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

/* Используем Telegram Web App цветовую схему */
:root {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #2481cc;
    --tg-theme-button-color: #2481cc;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f1f1f1;
    --tg-theme-header-bg-color: #ffffff;
    --tg-theme-section-bg-color: #ffffff;
}

/* Применяем Telegram тему, если доступна */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    padding: 0;
    margin: 0;
    height: 100vh;
    overflow: hidden;
}

/* Контейнер приложения */
#app {
    height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
}

/* View контейнеры - по умолчанию скрыты */
.view {
    display: none !important;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

.view:not(.hidden) {
    display: flex !important;
    flex-direction: column;
}

.view.hidden {
    display: none !important;
}

/* Загрузка - показывается по умолчанию */
.loading {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    gap: 16px;
    background: var(--tg-theme-bg-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
}

.loading.hidden {
    display: none !important;
    visibility: hidden !important;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--tg-theme-secondary-bg-color);
    border-top-color: var(--tg-theme-button-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Заголовки */
h1, h2, h3 {
    margin: 0 0 16px 0;
    padding: 0;
    color: var(--tg-theme-text-color, #000000);
    font-weight: 600;
}

h1 {
    font-size: 24px;
    margin-bottom: 20px;
}

h2 {
    font-size: 20px;
}

h3 {
    font-size: 18px;
}

/* Кнопки */
button {
    font-family: inherit;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--tg-theme-button-color) 0%, #1e6bb8 100%);
    color: var(--tg-theme-button-text-color);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 600;
    -webkit-tap-highlight-color: transparent;
    box-shadow: 0 2px 8px rgba(36, 129, 204, 0.3);
}

button:hover {
    box-shadow: 0 4px 12px rgba(36, 129, 204, 0.4);
    transform: translateY(-1px);
}

button:active {
    transform: scale(0.97) translateY(0);
    box-shadow: 0 1px 4px rgba(36, 129, 204, 0.3);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.back-button {
    position: absolute;
    top: 12px;
    left: 16px;
    padding: 10px 16px;
    background: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color, #000000);
    font-size: 14px;
    box-shadow: none;
    border: 1px solid rgba(0,0,0,0.1);
    z-index: 10;
}

.back-button:hover {
    background: rgba(0,0,0,0.05);
    transform: translateX(-2px);
    box-shadow: none;
}

/* Карточки - аккуратный дизайн */
.card {
    background: var(--tg-theme-section-bg-color);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 16px;
    padding: 20px;
    margin: 16px;
    margin-bottom: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--tg-theme-text-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.card:hover {
    box-shadow: 0 8px 16px rgba(0,0,0,0.12);
    transform: translateY(-2px);
    border-color: rgba(36, 129, 204, 0.3);
}

.category-card, .product-card {
    background: var(--tg-theme-section-bg-color);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 16px;
    padding: 0;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.category-card:hover, .product-card:hover {
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
    transform: translateY(-4px);
    border-color: rgba(36, 129, 204, 0.3);
}

.category-card:active, .product-card:active {
    transform: scale(0.97) translateY(-2px);
}

.category-image-wrapper {
    position: relative;
    width: 100%;
    height: 140px;
    overflow: hidden;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-image, .product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    background: transparent;
    display: block;
}

.category-card:hover .category-image,
.product-card:hover .product-image {
    transform: scale(1.03);
}

.category-emoji-fallback, .category-icon-fallback {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    background: var(--tg-theme-section-bg-color);
    color: var(--tg-theme-hint-color);
    opacity: 0.6;
}

.category-icon-fallback svg {
    width: 64px;
    height: 64px;
    opacity: 0.5;
    color: var(--tg-theme-hint-color);
}

.category-card h3, .product-card h3 {
    margin: 16px 16px 8px 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--tg-theme-text-color);
    line-height: 1.4;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.category-card p, .product-card p {
    margin: 0 16px 16px 16px;
    font-size: 13px;
    color: var(--tg-theme-text-color);
    opacity: 0.75;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    background: transparent;
}

.order-card {
    background: var(--tg-theme-section-bg-color);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 16px;
    padding: 20px;
    margin: 16px;
    margin-bottom: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--tg-theme-text-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.order-card:hover {
    box-shadow: 0 8px 16px rgba(0,0,0,0.12);
    transform: translateY(-2px);
    border-color: rgba(36, 129, 204, 0.3);
}

.order-card h3 {
    color: var(--tg-theme-text-color);
    margin-bottom: 8px;
}

.order-card p {
    margin: 4px 0;
    color: var(--tg-theme-text-color);
    font-size: 14px;
    opacity: 0.8;
}

/* Сетка каталога - правильные отступы */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 16px;
    width: 100%;
}

/* Варианты товаров */
.variants-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 16px 16px 16px;
    margin-top: 16px;
}

.variant-button {
    padding: 12px 20px;
    border: 2px solid var(--tg-theme-button-color);
    border-radius: 12px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    -webkit-tap-highlight-color: transparent;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    flex: 1;
    min-width: 100px;
}

.variant-button-unselected {
    background: transparent;
    color: var(--tg-theme-button-color);
    box-shadow: none;
}

.variant-button-unselected:hover {
    background: rgba(36, 129, 204, 0.1);
    transform: translateY(-1px);
}

.variant-button-unselected:active {
    transform: scale(0.97);
}

.variant-button-selected {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
}

.variant-button-selected:active {
    transform: scale(0.97);
}

.variant-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.order-button {
    width: 100%;
    margin-top: 16px;
    padding: 14px 24px;
}

/* Сообщения в чате */
.message {
    padding: 12px 16px;
    margin-bottom: 12px;
    border-radius: 12px;
    max-width: 75%;
    word-wrap: break-word;
    background: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color);
}

.message.operator {
    background: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    margin-left: auto;
}

.message.client {
    margin-right: auto;
}

.message-time {
    font-size: 12px;
    opacity: 0.7;
    margin-top: 4px;
}

/* Списки - с отступами */
#orders-list, #categories-grid, #products-grid {
    padding: 0;
    width: 100%;
}

#product-details {
    padding: 16px;
    color: var(--tg-theme-text-color);
}

#product-details img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 16px;
    background: transparent;
}

#product-details h2 {
    margin-top: 8px;
    margin-bottom: 12px;
    color: var(--tg-theme-text-color);
}

#product-details p {
    color: var(--tg-theme-text-color);
    opacity: 0.8;
    line-height: 1.5;
}

/* ============ АДМИН И ОПЕРАТОР ПАНЕЛИ ============ */

/* Вкладки - аккуратные без налезания */
.tabs {
    display: flex;
    gap: 6px;
    padding: 12px 8px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: var(--tg-theme-bg-color);
    flex-shrink: 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.2) transparent;
}

.tabs::-webkit-scrollbar {
    height: 4px;
}

.tabs::-webkit-scrollbar-track {
    background: transparent;
}

.tabs::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
}

.tab {
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--tg-theme-text-color);
    cursor: pointer;
    white-space: nowrap;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    flex: 0 0 auto;
    min-width: fit-content;
    text-align: center;
    border-radius: 8px 8px 0 0;
    position: relative;
}

.tab:hover {
    background: rgba(255,255,255,0.05);
    border-radius: 8px 8px 0 0;
}

.tab.active {
    border-bottom-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-color);
    font-weight: 600;
    background: rgba(36, 129, 204, 0.1);
}

/* Контент вьюхи */
.view > h1 {
    padding: 16px;
    padding-top: 56px;
    margin: 0;
    flex-shrink: 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    font-size: 24px;
    font-weight: 600;
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    padding-top: 56px;
    margin: 0;
    margin-bottom: 16px;
    flex-shrink: 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: var(--tg-theme-bg-color);
    gap: 16px;
}

.view-header h1 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 24px;
    font-weight: 600;
    color: var(--tg-theme-text-color);
    border: none;
    background: transparent;
}

.view > div:not(.tabs):not(.chat-container) {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0;
    background: var(--tg-theme-bg-color);
}

/* Статистика - аккуратные карточки */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    width: 100%;
    padding: 16px;
    box-sizing: border-box;
}

.stat-card {
    background: var(--tg-theme-section-bg-color);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 16px;
    padding: 24px 20px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--tg-theme-text-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100px;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.12);
    border-color: rgba(36, 129, 204, 0.3);
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--tg-theme-button-color);
    margin-bottom: 8px;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 14px;
    color: var(--tg-theme-text-color);
    opacity: 0.75;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Списки в админке - аккуратные карточки */
.products-list, .categories-list, .operators-list, .orders-list, .variants-list {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px;
    box-sizing: border-box;
}

.list-item, .order-item {
    background: var(--tg-theme-section-bg-color);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 16px;
    padding: 20px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--tg-theme-text-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.list-item:hover, .order-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.12);
    border-color: rgba(36, 129, 204, 0.3);
}

.list-item-header, .order-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 16px;
    flex-wrap: wrap;
}

.list-item-header h3, .order-header h3 {
    margin: 0;
    color: var(--tg-theme-text-color);
    font-size: 18px;
    font-weight: 600;
    flex: 1;
    min-width: 200px;
    line-height: 1.4;
}

.list-item-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.list-item-actions button {
    padding: 8px 12px;
    font-size: 13px;
    border-radius: 8px;
    font-weight: 500;
    flex-shrink: 0;
}

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

.form-group label {
    display: block;
    color: var(--tg-theme-text-color);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
    letter-spacing: 0.2px;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    font-size: 15px;
    background: var(--tg-theme-section-bg-color);
    color: var(--tg-theme-text-color);
    font-family: inherit;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: var(--tg-theme-hint-color);
    opacity: 0.6;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--tg-theme-button-color);
    box-shadow: 0 0 0 4px rgba(36, 129, 204, 0.15);
    background: var(--tg-theme-section-bg-color);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

.action-buttons {
    display: flex;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.action-buttons button {
    flex: 1;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.btn-secondary {
    background: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color);
    box-shadow: none;
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}

.btn-secondary:active {
    background: rgba(255,255,255,0.15);
}

.btn-danger {
    background: #d32f2f;
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(211, 47, 47, 0.3);
}

.btn-danger:hover {
    background: #c62828;
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.4);
}

.btn-danger:active {
    background: #b71c1c;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--tg-theme-text-color);
    opacity: 0.6;
    font-size: 15px;
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--tg-theme-hint-color);
    font-size: 13px;
    opacity: 0.8;
    line-height: 1.4;
}

.order-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.1);
    flex-wrap: wrap;
}

.order-actions button {
    flex: 1;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    min-width: 100px;
}

/* Чат */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--tg-theme-bg-color);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px;
    background: var(--tg-theme-bg-color);
}

.chat-input-container {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
    background: var(--tg-theme-bg-color);
    flex-shrink: 0;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 24px;
    font-size: 15px;
    background: var(--tg-theme-section-bg-color);
    color: var(--tg-theme-text-color);
    font-family: inherit;
}

.chat-input:focus {
    outline: none;
    border-color: var(--tg-theme-button-color);
}

.chat-input::placeholder {
    color: var(--tg-theme-hint-color);
    opacity: 0.6;
}

.chat-send {
    padding: 12px 20px;
    border-radius: 24px;
    font-weight: 600;
    font-size: 15px;
    flex-shrink: 0;
}

/* Адаптивность */
@media (max-width: 600px) {
    .catalog-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        padding: 12px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 12px;
    }
    
    .tabs {
        padding: 10px 6px;
        gap: 4px;
    }
    
    .tab {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .category-image-wrapper {
        height: 120px;
    }
    
    .category-icon-fallback svg {
        width: 56px;
        height: 56px;
    }
    
    .category-card h3, .product-card h3 {
        font-size: 14px;
        margin: 14px 14px 6px 14px;
        min-height: 40px;
    }
    
    .category-card p, .product-card p {
        font-size: 12px;
        margin: 0 14px 14px 14px;
    }
}