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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #f5f5f7;
    color: #1d1d1f;
    line-height: 1.6;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    position: relative;
    background: linear-gradient(135deg, #f0f4f8 0%, #e8f0fa 100%);
    opacity: 1;
    overflow: hidden;
    box-shadow: none;
}

.container::before,
.container::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.container::before {
    width: 120px;
    height: 120px;
    top: 20%;
    left: 15%;
}

.container::after {
    width: 180px;
    height: 180px;
    bottom: 15%;
    right: 10%;
}

.container>span {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
}

.container>span:nth-child(1) {
    width: 80px;
    height: 80px;
    top: 60%;
    left: 10%;
}

.container>span:nth-child(2) {
    width: 50px;
    height: 50px;
    top: 30%;
    right: 20%;
}

.container>span:nth-child(3) {
    width: 100px;
    height: 100px;
    bottom: 30%;
    left: 25%;
}

.version-info {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #f5f5f7;
    font-size: 12px;
    opacity: 0.8;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.login-container {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    width: 100%;
    max-width: 900px;
    opacity: 1;
    transform: scale(1);
    position: relative;
    z-index: 10;
}

.video-container,
.image-container {
    width: 100%;
    max-width: 500px;
    overflow: hidden;
    border-radius: 20px 0 0 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
}

.video-container img,
.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px 0 0 20px;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px 0 0 20px;
}

.login-box {
    background: white;
    border-radius: 0 20px 20px 0;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 400px;
    text-align: center;
    opacity: 1;
    transform: scale(1);
    position: relative;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.login-logo {
    width: 140px;
    height: auto;
    object-fit: contain;
    margin-bottom: 20px;
    opacity: 1;
    transform: translateY(0);
}

.logo h1 {
    font-size: 48px;
    margin-bottom: 10px;
    opacity: 1;
    transform: translateY(0);
}

.logo h2 {
    font-size: 24px;
    color: #1d1d1f;
    font-weight: 600;
    margin-bottom: 30px;
    opacity: 1;
    transform: translateY(0);
}

.form-group {
    margin-bottom: 15px;
    text-align: left;
    opacity: 1;
    transform: translateY(0);
}

.btn-primary,
.register-link,
.error-message {
    opacity: 1;
    transform: translateY(0);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #6e6e73;
    font-size: 14px;
}

.form-group .form-hint,
.form-group .form-hint-inline {
    font-size: 12px;
    color: #86868b;
    margin-top: 6px;
    margin-bottom: 0;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d2d2d7;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #f5f5f7;
}

.form-group input:focus {
    outline: none;
    border-color: #b3d4fc;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(179, 212, 252, 0.3);
    background: white;
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background-color: #e8f4fd;
    color: #333;
    border: 1px solid #b3d4fc;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: none;
}

.btn-primary:hover {
    background-color: #d4e8fd;
    transform: translateY(-1px);
    box-shadow: none;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn-secondary {
    padding: 10px 20px;
    background-color: #f5f5f7;
    color: #1d1d1f;
    border: 1px solid #d2d2d7;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #e8e8ed;
    border-color: #c7c7cc;
}

.register-link {
    margin-top: 20px;
    color: #6e6e73;
    font-size: 14px;
}

.register-link a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    text-shadow: none;
}

.register-link a:hover {
    text-decoration: underline;
}

.error-message {
    margin-top: 20px;
    color: #ff3b30;
    font-size: 14px;
    min-height: 20px;
}

.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

.sidebar {
    width: 300px;
    background: white;
    border-right: 1px solid #d2d2d7;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.sidebar-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.app-title {
    font-size: 20px;
    font-weight: 600;
    width: 120px;
    height: auto;
    object-fit: contain;
}

.settings-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.add-friend-btn {
    position: relative;
}

.badge-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #ff3b30;
    box-shadow: 0 0 0 2px #ffffff;
}

.settings-btn:hover {
    background-color: #f5f5f7;
}

.user-profile {
    display: flex;
    align-items: center;
    padding: 15px;
    background-color: #f5f5f7;
    border-radius: 15px;
    margin-bottom: 30px;
}

.avatar-container {
    margin-right: 10px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: none;
    padding: 0;
    background: none;
    box-shadow: none;
}

.user-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.user-info .bio {
    font-size: 12px;
    color: #6e6e73;
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.channels {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.channels::-webkit-scrollbar {
    display: none;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    color: #6e6e73;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.channel-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mode-toggle {
    display: flex;
    gap: 6px;
    padding: 6px;
    border-radius: 12px;
    background: #f5f5f7;
    border: 1px solid #e5e5ea;
    margin-bottom: 12px;
}

.mode-btn {
    flex: 1;
    border: 1px solid transparent;
    background: transparent;
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: #6e6e73;
    cursor: pointer;
    transition: all 0.25s ease;
}

.mode-btn.active {
    background: #ffffff;
    color: #1d1d1f;
    border-color: #d2d2d7;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.list-panel {
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: opacity 0.25s ease, transform 0.25s ease;
    transform: translateX(0);
    opacity: 1;
}

.list-panel.is-hidden {
    opacity: 0;
    transform: translateX(-10px);
    pointer-events: none;
    height: 0;
    overflow: hidden;
}

.friend-requests-scroll {
    max-height: 260px;
    overflow-y: auto;
    overflow-x: hidden;
}

.friends-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mode-dm-btn {
    position: relative;
}

.friend-item {
    position: relative;
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 500;
}

.dm-unread-badge {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    background: #ff3b30;
    color: #fff;
    font-size: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
    box-sizing: border-box;
}

.friend-item:hover {
    background-color: #f0f0f0;
}

.friend-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 12px;
}

.friend-name {
    font-size: 14px;
    flex: 1;
    min-width: 0;
}

.friend-pin-icon {
    font-size: 12px;
    margin-left: 4px;
    flex-shrink: 0;
}

.friend-item-stale {
    opacity: 0.9;
}

.friend-item-stale .friend-stale-tag {
    font-size: 11px;
    color: #8e8e93;
    margin-left: 4px;
    flex-shrink: 0;
}

.friend-item-stale .btn-readd-friend {
    margin-left: auto;
    padding: 4px 10px;
    font-size: 12px;
    border: none;
    border-radius: 6px;
    background: #0071e3;
    color: #fff;
    cursor: pointer;
    flex-shrink: 0;
}

.friend-item-stale .btn-readd-friend:hover {
    background: #0057b7;
}

.blacklist-list-container {
    max-height: 280px;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.blacklist-list-container::-webkit-scrollbar {
    display: none;
}

.blacklist-item .btn-unblock {
    margin-left: auto;
    padding: 6px 12px;
    font-size: 13px;
    flex-shrink: 0;
}

.stale-dm-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    text-align: center;
    min-height: 200px;
}

.stale-dm-card .stale-dm-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.stale-dm-card .stale-dm-text {
    font-size: 17px;
    font-weight: 600;
    color: #333;
    margin: 0 0 8px 0;
}

.stale-dm-card .stale-dm-hint {
    font-size: 14px;
    color: #8e8e93;
    margin: 0 0 20px 0;
}

.stale-dm-card .btn-readd-in-chat {
    padding: 10px 24px;
    font-size: 15px;
    border: none;
    border-radius: 8px;
    background: #0071e3;
    color: #fff;
    cursor: pointer;
    font-weight: 500;
}

.stale-dm-card .btn-readd-in-chat:hover {
    background: #0057b7;
}

.stale-dm-card .stale-dm-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.stale-dm-card .btn-remove-stale-in-chat {
    padding: 10px 24px;
    font-size: 15px;
    border: 1px solid #c7c7cc;
    border-radius: 8px;
    background: #fff;
    color: #8e8e93;
    cursor: pointer;
    font-weight: 500;
}

.stale-dm-card .btn-remove-stale-in-chat:hover {
    background: #f2f2f7;
    color: #333;
}

.left-empty-state {
    text-align: center;
    padding: 18px 10px;
    color: #8e8e93;
    font-size: 13px;
}

.channel-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.channel-item:hover {
    background-color: #f0f0f0;
}

.channel-item.active {
    background-color: #e8f4fd;
    color: #333;
    box-shadow: none;
}

.channel-icon {
    font-size: 18px;
    margin-right: 12px;
}

.channel-name {
    font-size: 14px;
}

.logout-btn {
    margin-top: 20px;
    padding: 12px;
    background-color: #ff3b30;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background-color: #ff453a;
    transform: translateY(-1px);
}

.chat-container {
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #f5f5f7;
}

.chat-header {
    padding: 20px 30px;
    background: white;
    border-bottom: 1px solid #d2d2d7;
    display: flex;
    align-items: center;
}

.chat-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.channel-menu-btn {
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    padding: 0;
    cursor: pointer;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}
.channel-menu-btn:hover {
    background-color: #f0f0f5;
}
.channel-menu-icon {
    display: block;
    width: 20px;
    height: 2px;
    background-color: currentColor;
    color: #1d1d1f;
    box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
}
.channel-menu-panel .channel-menu-mute-row {
    padding: 8px 0;
    margin-bottom: 8px;
}

.channel-menu-panel .channel-menu-mute-row-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.channel-menu-panel .channel-menu-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    flex-shrink: 0;
}

.channel-menu-panel .channel-menu-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
    margin: 0;
    padding: 0;
    border: none;
}

.channel-menu-panel .channel-menu-switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #c7c7cc;
    transition: 0.3s ease;
    border-radius: 28px;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.08);
}

.channel-menu-panel .channel-menu-switch-slider:before {
    content: "";
    position: absolute;
    height: 22px;
    width: 22px;
    left: 3px;
    top: 3px;
    background-color: #fff;
    transition: 0.3s ease;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.channel-menu-panel .channel-menu-switch input:checked + .channel-menu-switch-slider {
    background-color: #b3d4fc;
}

.channel-menu-panel .channel-menu-switch input:checked + .channel-menu-switch-slider:before {
    transform: translateX(24px);
}

.channel-menu-panel .channel-menu-hint {
    font-size: 12px;
    color: #86868b;
    margin-top: 8px;
}

.current-channel {
    display: flex;
    align-items: center;
}

.current-channel-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 12px;
    flex-shrink: 0;
}

.current-channel .channel-icon {
    font-size: 24px;
    margin-right: 12px;
}

.current-channel h2 {
    font-size: 20px;
    font-weight: 600;
}

.messages-container {
    flex: 1;
    padding: 20px 30px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    transition: all 0.3s ease;
}

.loading-messages {
    display: inline-block;
    animation: pulse 1.5s infinite;
}

.chat-container {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeIn 0.3s ease forwards;
}

.sidebar {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#messageInput:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 0, 128, 0.3);
}

.profile-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.profile-modal.show {
    opacity: 1;
    display: block;
}

.profile-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    transform: scale(0.8);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.profile-modal.show .profile-content {
    transform: scale(1);
}

.friend-modal-content .friend-add-steps {
    position: relative;
    min-height: 140px;
}

.friend-modal-content .friend-add-step {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: none;
}

.friend-modal-content .friend-add-step.friend-add-step-active {
    position: relative;
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.friend-modal-content .friend-add-step.friend-add-step-left {
    transform: translateX(-24px);
}

.friend-modal-content .friend-add-step.friend-add-step-right {
    transform: translateX(24px);
}

.friend-modal-content .friend-add-step-target {
    margin-bottom: 12px;
    color: #6e6e73;
    font-size: 14px;
}

.friend-modal-content #friendReasonInput {
    resize: vertical;
    min-height: 60px;
}

.friend-item .friend-item-body {
    flex: 1;
    min-width: 0;
}

.friend-item .friend-item-actions {
    margin-left: auto;
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.friend-item-has-reason {
    align-items: flex-start;
}

.friend-request-reason {
    font-size: 12px;
    color: #6e6e73;
    margin-top: 6px;
    max-width: 100%;
    word-break: break-word;
}

.message {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    max-width: 80%;
    margin-bottom: 5px;
    margin-top: 5px;
    opacity: 0;
    transform: translateY(10px);
    animation: slideInUp 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.message.received {
    align-self: flex-start;
}

.message.sent {
    margin-left: auto;
    flex-direction: row-reverse;
    animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    align-self: flex-end;
}

.message:hover {
    transform: translateY(-2px);
}

.avatar:hover {
    transform: scale(1.15);
    box-shadow: 0 6px 16px rgba(179, 212, 252, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#sendBtn {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#sendBtn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(179, 212, 252, 0.4);
}

#sendBtn:active {
    transform: scale(0.98);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

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

    to {
        transform: rotate(360deg);
    }
}

.message .avatar-container {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 50%;
    overflow: hidden;
}

.message .avatar {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    flex-shrink: 0;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.avatar {
    border-radius: 50%;
    object-fit: cover;
}

.message-content {
    flex: 0 1 85%;
    display: flex;
    flex-direction: column;
    overflow: visible;
    text-overflow: clip;
}

.message-header {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
}

.message.sent .message-header {
    justify-content: flex-end;
}

.message.received .message-header {
    justify-content: flex-start;
}

.message-username {
    font-weight: 600;
    font-size: 14px;
}

.message-time {
    font-size: 12px;
    color: #6e6e73;
}

.message-text {
    background: white;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.4;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 40ch;
    word-wrap: break-word;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
}

.message.received .message-text {
    background-color: #d1d1d6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.message-actions {
    display: none;
    gap: 8px;
    margin-top: 5px;
    align-items: center;
}

.recall-btn {
    transition: all 0.2s ease;
}

.recall-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.message:hover .message-text {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.message.sent .message-text {
    background-color: #c7e0fb;
    color: #333;
    max-width: 40ch;
    word-wrap: break-word;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.avatar {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.avatar:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.channel-item:hover {
    background-color: #f0f0f0;
}

.settings-btn,
.upload-btn,
.emoji-btn,
.voice-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.settings-btn:hover,
.upload-btn:hover,
.emoji-btn:hover,
.voice-btn:hover:not(:disabled) {
    transform: scale(1.2);
    background-color: rgba(179, 212, 252, 0.2) !important;
}

.send-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.send-btn:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 15px rgba(179, 212, 252, 0.4);
}

.send-btn:active {
    transform: translateY(0) scale(0.98);
}

.message-image {
    max-width: 240px;
    width: auto;
    height: auto;
    border-radius: 12px;
    margin-top: 8px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.message-image:hover {
    transform: scale(1.02);
}

.recall-notice {
    display: inline-block;
    padding: 8px 14px;
    margin-top: 4px;
    border-radius: 8px;
    font-size: 14px;
    color: #8e8e93;
    background: #e5e5ea;
    max-width: 100%;
}

.recall-hint-row {
    width: 100%;
    text-align: center;
    margin: 10px 0;
}

.recall-notice-center {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 13px;
    color: #8e8e93;
    background: #e5e5ea;
}

.recall-reedit {
    color: #5b9bd5;
    cursor: pointer;
    margin-left: 6px;
    font-weight: 500;
}

.recall-notice-center .recall-reedit {
    color: #5b9bd5;
}

.message-context-menu {
    position: fixed;
    z-index: 10000;
    min-width: 100px;
    padding: 6px 0;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border: 1px solid #e5e5ea;
}

.message-context-menu-bar {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    padding: 0;
    min-width: auto;
    border-radius: 20px;
    gap: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.message-context-menu-bar .message-context-menu-item {
    padding: 8px 18px;
    font-size: 14px;
    white-space: nowrap;
}

.message-context-menu-bar .message-context-menu-item:first-child {
    border-radius: 20px 0 0 20px;
}

.message-context-menu-bar .message-context-menu-item:last-child {
    border-radius: 0 20px 20px 0;
}

.message-context-menu-bar .message-context-menu-item:only-child {
    border-radius: 20px;
}

.message-context-menu-item {
    padding: 8px 16px;
    font-size: 14px;
    color: #1d1d1f;
    cursor: pointer;
}

.message-context-menu-item:hover {
    background: #f5f5f7;
}

.message-context-menu-item[data-action="recall"] {
    color: #ff3b30;
}

.message-voice {
    margin-top: 6px;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    max-width: 40ch;
    background: white;
    transition: box-shadow 0.3s ease;
}

.message.received .message-voice {
    background-color: #d1d1d6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.message.sent .message-voice {
    background-color: #c7e0fb;
    color: #333;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.message:hover .message-voice {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.message-voice .voice-player {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
}

.message-voice .custom-audio-player {
    display: flex;
    align-items: center;
    gap: 8px;
}

.message-voice .audio-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.message-voice .play-btn {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.08);
    color: #0071e3;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.message.sent .message-voice .play-btn {
    background: rgba(0, 113, 227, 0.2);
    color: #0066cc;
}

.message-voice .play-btn:hover {
    background: rgba(0, 0, 0, 0.12);
    transform: scale(1.05);
}

.message.sent .message-voice .play-btn:hover {
    background: rgba(0, 113, 227, 0.3);
}

.message-voice .play-btn .pause-icon {
    display: none;
}

.message-voice .play-btn.playing .play-icon {
    display: none;
}

.message-voice .play-btn.playing .pause-icon {
    display: inline;
}

.message-voice .progress-container {
    flex: 1;
    min-width: 0;
}

.message-voice .progress-bar {
    height: 4px;
    border-radius: 2px;
    background: rgba(0, 0, 0, 0.12);
    cursor: pointer;
    overflow: hidden;
}

.message.sent .message-voice .progress-bar {
    background: rgba(0, 113, 227, 0.25);
}

.message-voice .progress-fill {
    height: 100%;
    width: 0%;
    background: #0071e3;
    border-radius: 2px;
    transition: width 0.1s linear;
}

.message.sent .message-voice .progress-fill {
    background: #0066cc;
}

.message-voice .time-display {
    flex-shrink: 0;
    font-size: 11px;
    color: #6e6e73;
    min-width: 28px;
    text-align: right;
}

.message.sent .message-voice .time-display {
    color: rgba(0, 0, 0, 0.6);
}

.message.sent .avatar-container {
    margin-left: 10px;
    margin-right: 0;
}

.message-input-container {
    padding: 20px 30px;
    background: white;
    border-top: 1px solid #d2d2d7;
    display: flex;
    align-items: center;
    gap: 15px;
}

.input-tools {
    display: flex;
    align-items: center;
    gap: 10px;
}

.upload-btn {
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.upload-btn:hover {
    background-color: #f5f5f7;
}

.upload-progress {
    font-size: 12px;
    color: #666;
    min-width: 60px;
    text-shadow: none;
}

.emoji-btn {
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s ease;
    border: none;
    background: none;
    outline: none;
    box-shadow: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.emoji-btn:hover {
    background-color: #f5f5f7;
}

.voice-btn {
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
    border: none;
    background: none;
    outline: none;
    box-shadow: none;
    margin-right: 5px;
}

.voice-btn:hover:not(:disabled) {
    background-color: #f5f5f7;
    transform: scale(1.2);
}

.voice-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.voice-btn.recording {
    background-color: rgba(255, 0, 0, 0.1);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.5;
    }
}

.emoji-picker {
    position: absolute;
    bottom: 80px;
    left: 40px;
    background: white;
    border: 1px solid #d2d2d7;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 100;
    width: 320px;
    max-height: 250px;
    overflow-y: auto;
}

.emoji-picker.show {
    display: block;
    animation: fadeInUp 0.3s ease;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 10px;
}

.emoji-grid span {
    font-size: 24px;
    cursor: pointer;
    text-align: center;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.emoji-grid span:hover {
    background-color: #f5f5f7;
    transform: scale(1.2);
}

.emoji-picker::-webkit-scrollbar {
    display: none;
}

.emoji-picker {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

#messageInput {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid #d2d2d7;
    border-radius: 25px;
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: #f5f5f7;
    resize: none;
    min-height: 44px;
    max-height: 150px;
    overflow-y: auto;
    font-family: inherit;
    line-height: 1.4;
    outline: none;
    box-shadow: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    word-wrap: break-word;
    word-break: break-all;
    white-space: pre-wrap;

    scrollbar-width: none;
    -ms-overflow-style: none;
}

#messageInput::-webkit-scrollbar {
    display: none;
}

#messageInput:focus {
    background-color: white;
    border-color: #b3d4fc;
    box-shadow: 0 0 0 3px rgba(179, 212, 252, 0.3);
    background: white;
}

.send-btn {
    padding: 12px 24px;
    background-color: #e8f4fd;
    color: #333;
    border: 1px solid #b3d4fc;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: none;
}

.send-btn:hover {
    background-color: #d4e8fd;
    transform: translateY(-1px);
    box-shadow: none;
}

.settings-panel {
    position: fixed;
    right: -400px;
    top: 0;
    width: 400px;
    height: 100vh;
    background: white;
    box-shadow: -2px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.settings-panel.open {
    right: 0;
}

.settings-header {
    padding: 20px 30px;
    border-bottom: 1px solid #d2d2d7;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.settings-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.settings-actions-fixed {
    flex-shrink: 0;
    padding: 16px 30px;
    display: flex;
    align-items: center;
}
.settings-actions-fixed .btn-primary {
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.close-btn:hover {
    background-color: #f5f5f7;
}

.profile-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.profile-content {
    background-color: white;
    margin: 10% auto;
    padding: 0;
    width: 90%;
    max-width: 400px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideInUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.profile-header {
    padding: 20px 30px;
    border-bottom: 1px solid #d2d2d7;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.profile-header h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.profile-info {
    padding: 30px;
    text-align: center;
}

.profile-info .avatar-container {
    margin-bottom: 20px;
}

.profile-info .avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #f5f5f7;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.profile-info h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
}

.profile-info p {
    color: #6e6e73;
    margin-bottom: 15px;
    line-height: 1.6;
}

.profile-add-friend-area {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #e5e5e7;
}

.profile-add-friend-hint {
    margin-top: 8px;
    font-size: 14px;
    color: #6e6e73;
}

/* 设置面板内「允许从资料添加好友」与消息免打扰同款滑块 */
.friend-reason-count {
    font-size: 12px;
    color: #86868b;
    margin-top: 4px;
    margin-bottom: 0;
}

.profile-add-friend-toggle-row {
    padding: 8px 0;
    margin-bottom: 8px;
}

.profile-add-friend-toggle-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.settings-panel .channel-menu-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    flex-shrink: 0;
}

.settings-panel .channel-menu-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
    margin: 0;
    padding: 0;
    border: none;
}

.settings-panel .channel-menu-switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #c7c7cc;
    transition: 0.3s ease;
    border-radius: 28px;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.08);
}

.settings-panel .channel-menu-switch-slider:before {
    content: "";
    position: absolute;
    height: 22px;
    width: 22px;
    left: 3px;
    top: 3px;
    background-color: #fff;
    transition: 0.3s ease;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.settings-panel .channel-menu-switch input:checked + .channel-menu-switch-slider {
    background-color: #b3d4fc;
}

.settings-panel .channel-menu-switch input:checked + .channel-menu-switch-slider:before {
    transform: translateX(24px);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.settings-content {
    padding: 30px;
    overflow-y: auto;
    flex: 1;
}

.settings-section {
    margin-bottom: 30px;
}

.settings-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #6e6e73;
}

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

.avatar-preview .avatar {
    width: 100px;
    height: 100px;
}

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

.settings-content .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d2d2d7;
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    min-height: 80px;
    transition: all 0.3s ease;
    background-color: #f5f5f7;
}

.settings-content .form-group textarea:focus {
    outline: none;
    border-color: #b3d4fc;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(179, 212, 252, 0.3);
    background: white;
}

.settings-content .form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d2d2d7;
    border-radius: 10px;
    font-size: 14px;
    background-color: #f5f5f7;
    cursor: pointer;
    transition: all 0.3s ease;
}

.settings-content .form-group select:focus {
    outline: none;
    border-color: #b3d4fc;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(179, 212, 252, 0.3);
    background: white;
}

.settings-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.deactivation-hint {
    font-size: 13px;
    color: #666;
    margin-bottom: 10px;
    line-height: 1.5;
}

.deactivation-status {
    font-size: 13px;
    color: #e67e22;
    margin-top: 8px;
}

.deactivation-status.deactivation-status-done {
    color: #666;
}

.form-group .char-count {
    display: block;
    text-align: right;
    font-size: 12px;
    color: #888;
    margin-top: 4px;
}

.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}
.notification-container .notification {
    pointer-events: auto;
}

.notification {
    background-color: #ffffff;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 300px;
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 0.3s ease, transform 0.3s ease;
    border-left: 4px solid;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification.success {
    border-left-color: #4caf50;
    background-color: #f1f8e9;
}

.notification.error {
    border-left-color: #f44336;
    background-color: #ffebee;
}

.notification.info {
    border-left-color: #2196f3;
    background-color: #e3f2fd;
}

.notification.warning {
    border-left-color: #ff9800;
    background-color: #fff3e0;
}

.message .bili-video {
  margin-top: 8px;
  border-radius: 12px;
  overflow: hidden;
}
.message .bili-video iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border: 0;
}

.message-text .bili-video {
  background: transparent;
  box-shadow: none;
  padding: 0;
}