: var(--text-color) !important;
}

body.my-theme .accordion-button, .accordion-item {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
}

/* for auth forms */
body.my-theme .form-auth {
    background-color: var(--card-bg) !important;
}

/* === Переопределение secondary цветов под темы === */

body.my-theme .text-secondary,
body.my-theme .text-muted {
    color: var(--secondary-color) !important;
}

body.my-theme .bg-secondary {
    background-color: var(--secondary-color) !important;
    color: #ffffff !important; /* или #000000, если фон светлый */
    border-radius: 6px;
    padding: 0.5em 0.8em;
}

.btn-secondary {
    background-color: var(--secondary-color) !important;
    border-color: var(--secondary-color) !important;
    color: #ffffff !important;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--secondary-color);
    opacity: 0.85;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* для outline-версий */
.btn-outline-secondary {
    color: var(--secondary-color) !important;
    border-color: var(--secondary-color) !important;
}

.btn-outline-secondary:hover {
    background-color: var(--secondary-color) !important;
    color: #ffffff !important;
}

/* list-group, badges, cards */
.list-group-item.secondary-highlight {
    border-left: 4px solid var(--secondary-color);
}

.badge.bg-secondary {
    background-color: var(--secondary-color) !important;
    color: #ffffff !important;
}

/* for navbar-toogler */
#navbar-toggler-icon {
    color: var(--secondary-color);
    transition: color 0.3s ease;
}

#navbar-toggler-button{
    border: 2px solid var(--secondary-color) !important;
    border-radius: 10px;
}