/* ==========================================================================
   1. БАЗОВЫЕ СТИЛИ И ПЕРЕМЕННЫЕ
   ========================================================================== */
:root {
    --tg-theme-bg-color: #17212b;
    --tg-theme-text-color: #ffffff;
    --tg-theme-hint-color: #708499;
    --tg-theme-button-color: #2481cc;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #222e3c;
    --tg-theme-destructive-text-color: #e53935;

    --border-radius-lg: 12px;
    --border-radius-md: 8px;
    --transition-speed: 0.2s;
    --border-color: rgba(112, 132, 153, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    margin: 0; padding: 15px; padding-top: 65px;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
}
* { box-sizing: border-box; }
h2, h3, h4 { margin-top: 0; margin-bottom: 15px; font-weight: 600; }

/* ==========================================================================
   2. СТРУКТУРА И ОБЩИЕ КЛАССЫ
   ========================================================================== */
.page { display: none; animation: fadeIn var(--transition-speed) ease-out; }
.page.active { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.page-header h2 { margin: 0; }
.hidden { display: none !important; }
.cursor-pointer { cursor: pointer; }

.card {
    background-color: var(--tg-theme-secondary-bg-color);
    padding: 15px; border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

/* ==========================================================================
   3. КОМПОНЕНТ: НАВИГАЦИЯ
   ========================================================================== */
.nav { position: fixed; top: 0; left: 0; right: 0; display: flex; overflow-x: auto; gap: 8px; padding: 10px 15px; border-bottom: 1px solid var(--border-color); background-color: var(--tg-theme-bg-color); z-index: 100; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav-btn { flex-shrink: 0; padding: 8px 12px; border: none; background-color: var(--tg-theme-secondary-bg-color); color: var(--tg-theme-hint-color); border-radius: var(--border-radius-md); cursor: pointer; font-size: 14px; font-weight: 500; }
.nav-btn.active { background-color: var(--tg-theme-button-color); color: var(--tg-theme-button-text-color); }

/* ==========================================================================
   4. КОМПОНЕНТ: КНОПКИ
   ========================================================================== */
button { transition: all 0.1s ease; }
@media (hover: hover) { button:not(:disabled):hover { opacity: 0.85; } }
button:not(:disabled):active { transform: scale(0.97); opacity: 1; }

.add-item-btn { width: auto; padding: 8px 14px; font-size: 14px; border: none; border-radius: var(--border-radius-md); background-color: var(--tg-theme-button-color); color: var(--tg-theme-button-text-color); cursor: pointer; font-weight: 500; display: flex; align-items: center; justify-content: center; gap: 6px; }
.btn-outline { background-color: transparent !important; border: 1px solid var(--tg-theme-hint-color) !important; color: var(--tg-theme-text-color) !important; width: 100%; margin-top: 15px; }
@media (hover: hover) { .btn-outline:not(:disabled):hover { background-color: var(--tg-theme-secondary-bg-color) !important; border-color: var(--tg-theme-text-color) !important; opacity: 1; } }

/* ==========================================================================
   5. КОМПОНЕНТ: ФОРМЫ
   ========================================================================== */
.form-container { margin-top: 15px; }
.form-container.card { margin-top: 0; }
.form-container input, .form-container textarea, #user-search { width: 100%; padding: 12px; margin-bottom: 10px; border-radius: var(--border-radius-md); border: 1px solid var(--tg-theme-bg-color); background-color: var(--tg-theme-bg-color); color: var(--tg-theme-text-color); font-size: 16px; }
.form-container input:focus, .form-container textarea:focus, #user-search:focus { outline: none; border-color: var(--tg-theme-button-color); }
textarea { resize: vertical; }

.form-buttons { display: flex; gap: 10px; margin-top: 10px; }
.form-buttons button { flex-grow: 1; font-size: 16px; padding: 12px; border: none; border-radius: var(--border-radius-md); cursor: pointer; font-weight: 500; }
.save-btn { background-color: var(--tg-theme-button-color); color: var(--tg-theme-button-text-color); }
.cancel-btn {
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    border: 1px solid var(--border-color);
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}
@media (hover: hover) {
    .cancel-btn:hover {
        color: var(--tg-theme-button-color);
        border-color: var(--tg-theme-button-color);
        opacity: 1;
    }
}

.form-container:not(.hidden) { animation: slideInUp 0.3s ease-out; }
@keyframes slideInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ==========================================================================
   6. КОМПОНЕНТ: СПИСКИ ЭЛЕМЕНТОВ (ЕДИНЫЙ СТИЛЬ КАРТОЧЕК)
   ========================================================================== */
.item-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 15px;
}
.item-grid-entry {
    background-color: var(--tg-theme-secondary-bg-color);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    padding: 15px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-speed) ease;
}
@media (hover: hover) {
    .item-grid-entry:hover {
        border-color: var(--tg-theme-button-color);
        transform: translateY(-3px);
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    }
}
.item-grid-entry.interactive {
    cursor: pointer;
}

.item-grid-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}
.item-grid-header strong {
    font-size: 1.1em;
    font-weight: 600;
    padding-right: 50px;
    word-break: break-all;
}
.item-grid-header .item-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
}
.item-actions button {
    background: none; border: none; cursor: pointer;
    padding: 5px; margin-left: 2px;
    color: var(--tg-theme-hint-color);
}
.item-actions button:hover { color: var(--tg-theme-text-color); }

.item-grid-details {
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9em;
    color: var(--tg-theme-hint-color);
}
.item-grid-entry.deleting { transition: opacity 0.3s ease, max-height 0.4s ease, padding 0.4s ease, margin 0.4s ease; opacity: 0; max-height: 0; padding-top: 0 !important; padding-bottom: 0 !important; margin-bottom: 0 !important; border-width: 0; overflow: hidden; }
/* ==========================================================================
   7. КОМПОНЕНТ: МОДАЛЬНОЕ ОКНО
   ========================================================================== */
.modal-backdrop {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}
.modal-content {
    background: var(--tg-theme-secondary-bg-color);
    padding: 20px;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 400px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-shrink: 0;
}
.modal-header h3 { margin: 0; font-size: 1.2em; }
.close-btn { background: none; border: none; cursor: pointer; padding: 5px; color: var(--tg-theme-hint-color); }
.close-btn:hover { color: var(--tg-theme-text-color); }

/* Стили для поиска и подзаголовков внутри модального окна */
.modal-content p,
.modal-content input[type="search"] {
    margin: 0 0 15px 0;
    color: var(--tg-theme-hint-color);
    flex-shrink: 0;
}
.modal-content input[type="search"] {
    width: 100%; padding: 10px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    font-size: 16px;
}
.modal-content input[type="search"]:focus {
    outline: none;
    border-color: var(--tg-theme-button-color);
}

/* Контейнер для прокручиваемого списка */
.modal-list-container {
    overflow-y: auto;
    margin: 0 -10px;
    padding: 0 5px;
}

/* Стили для СТРОКИ списка ВНУТРИ модального окна */
.modal-list-container .item-list-entry {
    display: flex;
    align-items: center;
    background-color: var(--tg-theme-bg-color);
    border-radius: var(--border-radius-md);
    padding: 12px 15px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--border-color);
}
@media (hover: hover) {
    .modal-list-container .item-list-entry:hover {
        border-color: var(--tg-theme-button-color);
        background-color: var(--tg-theme-secondary-bg-color);
    }
}
.modal-list-container .item-info {
    flex-grow: 1;
}
.modal-list-container .item-info strong {
    font-size: 1em; /* Уменьшаем для компактности */
    font-weight: 600;
}
/* ИСПРАВЛЕНИЕ: Стили для второй строки информации */
.modal-list-container .item-info small {
    display: flex; /* Выравниваем иконку и текст */
    align-items: center;
    gap: 6px;
    color: var(--tg-theme-hint-color);
    font-size: 0.9em;
    margin-top: 4px;
}
.modal-list-container .item-list-entry:hover {
    border-color: var(--tg-theme-button-color);
}
.modal-list-container .item-list-entry .item-info {
    flex-grow: 1;
}
.modal-list-container .item-list-entry i.feather {
    color: var(--tg-theme-hint-color);
    flex-shrink: 0;
    margin-left: 10px;
}
.modal-list-container .item-info i.feather {
    width: 1em; height: 1em;
    stroke-width: 2.5;
}

/* ==========================================================================
   8. СТИЛИ ДЛЯ КОНКРЕТНЫХ СТРАНИЦ
   ========================================================================== */
/* --- Страница: Дашборд --- */
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat-card { text-align: center; }
.stat-card .value { font-size: 28px; font-weight: bold; }
.stat-card .label { font-size: 14px; color: var(--tg-theme-hint-color); }
.chart-container { margin-top: 20px; }

/* --- Страница: Поиск пользователей --- */
#user-search { background-color: var(--tg-theme-secondary-bg-color); border-color: var(--border-color); }
#user-search:focus { background-color: var(--tg-theme-secondary-bg-color); }

/* --- Страница: Рассылка --- */
.card-selection-container { display: flex; gap: 10px; margin: 10px -15px 0 -15px; padding: 0 15px 10px 15px; overflow-x: auto; scrollbar-width: none; }
.card-selection-container::-webkit-scrollbar { display: none; }
.card-item { flex-shrink: 0; width: 150px; background-color: var(--tg-theme-bg-color); border: 1px solid var(--border-color); border-radius: var(--border-radius-lg); padding: 12px; cursor: pointer; transition: all var(--transition-speed) ease-in-out; text-align: center; }
.card-item:hover { border-color: var(--tg-theme-hint-color); }
.card-item.selected { border-color: var(--tg-theme-button-color); box-shadow: 0 0 12px 0px rgba(36, 129, 204, 0.5); }
.card-item-name { font-weight: 600; margin-bottom: 6px; }
.card-item-details { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 0.9em; opacity: 0.8; }
.card-item.selected .card-item-details { opacity: 1; color: var(--tg-theme-text-color); }
.card-item .selected-icon { display: none; }
.card-item.selected .selected-icon { display: inline-block; }
.form-step { margin-bottom: 30px; }
.form-step h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 15px; font-size: 1.1em; }
.step-number { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background-color: var(--tg-theme-button-color); color: var(--tg-theme-button-text-color); font-size: 0.9em; font-weight: 600; }
.form-hint { font-size: 0.9em; color: var(--tg-theme-hint-color); margin-top: -10px; margin-bottom: 10px; }
.mailing-preview-container { background-color: var(--tg-theme-bg-color); border-radius: var(--border-radius-lg); padding: 15px; border: 1px solid var(--border-color); }
.telegram-preview-wrapper { background-color: var(--tg-theme-bg-color); border-radius: var(--border-radius-lg); padding: 15px; border: 1px solid var(--border-color); }
.telegram-message { display: flex; gap: 10px; }
.telegram-avatar { width: 42px; height: 42px; border-radius: 50%; background-color: var(--tg-theme-button-color); color: var(--tg-theme-button-text-color); display: flex; align-items: center; justify-content: center; font-size: 24px; flex-shrink: 0; }
.telegram-content { display: flex; flex-direction: column; }
.telegram-name { font-weight: 600; color: var(--tg-theme-button-color); margin-bottom: 4px; }
#mailing-preview-content { word-wrap: break-word; white-space: pre-wrap; }
#mailing-preview-content .preview-placeholder { color: var(--tg-theme-hint-color); margin: 0; }
.mailing-summary { display: flex; align-items: center; gap: 10px; padding: 12px; margin-top: 20px; background-color: var(--tg-theme-bg-color); border: 1px solid var(--border-color); border-radius: var(--border-radius-md); color: var(--tg-theme-hint-color); font-size: 0.9em; }
.mailing-summary.hidden { display: none; }
.mailing-summary i { color: var(--tg-theme-button-color); }
.mailing-summary strong { color: var(--tg-theme-text-color); }
#send-mailing-btn { display: flex; align-items: center; justify-content: center; gap: 8px; background-color: var(--tg-theme-button-color); color: var(--tg-theme-button-text-color); }
#send-mailing-btn:disabled { background-color: var(--tg-theme-secondary-bg-color); color: var(--tg-theme-hint-color); cursor: not-allowed; opacity: 0.7; border: 1px solid var(--border-color); }
#send-mailing-btn .user-count { font-weight: 400; opacity: 0.8; }
.select-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    border-radius: var(--border-radius-md);
    background-color: var(--tg-theme-bg-color);
    border: 1px solid var(--border-color);
    color: var(--tg-theme-text-color);
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}
.select-trigger:hover {
    border-color: var(--tg-theme-button-color);
}
#select-tariff-text.placeholder {
    color: var(--tg-theme-hint-color);
}

.modal-content .item-list-entry { /* Стили для элементов списка в модальном окне */
    cursor: pointer;
}
.modal-content .item-list-entry:hover {
    background-color: var(--tg-theme-bg-color);
}

/* --- Страница: Промокоды --- */
.item-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; margin-top: 15px; }
.item-grid-entry { background-color: var(--tg-theme-secondary-bg-color); border-radius: var(--border-radius-lg); border: 1px solid var(--border-color); padding: 15px; display: flex; flex-direction: column; }
.item-grid-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.item-grid-header strong { font-size: 1.2em; font-family: 'Courier New', Courier, monospace; color: var(--tg-theme-button-color); word-break: break-all; }
.item-grid-details { margin-top: auto; padding-top: 10px; border-top: 1px solid var(--border-color); font-size: 0.9em; color: var(--tg-theme-hint-color); }
.empty-state-message { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 40px 20px; background-color: var(--tg-theme-secondary-bg-color); border: 1px dashed var(--border-color); border-radius: var(--border-radius-lg); color: var(--tg-theme-hint-color); margin-top: 15px; }
.empty-state-message i { width: 48px; height: 48px; margin-bottom: 15px; stroke-width: 1.5; }
.empty-state-message strong { font-size: 1.1em; color: var(--tg-theme-text-color); margin-bottom: 5px; }

/* --- Страница: Интеграции --- */
.integration-card { padding: 20px; }
.integration-header { display: flex; align-items: center; gap: 12px; margin-bottom: 15px; }
.integration-header .header-icon { width: 28px; height: 28px; color: var(--tg-theme-button-color); }
.integration-header h3 { margin: 0; font-size: 1.2em; }
.api-key-wrapper { display: flex; align-items: center; justify-content: space-between; background-color: var(--tg-theme-bg-color); border: 1px solid var(--border-color); border-radius: var(--border-radius-md); padding: 12px 15px; margin-top: 15px; cursor: pointer; transition: all var(--transition-speed) ease; }
.api-key-wrapper:hover { border-color: var(--tg-theme-button-color); }
#api-key-field { font-family: 'Courier New', Courier, monospace; font-weight: 600; font-size: 1.1em; color: var(--tg-theme-text-color); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#copy-icon { color: var(--tg-theme-hint-color); flex-shrink: 0; margin-left: 10px; }
.warning-text { display: flex; align-items: center; gap: 8px; background-color: rgba(229, 57, 53, 0.1); color: var(--tg-theme-destructive-text-color); padding: 10px; border-radius: var(--border-radius-md); margin-top: 20px; font-size: 0.9em; }
.btn-destructive { width: 100%; padding: 10px 16px; margin-top: 15px; font-size: 15px; border: none; border-radius: var(--border-radius-md); background-color: var(--tg-theme-destructive-text-color); color: var(--tg-theme-button-text-color); cursor: pointer; font-weight: 500; display: flex; align-items: center; justify-content: center; gap: 8px; }

/* ИСПРАВЛЕНИЕ: Более сильный селектор для иконки предупреждения */
#page-integrations .warning-text i.feather {
    width: 40px !important;
    height: 40px !important;
    stroke-width: 1.5 !important;
}

/* ==========================================================================
   9. ПРОЧЕЕ
   ========================================================================== */
.pagination-container { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 20px; }
.spinner { margin: 40px auto; 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); } }

/* ==========================================================================
   10. УЛУЧШЕННЫЕ СТИЛИ ДЛЯ МОДАЛЬНОГО ОКНА ВЫБОРА (В РАССЫЛКЕ)
   ========================================================================== */

/* Увеличиваем ширину модального окна для удобства */
.modal-content {
    max-width: 500px;
}

/* Стили для поля поиска внутри модального окна */
#tariff-modal-search {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border-radius: var(--border-radius-md);
    background-color: var(--tg-theme-bg-color);
    border: 1px solid var(--border-color);
    color: var(--tg-theme-text-color);
    font-size: 16px;
}
#tariff-modal-search:focus {
    outline: none;
    border-color: var(--tg-theme-button-color);
}

/* Улучшаем вид списка тарифов в модальном окне */
.modal-sub-list .item-list-entry {
    background-color: var(--tg-theme-bg-color);
    border-radius: var(--border-radius-md);
    padding: 12px 15px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 1px solid transparent; /* Скрытая рамка */
}

@media (hover: hover) {
    .modal-sub-list .item-list-entry:hover {
        background-color: var(--tg-theme-secondary-bg-color);
        border-color: var(--tg-theme-button-color);
    }
}

.modal-sub-list .item-info small {
    color: var(--tg-theme-hint-color);
}

.modal-sub-list .item-list-entry i.feather {
    color: var(--tg-theme-hint-color);
}

/* --- Улучшение чекбоксов в форме тарифа --- */
.checklist-container {
    background-color: var(--tg-theme-bg-color);
    padding: 10px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    max-height: 150px;
    overflow-y: auto;
}
.channel-toggle-btn {
    display: flex; align-items: center; gap: 8px;
    width: 100%; padding: 10px; margin-bottom: 8px;
    border-radius: var(--border-radius-md); text-align: left;
    cursor: pointer; font-size: 15px;
    background-color: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color);
    border: 1px solid var(--border-color);
}
.channel-toggle-btn.linked {
    border-color: var(--tg-theme-button-color);
    background-color: var(--tg-theme-button-color);
    color: var(--tg-theme-button-text-color);
    font-weight: 500;
}
.channel-toggle-btn:last-child { margin-bottom: 0; }

/* --- Улучшение окна выбора тарифа в "Рассылках" --- */
.modal-content .item-list-entry {
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed) ease;
}
.modal-content .item-list-entry:hover {
    background-color: var(--tg-theme-bg-color);
}

#grant-list {
    display: grid;
    /* Создаем 2 колонки, каждая занимает равное пространство (1fr) */
    grid-template-columns: 1fr 1fr;
    gap: 10px; /* Отступ между кнопками */
}

#grant-list button {
    /* Эти стили мы уже задавали ранее в .save-btn, но продублируем для надежности */
    width: 100%; /* Растягиваем на всю ширину ячейки грида */
    padding: 12px 8px;
    font-size: 14px;
    text-align: center;
    /* Добавляем обрезку длинного текста */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}