:root {
    --primary-color: #2ecc71;
    --secondary-color: #3498db;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-color: #333;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f5f5f5;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Шапка */
header {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo span {
    font-size: 1.5rem;
    font-weight: bold;
    margin-left: 10px;
    color: var(--dark-color);
}

/* Навигация */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--primary-color);
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: #27ae60;
    transform: translateY(-2px);
}

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

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

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-control.error {
    border-color: var(--danger-color);
}

/* Карточки */
.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 20px;
    margin-bottom: 20px;
}

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

/* Статусы */
.status-badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

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

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

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

/* Уведомления */
.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    animation: slideIn 0.3s ease;
}

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

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

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

/* Счетчик */
.counter-section {
    text-align: center;
    padding: 40px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--border-radius);
    margin: 30px 0;
}

.counter-number {
    font-size: 5rem;
    font-weight: bold;
    line-height: 1;
    transition: transform 0.3s ease;
}

.counter-number.updated {
    transform: scale(1.1);
}

.counter-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Модальные окна */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 2000;
}

.modal-content {
    position: relative;
    background-color: white;
    margin: 50px auto;
    padding: 30px;
    max-width: 500px;
    border-radius: var(--border-radius);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Анимации */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

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

.pulse {
    animation: pulse 2s infinite;
}

/* Ховер эффект для карточек решенных проблем */
.solution-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.solution-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.solution-image .photo-after,
.solution-image .photo-before {
    transition: opacity 0.3s ease;
}

.solution-image .photo-before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.solution-card:hover .photo-after {
    transform: scale(1.1);
}

.solution-card:hover .photo-before {
    opacity: 1;
    transform: scale(1.1);
}

/* Футер */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 40px 0;
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
}
/* Стили для админ панели */
.table-responsive {
    overflow-x: auto;
    margin: 20px 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.table th {
    background-color: var(--dark-color);
    color: white;
    font-weight: 500;
    padding: 15px;
    text-align: left;
}

.table td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover {
    background-color: #f8f9fa;
}

/* Стили для деталей */
details {
    background: #f8f9fa;
    padding: 10px;
    border-radius: var(--border-radius);
    cursor: pointer;
}

details summary {
    font-weight: 500;
    color: var(--primary-color);
}

details[open] summary {
    margin-bottom: 10px;
}

/* Стили для фильтров */
.filter-section {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin: 20px 0;
}

.filter-btn {
    padding: 8px 16px;
    border: 2px solid transparent;
    border-radius: 20px;
    cursor: pointer;
    background-color: #f0f0f0;
    transition: var(--transition);
}

.filter-btn:hover {
    background-color: #e0e0e0;
}

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

/* Стили для статистики */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 10px 0;
}

.stat-label {
    color: #666;
    font-size: 1rem;
}

/* Уведомления */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}

.alert {
    min-width: 300px;
    margin-bottom: 10px;
    animation: slideInRight 0.3s ease;
}

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

/* Загрузка файлов */
.file-upload {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.file-upload-label {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.file-upload-label:hover {
    background-color: #2980b9;
}

/* Прогресс бар */
.progress-bar {
    width: 100%;
    height: 20px;
    background-color: #f0f0f0;
    border-radius: 10px;
    overflow: hidden;
    margin: 10px 0;
}

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