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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #545b62;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}

/* Форма авторизации */
.login-form {
    max-width: 400px;
    margin: 100px auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.login-form h1 {
    text-align: center;
    margin-bottom: 10px;
    color: #007bff;
}

.login-form p {
    text-align: center;
    margin-bottom: 30px;
    color: #666;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 5px;
    margin-top: 20px;
    text-align: center;
}

/* Хедер */
.header {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.role-badge {
    background: rgba(255,255,255,0.2);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
}

/* Сайдбар */
.sidebar {
    position: fixed;
    left: 0;
    top: 70px;
    width: 250px;
    height: calc(100vh - 70px);
    background: white;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    overflow-y: auto;
}

.nav-menu {
    list-style: none;
    padding: 20px 0;
}

.nav-link {
    display: block;
    padding: 15px 25px;
    color: #333;
    text-decoration: none;
    border-bottom: 1px solid #eee;
    transition: background-color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    background-color: #f8f9fa;
    color: #007bff;
}

.nav-link span {
    margin-right: 10px;
}

/* Основной контент */
.main-content {
    margin-left: 250px;
    padding: 30px;
    min-height: calc(100vh - 70px);
}

.content-section {
    display: none;
}

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

/* Статистика */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-card h3 {
    margin-bottom: 15px;
    color: #666;
    font-size: 14px;
    text-transform: uppercase;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #007bff;
}

.stat-date {
    font-size: 18px;
    color: #666;
}

/* Активность */
.recent-activity {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.activity-list {
    margin-top: 15px;
}

.activity-item {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

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

/* Заголовки секций */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.section-header h2 {
    margin: 0;
}

.filters {
    display: flex;
    gap: 15px;
    align-items: center;
}

/* Таблицы данных */
.data-table {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #333;
}

tbody tr:hover {
    background-color: #f8f9fa;
}

.action-buttons {
    display: flex;
    gap: 5px;
}

.action-btn {
    padding: 5px 10px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
}

/* Отчеты */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.report-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.report-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.report-card h3 {
    margin-bottom: 10px;
    color: #007bff;
}

.report-card p {
    color: #666;
    font-size: 14px;
}

/* Документы безопасности */
.safety-docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.doc-category {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.doc-category h3 {
    margin-bottom: 20px;
    color: #007bff;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.doc-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.doc-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #007bff;
    cursor: pointer;
    transition: all 0.3s ease;
}

.doc-card:hover {
    background: #e9ecef;
    transform: translateX(5px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.doc-card h4 {
    margin-bottom: 8px;
    color: #495057;
    font-size: 16px;
}

.doc-card p {
    color: #6c757d;
    font-size: 14px;
    line-height: 1.4;
}

/* Настройки */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.setting-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.setting-card h3 {
    margin-bottom: 10px;
    color: #007bff;
}

.setting-card p {
    color: #666;
    margin-bottom: 15px;
}

/* Модальные окна */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    z-index: 1001;
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
}

.modal.large {
    width: 800px;
}

.modal-content {
    padding: 0;
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.modal-close {
    font-size: 28px;
    cursor: pointer;
    color: #999;
}

.modal-close:hover {
    color: #333;
}

.modal form {
    padding: 25px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* Инвентаризация */
#inventory-interface {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.inventory-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.inventory-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

.inventory-stat {
    text-align: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.inventory-stat .number {
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
    display: block;
}

.inventory-stat .label {
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
}

.scanner-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.scanner-input {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    border: 2px solid #007bff;
    border-radius: 5px;
    text-align: center;
    margin-bottom: 15px;
}

.scanner-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.item-found {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
}

.item-not-found {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
}

.item-unexpected {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
}

/* Адаптивность */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: static;
        height: auto;
    }

    .main-content {
        margin-left: 0;
    }

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

    .user-info {
        flex-wrap: wrap;
        justify-content: center;
    }

    .section-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .modal {
        width: 95vw;
    }

    .modal.large {
        width: 95vw;
    }
}