/* Общие стили */
:root {
    /* Основные цвета */
    --primary-color: #1B3764;
    --primary-light: #2B5DA2;
    --primary-dark: #0F1F3D;
    --accent-color: #FF6B35;
    --accent-light: #FF8659;
    --accent-dark: #E84F1D;
    
    /* Нейтральные оттенки */
    --gray-100: #F8FAFC;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    
    /* Функциональные цвета */
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --info-color: #3B82F6;
    
    /* Другие переменные */
    --header-height: 64px;
    --footer-height: 48px;
    --sidebar-width: 250px;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s;
}

/* Сброс стилей и базовые настройки */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--gray-800);
    background-color: var(--gray-100);
    height: 100%;
}

/* Общие контейнеры */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Заголовки */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 16px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

/* Ссылки */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* Шапка */
.main-header {
    background-color: var(--primary-color);
    color: white;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
    gap: 16px;
}

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

.logo {
    height: 40px;
    width: auto;
    transition: transform var(--transition-speed) ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Навигация */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.main-nav a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: background-color var(--transition-speed) ease;
    white-space: nowrap;
}

.main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    text-decoration: none;
}

.main-nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: bold;
}

/* Подвал */
.main-footer {
    background-color: var(--gray-800);
    color: white;
    padding: 16px 24px;
    text-align: center;
    height: var(--footer-height);
    margin-top: auto;
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

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

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

.btn-secondary {
    background-color: var(--gray-200);
    color: var(--gray-800);
}

.btn-secondary:hover {
    background-color: var(--gray-300);
}

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

.btn-success:hover {
    background-color: #0CA678;
}

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

.btn-danger:hover {
    background-color: #E53E3E;
}

.btn-block {
    width: 100%;
}

/* Формы */
.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--gray-700);
}

input, select, textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: inherit;
    transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(43, 93, 162, 0.2);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.form-row .form-group {
    flex: 1 1 200px;
}

/* Селекты с кастомной стрелкой */
.select-wrapper {
    position: relative;
}

.select-wrapper select {
    appearance: none;
    padding-right: 36px;
}

.select-arrow {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    pointer-events: none;
}

/* Контейнер для поля пароля */
.password-input-container {
    position: relative;
}

.toggle-password {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-500);
}

/* Таблицы */
.table-responsive {
    overflow-x: auto;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    margin: 16px 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    white-space: nowrap;
}

.data-table {
    background-color: white;
    border-radius: var(--border-radius);
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.data-table thead tr {
    background-color: var(--gray-100);
}

.data-table th {
    font-weight: 500;
    color: var(--gray-700);
}

.data-table tbody tr:hover {
    background-color: var(--gray-100);
}

.data-table .actions-cell {
    display: flex;
    gap: 8px;
}

/* Утилиты */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.hidden {
    display: none !important;
}

/* Страница авторизации */
.auth-page {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logout-btn{
    width: 5rem;
    height: 1.75rem;
}

.auth-logo {
    margin-bottom: 1rem;
    width: 25rem;
}

.auth-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 32px;
    width: 100%;
}

.auth-card h1 {
    text-align: center;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-error {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 8px;
}

.auth-footer {
    margin-top: 24px;
    color: rgba(255, 255, 255, 0.8);
}

/* Главная страница */
.page-title {
    margin-bottom: 32px;
    text-align: center;
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background-color: white;
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--gray-800);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    text-decoration: none;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.feature-card h2 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.feature-card p {
    color: var(--gray-600);
}

/* Главное меню */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 0 auto;
    max-width: 1200px;
}

.feature-card {
    background-color: white;
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--gray-800);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    text-decoration: none;
}

/* Модальные окна */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

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

.modal-content {
    background-color: white;
    margin: 10vh auto;
    width: 90%;
    max-width: 500px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.3s ease;
}

.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1200px;
}

@keyframes slideDown {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.close-btn {
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-500);
    transition: color var(--transition-speed) ease;
}

.close-btn:hover {
    color: var(--gray-800);
}

/* Стили для модального окна просмотра расчета */
.calculation-info {
    background-color: var(--gray-100);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
}

.calculation-info p {
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.calculation-info strong {
    color: var(--gray-700);
}

.calculation-details {
    margin-top: 24px;
}

.calculation-details h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
}

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

.calculation-details th {
    background-color: var(--gray-100);
    font-weight: 500;
    color: var(--gray-700);
    padding: 12px 16px;
    text-align: left;
    border-bottom: 2px solid var(--gray-200);
}

.calculation-details td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-200);
}

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

.calculation-details tr:hover td {
    background-color: var(--gray-50);
}

.calculation-total {
    margin-top: 20px;
    text-align: right;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--primary-color);
}

/* Расчет стоимости */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.calculation-container {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 24px;
    margin-bottom: 24px;
}

.items-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    background-color: white;
}

.items-table th,
.items-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    height: 48px;
    vertical-align: middle;
}

.items-table th {
    background-color: var(--gray-100);
    font-weight: 500;
}

.items-table input {
    width: 120px;
    padding: 8px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
}

.items-table input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(74, 124, 195, 0.2);
}

.items-table tfoot td {
    font-weight: 500;
}

.calculation-actions {
    margin-top: 24px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Стили для модального окна выбора материала */
.material-selection-modal .modal-content {
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.material-selection-modal .modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.materials-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.material-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 16px;
    background-color: white;
    transition: all var(--transition-speed) ease;
}

.material-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow);
}

.material-info {
    margin-bottom: 12px;
}

.material-info h3 {
    margin: 0 0 4px 0;
    font-size: 1rem;
    color: var(--gray-900);
}

.material-info p {
    margin: 0;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.price-options {
    display: flex;
    gap: 8px;
    align-items: center;
}

.price-select {
    flex: 1;
}

/* Стили для фильтров материалов */
.material-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
    padding: 16px;
    background-color: var(--gray-100);
    border-radius: var(--border-radius);
}

/* Страница администрирования */
.admin-container {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 24px;
}

.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.tab-actions {
    display: flex;
    gap: 12px;
}

.materials-management {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 24px;
}

.categories-sidebar {
    border-right: 1px solid var(--gray-200);
    padding-right: 24px;
}

.categories-list {
    list-style: none;
}

.categories-list li {
    padding: 8px 12px;
    cursor: pointer;
    border-radius: var(--border-radius);
    margin-bottom: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.categories-list li:hover {
    background-color: var(--gray-100);
}

.categories-list li.active {
    background-color: var(--primary-light);
    color: white;
}

.pricelist-filters {
    margin-bottom: 24px;
    padding: 16px;
    background-color: var(--gray-100);
    border-radius: var(--border-radius);
}

/* История расчетов */
.history-filters {
    margin-bottom: 24px;
    padding: 16px;
    background-color: var(--gray-100);
    border-radius: var(--border-radius);
}

.filter-buttons {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.page-btn {
    min-width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-300);
    background-color: white;
    cursor: pointer;
    font-weight: 500;
}

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

.page-btn:hover:not(.active) {
    background-color: var(--gray-100);
}

.calculation-results {
    padding: 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    margin: 24px 0;
}

.items-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    background-color: white;
}

.items-table th,
.items-table td {
    padding: 12px 16px;
    text-align: left;
    border: 1px solid var(--gray-200);
    vertical-align: middle;
    height: 48px;
    line-height: 1.5;
}

.items-table th {
    background-color: var(--gray-100);
    font-weight: 500;
    color: var(--gray-700);
    white-space: nowrap;
}

.items-table tbody tr:hover {
    background-color: var(--gray-50);
}

.items-table input[type="number"] {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 14px;
}

.items-table .actions-cell {
    display: flex;
    gap: 8px;
    justify-content: flex-start;
    align-items: center;
    height: 100%;
    min-height: 48px;
}

.items-table .btn-sm {
    padding: 6px 8px;
    line-height: 1;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.items-table tfoot td {
    background-color: var(--gray-50);
    font-weight: 500;
}

/* Adding new styles for the copy button and quantity field */
.items-table .actions-cell {
    display: flex;
    gap: 8px;
    justify-content: flex-start;
    align-items: center;
    height: 100%;
}

.items-table .quantity-input,
.items-table .length-input {
    width: 80px;
    text-align: right;
}

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

.btn-copy:hover {
    background-color: #2563eb;
}

/* Small buttons in tables */
.btn-sm {
    padding: 6px 8px;
    line-height: 1;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

/* Form help text */
.form-help {
    display: block;
    margin-top: 4px;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.items-table td {
    height: 48px;
    vertical-align: middle;
}

.items-table .actions-cell {
    display: flex;
    gap: 8px;
    justify-content: flex-start;
    align-items: center;
    height: 100%;
}

.items-table .btn-sm {
    padding: 6px 8px;
    line-height: 1;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.items-table input.length-input,
.items-table input.quantity-input {
    width: 80px;
    text-align: right;
    padding: 4px 8px;
    height: 32px;
}

/* Информация о пользователе */
.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

/* Fix mobile navigation */
@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
    }

    .logo-container {
        justify-content: center;
        margin-bottom: 16px;
    }

    .main-nav {
        width: 100%;
        margin: 8px 0;
    }

    .main-nav ul {
        flex-direction: column;
        width: 100%;
    }

    .main-nav li {
        width: 100%;
    }

    .main-nav a {
        display: block;
        text-align: center;
        padding: 12px;
    }

    .user-info {
        justify-content: center;
        width: 100%;
        margin-top: 8px;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 16px;
        padding: 0 16px;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-row .form-group {
        flex: 1 1 100%;
    }
    
    .tab-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .tab-actions {
        width: 100%;
    }
    
    .materials-management {
        grid-template-columns: 1fr;
    }
    
    .categories-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding-right: 0;
        padding-bottom: 16px;
        margin-bottom: 16px;
    }
    
    .modal-content {
        margin: 5vh auto;
        width: 95%;
    }
    
    .modal-body {
        padding: 16px;
    }
    
    .calculation-info {
        padding: 16px;
    }
    
    .calculation-details td,
    .calculation-details th {
        padding: 8px;
    }
    
}

@media (max-width: 480px) {
    .main-content {
        padding: 16px;
    }

    .feature-card {
        padding: 16px;
    }
}

@media (max-width: 1024px) {
    .main-header {
        padding: 12px;
    }

    .main-nav ul {
        gap: 8px;
    }
}


/* Fix tabs */
.calculation-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background-color: var(--gray-100);
    padding: 8px;
    border-radius: var(--border-radius);
}

.calculation-tabs .tab-btn {
    flex: 1;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-700);
    background: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.calculation-tabs .tab-btn:hover {
    background-color: var(--gray-200);
    color: var(--primary-color);
}

.calculation-tabs .tab-btn.active {
    background-color: white;
    color: var(--primary-color);
    box-shadow: var(--box-shadow);
}

/* Fix calculation results */
.calculation-results {
    margin-top: 24px;
    padding: 24px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.calculation-results h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
}

.result-section {
    margin-bottom: 24px;
    padding: 16px;
    background-color: var(--gray-100);
    border-radius: var(--border-radius);
}

.result-section:last-child {
    margin-bottom: 0;
}

.result-section h4 {
    color: var(--primary-color);
    margin-bottom: 12px;
}

.result-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.result-section li {
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-200);
}

.result-section li:last-child {
    border-bottom: none;
}

.calculation-actions {
    margin-top: 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.btn-send-to-cost {
    background-color: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.btn-send-to-cost:hover {
    background-color: var(--primary-dark);
}