@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap");

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

/* --- :root с переменными --- */
:root {
    --bg-color: #121212;
    --card-color: #1e1e1e;
    --border-color: #333;
    --border-color-hover: #5f5f5f;
    --text-color: #e0e0e0;
    --subtitle-color: #888;
    --accent-color: #ff2929;
    --accent-hover: #d41b1b;
    --accent-color-transparent: #ff0000a2;
    --shadow-color: rgba(0, 0, 0, 0.2);
    --active-bg: rgba(249, 22, 22, 0.1);
    --danger-color: #e74c3c;
    --plyr-color-main: var(--accent-color);
    --task-bank-bg: #f4f7fa;
    --task-bank-text: #333;
    --task-bank-card-bg: #fff;
    --task-bank-accent: #007bff;
    --task-bank-accent-light: #e6f2ff;
    --task-bank-card-accent: #3395ff;
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s ease-in-out;
}

*::-moz-selection {
    background: var(--accent-color-transparent);
}

*::selection {
    background: var(--accent-color-transparent);
}

::-webkit-scrollbar {
    width: 5px;
    border-radius: 10px;
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    width: 5px;
    background: var(--accent-color);
    border-radius: 10px;
}

/* --- Анимации --- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Основные стили --- */
body {
    font-family: "Inter", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;

    animation: fadeIn 0.3s ease-out;
}
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 10px 10px;

    position: fixed;
    left: 50%;
    top: 5px;
    transform: translate(-50%, 0);

    border: 0px solid var(--border-color);

    border-radius: 150px;

    display: flex;
    justify-content: center;
    align-items: center;

    width: 100%;
    max-width: 1200px;
    z-index: 100;

    transition: var(--transition-smooth);
}

.scrolled {
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-color-hover);
    padding: 10px 20px;
    top: 10px;
}
.header-content {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

main {
    padding: 100px 0 0 0;
    display: flex;

    flex-direction: column;
    gap: 30px;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
}
.main-nav .nav-link {
    color: var(--subtitle-color);

    font-weight: 500;

    text-decoration: none;
    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    transition: all var(--transition-fast);
}
.main-nav .nav-link:hover {
    color: var(--text-color);
}

.main-nav .nav-link::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translate(-50%);
    width: 70%;
    height: 2px;
    opacity: 0;
    background: var(--text-color);
    transition: all 0.3s ease;
}
.main-nav .nav-link:hover::after {
    width: 70%;
    height: 2px;
    opacity: 1;
    bottom: -5px;
}

.category-section {
    margin-bottom: 60px;
}
.category-title {
    font-size: 1.8rem;
    margin-bottom: 5px;
}
.category-description {
    color: var(--subtitle-color);
    margin-top: 0;
    margin-bottom: 25px;
    max-width: 600px;
}

/* --- Сетки и карточки --- */
/* ИЗМЕНЕНИЕ: Вертикальный отступ увеличен до 60px */
.card-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 60px 30px;
    align-items: stretch;
}
.card-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}
.card {
    background-color: var(--card-color);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-smooth);
    height: 100%;
    width: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 10px;
}
.card:hover {
    transform: scale(1.03);
    box-shadow: 0 12px 25px var(--shadow-color);
    border-color: var(--border-color-hover);
    border-radius: 15px;
}
.card .card-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    transition: transform var(--transition-smooth),
        color var(--transition-smooth);
}
.card:hover .card-icon {
    color: var(--accent-color);
}
.card .card-title {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-color);
}
.soon-card {
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    filter: grayscale(50%);
    transition: all var(--transition-smooth);
}
.soon-card:hover {
    opacity: 0.7;
    filter: grayscale(0);
}

/* --- Списки и аккордеоны --- */
.lesson-block-details,
.library-category-details {
    margin-bottom: 15px;
}
.lesson-block-summary,
.library-category-summary {
    display: flex;
    align-items: center;
    padding: 20px;
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    list-style: none;
}
.lesson-block-summary::-webkit-details-marker,
.library-category-summary::-webkit-details-marker {
    display: none;
}
.lesson-block-summary:hover,
.library-category-summary:hover {
    background-color: #2a2a2a;
}
.block-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--border-color);
    margin-right: 15px;
    font-weight: 500;
    flex-shrink: 0;
    transition: background-color var(--transition-smooth),
        transform var(--transition-smooth), color var(--transition-smooth);
}
details[open] > summary .block-number {
    background-color: var(--accent-color);
    color: white;
    transform: rotate(360deg);
}
.block-title {
    font-weight: 500;
    font-size: 1.1rem;
    flex-grow: 1;
}
.lesson-block-content,
.library-category-content {
    padding: 20px;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 12px 12px;
}
.lesson-group {
    margin-bottom: 15px;
}
.lesson-group h3 {
    margin-bottom: 10px;
}
.lesson-list {
    list-style: none;
    padding-left: 0;
}
.lesson-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-color);
    transition: background-color var(--transition-fast);
}
.lesson-list li a:hover {
    background-color: var(--active-bg);
}
.icon-arrow {
    width: 24px;
    height: 24px;
    transition: transform var(--transition-smooth);
    margin-left: auto;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    flex-shrink: 0;
}
details[open] > summary .icon-arrow {
    transform: rotate(180deg);
}

/* --- Секции библиотеки и статистики --- */
.library-stats,
.subject-stats-header {
    display: flex;
    gap: 20px;
    background-color: var(--card-color);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
}
.stat-item,
.stat-item-subject {
    flex-grow: 1;
    text-align: center;
}
.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
    display: block;
}
.stat-label {
    font-size: 0.9rem;
    color: var(--subtitle-color);
}
.library-main-category {
    margin-bottom: 40px;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}
.library-main-category h2 {
    margin-top: 0;
    font-size: 1.5rem;
}
.library-main-category .category-description {
    margin-bottom: 30px;
    font-size: 1rem;
}
.library-subject-summary .subject-icon {
    margin-right: 15px;
    font-size: 1.5rem;
}
.library-subject-details {
    margin-bottom: 10px;
}
.library-subject-summary {
    font-size: 1.2rem;
    font-weight: 700;
    padding: 20px;
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
}
.library-subject-summary:hover {
    background-color: #2a2a2a;
}
.library-subject-summary::-webkit-details-marker {
    display: none;
}
.library-subject-summary .subject-name {
    flex-grow: 1;
}
.library-subject-content {
    padding: 20px 0 0 20px;
}
.subject-total-files,
.category-file-count,
.file-size {
    margin-left: 15px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-color);
}
.subtitle-lessons {
    text-align: center;
    color: var(--subtitle-color);
    margin-top: -20px;
    margin-bottom: 30px;
}

/* --- Страница плеера --- */
.player-page-container {
    display: flex;
    justify-content: space-between;
    gap: 40px;
}
.player-main-content {
    width: 100%;
    min-width: 0;
}
.video-wrapper {
    position: relative;
    width: 100%;
    box-shadow: 0 10px 30px var(--shadow-color);
    border-radius: 12px;
    overflow: hidden;
}
.player-title {
    margin-bottom: 20px;
    font-size: 1.8rem;
    font-weight: 700;
}
.player-actions {
    margin-top: 20px;
}
.button-secondary {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    text-decoration: none;
    transition: background-color var(--transition-fast),
        transform var(--transition-fast);
    font-weight: 500;
}
.button-secondary:hover {
    background-color: #2a2a2a;
    transform: translateY(-2px);
}

/* --- Боковая навигация --- */
.side-navigator {
    width: 360px;
    flex-shrink: 0;
    height: calc(100vh - 100px);
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px var(--shadow-color);
    position: sticky;
    top: 20px;
}
.navigator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.nav-arrow-link {
    font-size: 2rem;
    color: var(--text-color);
    text-decoration: none;
    padding: 0 10px;
    border-radius: 6px;
    transition: background-color 0.2s;
}
.nav-arrow-link:not(.disabled):hover {
    background-color: #2a2a2a;
}
.nav-arrow-link.disabled {
    color: var(--subtitle-color);
    cursor: not-allowed;
}
.navigator-title {
    text-align: center;
}
.navigator-title span {
    font-size: 1.1rem;
    font-weight: 700;
    display: block;
}
.navigator-title small {
    font-size: 0.9rem;
    color: var(--subtitle-color);
}
.navigator-title.single-title {
    width: 100%;
}
.navigator-content {
    padding: 10px;
    overflow-y: auto;
    flex-grow: 1;
}
.navigator-content::-webkit-scrollbar {
    width: 6px;
}
.navigator-content::-webkit-scrollbar-track {
    background: transparent;
}
.navigator-content::-webkit-scrollbar-thumb {
    background-color: #444;
    border-radius: 10px;
}
.nav-block-group {
    margin-bottom: 5px;
}
.nav-block-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    margin: 0;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--subtitle-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.2s;
    list-style: none;
}
.nav-block-title::-webkit-details-marker {
    display: none;
}
.nav-block-title:hover {
    background-color: #2a2a2a;
}
.nav-block-group[open] > .nav-block-title {
    color: var(--text-color);
}
.nav-block-title .icon-arrow {
    width: 20px;
    height: 20px;
}
.nav-lesson-list {
    list-style: none;
    padding: 5px 10px 10px 10px;
    margin: 0;
}
.nav-lesson-list a {
    display: flex;
    padding: 12px 15px;
    text-decoration: none;
    color: var(--text-color);
    border-radius: 8px;
    transition: background-color var(--transition-fast),
        border-left-color var(--transition-smooth);
    border-left: 4px solid transparent;
}
.nav-lesson-list a:hover {
    background-color: #2a2a2a;
}
.nav-lesson-list li.active a {
    background-color: var(--active-bg);
    border-left-color: var(--accent-color);
}
.lesson-title-text {
    font-weight: 500;
}
.nav-lesson-list li.active .lesson-title-text {
    font-weight: 700;
    color: var(--accent-hover);
}

/* --- Банк Заданий --- */
.task-bank-container {
    display: flex;
    gap: 30px;
    background-color: var(--task-bank-bg);
    color: var(--task-bank-text);
    padding: 20px;
    border-radius: 12px;
}
.task-bank-sidebar {
    width: 250px;
    flex-shrink: 0;
}
.task-bank-sidebar h4 {
    margin: 0 0 15px 10px;
    font-size: 0.9rem;
    color: #666;
}
.task-bank-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.task-bank-sidebar a {
    display: block;
    padding: 12px 15px;
    text-decoration: none;
    color: var(--task-bank-text);
    font-weight: 500;
    border-radius: 8px;
    transition: background-color 0.2s, color 0.2s;
}
.task-bank-sidebar li.active a {
    background-color: var(--task-bank-accent-light);
    color: var(--task-bank-accent);
}
.task-bank-sidebar a:hover {
    background-color: #e9ecef;
}
.task-bank-main {
    flex-grow: 1;
}
.task-card-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}
.task-card {
    background-color: var(--task-bank-card-accent);
    color: white;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform var(--transition-smooth),
        box-shadow var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.1);
    overflow: hidden;
    position: relative;
}
.task-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.2);
}
.task-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 15px 0;
}
.task-card-info {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
}
.task-card-arrow a {
    color: white;
    font-size: 2rem;
    text-decoration: none;
    font-weight: bold;
    transition: transform var(--transition-fast);
}
.task-card:hover .task-card-arrow a {
    transform: translateX(5px);
}

/* --- Общие элементы страниц --- */
footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    color: var(--subtitle-color);
}
.page-header {
    text-align: center;
    margin-bottom: 40px;
}
.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}
.page-header .subtitle {
    font-size: 1.1rem;
    color: var(--subtitle-color);
}
.breadcrumbs {
    margin-bottom: 20px;
    color: var(--subtitle-color);
}
.breadcrumbs a {
    color: var(--accent-color);
}

/* --- Формы авторизации --- */
.auth-container {
    width: 50%;
    margin: 40px auto;
    padding: 30px;
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}
.auth-form {
    display: flex;
    flex-direction: column;
}
.auth-form h2 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 25px;
}
.form-group {
    margin-bottom: 20px;
}
.form-label {
    display: block;
    margin-bottom: 5px;
    color: var(--subtitle-color);
}
.form-control {
    width: 100%;
    padding: 10px 12px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 1rem;
    box-sizing: border-box;
    transition: border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}
.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px var(--active-bg);
}
.button-primary {
    width: 100%;
    padding: 12px;
    background-color: var(--accent-color);
    border: 1px solid var(--accent-hover);
    border-radius: 50px;
    color: white;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-smooth);
}
.button-primary:hover {
    background-color: var(--accent-color-transparent);
    border: 1px solid var(--accent-color);
    transform: scale(1.01);
}
.button-primary:active {
    transform: translateY(0);
}
.auth-switch {
    text-align: center;
    margin-top: 20px;
    color: var(--subtitle-color);
}
.auth-switch a {
    color: var(--accent-color);
    text-decoration: none;
}
.errors {
    color: #ff8a80;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* --- Оповещения (Flash) --- */
.flashes {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}
.flash-success,
.flash-danger {
    padding: 15px 25px;
    animation: fadeIn 0.5s ease-out;
    border-radius: 25px;
}
.flash-success {
    background-color: rgba(26, 188, 156, 0.1);
    border: 1px solid #1abc9c;
    color: #1abc9c;
}
.flash-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
}

/* --- Отслеживание прогресса --- */
.lessons-controls {
    margin-bottom: 20px;
    text-align: right;
}
.lesson-list li.watched a {
    text-decoration: line-through;
    color: var(--subtitle-color);
    opacity: 0.7;
}
.lessons-container.hide-watched .lesson-list li.watched,
.navigator-content.hide-watched .nav-lesson-list li.watched {
    display: none;
}

/* --- Стили профиля --- */
.profile-stats {
    display: flex;
    gap: 20px;
    background-color: var(--card-color);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
}

.profile-page-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}
.profile-page-grid .card-link {
    width: 300px;
    max-width: 100%;
}

.profile-section {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 30px;
}
.profile-section h2 {
    text-align: center;
}
.profile-section .auth-container {
    margin-top: 20px;
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 4px;
    transition: width 0.6s ease-in-out;
}
.progress-text {
    font-size: 0.9rem;
    color: var(--subtitle-color);
    margin-top: 5px;
    display: block;
}

.achievement-card {
    text-align: center;
    border-color: transparent;
    transition: all var(--transition-smooth);
    display: flex;
    flex-direction: column;
}
.achievement-card.locked {
    opacity: 0.6;
}
.achievement-card.unlocked {
    border-color: var(--accent-color);
    transform: scale(1.03);
}
.achievement-card .card-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}
.achievement-card .achievement-description {
    font-size: 0.9rem;
    color: var(--subtitle-color);
    margin-top: 5px;
    margin-bottom: 10px;
    flex-grow: 1;
}
.achievement-card .progress-bar-container,
.achievement-card .progress-text {
    margin-top: auto;
}
.progress-placeholder {
    height: 32px;
    margin-top: auto;
}
.achievement-card .progress-bar-container {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}
.achievement-card.unlocked .progress-bar {
    background-color: #28a745;
}

.profile-course-section {
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 40px;
}
.profile-course-section .course-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}
.profile-course-section .course-header h2 {
    margin-top: 0;
    font-size: 1.5rem;
}
.profile-course-section .course-stats {
    margin-bottom: 25px;
    text-align: center;
}
.profile-course-section .course-stats .progress-text {
    font-weight: 500;
}

/* --- Отзывы --- */
.review-form-section {
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
.review-card {
    background-color: var(--card-color);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}
.review-card.your-review {
    border-left: 4px solid var(--accent-color);
}
.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.review-header strong {
    font-size: 1.1rem;
}
.admin-response {
    background-color: rgba(255, 255, 255, 0.05);
    border-left: 3px solid var(--accent-hover);
    padding: 10px 15px;
    margin-top: 15px;
    border-radius: 4px;
}
.admin-response p {
    margin: 5px 0 0 0;
}
.review-status {
    font-size: 0.9rem;
    color: var(--subtitle-color);
    margin-top: 10px;
    display: block;
}
.rating-input {
    margin-top: 10px;
    list-style: none;
    padding: 0;

    display: flex;
    align-items: start;
    justify-content: center;
    flex-direction: column;
}
.rating-input-group {
    display: flex;
    align-items: start;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    list-style-type: none;
}
.rating-input input[type="radio"] {
    opacity: 0;
    position: fixed;
    width: 0;
}
.rating-input label {
    display: inline-block;
    padding: 10px 15px;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.rating-input label:hover {
    transform: translateY(-2px);
    background-color: #2a2a2a;
    border-color: var(--subtitle-color);
}
.rating-input input[type="radio"]:checked + label {
    transform: scale(1.05);
    background-color: var(--accent-color-transparent);
    border-color: var(--accent-color);
    color: white;
}

/* --- Админ-панель --- */
.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}
.admin-header h1 {
    text-align: center;
}
.admin-nav {
    background-color: var(--card-color);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}
.stat-card {
    background-color: var(--card-color);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
}
.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}
.stat-card-label {
    color: var(--subtitle-color);
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
.admin-table th,
.admin-table td {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    text-align: left;
}
.admin-table thead th {
    background-color: #2a2a2a;
}
.admin-table tbody tr {
    transition: background-color var(--transition-fast);
}
.admin-table tbody tr:hover {
    background-color: #2a2a2a;
}
.admin-table tbody tr:nth-child(even) {
    background-color: var(--card-color);
}
.admin-table a {
    color: var(--accent-color);
}
.button-danger {
    background-color: var(--danger-color);
}