/* === Общие стили === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    background-color: #f0f0f0;
    color: #333;
    min-height: 100vh;
}

/* === Контейнеры === */
#wrapper {
    max-width: 960px;
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 0 10px;
    position: relative;
    z-index: 1;
}

.register-container {
    width: 100%;
    max-width: 400px;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin: 60px auto;
    text-align: center;
}

/* === Стили для страницы 404 === */
.error-container {
    text-align: center;
    padding: 40px 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    margin: 20px 0;
}

.error-image {
    margin: 30px 0;
}

.error-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.back-link {
    margin-top: 20px;
}

.back-link a {
    color: #007bff;
    text-decoration: none;
    font-weight: bold;
    padding: 10px 20px;
    border: 1px solid #007bff;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.back-link a:hover {
    background-color: #007bff;
    color: white;
}

p {
    text-indent: 40px;
}

/* === Шапка и навигация === */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo img {
    display: block;
}

.logo h1 {
    color: #333;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 15px;
}

nav a {
    text-decoration: none;
    color: #333;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #e0f0ff;
    color: #007bff;
}

/* === Основная часть === */
main {
    display: flex;
    gap: 20px;
}

article, aside {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
}

article {
    flex: 3;
}

aside {
    flex: 1;
}

/* === Поиск === */
.search-container {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.search-container form {
    display: flex;
    gap: 5px;
}

.search-container input {
    padding: 8px 12px;
    border-radius: 4px;
    border: 1px solid #ccc;
    width: 200px;
}

.search-container button {
    padding: 8px 12px;
    border: none;
    background-color: #000;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s
}

.search-container button:hover {
    background-color: rgba(0, 0, 0, 0.6);
    color: #4CAF50;
}

/* === Аккордеон === */
.accordion-list {
    margin: 20px 0;
}

.accordion {
    background: #fff;
    padding: 12px 16px;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    margin-bottom: 4px;
    border: 1px solid #ddd;
    transition: background-color 0.3s;
}

.accordion:hover {
    background-color: #f5f5f5;

}

.accordion::after {
    content: '+';
    float: right;
    font-weight: bold;
}

.accordion.active::after {
    content: '-';
}

.content {
    overflow: hidden;
    max-height: 0;
    padding: 0 16px;
    transition: max-height .3s ease, padding .3s ease;
    border-left: 2px solid #eee;
    background: #fafafa;
}

/* === Тёмная тема === */
body.dark-theme {
    background-color: #1a1a1a;
    color: #fff;
    background-image: url('../images/background.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

body.dark-theme::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 0;
}

body.dark-theme #wrapper {
    position: relative;
    z-index: 1;
}

body.dark-theme header,
body.dark-theme article,
body.dark-theme aside,
body.dark-theme .register-container,
body.dark-theme .accordion-list,
body.dark-theme .error-container {
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    backdrop-filter: blur(5px);
}

body.dark-theme nav a {
    color: #fff;
}

body.dark-theme nav a:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #4CAF50;
}

body.dark-theme .accordion {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-theme .accordion:hover {
    background: rgba(255, 255, 255, 0.2);
}

body.dark-theme .content {
    background: rgba(255, 255, 255, 0.05);
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

/* Стили для кнопки "Назад" в темной теме */
body.dark-theme .back-link a {
    color: #4CAF50;
    border: 1px solid #4CAF50;
}

body.dark-theme .back-link a:hover {
    background-color: #4CAF50;
    color: white;
}

/* === Текстовая рамка (используется в article) === */
.text-frame {
    border: 2px solid #007bff;
    background: #f8f9fa;
    padding: 25px;
    margin: 20px 0;
    border-radius: 8px;
}

body.dark-theme .text-frame {
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

/* === Стили для профиля === */
.profile-container {
    padding: 20px;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.user-avatar img {
    border-radius: 50%;
    object-fit: cover;
}

.user-info h2 {
    margin-bottom: 10px;
    color: #333;
}

/* === Стили для кнопок профиля (аналогичные навигации) === */
.edit-profile-btn,
.new-article-button {
    text-decoration: none;
    color: #333;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.3s;
    display: inline-block;
    font-weight: normal;
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}

.edit-profile-btn:hover,
.new-article-button:hover {
    background-color: #e0f0ff;
    color: #007bff;
}

.about-me-section {
    margin-bottom: 30px;
}

.about-me-section h3 {
    margin-bottom: 15px;
    color: #333;
}

.about-me-content {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #007bff;
}

.empty-state {
    color: #6c757d;
    font-style: italic;
}

.articles-section {
    padding: 20px;
}

.articles-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.articles-header h3 {
    color: #333;
    margin: 0;
}

.flash-messages {
    margin-bottom: 20px;
}

.flash-message {
    padding: 10px 15px;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
    color: #155724;
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.article-item {
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.article-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.article-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-card {
    padding: 20px;
}

.article-title {
    display: block;
    font-size: 1.2em;
    margin-bottom: 10px;
    color: #333;
}

.article-preview {
    color: #666;
    line-height: 1.5;
    margin: 0;
}

.empty-articles {
    text-align: center;
    padding: 40px 20px;
    color: #6c757d;
}

/* === Темная тема для профиля === */
body.dark-theme .user-info h2,
body.dark-theme .about-me-section h3,
body.dark-theme .articles-header h3,
body.dark-theme .article-title {
    color: #fff;
}

body.dark-theme .profile-header,
body.dark-theme .articles-header {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

body.dark-theme .about-me-content {
    background: rgba(255, 255, 255, 0.05);
    border-left-color: #4CAF50;
}

body.dark-theme .empty-state {
    color: rgba(255, 255, 255, 0.6);
}

body.dark-theme .article-item {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

body.dark-theme .article-preview {
    color: rgba(255, 255, 255, 0.8);
}

body.dark-theme .empty-articles {
    color: rgba(255, 255, 255, 0.6);
}

body.dark-theme .flash-message {
    background-color: rgba(40, 167, 69, 0.2);
    border-color: rgba(40, 167, 69, 0.3);
    color: #d4edda;
}

/* === Темная тема для кнопок профиля === */
body.dark-theme .edit-profile-btn,
body.dark-theme .new-article-button {
    color: #fff;
}

body.dark-theme .edit-profile-btn:hover,
body.dark-theme .new-article-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #4CAF50;
}

/* === Стили для форм === */
.form-container,
.edit-profile-form,
.article-form {
    padding: 20px;
}

.form-section {
    margin-bottom: 25px;
}

.form-section h3 {
    margin-bottom: 10px;
    color: #333;
    font-size: 1.1em;
}

.form-input,
.form-textarea,
.form-file {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
}

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

.form-file {
    background: #f8f9fa;
    padding: 8px 12px;
}

.form-actions {
    margin-top: 30px;
    text-align: center;
}

.submit-button {
    text-decoration: none;
    color: #333;
    padding: 8px 20px;
    border-radius: 4px;
    transition: background-color 0.3s;
    display: inline-block;
    font-weight: normal;
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 16px;
    border: 1px solid #ddd;
}

.submit-button:hover {
    background-color: #e0f0ff;
    color: #007bff;
}

/* === Темная тема для форм === */
body.dark-theme .form-section h3 {
    color: #fff;
}

body.dark-theme .form-input,
body.dark-theme .form-textarea,
body.dark-theme .form-file {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

body.dark-theme .form-input:focus,
body.dark-theme .form-textarea:focus {
    border-color: #4CAF50;
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

body.dark-theme .form-file {
    background: rgba(255, 255, 255, 0.05);
}

body.dark-theme .submit-button {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

body.dark-theme .submit-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
    color: #4CAF50;
}

/* Адаптивность */
@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .articles-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .article-card {
        padding: 15px;
    }

    .form-container,
    .edit-profile-form,
    .article-form {
        padding: 15px;
    }

    .form-input,
    .form-textarea {
        font-size: 16px; /* Улучшает UX на мобильных */
    }

    main {
        flex-direction: column;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* === Стили для секций контента === */
.content-section {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    margin: 20px 0;
}

body.dark-theme .content-section {
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    backdrop-filter: blur(5px);
}

/* === Контейнер для действий со статьями === */
.articles-actions {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

body.dark-theme .articles-actions {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}


.password-reset-form {
    max-width: 500px;
    margin: 0 auto;
}

.password-reset-form .form-section {
    text-align: left;
}

/* === Стили для форм аутентификации === */
.form-card {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 420px;
}

.form-title {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 1.8em;
    font-weight: 600;
}

.auth-form {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f8f9fa;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: #007bff;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 14px 20px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.submit-btn:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.form-links {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
}

.form-links p {
    margin: 12px 0;
    text-indent: 0;
    color: #6c757d;
}

.link {
    color: #007bff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.link:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* === Темная тема для форм аутентификации === */
body.dark-theme .form-card {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

body.dark-theme .form-title {
    color: #fff;
}

body.dark-theme .form-label {
    color: #fff;
}

body.dark-theme .form-input {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

body.dark-theme .form-input:focus {
    border-color: #4CAF50;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

body.dark-theme .submit-btn {
    background: #4CAF50;
}

body.dark-theme .submit-btn:hover {
    background: #45a049;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

body.dark-theme .form-links {
    border-top-color: rgba(255, 255, 255, 0.2);
}

body.dark-theme .form-links p {
    color: rgba(255, 255, 255, 0.7);
}

body.dark-theme .link {
    color: #4CAF50;
}

body.dark-theme .link:hover {
    color: #45a049;
}

/* Адаптивность для форм */
@media (max-width: 480px) {
    .form-card {
        padding: 30px 20px;
        margin: 20px;
    }

    .register-container {
        padding: 0 10px;
    }
}