/* assets/css/chat_style.css */

/* Chat Feature Styles - Original + Enhancements */
#chat-bubble-icon {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: #FF69B4; /* Màu hồng đậm chủ đạo của bạn */
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 9998;
    transition: transform 0.2s ease-out, background-color 0.2s, opacity 0.3s ease, visibility 0.3s ease;
}
#chat-bubble-icon:hover {
    transform: scale(1.1);
    background-color: #E05A9A; /* Màu hồng đậm hơn khi hover */
}
#chat-global-unread-count.chat-unread-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    /* Các style khác của chat-unread-badge ở dưới sẽ áp dụng */
}

#chat-widget-container {
    position: fixed;
    bottom: 95px; /* Ngay trên bubble */
    right: 25px;
    width: 370px; /* Tăng nhẹ chiều rộng */
    max-width: calc(100vw - 40px);
    height: 520px; /* Tăng nhẹ chiều cao */
    max-height: calc(100vh - 110px);
    background-color: #fff;
    border: 1px solid #E0E0E0;
    border-radius: 12px; /* Bo tròn hơn */
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15); /* Bóng đổ rõ hơn */
    z-index: 9997;
    display: none;
    flex-direction: column;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; /* Font hệ thống hiện đại hơn */
}

/* Header chính của widget */
#chat-widget-main-header {
    background-color: #F8F9FA;
    padding: 12px 18px;
    border-bottom: 1px solid #E0E0E0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #333;
    flex-shrink: 0;
}
#chat-widget-title { font-size: 1.1em; }
#chat-widget-close-btn {
    background: none; border: none; font-size: 1.6em; color: #888; cursor: pointer; padding: 0 5px; line-height: 1;
}
#chat-widget-close-btn:hover { color: #555; }

/* Panel chung */
.chat-panel {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    overflow: hidden;
    background-color: #fff;
}
.chat-panel:not(.active) { display: none !important; }

/* Header của các panel con (Tạo nhóm, Cài đặt nhóm, Chat 1-1, Chat nhóm) */
.chat-panel-header, #chat-conversation-header, #chat-group-conversation-header {
    background-color: #F8F9FA;
    padding: 12px 18px; /* Đồng bộ padding với header chính */
    border-bottom: 1px solid #E0E0E0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1em; /* Kích thước chuẩn */
    color: #333;
    flex-shrink: 0;
}
.chat-panel-header > span, #chat-conversation-partner-info > span, #chat-group-conversation-info > span {
    flex-grow: 1; text-align: center; margin: 0 10px; font-weight: 600;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.chat-back-btn {
    background: none; border: none; font-size: 1.5em; color: #6c757d; cursor: pointer; padding: 0 8px 0 0;
    line-height: 1;
}
.chat-back-btn:hover { color: #343a40; }


/* Main Panel: Search, Tabs */
#chat-main-panel #chat-search-area {
    display: flex;
    padding: 12px 15px;
    border-bottom: 1px solid #E9ECEF;
    align-items: center; /* QUAN TRỌNG: Căn các item theo chiều dọc */
    flex-shrink: 0;
    background-color: #fff;
    position: relative;
}

#chat-main-panel #chat-search-input {
    flex-grow: 1; /* Cho phép input chiếm không gian còn lại */
    padding: 10px 15px;
    border: 1px solid #CED4DA;
    border-radius: 20px;
    font-size: 0.9em;
    margin-right: 10px; /* Khoảng cách với nút + */
    outline: none;
    /* box-sizing: border-box; -- Thường không cần nếu không có padding/border lớn làm ảnh hưởng width/height */
}

#chat-main-panel #chat-create-group-btn {
    background-color: #FF69B4;
    color: white;
    border: none;
    border-radius: 50%;
    width: 38px;         /* Đảm bảo width và height bằng nhau */
    height: 38px;
    font-size: 1.7em;
    /* line-height: 36px; -- Thử bỏ hoặc điều chỉnh nếu cần */
    display: flex;        /* Dùng flex để căn dấu + vào giữa nút */
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    flex-shrink: 0;      /* Không cho nút bị co lại */
    transition: background-color 0.2s;
    padding: 0; /* Bỏ padding nếu dấu + được căn bằng flex */
}

#chat-main-panel #chat-create-group-btn:hover { background-color: #E05A9A; }

#chat-search-results-container {
    max-height: 280px;
    overflow-y: auto;
    border-bottom: 1px solid #E9ECEF;
    background-color: #fff;
    position: absolute;
    width: calc(100% - 30px); /* Bằng width của search-area trừ padding L/R */
    left: 15px; /* Khớp padding của search-area */
    top: calc(12px + 38px + 12px); /* Padding-top + height của input + padding-bottom (ước lượng) */
    z-index: 100;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border-radius: 0 0 8px 8px;
}
.chat-search-result-item {
    display: flex; align-items: center; padding: 10px 15px; cursor: pointer; border-bottom: 1px solid #f0f0f0;
}
.chat-search-result-item:last-child { border-bottom: none; }
.chat-search-result-item:hover { background-color: #f8f9fa; }
.search-item-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; margin-right: 12px; border: 1px solid #eee;}
.search-item-details { flex-grow: 1; display: flex; flex-direction: column; }
.search-item-name { font-size: 0.95em; font-weight: 500; color: #333; }
.search-item-subtext { font-size: 0.8em; color: #6c757d; }
.chat-search-action-btn {
    padding: 6px 14px; font-size: 0.85em; border-radius: 15px; border: 1px solid #FF69B4;
    background-color: #fff; color: #FF69B4; cursor: pointer; transition: all 0.2s;
    margin-left: auto; font-weight: 500;
}
.chat-search-action-btn:hover { background-color: #FF69B4; color: white; }
.chat-search-action-btn.disabled, .chat-search-action-btn:disabled {
    background-color: #e9ecef; color: #6c757d; border-color: #ced4da; cursor: not-allowed;
}

#chat-tabs-container {
    display: flex;
    border-bottom: 1px solid #DEE2E6;
    flex-shrink: 0;
    background-color: #fff;
}
.chat-tab-btn {
    flex: 1;
    padding: 14px 10px;
    text-align: center;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1em;
    color: #6C757D;
    transition: color 0.2s, border-color 0.2s;
    font-weight: 500;
}
.chat-tab-btn.active {
    color: #FF69B4 !important;
    border-bottom-color: #FF69B4 !important;
    font-weight: 600;
}


/* List Panel (Bạn bè, Nhóm) */
.chat-list-panel { background-color: #fff; /* Đảm bảo nền trắng */}
#chat-friend-list-content, #chat-group-list-content {
    overflow-y: auto;
    padding: 0;
    flex-grow: 1;
}
.chat-loading-text {
    text-align: center; color: #888; padding: 25px; font-size: 0.9em;
}
.chat-list-item { /* class chung cho friend và group item */
    display: flex; align-items: center; padding: 12px 18px;
    cursor: pointer; transition: background-color 0.15s ease; border-bottom: 1px solid #f0f0f0;
}
.chat-list-item:last-child { border-bottom: none; }
.chat-list-item:hover { background-color: #f8f9fa; }

.chat-item-avatar {
    width: 48px; height: 48px;
    border-radius: 50%; object-fit: cover; margin-right: 15px; flex-shrink: 0; border: 1px solid #f0f0f0;
}
.chat-item-info {
    flex-grow: 1; display: flex; flex-direction: column; overflow: hidden;
    justify-content: center;
}
.chat-item-name {
    font-size: 1em; color: #212529; font-weight: 500;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 3px;
}
.chat-item-last-message {
    font-size: 0.85em; color: #5f6368; /* Màu dễ đọc hơn */
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.chat-item-meta {
    display: flex; flex-direction: column; align-items: flex-end;
    font-size: 0.75em; color: #80868b;
    margin-left: 10px; flex-shrink: 0; text-align: right;
}
.chat-item-timestamp { margin-bottom: 5px; }
.chat-unread-badge {
    background-color: #FF3B30; color: white; font-size: 0.7em; font-weight: bold;
    padding: 3px 7px; border-radius: 10px; min-width: 18px;
    text-align: center; line-height: 1; margin-left: 8px; flex-shrink: 0;
}


/* Conversation Panel (1-1) & Group Conversation Panel - Shared Styles */
#chat-conversation-partner-info, #chat-group-conversation-info {
    display: flex; align-items: center; flex-grow: 1; margin: 0 10px; overflow: hidden;
}
#chat-partner-avatar-small, #chat-group-avatar-small {
    width: 38px; height: 38px; border-radius: 50%; object-fit: cover; margin-right: 10px; flex-shrink: 0;
}
#chat-partner-name, #chat-group-name-display { font-weight: 600; }

#chat-group-settings-btn {
    background: none; border: none; font-size: 1.5em; color: #6c757d; cursor: pointer; padding: 0 5px;
}
#chat-group-settings-btn:hover { color: #343a40; }

#chat-group-pinned-messages-area {
    background-color: #f0f6ff; /* Nền nhạt hơn một chút */
    padding: 10px 18px;
    border-bottom: 1px solid #d6e7ff;
    font-size: 0.85em;
    flex-shrink: 0;
    max-height: 100px;
    overflow-y: auto;
}
.pinned-message-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 6px 0; border-bottom: 1px dashed #cce5ff;
    color: #004085;
}
.pinned-message-item:last-child { border-bottom: none; }
.pinned-message-main { flex-grow: 1; display: flex; flex-direction: column; overflow: hidden; margin-right: 8px; }
.pinned-message-item .pinned-sender { font-weight: bold; font-size: 0.9em; margin-bottom: 2px; }
.pinned-message-item .pinned-content {
    font-size: 0.95em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.unpin-action-btn { background: none; border: none; color: #6c757d; cursor: pointer; font-size: 1.3em; padding: 2px 5px; }
.unpin-action-btn:hover { color: #004085; }


#chat-messages-display-area, #chat-group-messages-display-area {
    flex-grow: 1; overflow-y: auto; padding: 18px; background-color: #FDFDFD; /* Nền sáng hơn nữa */
    display: flex; flex-direction: column;
}
.chat-message-wrapper {
    display: flex; margin-bottom: 12px; max-width: 85%;
}
.chat-message-wrapper.sent { align-self: flex-end; }
.chat-message-wrapper.received { align-self: flex-start; }
.chat-message-content {
    padding: 10px 15px; border-radius: 18px; font-size: 0.95em;
    line-height: 1.45; word-wrap: break-word; position: relative;
}
.chat-message-wrapper.sent .chat-message-content {
    background-color: #FFC0CB; color: #212529; border-bottom-right-radius: 5px;
}
.chat-message-wrapper.received .chat-message-content {
    background-color: #E9ECEF; color: #212529; border-bottom-left-radius: 5px;
}
.chat-message-timestamp {
    font-size: 0.7em; color: #777; margin-top: 6px; display: block; clear: both;
}
.chat-message-wrapper.sent .chat-message-timestamp { text-align: right; }
.chat-message-wrapper.received .chat-message-timestamp { text-align: left; }

.group-message-sender-name {
    font-size: 0.8em; color: #495057; margin-bottom: 4px; margin-left: 2px; font-weight: 500;
}
.chat-message-wrapper.received .group-message-sender-name { display: block; }
.chat-message-wrapper.sent .group-message-sender-name { display: none; }


/* Khu vực input tin nhắn */
#chat-message-input-area, #chat-group-message-input-area {
    display: flex; align-items: flex-end; padding: 12px 18px;
    border-top: 1px solid #E0E0E0; background-color: #fff; flex-shrink: 0;
}
#chat-message-input, #chat-group-message-input {
    flex-grow: 1; padding: 12px 18px; border: 1px solid #CED4DA;
    border-radius: 22px; resize: none; font-size: 0.95em;
    margin-right: 10px; line-height: 1.4; min-height: 22px; max-height: 100px;
    overflow-y: auto; box-sizing: border-box;
}
#chat-send-message-button, #chat-send-group-message-button {
    background-color: #FF69B4; color: white; border: none; border-radius: 22px;
    padding: 0px 20px; /* 0 padding top/bottom để height kiểm soát */
    font-weight: 600; cursor: pointer; transition: background-color 0.2s;
    align-self: center; height: 46px; line-height: 46px; /* Căn chữ giữa nút */
}
#chat-send-message-button:hover, #chat-send-group-message-button:hover { background-color: #E05A9A; }


/* Create Group Panel */
#chat-create-group-form-content { padding: 20px 25px; overflow-y: auto; flex-grow: 1; }
#form-create-group div { margin-bottom: 20px; }
#form-create-group label { display: block; font-size: 0.95em; color: #495057; margin-bottom: 8px; font-weight: 500; }
#form-create-group input[type="text"], #form-create-group textarea {
    width: 100%; padding: 12px 15px; border: 1px solid #ced4da; border-radius: 8px; box-sizing: border-box; font-size: 0.95em;
    outline: none;
}
#form-create-group input[type="text"]:focus, #form-create-group textarea:focus {
    border-color: #FF69B4; box-shadow: 0 0 0 0.2rem rgba(255,105,180,.25);
}
#form-create-group textarea { min-height: 80px; resize: vertical; }
#submit-create-new-group-btn {
    display: block; width: 100%; padding: 14px; background-color: #FF69B4; color: white;
    border: none; border-radius: 8px; font-size: 1em; font-weight: 500; cursor: pointer; transition: background-color 0.2s;
}
#submit-create-new-group-btn:hover { background-color: #E05A9A; }

/* Group Settings Panel */
#chat-group-settings-content {
    padding: 0;
    overflow-y: auto; flex-grow: 1; font-size: 0.9em;
}
.settings-section {
    margin-bottom: 0;
    padding: 18px 22px;
    border-bottom: 1px solid #e9ecef;
}
.settings-section:last-child { border-bottom: none; }
.settings-section h4 { font-size: 1.1em; color: #343a40; margin-top:0; margin-bottom: 18px; font-weight: 600; }
.settings-section label:not(.switch) { display: block; margin-bottom: 8px; font-weight: 500; color: #495057; }
.settings-section input[type="text"], .settings-section textarea {
    width: 100%; padding: 10px 12px; border: 1px solid #ced4da; border-radius: 6px; margin-bottom: 12px; box-sizing: border-box;
    outline: none;
}
.settings-section input[type="text"]:focus, .settings-section textarea:focus {
    border-color: #FF69B4; box-shadow: 0 0 0 0.2rem rgba(255,105,180,.25);
}
.settings-section .setting-toggle { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.settings-section .setting-toggle span:first-child { flex-grow: 1; margin-right: 10px; font-size: 0.95em; }

/* Toggle switch */
.switch { position: relative; display: inline-block; width: 50px; height: 24px; flex-shrink: 0;}
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .4s; border-radius: 24px; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: #FF69B4; }
input:checked + .slider:before { transform: translateX(26px); }

#group-members-list { margin-top: 15px; }
.chat-group-member-item {
    display: flex; align-items: center; padding: 12px 0; border-bottom: 1px solid #f1f3f5;
}
.chat-group-member-item:last-child { border-bottom: none; }
.member-avatar { width: 40px; height: 40px; border-radius: 50%; margin-right: 12px; flex-shrink: 0;}
.member-info { flex-grow: 1; display: flex; flex-direction: column; }
.member-name { font-weight: 500; color: #212529; }
.member-role { font-size: 0.85em; color: #6c757d; }
.member-actions { margin-left: auto; display: flex; gap: 8px; }
.member-actions button {
    font-size: 0.85em; padding: 6px 12px; border-radius: 5px; cursor: pointer;
    border: 1px solid #ced4da; background-color: #f8f9fa; color: #495057; transition: all 0.2s;
}
.member-actions button:hover { background-color: #e9ecef; border-color: #adb5bd; }
.member-actions .btn-promote { border-color: #28a745; color: #28a745; }
.member-actions .btn-promote:hover { background-color: #28a745; color: white; }
.member-actions .btn-demote { border-color: #ffc107; color: #ffc107; }
.member-actions .btn-demote:hover { background-color: #ffc107; color: #212529; }
.member-actions .btn-danger { border-color: #dc3545; color: #dc3545; }
.member-actions .btn-danger:hover { background-color: #dc3545; color: white; }
.member-actions button:disabled { background-color: #e9ecef; color: #adb5bd; border-color: #ced4da; cursor: not-allowed;}


.settings-section .setting-action-btn {
    display: block; width: 100%; padding: 12px; text-align: center;
    border: 1px solid; border-radius: 6px; cursor: pointer; margin-top: 15px; font-weight: 500;
}
#leave-group-btn { border-color: #ffc107; color: #856404; background-color: #fff3cd; }
#leave-group-btn:hover { background-color: #ffeeba; }
#delete-group-btn { border-color: #f5c6cb; color: #721c24; background-color: #f8d7da; }
#delete-group-btn:hover { background-color: #f1b0b7; }

/* Context Menu */
#chat-message-context-menu {
    position: absolute;
    z-index: 10000;
    background-color: white;
    border: 1px solid #ccc;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    border-radius: 6px;
    padding: 5px 0;
    min-width: 150px;
    font-size: 0.9em;
}
#chat-message-context-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
#chat-message-context-menu li {
    padding: 8px 15px;
    cursor: pointer;
    transition: background-color 0.15s;
}
#chat-message-context-menu li:hover {
    background-color: #f5f5f5;
}
#chat-message-context-menu li.disabled {
    color: #aaa;
    cursor: not-allowed;
    background-color: transparent !important; /* Override hover */
}
#chat-message-context-menu li.separator {
    height: 1px;
    background-color: #eee;
    margin: 5px 0;
    padding: 0;
}


/* Responsive */
@media (max-width: 480px) {
    #chat-widget-container {
        width: 100%;
        height: 100%;
        bottom: 0;
        right: 0;
        left: 0;
        border-radius: 0;
        border: none;
        box-sizing: border-box;
        margin: 0;
        padding: 0;
        max-width: 100vw; /* Đảm bảo không vượt quá */
        max-height: 100vh; /* Đảm bảo không vượt quá */
    }
    #chat-widget-main-header,
    .chat-panel-header, #chat-conversation-header, #chat-group-conversation-header,
    #chat-main-panel #chat-search-area,
    #chat-tabs-container,
    #chat-message-input-area, #chat-group-message-input-area {
        width: 100%;
        box-sizing: border-box;
        margin-left: 0;
        margin-right: 0;
    }
    #chat-message-input-area, #chat-group-message-input-area {
        padding: 10px 12px;
        padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 12px); /* Cho notch iPhone */
    }
    #chat-search-results-container {
        /* Điều chỉnh lại top và width nếu cần trên mobile */
        width: calc(100% - 30px); /* Nếu search-area có padding 15px */
        left: 15px;
        top: calc(12px + 38px + 12px + 1px); /* search-area padding-top + input height + padding-bottom + border */
    }
    .chat-message-wrapper { max-width: 90%; } /* Tin nhắn có thể rộng hơn trên mobile */
}

/* Class để ẩn bong bóng khi widget mở trên mobile */
#chat-bubble-icon.hidden-on-mobile-widget-open {
    opacity: 0;
    visibility: hidden;
    transform: scale(0.5);
}