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

:root {
    --primary-color: #1976d2;
    --secondary-color: #424242;
    --success-color: #4caf50;
    --danger-color: #f44336;
    --warning-color: #ff9800;
    --info-color: #2196f3;
    --light-bg: #f5f5f5;
    --border-color: #e0e0e0;
    --text-color: #333;
    --text-light: #666;
}

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

/* Навигационная панель */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1565c0 100%);
    color: white;
    padding: 10px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    height: 60px;
    overflow: visible;
    position: relative;
    z-index: 100;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.navbar-brand {
    position: relative;
}

.navbar-logo {
    height: 200px;
    width: auto;
    min-width: 1px;
    display: block;
    margin-left: -85px;
}

.navbar-brand h1 {
    font-size: 22px;
    margin-bottom: 2px;
}

.navbar-brand p {
    font-size: 12px;
    opacity: 0.9;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    white-space: nowrap;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.navbar-menu {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
}

.navbar-menu a {
    color: white;
    text-decoration: none;
    font-size: 13px;
    transition: opacity 0.3s;
}

.navbar-menu a:hover {
    opacity: 0.8;
}

.navbar-menu .user-info {
    font-weight: bold;
    background: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
    margin-bottom: 0 !important;
    border-left: none !important;
    display: block;
    color: white;
}

.btn-logout {
    background-color: var(--danger-color);
    padding: 8px 16px;
    border-radius: 4px;
    display: inline-block;
    transition: background-color 0.3s;
}

.btn-logout:hover {
    background-color: #d32f2f;
    opacity: 1;
}

/* Контейнер */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: calc(100vh - 200px);
}

/* Кнопки */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #1565c0;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #212121;
}

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

.btn-success:hover {
    background-color: #45a049;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #d32f2f;
}

.btn-small {
    padding: 5px 10px;
    font-size: 11px;
    margin: 0 3px;
}

.btn-small.btn-danger {
    color: white;
}

/* Формы */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(25, 118, 210, 0.2);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.form-group.checkbox input {
    width: auto;
    margin-right: 10px;
    margin-bottom: 0;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

/* Уведомления */
.alert {
    padding: 15px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideDown 0.3s ease;
}

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

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.close-alert {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 20px;
    color: inherit;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.close-alert:hover {
    opacity: 1;
}

/* Картины для статистики */
.stat-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

.stat-card h3 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-card p {
    color: var(--text-light);
    font-size: 14px;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

/* Сетка */
.dashboard-stats,
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.tests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.test-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.test-card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    transform: translateY(-3px);
}

.test-card h4 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.test-description {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 15px;
    min-height: 30px;
}

.test-info {
    display: flex;
    gap: 15px;
    margin: 15px 0;
    font-size: 13px;
}

.test-questions {
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 15px;
}

/* Таблицы */
table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    table-layout: auto;
}

.detailed-analytics table {
    font-size: 13px;
    table-layout: fixed;
}

thead {
    background-color: var(--primary-color);
    color: white;
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    word-break: break-word;
    white-space: normal;
}

th:last-child {
    min-width: 200px;
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    word-break: break-word;
    white-space: normal;
}

.detailed-analytics th,
.detailed-analytics td {
    padding: 10px 8px;
}

tbody tr:hover {
    background-color: var(--light-bg);
}

.tests-manager,
.users-manager,
.results-table {
    margin-bottom: 30px;
    overflow-x: auto;
    min-width: 100%;
}

/* Бейджи */
.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background-color: #d4edda;
    color: #155724;
}

.badge-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.badge-warning {
    background-color: #fff3cd;
    color: #856404;
}

.badge-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Аутентификация */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.auth-form {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.auth-form h2 {
    margin-bottom: 30px;
    color: var(--primary-color);
    text-align: center;
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Админ панель */
.admin-dashboard h2 {
    margin-bottom: 30px;
    color: var(--primary-color);
}

.admin-dashboard h3 {
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.admin-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.admin-actions .btn {
    flex: 1;
    max-width: 300px;
    text-align: center;
}

/* Тестирование */
.test-container {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.participant-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
}

.participant-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.test-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.test-info-bar {
    display: flex;
    gap: 30px;
    align-items: center;
}

.timer {
    font-size: 24px;
    font-weight: bold;
    color: var(--danger-color);
    min-width: 100px;
}

.questions-container {
    margin-bottom: 30px;
}

.question-card {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.question-header h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.question-text {
    font-size: 16px;
    margin-bottom: 20px;
    font-weight: 500;
}

.question-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.option:hover {
    border-color: var(--primary-color);
    background-color: rgba(25, 118, 210, 0.05);
}

.option input[type="radio"] {
    margin: 0;
    cursor: pointer;
    width: auto;
}

.option label {
    margin: 0;
    cursor: pointer;
    flex: 1;
}

.question-textarea {
    width: 100% !important;
    padding: 12px !important;
    border: 2px solid var(--border-color) !important;
    border-radius: 4px !important;
    font-family: inherit !important;
    resize: vertical;
}

.answer-hint {
    background-color: #e3f2fd;
    border-left: 4px solid var(--info-color);
    padding: 12px 15px;
    border-radius: 4px;
    margin-bottom: 15px;
    font-size: 14px;
}

.answer-hint p {
    margin: 0;
    color: var(--secondary-color);
}

.question-scale {
    display: flex;
    gap: 15px;
    justify-content: space-around;
    padding: 20px;
}

.scale-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
    flex: 1;
    transition: all 0.3s;
}

.scale-option:hover {
    border-color: var(--primary-color);
    background-color: rgba(25, 118, 210, 0.05);
}

.scale-option input[type="radio"] {
    width: auto;
    margin: 0;
}

.test-navigation {
    display: flex;
    gap: 15px;
    justify-content: center;
    padding: 20px 0;
}

/* Результаты */
.result-container {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.result-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.result-header h2 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.result-date {
    color: var(--text-light);
    font-size: 14px;
}

.result-score {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 30px;
    margin-bottom: 40px;
    align-items: center;
}

.score-card {
    text-align: center;
}

.score-value {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    color: white;
    font-size: 48px;
    font-weight: bold;
    margin: 0 auto;
}

.result-details p {
    margin-bottom: 15px;
    font-size: 15px;
}

.answers-review {
    margin-bottom: 40px;
}

.answers-review h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.answer-card {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid var(--border-color);
}

.answer-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.answer-header h4 {
    color: var(--text-color);
}

.points {
    background: var(--primary-color);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
}

.answer-options {
    margin: 15px 0;
}

.answer-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 10px;
}

.answer-option.selected {
    border-color: var(--primary-color);
}

.answer-option.correct {
    border-color: var(--success-color);
}

.correct-indicator {
    color: var(--success-color);
    font-weight: bold;
    margin-left: auto;
}

.answer-feedback {
    padding: 12px;
    border-radius: 4px;
    background: white;
    margin-top: 10px;
}

.answer-open {
    background: white;
    padding: 15px;
    border-radius: 4px;
    margin: 15px 0;
}

.answer-text {
    color: var(--text-light);
    font-style: italic;
    line-height: 1.6;
}

.answer-scale {
    background: white;
    padding: 15px;
    border-radius: 4px;
    margin: 15px 0;
}

.scale-value {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 18px;
}

.result-actions {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

/* Аналитика */
.analytics-container h2 {
    margin-bottom: 30px;
    color: var(--primary-color);
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.analytics-card {
    background: white;
    padding: 30px 30px 25px 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
    overflow: hidden;
}

.analytics-filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    max-width: 520px;
    margin-bottom: 10px;
}

.analytics-filters .form-group {
    margin-bottom: 10px;
    flex: 1 1 200px;
}

.analytics-filters .filter-actions {
    flex: 0 0 auto;
    align-self: flex-end;
}

.analytics-filters .filter-actions .btn {
    padding: 8px 14px;
    height: 36px;
}

.analytics-filters .filter-actions {
    display: flex;
    gap: 8px;
}

.analytics-filters input[type="date"] {
    padding: 8px 10px;
    font-size: 13px;
    height: 36px;
}

.analytics-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 16px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 14px;
}

.stat-label {
    color: var(--text-light);
}

.stat-value {
    font-weight: bold;
    color: var(--primary-color);
}

.progress-bar {
    width: calc(100% - 20px);
    height: 12px;
    background-color: var(--light-bg);
    border-radius: 10px;
    overflow: hidden;
    margin: 15px 10px 10px 10px;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s;
    border-radius: 10px;
}

.detailed-analytics {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow-x: auto;
}

.detailed-analytics h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.progress-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
}

.progress-bar-small {
    flex: 1;
    height: 8px;
    background-color: var(--light-bg);
    border-radius: 10px;
    overflow: hidden;
}

.no-data {
    text-align: center;
    color: var(--text-light);
    padding: 40px 20px;
    background: var(--light-bg);
    border-radius: 8px;
}

.back-link {
    margin-top: 30px;
    text-align: center;
}

/* Стили для линков */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #1565c0;
    text-decoration: underline;
}

a.link-danger {
    color: var(--danger-color);
}

a.link-danger:hover {
    color: #da2f28;
}

a.link-success {
    color: var(--success-color);
}

a.link-success:hover {
    color: #388e3c;
}

/* Стили для секций */
.section {
    margin-bottom: 30px;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--light-bg);
    padding-bottom: 10px;
}

.section-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 15px;
}

/* Стили для контента */
.content-wrapper {
    background: white;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

.empty-state-text {
    font-size: 14px;
    margin-bottom: 20px;
}

/* Стили для модалок и диалогов */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.show {
    display: block;
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.modal-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    margin: 0;
    color: var(--primary-color);
}

.modal-body {
    margin-bottom: 20px;
}

.modal-footer {
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.close-btn {
    color: var(--text-color);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: var(--danger-color);
}

/* Стили для табов */
.tabs {
    margin-bottom: 20px;
}

.tab-headers {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    gap: 0;
}

.tab-header {
    padding: 15px 25px;
    cursor: pointer;
    border: none;
    background: none;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    transition: all 0.3s;
    position: relative;
}

.tab-header:hover {
    color: var(--primary-color);
}

.tab-header.active {
    color: var(--primary-color);
}

.tab-header.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.tab-content {
    display: none;
    padding: 20px 0;
}

.tab-content.active {
    display: block;
}

/* Стили для breadcrumb */
.breadcrumb {
    padding: 10px 0;
    margin-bottom: 20px;
    font-size: 13px;
}

.breadcrumb-item {
    display: inline-block;
    color: var(--text-light);
}

.breadcrumb-item a {
    color: var(--primary-color);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ' / ';
    padding: 0 8px;
    color: var(--text-light);
}

.breadcrumb-item.active {
    color: var(--text-color);
}

/* Стили для рейтинга */
.rating {
    display: flex;
    gap: 5px;
    align-items: center;
}

.star {
    color: #ddd;
    cursor: pointer;
    font-size: 24px;
    transition: color 0.3s;
}

.star:hover,
.star.active {
    color: var(--warning-color);
}

/* Стили для tag-ов */
.tag {
    display: inline-block;
    padding: 6px 12px;
    background: var(--light-bg);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-color);
    margin: 5px 5px 5px 0;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.tag:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tag-removable {
    cursor: pointer;
    padding-right: 8px;
}

.tag-removable::after {
    content: ' ×';
    font-weight: bold;
    margin-left: 6px;
}

/* Стили для tooltip */
.tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted var(--text-light);
    cursor: help;
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 12px;
}

.tooltip .tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--secondary-color) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Нижний колонтитул */
.footer {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 50px;
    font-size: 14px;
}

/* Медиа запросы */
@media (max-width: 768px) {
    .navbar-container {
        flex-direction: column;
        gap: 20px;
    }

    .navbar-menu {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }

    .test-header {
        flex-direction: column;
        gap: 20px;
    }

    .result-score {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .dashboard-stats,
    .admin-stats,
    .analytics-grid {
        grid-template-columns: 1fr;
    }

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

    table {
        font-size: 12px;
    }

    th,
    td {
        padding: 10px;
    }
}

/* Стили для управления пользователями */
.change-password-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.change-password-form {
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
}

.change-password-form h2 {
    margin-bottom: 30px;
    color: var(--primary-color);
    text-align: center;
}

.user-info {
    background: var(--light-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 4px solid var(--primary-color);
}

.user-info p {
    margin: 10px 0;
    font-size: 14px;
}

.user-info strong {
    color: var(--primary-color);
    min-width: 120px;
    display: inline-block;
}

.password-requirements {
    background: #f0f7ff;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    border: 1px solid #d1ecf1;
}

.password-requirements p {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
}

.password-requirements ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.password-requirements li {
    font-size: 13px;
    color: #0c5460;
    margin: 5px 0;
}

/* Улучшенные стили для таблиц */
table td .btn-small {
    display: inline-block;
    margin: 0 3px;
}

table td .btn-small:first-child {
    margin-left: 0;
}

.action-buttons {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3px;
    width: 100%;
    white-space: nowrap;
}

.action-left {
    display: flex;
    align-items: center;
    gap: 3px;
    flex-shrink: 0;
}

.copy-status {
    font-size: 12px;
    color: var(--success-color);
    min-width: 90px;
    display: inline-block;
    text-align: left;
    opacity: 0;
    transform: translateY(-2px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.copy-status.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.copy-status.is-error {
    color: var(--danger-color);
}

/* Стили для форм */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: white;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="password"]:hover,
input[type="number"]:hover,
textarea:hover,
select:hover {
    border-color: var(--primary-color);
}

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

/* Стили для checkbox и radio */
input[type="checkbox"],
input[type="radio"] {
    cursor: pointer;
}

input[type="checkbox"] + label,
input[type="radio"] + label {
    cursor: pointer;
    display: inline-block;
    margin-left: 8px;
}

/* Карточки и контейнеры */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.card-header {
    border-bottom: 2px solid var(--light-bg);
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.card-header h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 18px;
}

.card-body {
    padding: 0;
}

.card-footer {
    border-top: 1px solid var(--light-bg);
    padding-top: 15px;
    margin-top: 15px;
}

/* Улучшенные стили для кнопок */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1565c0 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1565c0 0%, #0d47a1 100%);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #303030;
}

.btn-ghost {
    background: #f1f5fb;
    color: #1f2a44;
    border: 1px solid #d6e0f0;
    padding: 12px 24px;
    font-weight: 600;
}

.btn-ghost:hover {
    background: #e8eef8;
    box-shadow: 0 4px 10px rgba(31, 42, 68, 0.15);
}

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

.btn-success:hover {
    background: #45a049;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #da2f28;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-warning:hover {
    background: #f57c00;
}

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

.btn-info:hover {
    background: #1976d2;
}

.btn-small {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
}

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Стили для бейджей и тегов */
.badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.badge-primary {
    background: rgba(25, 118, 210, 0.15);
    color: var(--primary-color);
}

.badge-success {
    background: rgba(76, 175, 80, 0.15);
    color: var(--success-color);
}

.badge-danger {
    background: rgba(244, 67, 54, 0.15);
    color: var(--danger-color);
}

.badge-warning {
    background: rgba(255, 152, 0, 0.15);
    color: var(--warning-color);
}

.badge-info {
    background: rgba(33, 150, 243, 0.15);
    color: var(--info-color);
}

/* Стили для алертов */
.alert {
    padding: 15px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 15px;
}

.alert-success {
    background: #f0f8f0;
    color: #2e7d32;
    border-left-color: var(--success-color);
}

.alert-danger {
    background: #fef5f5;
    color: #c62828;
    border-left-color: var(--danger-color);
}

.alert-warning {
    background: #fff8f3;
    color: #e65100;
    border-left-color: var(--warning-color);
}

.alert-info {
    background: #f0f7ff;
    color: #0d47a1;
    border-left-color: var(--info-color);
}

/* Стили для панелей */
.panel {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.panel-header {
    background: var(--light-bg);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-color);
}

.panel-body {
    padding: 20px;
}

.panel-footer {
    background: var(--light-bg);
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-light);
}

/* Стили для групп элементов */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 14px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-light);
    font-size: 12px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* Стили для списков */
.list-group {
    list-style: none;
    padding: 0;
    margin: 0;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.list-group-item {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.list-group-item:last-child {
    border-bottom: none;
}

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

.list-group-item.active {
    background: rgba(25, 118, 210, 0.1);
    border-left: 4px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
}

/* Стили для наглядной информации */
.info-box {
    background: linear-gradient(135deg, rgba(25, 118, 210, 0.05) 0%, rgba(25, 118, 210, 0.1) 100%);
    border-left: 4px solid var(--primary-color);
    padding: 15px 20px;
    border-radius: 6px;
    margin: 15px 0;
}

.info-box strong {
    color: var(--primary-color);
}

.success-box {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.05) 0%, rgba(76, 175, 80, 0.1) 100%);
    border-left: 4px solid var(--success-color);
}

.error-box {
    background: linear-gradient(135deg, rgba(244, 67, 54, 0.05) 0%, rgba(244, 67, 54, 0.1) 100%);
    border-left: 4px solid var(--danger-color);
}

.warning-box {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.05) 0%, rgba(255, 152, 0, 0.1) 100%);
    border-left: 4px solid var(--warning-color);
}

/* Стили для мини элементов */
.badge-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 5px;
}

.badge-dot.success {
    background: var(--success-color);
}

.badge-dot.danger {
    background: var(--danger-color);
}

.badge-dot.warning {
    background: var(--warning-color);
}

.badge-dot.info {
    background: var(--info-color);
}

/* Стили для разделителей */
.divider {
    height: 1px;
    background: var(--border-color);
    margin: 20px 0;
}

.divider-text {
    position: relative;
    text-align: center;
    margin: 20px 0;
    color: var(--text-light);
    font-size: 13px;
}

.divider-text::before,
.divider-text::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background: var(--border-color);
}

.divider-text::before {
    left: 0;
}

.divider-text::after {
    right: 0;
}

/* Стили для спинера загрузки */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--light-bg);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Стили для шкалы */
.progress {
    height: 6px;
    background: var(--light-bg);
    border-radius: 3px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #42a5f5);
    transition: width 0.3s ease;
}

.progress-bar.success {
    background: linear-gradient(90deg, var(--success-color), #66bb6a);
}

.progress-bar.danger {
    background: linear-gradient(90deg, var(--danger-color), #ef5350);
}

.progress-bar.warning {
    background: linear-gradient(90deg, var(--warning-color), #ffb74d);
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .auth-form {
        padding: 20px;
    }

    .change-password-form {
        padding: 20px;
    }

    .question-scale {
        flex-direction: column;
    }

    .scale-option {
        width: 100%;
    }

    table {
        font-size: 11px;
    }

    table td .btn-small {
        padding: 4px 8px;
        font-size: 11px;
    }
}
/* Questions Editor Styling */
.questions-editor {
    margin: 30px 0;
}

.question-editor-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.question-editor-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.question-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 16px;
}

.question-editor-header h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    flex: 1;
    word-break: break-word;
}

.question-editor-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.btn-small {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    background-color: var(--primary-color);
    color: white;
}

.btn-small:hover {
    background-color: #1565c0;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.3);
    transform: translateY(-1px);
}

.btn-small.btn-danger {
    background-color: var(--danger-color);
}

.btn-small.btn-danger:hover {
    background-color: #d32f2f;
    box-shadow: 0 2px 8px rgba(244, 67, 54, 0.3);
}

.question-editor-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
}

.question-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: transparent;
    border: none;
    padding: 0;
    text-align: left;
    cursor: pointer;
    color: inherit;
}

.question-toggle-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #e3f2fd;
    color: var(--primary-color);
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}

.question-details {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 12px;
    background: #f6f9ff;
    border: 1px solid #e0e9f7;
}

.details-title {
    font-weight: 600;
    margin-bottom: 8px;
    color: #1f2a44;
}

.details-text {
    color: var(--text-light);
    font-size: 14px;
}

.details-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: var(--text-color);
}

.details-list li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.question-editor-info span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
}

.question-editor-info span::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
}

.question-editor-info span:first-child::before {
    content: '';
}

.question-type-badge {
    display: inline-block;
    background-color: #e3f2fd;
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.question-points-badge {
    display: inline-block;
    background-color: #f3e5f5;
    color: #7b1fa2;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.no-data {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
    background-color: white;
    border-radius: 12px;
    border: 1px dashed var(--border-color);
    font-style: italic;
}

.editor-actions {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.test-editor {
    background: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
}

.test-editor h2 {
    margin-bottom: 30px;
    color: var(--text-color);
    font-size: 24px;
    font-weight: 600;
}

.test-editor h3 {
    margin-top: 30px;
    margin-bottom: 20px;
    color: var(--text-color);
    font-size: 18px;
    font-weight: 600;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.test-editor-tabs {
    margin-bottom: 30px;
}

.test-form {
    background-color: #fafafa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.edit-test-page {
    max-width: 1100px;
    margin: 0 auto 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    font-family: "Space Grotesk", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.edit-test-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    padding: 28px;
    border-radius: 16px;
    background: linear-gradient(135deg, #0f5db6 0%, #1c7ed6 55%, #42a5f5 100%);
    color: white;
    box-shadow: 0 12px 30px rgba(16, 98, 184, 0.25);
}

.edit-test-hero h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.edit-test-subtitle {
    font-size: 14px;
    opacity: 0.9;
}

.edit-test-meta {
    display: grid;
    gap: 10px;
    min-width: 180px;
}

.edit-test-meta .meta-card {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.edit-test-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    border: 1px solid rgba(25, 118, 210, 0.1);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.edit-test-form {
    background: transparent;
    padding: 0;
    margin: 0;
}

.edit-test-actions {
    justify-content: flex-start;
    gap: 12px;
}

.edit-test-actions {
    flex-wrap: nowrap;
    align-items: center;
}

.edit-test-actions form {
    display: inline-flex;
}

.edit-test-actions .btn {
    white-space: nowrap;
}

.split-actions {
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.split-actions .actions-left,
.split-actions .actions-right {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.split-actions .actions-right {
    margin-left: auto;
}

.publish-toggle {
    margin-top: 16px;
}

.publish-toggle input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
}

.publish-toggle label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 999px;
    background: #fff3cd;
    color: #8a6d00;
    font-weight: 600;
    border: 1px solid #ffe0a3;
    cursor: pointer;
    box-shadow: 0 8px 16px rgba(255, 193, 7, 0.18);
    transition: all 0.2s ease;
}

.publish-toggle label::before {
    content: "⚡";
    font-size: 16px;
}

.publish-toggle input:checked + label {
    background: #e8f5e9;
    color: #1b5e20;
    border-color: #b7e1c1;
    box-shadow: 0 10px 20px rgba(76, 175, 80, 0.18);
}

.edit-test-questions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin: 20px 0 10px;
}

.review-item {
    background: #f6f9ff;
    border: 1px solid #e0e9f7;
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.review-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #6b7a90;
}

.review-value {
    font-size: 14px;
    color: #1f2a44;
    font-weight: 600;
    word-break: break-word;
}

.edit-test-questions-header h3 {
    margin: 0;
    padding: 0;
    border: none;
}

@media (max-width: 768px) {
    .edit-test-hero {
        flex-direction: column;
        padding: 22px;
    }

    .edit-test-meta {
        width: 100%;
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }

    .edit-test-card {
        padding: 22px;
    }

    .edit-test-questions-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .split-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .split-actions .actions-left,
    .split-actions .actions-right {
        width: 100%;
        justify-content: flex-start;
    }

    .split-actions .actions-right {
        flex-wrap: wrap;
    }

    .split-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

.create-question-page {
    max-width: 980px;
    margin: 0 auto 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    font-family: "Space Grotesk", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.create-question-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    padding: 28px;
    border-radius: 16px;
    background: linear-gradient(135deg, #0f5db6 0%, #1c7ed6 55%, #42a5f5 100%);
    color: white;
    box-shadow: 0 12px 30px rgba(16, 98, 184, 0.25);
}

.create-question-hero h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.create-question-subtitle {
    font-size: 14px;
    opacity: 0.9;
}

.create-question-meta {
    display: grid;
    gap: 10px;
    min-width: 180px;
}

.create-question-meta .meta-card {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.create-question-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    border: 1px solid rgba(25, 118, 210, 0.1);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.question-form {
    background: transparent;
    padding: 0;
    margin: 0;
}

.form-hint {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-light);
}

.options-container {
    background: #f6f9ff;
    padding: 18px;
    border-radius: 12px;
    margin-top: 15px;
    border: 1px solid #e0e9f7;
}

.options-container h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: #1f2a44;
}

.option-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    gap: 10px;
}

.option-item input[type="checkbox"],
.option-item input[type="radio"] {
    width: 18px;
    height: 18px;
}

.option-item input[type="text"] {
    flex: 1;
}

.remove-option {
    color: #f44336;
    cursor: pointer;
    font-weight: bold;
}

.create-question-actions {
    justify-content: flex-start;
    gap: 12px;
}

@media (max-width: 768px) {
    .create-question-hero {
        flex-direction: column;
        padding: 22px;
    }

    .create-question-meta {
        width: 100%;
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }

    .create-question-card {
        padding: 22px;
    }
}

.create-test-page {
    max-width: 980px;
    margin: 0 auto 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    font-family: "Space Grotesk", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.create-test-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    padding: 28px;
    border-radius: 16px;
    background: linear-gradient(135deg, #0f5db6 0%, #1c7ed6 55%, #42a5f5 100%);
    color: white;
    box-shadow: 0 12px 30px rgba(16, 98, 184, 0.25);
}

.create-test-hero h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.create-test-subtitle {
    font-size: 14px;
    opacity: 0.9;
    max-width: 420px;
}

.create-test-meta {
    display: grid;
    gap: 10px;
    min-width: 180px;
}

.create-test-meta .meta-card {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.8;
}

.meta-value {
    font-size: 14px;
    font-weight: 600;
}

.create-test-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    border: 1px solid rgba(25, 118, 210, 0.1);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.create-test-form {
    background: transparent;
    padding: 0;
    margin: 0;
}

.create-test-form .form-group label {
    font-weight: 600;
    color: #1f2a44;
}

.create-test-form input,
.create-test-form textarea {
    background: #f9fbff;
    border: 1px solid #dbe4f3;
}

.create-test-form input:focus,
.create-test-form textarea:focus {
    border-color: #1c7ed6;
    box-shadow: 0 0 0 3px rgba(28, 126, 214, 0.15);
}

.create-test-actions {
    justify-content: flex-start;
    gap: 12px;
}

@media (max-width: 768px) {
    .create-test-hero {
        flex-direction: column;
        padding: 22px;
    }

    .create-test-meta {
        width: 100%;
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }

    .create-test-card {
        padding: 22px;
    }
}

@media (max-width: 768px) {
    .question-editor-header {
        flex-direction: column;
        gap: 12px;
    }

    .question-editor-actions {
        width: 100%;
    }

    .question-editor-actions .btn-small {
        flex: 1;
        justify-content: center;
    }

    .question-editor-info {
        flex-direction: column;
        gap: 8px;
    }

    .editor-actions {
        justify-content: center;
    }

    .test-editor {
        padding: 20px;
    }
}

/* ========================================
   РАСШИРЕННЫЙ АДАПТИВНЫЙ ДИЗАЙН ДЛЯ МОБИЛЬНЫХ
   ======================================== */

/* Улучшенные адаптивные стили для планшетов */
@media (max-width: 992px) {
    .container {
        padding: 20px 15px;
    }

    .admin-actions {
        flex-wrap: wrap;
    }

    .tests-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* Дополнительные адаптивные изменения для планшетов (768px) */
@media (max-width: 768px) {
    /* Контейнер */
    .container {
        padding: 15px;
    }

    /* Навигация */
    .navbar {
        padding: 15px 0;
    }

    .navbar-brand h1 {
        font-size: 22px;
    }

    .navbar-brand p {
        font-size: 12px;
    }

    /* Кнопки */
    .btn {
        padding: 10px 16px;
        font-size: 14px;
    }

    /* Карточки статистики */
    .stat-card h3 {
        font-size: 32px;
    }

    /* Действия админа */
    .admin-actions {
        flex-direction: column;
        gap: 12px;
    }

    .admin-actions .btn {
        width: 100%;
        text-align: center;
    }

    /* Таблицы - горизонтальная прокрутка */
    .tests-manager,
    .users-manager {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        min-width: 600px;
        font-size: 13px;
    }

    th, td {
        padding: 8px;
    }

    /* Формы */
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 14px;
        padding: 10px;
    }

    /* Результаты */
    .result-stats {
        grid-template-columns: 1fr 1fr;
    }
}

/* Мобильные таблицы (до 640px) */
@media (max-width: 640px) {
    .tests-manager,
    .users-manager,
    .results-table {
        overflow-x: visible;
    }

    table.responsive-table {
        border: 0;
        box-shadow: none;
    }

    table.responsive-table thead {
        display: none;
    }

    table.responsive-table,
    table.responsive-table tbody,
    table.responsive-table tr,
    table.responsive-table td {
        display: block;
        width: 100%;
    }

    table.responsive-table tr {
        background: white;
        border: 1px solid var(--border-color);
        border-radius: 10px;
        margin-bottom: 12px;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
        overflow: hidden;
    }

    table.responsive-table td {
        display: flex;
        justify-content: space-between;
        gap: 12px;
        padding: 10px 12px;
        border-bottom: 1px dashed var(--border-color);
        text-align: left;
        word-break: break-word;
    }

    table.responsive-table td:last-child {
        border-bottom: 0;
    }

    table.responsive-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-light);
        flex: 0 0 42%;
    }

    table.responsive-table td[data-label="Действия"] {
        align-items: flex-start;
    }

    table.responsive-table .action-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        white-space: normal;
    }

    table.responsive-table .action-buttons .action-left {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    table.responsive-table .action-buttons .btn-small {
        width: 100%;
    }
}

/* Мобильные устройства (480px и меньше) */
@media (max-width: 480px) {
    /* Контейнер */
    .container {
        padding: 10px;
    }

    /* Навигация компактная */
    .navbar {
        padding: 10px 0;
        margin-bottom: 20px;
    }

    .navbar-container {
        padding: 0 10px;
        gap: 15px;
    }

    .navbar-brand h1 {
        font-size: 20px;
    }

    .navbar-brand p {
        display: none;
    }

    .navbar-menu {
        width: 100%;
        gap: 8px;
    }

    .navbar-menu li {
        width: 100%;
    }

    .navbar-menu a {
        display: block;
        padding: 8px;
        font-size: 12px;
    }

    /* Кнопки на всю ширину */
    .btn,
    .btn-primary,
    .btn-secondary,
    .btn-danger {
        width: 100%;
        padding: 12px;
        font-size: 14px;
        text-align: center;
    }

    /* Заголовки */
    h1 { font-size: 24px; }
    h2 { font-size: 20px; }
    h3 { font-size: 18px; }
    h4 { font-size: 16px; }

    /* Карточки статистики */
    .admin-stats,
    .dashboard-stats {
        grid-template-columns: 1fr !important;
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-card h3 {
        font-size: 28px;
    }

    /* Таблицы */
    table {
        font-size: 11px;
        min-width: 100%;
    }

    th, td {
        padding: 6px 4px;
        font-size: 11px;
    }

    /* Кнопки действий в таблицах */
    .action-buttons {
        flex-direction: column;
        gap: 6px;
        width: 100%;
    }

    .action-buttons .action-left {
        flex-direction: column;
        width: 100%;
        gap: 6px;
    }

    .action-buttons .btn-small {
        width: 100%;
    }

    /* Формы */
    .form-container,
    .auth-container,
    .question-form-container {
        padding: 15px;
    }

    .auth-form {
        padding: 20px;
        margin: 0 10px;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px;
        padding: 12px;
    }

    .form-actions {
        flex-direction: column;
        gap: 10px;
    }

    .form-actions .btn {
        width: 100%;
    }

    /* Карточки тестов */
    .tests-grid {
        grid-template-columns: 1fr !important;
    }

    .test-card {
        padding: 15px;
    }

    /* Вопросы */
    .question {
        padding: 15px;
        margin-bottom: 15px;
    }

    .question h3 {
        font-size: 15px;
    }

    /* Опции */
    .options-container {
        padding: 12px;
    }

    .option {
        padding: 10px;
        margin-bottom: 8px;
    }

    .option label {
        font-size: 13px;
    }

    .option input[type="radio"],
    .option input[type="checkbox"] {
        width: 18px;
        height: 18px;
    }

    /* Редактор вопросов */
    .option-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .option-item input[type="text"] {
        width: 100%;
    }

    /* Результаты */
    .result-header {
        padding: 20px 15px;
    }

    .result-header h2 {
        font-size: 20px;
    }

    .result-stats {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .result-score {
        grid-template-columns: 1fr;
    }

    /* Панели */
    .panel {
        padding: 15px;
    }

    /* Вкладки */
    .tabs {
        flex-wrap: wrap;
    }

    .tab {
        padding: 8px 12px;
        font-size: 12px;
    }

    /* Модальные окна */
    .modal-content {
        width: 95%;
        margin: 20px auto;
        padding: 20px;
    }

    /* Бейджи */
    .badge {
        font-size: 10px;
        padding: 3px 8px;
    }

    /* Таймер */
    .timer {
        font-size: 14px;
        padding: 8px 12px;
    }

    /* Футер */
    .footer {
        padding: 12px 10px;
        font-size: 11px;
    }

    /* Редактор вопросов */
    .questions-editor {
        margin: 20px 0;
    }

    .question-editor-item {
        padding: 15px;
    }

    .question-editor-header h4 {
        font-size: 14px;
    }

    .question-type-badge,
    .question-points-badge {
        font-size: 11px;
        padding: 3px 8px;
    }

    /* Редактор теста */
    .test-editor {
        padding: 15px;
    }

    .test-editor h2 {
        font-size: 20px;
    }

    .test-editor h3 {
        font-size: 16px;
    }

    /* Описания */
    .form-description {
        font-size: 12px;
    }

    small {
        font-size: 11px;
    }

    /* Читаемость */
    body {
        font-size: 14px;
    }

    /* Изображения */
    img {
        max-width: 100%;
        height: auto;
    }
}

/* Очень маленькие экраны (360px) */
@media (max-width: 360px) {
    .navbar-brand h1 {
        font-size: 18px;
    }

    h1 { font-size: 20px; }
    h2 { font-size: 18px; }
    h3 { font-size: 16px; }

    .stat-card h3 {
        font-size: 24px;
    }

    .btn {
        padding: 10px 12px;
        font-size: 13px;
    }

    table {
        font-size: 10px;
    }

    th, td {
        padding: 4px 2px;
    }
}

/* Сенсорные устройства */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .btn-small,
    a {
        min-height: 44px;
    }

    input[type="radio"],
    input[type="checkbox"] {
        width: 22px;
        height: 22px;
    }
}