:root {
    --screen-width: 350px;
    --screen-height: 740px;
    --secondary-bg: #ffffff;
    --border-color: #e0e0e0;
    --text-primary: #1f1f1f;
    --text-secondary: #8a8a8a;
    --accent-color: #007bff;
}

html {
    height: 100%;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

body {
    flex: 1;
    width: 100%;
    margin: 0;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-weight: normal;
    background-color: #dcdcdc;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
}

#phone-frame {
    padding: 12px;
    background-color: #fff;
    border-radius: 50px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.25), inset 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    width: 100%;
    height: 100%;
}

.notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 130px;
    height: 28px;
    background-color: #1f1f1f;
    border-radius: 0 0 15px 15px;
    z-index: 20;
}

#phone-screen {
    width: 100%;
    height: 100%;
    max-height: 95vh;
    background-color: #000;
    border-radius: 40px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 2px solid #333;
}

#status-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
    z-index: 10;
    font-size: 14px;
    box-sizing: border-box;
    pointer-events: none;
}

#status-bar-time {
    font-weight: 600;
}

.battery-container {
    display: flex;
    align-items: center;
    gap: 5px;
}

.battery-icon {
    width: 25px;
    height: 12px;
    border: 1px solid white;
    border-radius: 3px;
    position: relative;
    padding: 1px;
}

.battery-icon::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 2px;
    width: 2px;
    height: 6px;
    background-color: white;
    border-radius: 0 1px 1px 0;
}

.battery-level {
    height: 100%;
    background-color: white;
    border-radius: 1px;
    transition: width 0.5s ease;
}

.battery-container.charging .battery-level {
    background-color: #4cd964;
    animation: charge-breath 2s infinite;
}

.battery-container.charging .battery-text {
    color: #4cd964;
}

@keyframes charge-breath {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.screen {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.screen.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.header {
    position: relative;
    z-index: 15;
    flex-shrink: 0;
    padding: 15px 20px;
    padding-top: 45px;
    background-color: rgba(247, 247, 247, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 600;
}

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

.header .back-btn, .header .action-btn {
    font-size: 24px;
    cursor: pointer;
    width: 30px;
    text-align: center;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header .action-btn img {
    height: 26px;
}

.header .save-btn {
    font-size: 16px;
    color: var(--accent-color);
    font-weight: 600;
    cursor: pointer;
}

#home-screen {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 20px;
    padding-top: 80px;
    padding-bottom: 50px;
    box-sizing: border-box;
    background-size: cover;
    background-position: center;
}

#clock-container {
    text-align: center;
    color: white;
    text-shadow: 0 3px 8px rgba(0, 0, 0, 0.4);
    margin-bottom: 20px;
    flex-shrink: 0;
}

#main-time {
    font-size: 80px;
    font-weight: 200;
}

#main-date {
    font-size: 18px;
    font-weight: 500;
}

#app-grid {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
    padding: 20px;
}

.app-row {
    display: flex;
    justify-content: center;
    gap: 25px;
    width: 100%;
}

.app-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
}

.app-icon .icon-bg {
    width: 65px;
    height: 65px;
    border-radius: 18px;
    background-color: var(--secondary-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    margin-bottom: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s ease;
    overflow: hidden;
}

.app-icon:active .icon-bg {
    transform: scale(0.9);
}

.app-icon .icon-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-icon .label {
    color: white;
}

.form-container, .list-container {
    padding: 20px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;

    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

#world-book-content-input {
    height: calc(100% - 120px);
}

.form-button {
    width: 100%;
    padding: 15px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
}

.form-button-secondary {
    background-color: #f0f0f0;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

#wallpaper-screen .form-container {
    align-items: center;
}

#wallpaper-preview {
    width: 180px;
    height: 320px;
    border: 2px dashed var(--border-color);
    background-color: #f0f2f5;
    margin-bottom: 20px;
    background-size: cover;
    background-position: center;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-secondary);
}

#wallpaper-upload-input {
    display: none;
}

#chat-list, #world-book-list {
    flex-grow: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;

    background-color: var(--secondary-bg);
    padding-top: 80px;
    margin-top: -80px;
}

.list-item {
    display: flex;
    flex-direction: column;
    padding: 12px 20px;
    cursor: pointer;
  c
}

.list-item:hover {
    background-color: #f5f5f5;
}

.list-item .item-title {
    font-weight: 500;
    font-size: 16px;
    margin-bottom: 5px;
}

.list-item .item-content {
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-list-item {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.chat-list-item:hover {
    background-color: #f5f5f5;
}

.chat-list-item .avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    margin-right: 12px;
    object-fit: cover;
    background-color: #ccc;
}

.chat-list-item .info {
    flex-grow: 1;
    overflow: hidden;
}

.chat-list-item .name-line {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 2px;
}

.chat-list-item .name {
    font-weight: 500;
    color: var(--text-primary);
}

.chat-list-item .group-tag {
    font-size: 10px;
    color: var(--accent-color);
    background-color: #e7f3ff;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: bold;
    flex-shrink: 0;
}

.chat-list-item .last-msg {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

#chat-interface-screen {
    background-size: cover;
    background-position: center;
    position: relative;
}

#chat-interface-screen .header .default-controls, #chat-interface-screen .header .selection-controls {
    display: contents;
}

#chat-interface-screen.selection-mode .default-controls {
    display: none;
}

#chat-interface-screen:not(.selection-mode) .selection-controls {
    display: none;
}

#selection-cancel-btn, #selection-delete-btn {
    font-size: 16px;
    color: var(--accent-color);
    cursor: pointer;
    padding: 5px;
}

#selection-delete-btn {
    color: #ff3b30;
}

#chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;

    padding: 10px;
    padding-top: 80px;
    margin-top: -80px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#load-more-btn {
    text-align: center;
    padding: 10px;
    color: var(--accent-color);
    font-size: 14px;
    cursor: pointer;
    background-color: transparent;
    border: none;
    width: 100%;
}

#load-more-btn:hover {
    text-decoration: underline;
}

.message-wrapper {
    display: flex;
    flex-direction: column;
    max-width: 85%;
}

.message-wrapper.user {
    align-self: flex-end;
    align-items: flex-end;
}

.message-wrapper.ai {
    align-self: flex-start;
    align-items: flex-start;
}

.sender-name {
    font-size: 11px;
    color: #666;
    margin-bottom: 3px;
}

.message-wrapper.ai .sender-name {
    margin-left: 37px;
}

.message-bubble {
    display: flex;
    align-items: flex-start;
    gap: 5px;
    position: relative;
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
    max-width: 100%;
}

.message-bubble.selected::after {
    content: '✔';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--accent-color);
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.message-bubble.user.selected::after {
    left: auto;
    right: -10px;
}

.avatar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    width: 32px;
}

.message-bubble .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.timestamp {
    font-size: 10px;
    color: #b0b0b0;
}

.message-bubble .content {
    padding: 8px 12px;
    word-break: break-word;
    line-height: 1.5;
    font-size: 15px;
    position: relative;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.6), 0 3px 6px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: background-color 0.3s, color 0.3s;
}

.message-bubble.user {
    flex-direction: row-reverse;
}

#typing-indicator {
    align-self: flex-start;
    display: none;
    margin: 0 10px 10px;
    color: var(--text-secondary);
}

#chat-input-area {
    flex-shrink: 0;
    padding: 8px;
    background-color: rgba(247, 247, 247, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 5px;
}

#chat-input-main-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    width: 100%;
}

#chat-input {
    flex-grow: 1;
    border: none;
    padding: 10px 15px;
    border-radius: 20px;
    background-color: var(--secondary-bg);
    font-size: 16px;
    max-height: 100px;
    resize: none;
}

.action-button {
    border: none;
    color: white;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

#send-btn {
    background-color: var(--accent-color);
    height: 40px;
    padding: 0 15px;
}

.modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal.visible {
    display: flex;
}

.modal-content {
    width: 90%;
    max-height: 90%;
    background-color: white;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 15px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 15px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;

}

.modal-footer {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
}

.modal-footer button {
    width: 45%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--accent-color);
    cursor: pointer;
    font-size: 16px;
}

.modal-footer .save {
    background-color: var(--accent-color);
    color: white;
}

.modal-footer .cancel {
    background-color: white;
    color: var(--accent-color);
}

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

.avatar-upload img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    background-color: #eee;
}

.avatar-upload button {
    padding: 8px 12px;
    border: 1px solid #ccc;
    background-color: #f0f0f0;
    border-radius: 5px;
    cursor: pointer;
}

#open-persona-library-btn {
    font-size: 14px;
    padding: 6px 10px;
    margin-left: auto;
}

.avatar-upload input[type="file"] {
    display: none;
}

.theme-selector label {
    display: inline-flex;
    align-items: center;
    margin-right: 15px;
    margin-bottom: 5px;
    cursor: pointer;
}

#reset-theme-btn {
    background: none;
    border: 1px solid #ccc;
    color: #555;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 5px;
    cursor: pointer;
    margin-left: 10px;
}

#group-members-settings {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;

    padding-bottom: 10px;
    gap: 15px;
}

.member-editor {
    text-align: center;
    cursor: pointer;
}

.member-editor img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    background-color: #eee;
    margin-bottom: 5px;
}

.member-editor .member-name {
    font-size: 12px;
}

#notification-bar {
    position: absolute;
    top: 40px;
    left: 5%;
    width: 90%;
    z-index: 500;
    background-color: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transform: translateY(-150%);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    visibility: hidden;
}

#notification-bar.visible {
    transform: translateY(0);
    visibility: visible;
}

#notification-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

#notification-content .name {
    font-weight: 600;
    font-size: 15px;
    color: #000;
}

#notification-content .message {
    font-size: 14px;
    color: #555;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.sticker-image {
    max-width: 100px;
    max-height: 100px;
    display: block;
    object-fit: contain;
}

.message-bubble.is-sticker .content, .message-bubble.is-voice-message .content {
    padding: 0;
    background-color: transparent;
    box-shadow: none;
    border: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

#chat-input-actions-top {
    display: flex;
    gap: 8px;
    padding: 0 5px;
}

.chat-action-icon-btn {
    font-size: 24px;
    padding: 0;
    width: 38px;
    height: 38px;
    line-height: 38px;
    text-align: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    color: var(--text-primary);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}

#sticker-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background-color: rgba(242, 242, 247, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 1px solid var(--border-color);
    border-radius: 20px 20px 0 0;
    z-index: 200;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    visibility: hidden;
}

#sticker-panel.visible {
    transform: translateY(0);
    visibility: visible;
}

#sticker-panel-header {
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-color);
}

#sticker-panel-header .title {
    font-weight: 600;
}

#sticker-panel-header .panel-btn {
    font-size: 16px;
    padding: 5px 10px;
    cursor: pointer;
    color: var(--accent-color);
}

#sticker-grid {
    flex-grow: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;

    padding: 15px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 15px;
}

.sticker-item {
    position: relative;
    aspect-ratio: 1 / 1;
    background-color: white;
    border-radius: 10px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.sticker-item .delete-btn {
    display: none;
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background-color: #ff3b30;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 20px;
    font-size: 14px;
    cursor: pointer;
    border: 2px solid white;
}

#input-actions-wrapper {
    position: static;
    display: flex;
    align-items: flex-end;
    gap: 8px;
    flex-shrink: 0;
}

#wait-reply-btn {
    position: static;
    bottom: auto;
    right: auto;
    width: auto;
    height: 40px;
    padding: 0 10px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: opacity 0.2s, transform 0.1s;
    cursor: pointer;
}

#wait-reply-btn:hover {
    opacity: 0.8;
}

#wait-reply-btn:active {
    transform: scale(0.9);
}

#wait-reply-btn img {
    height: 22px;
    display: block;
    margin: auto;
}

.chat-image {
    max-width: 100%;
    border-radius: 10px;
    display: block;
}

.message-bubble.has-image .content {
    padding: 5px;
}

#custom-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

#custom-modal-overlay.visible {
    display: flex;
    opacity: 1;
}

#custom-modal {
    background-color: #fff;
    width: 280px;
    border-radius: 14px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform 0.2s ease-in-out;
}

#custom-modal-overlay.visible #custom-modal {
    transform: scale(1);
}

.custom-modal-header {
    padding: 16px;
    font-size: 17px;
    font-weight: 600;
    text-align: center;
}

.custom-modal-body {
    padding: 0 16px 16px;
    text-align: center;
    font-size: 14px;
    color: #333;
    line-height: 1.5;
}

.custom-modal-body p {
    margin: 0;
    margin-bottom: 12px;
}

.custom-modal-body input {
    width: 100%;
    padding: 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
    box-sizing: border-box;
}

.custom-modal-footer {
    border-top: 1px solid #dbdbdb;
    display: flex;
}

.custom-modal-footer button {
    flex: 1;
    background: none;
    border: none;
    padding: 12px;
    font-size: 17px;
    cursor: pointer;
    color: var(--accent-color);
}

.custom-modal-footer button:first-child {
    border-right: 1px solid #dbdbdb;
}

.custom-modal-footer .confirm-btn {
    font-weight: 600;
}

.custom-modal-footer .confirm-btn.btn-danger {
    color: #ff3b30;
}

#preset-actions-modal .custom-modal-footer {
    flex-direction: column;
}

#preset-actions-modal .custom-modal-footer button {
    width: 100%;
    border: none;
    border-bottom: 1px solid #dbdbdb;
    padding: 14px;
    font-size: 18px;
}

#preset-actions-modal .custom-modal-footer button:last-child {
    border-bottom: none;
}

.custom-multiselect {
    position: relative;
    user-select: none;
}

.select-box {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
    background-color: #fff;
    cursor: pointer;
}

.select-box .selected-options-text {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.select-box .arrow-down {
    margin-left: auto;
    font-size: 10px;
    color: var(--text-secondary);
    transition: transform 0.2s;
}

.select-box.expanded .arrow-down {
    transform: rotate(180deg);
}

.checkboxes-container {
    display: none;
    position: absolute;
    top: 105%;
    left: 0;
    right: 0;
    max-height: 150px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;

    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    z-index: 101;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.checkboxes-container.visible {
    display: block;
}

.checkboxes-container label {
    display: block;
    padding: 10px 12px;
    cursor: pointer;
    font-weight: normal;
    color: var(--text-primary);
}

.checkboxes-container label:hover {
    background-color: #f5f5f5;
}

.checkboxes-container input {
    margin-right: 10px;
    vertical-align: middle;
}

.bg-upload-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.bg-preview-img {
    max-width: 120px;
    max-height: 80px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    object-fit: cover;
    display: none;
}

#remove-bg-btn {
    padding: 8px 12px;
    border: 1px solid #ff3b30;
    color: #ff3b30;
    background-color: #fff;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    display: none;
}

.message-bubble.is-ai-image .content {
    padding: 5px;
    background: transparent;
    box-shadow: none;
    border: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.ai-generated-image {
    max-width: 180px;
    border-radius: 12px;
    display: block;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.ai-generated-image:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.voice-message-body {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 8px 12px;
    min-width: 80px;
    max-width: 200px;
}

.message-bubble.user .voice-message-body {
    color: #1a3d00;
    flex-direction: row-reverse;
}

.message-bubble.ai .voice-message-body {
    color: var(--text-primary);
}

.voice-waveform {
    display: flex;
    align-items: center;
    height: 20px;
    gap: 2px;
    flex-grow: 1;
    margin: 0 10px;
}

.voice-waveform div {
    width: 3px;
    background-color: currentColor;
    border-radius: 2px;
    animation: wave-quiet 1.5s ease-in-out infinite;
}

@keyframes wave-quiet {
    0%, 100% {
        height: 2px;
    }
    50% {
        height: 10px;
    }
}

.voice-waveform div:nth-child(2) {
    animation-delay: 0.2s;
}

.voice-waveform div:nth-child(3) {
    animation-delay: 0.4s;
}

.voice-waveform div:nth-child(4) {
    animation-delay: 0.6s;
}

.voice-waveform div:nth-child(5) {
    animation-delay: 0.8s;
}

.voice-duration {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.message-bubble.user .voice-duration {
    color: #3e6224;
}

/* === 气泡主题样式 === */
.message-bubble.user .content {
    background-color: rgba(160, 233, 86, 0.75);
    color: #1a3d00;
    border-radius: 20px 8px 20px 20px;
}

.message-bubble.ai .content {
    background-color: rgba(255, 255, 255, 0.7);
    color: var(--text-primary);
    border-radius: 8px 20px 20px 20px;
}

#chat-messages[data-theme="pink_blue"] .message-bubble.user .content {
    background-color: #FADADD;
    color: #5D3A3A;
}

#chat-messages[data-theme="pink_blue"] .message-bubble.ai .content {
    background-color: #D6EAF8;
    color: #283747;
}

#chat-messages[data-theme="blue_white"] .message-bubble.user .content {
    background-color: #cce5ff;
    color: #004085;
}

#chat-messages[data-theme="blue_white"] .message-bubble.ai .content {
    background-color: #f8f9fa;
    color: #383d41;
}

#chat-messages[data-theme="purple_yellow"] .message-bubble.user .content {
    background-color: #E6E6FA;
    color: #4B0082;
}

#chat-messages[data-theme="purple_yellow"] .message-bubble.ai .content {
    background-color: #FFFACD;
    color: #5C4033;
}

#chat-messages[data-theme="black_white"] .message-bubble.user .content {
    background-color: #343a40;
    color: #f8f9fa;
}

#chat-messages[data-theme="black_white"] .message-bubble.ai .content {
    background-color: #f8f9fa;
    color: #343a40;
}

#chat-messages[data-theme="yellow_white"] .message-bubble.user .content {
    background-color: #FFEB3B;
    color: #5D4037;
}

#chat-messages[data-theme="yellow_white"] .message-bubble.ai .content {
    background-color: #f8f9fa;
    color: #383d41;
}

#chat-messages[data-theme="red_black"] .message-bubble.user .content {
    background-color: #C62828;
    color: #FFFFFF;
}

#chat-messages[data-theme="red_black"] .message-bubble.ai .content {
    background-color: #212121;
    color: #FFFFFF;
}

#chat-messages[data-theme="blue_yellow"] .message-bubble.user .content {
    background-color: #A0D2EB;
    color: #153243;
}

#chat-messages[data-theme="blue_yellow"] .message-bubble.ai .content {
    background-color: #FEF9E7;
    color: #5D4037;
}

#chat-messages[data-theme="pink_yellow"] .message-bubble.user .content {
    background-color: #F8BBD0;
    color: #5B2C6F;
}

#chat-messages[data-theme="pink_yellow"] .message-bubble.ai .content {
    background-color: #FEF9E7;
    color: #5D4037;
}

#chat-messages[data-theme="pink_purple"] .message-bubble.user .content {
    background-color: #F8BBD0;
    color: #5B2C6F;
}

#chat-messages[data-theme="pink_purple"] .message-bubble.ai .content {
    background-color: #E6E6FA;
    color: #4B0082;
}

#chat-messages[data-theme="gray_white"] .message-bubble.user .content {
    background-color: #e9ecef;
    color: #495057;
}

#chat-messages[data-theme="gray_white"] .message-bubble.ai .content {
    background-color: #f8f9fa;
    color: #383d41;
}

#chat-messages[data-theme="blue_green"] .message-bubble.user .content {
    background-color: #d1ecf1;
    color: #0c5460;
}

#chat-messages[data-theme="blue_green"] .message-bubble.ai .content {
    background-color: #d4edda;
    color: #155724;
}

#chat-messages[data-theme="pink_white"] .message-bubble.user .content {
    background-color: #fce4ec;
    color: #880e4f;
}

#chat-messages[data-theme="pink_white"] .message-bubble.ai .content {
    background-color: #f8f9fa;
    color: #383d41;
}

#chat-messages[data-theme="pink_black"] .message-bubble.user .content {
    background-color: #F8BBD0;
    color: #5B2C6F;
}

#chat-messages[data-theme="pink_black"] .message-bubble.ai .content {
    background-color: #343a40;
    color: #f8f9fa;
}

#chat-messages[data-theme="pink_green"] .message-bubble.user .content {
    background-color: #F8BBD0;
    color: #5B2C6F;
}

#chat-messages[data-theme="pink_green"] .message-bubble.ai .content {
    background-color: #C8E6C9;
    color: #1B5E20;
}

#chat-messages[data-theme="green_black"] .message-bubble.user .content {
    background-color: #d4edda;
    color: #155724;
}

#chat-messages[data-theme="green_black"] .message-bubble.ai .content {
    background-color: #343a40;
    color: #f8f9fa;
}

#transfer-btn {
    font-weight: bold;
}

#transfer-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

#transfer-modal.visible {
    display: flex;
}

.transfer-content {
    background-color: #fff0f5;
    border-radius: 20px;
    width: 290px;
    padding: 20px;
    box-shadow: 0 5px 25px rgba(255, 105, 180, 0.3);
    text-align: center;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100" opacity="0.05"><path d="M50,4 C35,4 28,15 28,24 C28,33 35,32 35,40 C35,48 28,49 28,57 C28,65 35,66 35,74 C35,82 28,83 28,91 C28,99 35,100 50,100 C65,100 72,99 72,91 C72,83 65,82 65,74 C65,66 72,65 72,57 C72,49 65,48 65,40 C65,32 72,33 72,24 C72,15 65,4 50,4 Z" fill="%23FF69B4"/></svg>');
    background-repeat: no-repeat;
    background-position: top right;
    background-size: 80px;
}

.transfer-header {
    font-size: 20px;
    font-weight: bold;
    color: #a35c7b;
    margin-bottom: 20px;
}

.transfer-input-group {
    margin-bottom: 15px;
    text-align: left;
}

.transfer-input-group label {
    display: block;
    font-size: 14px;
    color: #ff85b3;
    margin-bottom: 5px;
    font-weight: 500;
}

.transfer-input-group input {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 2px solid #ffcce0;
    background-color: #fff;
    font-size: 16px;
    box-sizing: border-box;
}

.transfer-input-group input:focus {
    border-color: #ff85b3;
    outline: none;
}

.transfer-actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.transfer-actions button {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}

.transfer-actions button:active {
    transform: scale(0.95);
}

#transfer-cancel-btn {
    background-color: #ffdde9;
    color: #a35c7b;
}

#transfer-confirm-btn {
    background-color: #ff85b3;
    color: white;
}

.message-bubble.is-transfer .content {
    padding: 0;
    background: transparent;
    box-shadow: none;
    border: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    cursor: pointer;
}

.transfer-card {
    width: 200px;
    border-radius: 12px;
    padding: 12px;
    color: white;
    position: relative;
    overflow: hidden;
}

.transfer-card::before {
    content: '🐾';
    position: absolute;
    right: 10px;
    top: 5px;
    font-size: 30px;
    opacity: 0.2;
    transform: rotate(15deg);
}

.message-bubble.user .transfer-card {
    background: radial-gradient(circle at top left, #ffc5d5, #ff85b3);
}

.message-bubble.ai .transfer-card {
    background: radial-gradient(circle at top left, #a1c4fd, #c2e9fb);
}

.transfer-title {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
}

.transfer-amount {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 4px;
}

.transfer-note {
    font-size: 13px;
    opacity: 0.9;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    padding-top: 8px;
    margin-top: 8px;
    word-break: break-all;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

#listen-together-btn img.rotating {
    animation: spin 2s linear infinite;
}

#listen-together-btn img.paused {
    animation-play-state: paused;
}

#music-player-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 50;
    display: none;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.3);
}

#music-player-overlay.visible {
    display: flex;
}

.music-player-window {
    width: 90%;
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #1f1f1f;
    position: relative;
}

#music-playlist-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

#music-time-counter {
    font-size: 12px;
    color: #555;
    margin-bottom: 20px;
}

#music-player-song-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
    text-align: center;
}

#music-player-artist {
    font-size: 14px;
    color: #666;
    margin-bottom: 25px;
}

.music-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    width: 100%;
    margin-bottom: 30px;
}

.music-controls button {
    background: none;
    border: none;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    color: #333;
    width: 44px;
    height: 44px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.2s;
}

.music-controls button:active {
    transform: scale(0.9);
}

.music-controls .play-pause-btn {
    font-size: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
}

.music-bottom-actions {
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.music-bottom-actions button {
    flex: 1;
    padding: 12px 0;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
}

#music-exit-btn {
    background-color: rgba(255, 100, 100, 0.7);
    color: white;
    margin-right: 5px;
}

#music-return-btn {
    background-color: rgba(0, 123, 255, 0.7);
    color: white;
    margin-left: 5px;
}

#music-playlist-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 70%;
    background-color: rgba(242, 242, 247, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 1px solid var(--border-color);
    border-radius: 20px 20px 0 0;
    z-index: 210;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    visibility: hidden;
}

#music-playlist-panel.visible {
    transform: translateY(0);
    visibility: visible;
}

.playlist-header {
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.playlist-header .panel-btn {
    font-size: 16px;
    cursor: pointer;
    color: var(--accent-color);
}

.playlist-body {
    flex-grow: 1;
    -webkit-overflow-scrolling: touch;

    overflow-y: auto;
    padding: 10px 0;
}

.playlist-item {
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid #eee;
}

.playlist-item.playing {
    background-color: rgba(0, 123, 255, 0.1);
}

.playlist-item-info .title {
    font-weight: 500;
    font-size: 15px;
}

.playlist-item-info .artist {
    font-size: 12px;
    color: #666;
}

.playlist-item .delete-track-btn {
    color: #ff3b30;
    font-size: 20px;
    padding: 5px;
}

/* Persona Library Styles */
#persona-library-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    padding: 10px;
}

.persona-preset-item {
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.persona-preset-item:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.modal-header .action-button {
    font-size: 16px;
    color: var(--accent-color);
    font-weight: 600;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
}

/* Battery Alert Modal Styles */
#battery-alert-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#battery-alert-modal.visible {
    display: flex;
    opacity: 1;
}

.battery-alert-content {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 280px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    text-align: center;
    padding: 20px;
    cursor: pointer;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#battery-alert-modal.visible .battery-alert-content {
    transform: scale(1);
}

#battery-alert-image {
    max-width: 100px;
    max-height: 100px;
    margin-bottom: 15px;
}

#battery-alert-text {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    margin: 0;
    line-height: 1.4;
}

/* Data Management Styles */
.settings-divider {
    border: none;
    border-top: 1px solid #eee;
    margin: 25px 0;
}

.data-management-section {
    margin-top: 20px;
}

.data-management-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.data-management-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 15px;
}

.system-message-container {
    width: 100%;
    text-align: center;
    padding: 5px 0;
    margin: 4px 0;
}

.system-message-container span {
    background-color: rgba(0, 0, 0, 0.1);
    color: var(--text-secondary);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 10px;
    display: inline-block;
}

.toggle-switch-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.toggle-switch-group > label {
    margin-bottom: 0;
    font-weight: 500;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 51px;
    height: 31px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.toggle-switch .slider:before {
    position: absolute;
    content: "";
    height: 23px;
    width: 23px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

.toggle-switch input:checked + .slider {
    background-color: var(--accent-color);
}

.toggle-switch input:checked + .slider:before {
    transform: translateX(20px);
}

.form-group-description {
    width: 100%;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
    line-height: 1.4;
}

/* Group Member Delete Button */
.member-editor {
    position: relative;
}

.member-editor .delete-btn {
    display: none;
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background-color: #ff3b30;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 20px;
    font-size: 14px;
    cursor: pointer;
    border: 2px solid white;
    z-index: 10;
}

.member-editor {
    position: relative;
}

.member-editor .delete-btn {
    display: none;
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background-color: #ff3b30;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 20px;
    font-size: 14px;
    cursor: pointer;
    border: 2px solid white;
    z-index: 10;
}

.member-editor {
    text-align: center;
}

.member-editor .member-avatar-container {
    position: relative;
    width: 50px;
    height: 50px;
    margin: 0 auto 5px auto;
}

.member-editor img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    background-color: #eee;
    cursor: pointer;
}

.member-editor .member-name {
    font-size: 12px;
}

.member-editor .delete-member-btn {
    position: absolute;
    top: -3px;
    right: -3px;
    width: 20px;
    height: 20px;
    background-color: #ff3b30;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 18px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    border: 2px solid white;
    z-index: 10;
    opacity: 0.9;
    transition: opacity 0.2s, transform 0.2s;
}

.member-editor .delete-member-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.member-editor .delete-btn {
    display: none;
}


/*内置主题*/
.custom-css{
    display: none;
    margin-top: 15px;
}
#css-url:checked ~ .custom-css{
    display: block;
}
#css-url:checked ~ .custom-theme{
    display: none;
}
.custom-theme{
    margin-top: 15px;
}
.tab-label{
    color: var(--text-secondary);
    margin-top: 8px;
    margin-left: 28px;
}
.theme-item-remark {
    font-size: 13px;
    color: #555;
    margin: 8px 0 0 28px;
    line-height: 1.4;
    word-break: break-word;
}

.data-management-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.preset-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
}
.preset-list-item.active {
    background-color: #f0f8ff;
}
.custom-theme select{
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.3);
    color: #333;
}