@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Tajawal:wght@300;400;500;700&display=swap');

:root {
    --bg-main: #0a0c10;
    --bg-card: #11141b;
    --bg-input: #1c212c;
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --danger-color: #ef4444;
    --text-main: #f3f4f6;
    --text-dim: #9ca3af;
    --border-color: #2d333b;
    --radius-lg: 12px;
    --radius-md: 8px;
    --font-main: 'Inter', 'Tajawal', sans-serif;
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-strong: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

html,
body {
    height: 100%;
    overflow: hidden;
    width: 100%;
    max-width: 100vw;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
    outline: none;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    overflow-x: hidden;
    padding: 20px;
    padding-top: 90px;
    padding-bottom: 90px;
    width: 100%;
    max-width: 100vw;
}

.chat-layout {
    width: 100%;
    max-width: 1240px;
    display: flex;
    flex-direction: row-reverse;
    gap: 16px;
    flex: 1;
    margin: 0 auto;
    min-height: 0;
    height: calc(100vh - 180px);
    overflow: hidden;
}

.chat-main {
    flex: 1;
    min-width: 0;
    position: relative;
    display: flex;
    min-height: 0;
    height: 100%;
    overflow: hidden;
}

.chat-header {
    background: rgba(10, 12, 16, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 15px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-strong);
    width: 100%;
    max-width: 100vw;
}

.chat-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

#chat-container {
    flex: 1;
    width: 100%;
    margin: 0 auto;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 20px;
    padding-bottom: 0px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) transparent;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-strong);
    border: 1px solid var(--border-color);
    max-width: 100%;
}

#chat-container::-webkit-scrollbar {
    width: 6px;
}

#chat-container::-webkit-scrollbar-track {
    background: transparent;
}

#chat-container::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #2563eb);
    border-radius: 10px;
}

#profile-description::-webkit-scrollbar {
    width: 6px;
}

#profile-description::-webkit-scrollbar-track {
    background: transparent;
}

#profile-description::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #2563eb);
    border-radius: 10px;
}

.message {
    display: flex;
    align-items: flex-start;
    margin-bottom: 24px;
    animation: messageAppear 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    width: 100%;
    direction: ltr;
    max-width: 100%;
}

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

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

.message img.avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    margin-right: 12px;
    object-fit: cover;
    box-shadow: var(--shadow-soft);
    border: 2px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.message .text {
    flex: 0 1 auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
    max-width: calc(100% - 58px);
    overflow: hidden;
}

.my-message {
    justify-content: flex-end;
}

.other-message {
    justify-content: flex-start;
}

.my-message .avatar {
    order: 2;
    margin-left: 12px;
    margin-right: 0;
}

.my-message .text {
    align-items: flex-end;
    order: 1;
}

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

.other-message .message-content {
    background: var(--bg-input);
    border-radius: 6px 22px 22px 22px;
}

.other-message:has(+ .other-message.consecutive) .message-content {
    border-radius: 6px 22px 22px 6px;
}

.my-message .message-content {
    background: rgba(59, 130, 246, 0.18);
    border-radius: 22px 6px 22px 22px;
    border-color: rgba(59, 130, 246, 0.35);
}

.my-message:has(+ .my-message.consecutive) .message-content {
    border-radius: 22px 6px 6px 22px;
}

.message.consecutive {
    margin-top: -20px;
}

.other-message.consecutive .avatar,
.my-message.consecutive .avatar {
    visibility: hidden;
}

.message.consecutive .message-header {
    display: none;
}

.message-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
    direction: ltr !important;
    max-width: 100%;
    overflow: hidden;
}

.my-message .message-header {
    flex-direction: row-reverse !important;
    justify-content: flex-start !important;
}

.other-message .message-header {
    flex-direction: row !important;
    justify-content: flex-start !important;
}

.message strong {
    font-size: 14px;
    color: #e2e8f0;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.admin-name {
    color: #38bdf8 !important;
}

.admin-label {
    background: linear-gradient(45deg, #3b82f6, #2563eb);
    color: white;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.timestamp {
    font-size: 11px;
    color: var(--text-dim);
    white-space: nowrap;
}

.message-content {
    padding: 12px 18px;
    font-size: 15px;
    line-height: 1.55;
    color: var(--text-main);
    display: inline-block;
    width: auto;
    max-width: min(420px, 75vw);
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    word-break: break-word;
    white-space: pre-wrap;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
    direction: ltr;
    text-align: left;
    transition: all 0.2s ease;
    vertical-align: top;
}

.message-content.media-content {
    display: block !important;
    width: fit-content !important;
    max-width: min(420px, 75vw) !important;
    padding: 8px !important;
    border-radius: 12px;
    overflow: hidden;
}

.message-content.media-content .media-stack {
    min-width: 0 !important;
    max-width: 100% !important;
}

.message-content.media-content .media-caption {
    width: 100% !important;
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
    display: block !important;
}

.message-content.media-content .media-caption > span {
    display: block !important;
}

.my-message .message-content.media-content .media-caption {
    text-align: right;
    direction: rtl;
}

.my-message .message-content.media-content .media-caption > span {
    direction: rtl;
    text-align: right;
}

.other-message .message-content.media-content .media-caption {
    text-align: left;
    direction: ltr;
}

.other-message .message-content.media-content .media-caption > span {
    direction: ltr;
    text-align: left;
}

.message-content.media-content .media-attachment {
    display: block !important;
    grid-row: 2;
    line-height: 1.4;
    width: 100%;
    max-width: 100%;
}

.my-message .message-content.media-content .media-attachment {
    margin-left: auto;
    margin-right: 0;
    text-align: right;
    direction: rtl;
}

.other-message .message-content.media-content .media-attachment {
    margin-left: 0;
    margin-right: auto;
    text-align: left;
    direction: ltr;
}

.message-content.media-content > .media-caption {
    grid-row: 1;
}

.message-content.media-content > img.chat-media-image,
.message-content.media-content > video.chat-media-video,
.message-content.media-content > audio,
.message-content.media-content > .file-attachment {
    grid-row: 2;
}

.message-content.media-content .media-attachment > .chat-media-image,
.message-content.media-content .media-attachment > .chat-media-video,
.message-content.media-content .media-attachment > .youtube-embed,
.message-content.media-content .media-attachment > .youtube-shorts-embed,
.message-content.media-content .media-attachment > audio,
.message-content.media-content .media-attachment > .file-attachment {
    margin-top: 0;
}

.my-message .message-content.media-content > img.chat-media-image,
.my-message .message-content.media-content > video.chat-media-video {
    margin-left: auto;
    margin-right: 0;
}

.other-message .message-content.media-content > img.chat-media-image,
.other-message .message-content.media-content > video.chat-media-video {
    margin-left: 0;
    margin-right: auto;
}

.message img.chat-media-image,
.message video.chat-media-video {
    max-width: 100%;
    max-height: 320px;
    width: auto;
    height: auto;
    border-radius: 12px;
    margin: 0;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-fast);
    display: block !important;
    float: none !important;
    clear: both;
    object-fit: contain;
}

.message-content.media-content img.chat-media-image,
.message-content.media-content video.chat-media-video,
.message-content.media-content .media-attachment img,
.message-content.media-content .media-attachment video {
    max-width: 100%;
    max-height: 320px;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
}

.message img.chat-media-zoomable {
    cursor: zoom-in;
}

.message .youtube-embed,
.message .youtube-shorts-embed {
    display: block;
    width: 100%;
    max-width: 100%;
    margin-top: 0;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    background: #000;
}

.message .youtube-embed {
    aspect-ratio: 16 / 9;
    height: auto;
    min-height: 160px;
}

.message .youtube-shorts-embed {
    aspect-ratio: 9 / 16;
    max-width: 280px;
    height: auto;
    min-height: 200px;
}

.my-message .youtube-embed,
.my-message .youtube-shorts-embed {
    margin-left: auto;
    margin-right: 0;
}

.other-message .youtube-embed,
.other-message .youtube-shorts-embed {
    margin-left: 0;
    margin-right: auto;
}

.message img.chat-media-image:hover,
.message video.chat-media-video:hover {
    transform: scale(1.02);
}

@media screen and (min-width: 769px) {
    .message img.chat-media-image,
    .message video.chat-media-video,
    .message-content.media-content img.chat-media-image,
    .message-content.media-content video.chat-media-video,
    .message-content.media-content .media-attachment img,
    .message-content.media-content .media-attachment video {
        max-width: 100%;
        max-height: min(520px, 70vh);
    }

    .message .youtube-embed {
        max-width: 560px;
        min-height: 200px;
    }

    .message .youtube-shorts-embed {
        max-width: 320px;
    }
}

.media-lightbox-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1600;
    background: rgba(0, 0, 0, 0.85);
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.media-lightbox-backdrop.open {
    display: flex;
}

.media-lightbox-backdrop img {
    max-width: min(92vw, 1200px);
    max-height: min(88vh, 900px);
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-strong);
}

.media-lightbox-close {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1601;
    background: rgba(0, 0, 0, 0.55);
    border: none;
    color: white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: background var(--transition-fast);
}

.media-lightbox-close:hover {
    background: rgba(0, 0, 0, 0.75);
}

.message audio {
    width: 260px;
    max-width: 100%;
    height: 44px;
    border-radius: 22px;
    margin-top: 6px;
    box-shadow: var(--shadow-soft);
    display: block;
}

.my-message audio {
    margin-left: auto;
    margin-right: 0;
}

.other-message audio {
    margin-left: 0;
    margin-right: auto;
}

.file-attachment {
    display: flex !important;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    min-width: 0;
    width: fit-content;
    max-width: 100%;
    line-height: 1.5;
    color: var(--text-main);
    font-size: 14px;
    padding: 4px 0;
}

.my-message .file-attachment {
    margin-left: auto;
    margin-right: 0;
    flex-direction: row;
    text-align: right;
    direction: rtl;
}

.other-message .file-attachment {
    margin-left: 0;
    margin-right: auto;
    flex-direction: row;
    text-align: left;
    direction: ltr;
}

.file-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    direction: ltr;
    text-align: left;
    flex: 1;
    min-width: 0;
    color: var(--text-main);
    font-size: 13px;
}

.download-link {
    color: #38bdf8;
    font-size: 16px;
    text-decoration: none;
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.download-link:hover {
    color: #3b82f6;
}

.mention-link {
    color: #7289da;
    background: rgba(114, 137, 218, 0.15);
    padding: 1px 4px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.15s;
    text-decoration: none;
}

.mention-link:hover {
    background: rgba(114, 137, 218, 0.35);
    color: #8ea1e1;
}

.options {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 0;
    opacity: 0;
    transition: opacity var(--transition-normal);
    align-self: center;
    min-width: 28px;
    flex-shrink: 0;
}

.options {
    opacity: 0;
    transition: opacity var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 4px;
}

.message:hover .options {
    opacity: 1;
}

.options button {
    background: transparent;
    color: var(--text-dim);
    border: none;
    cursor: pointer;
    font-size: 13px;
    padding: 4px;
    transition: all var(--transition-fast);
}

.options button:hover {
    color: #38bdf8;
    transform: scale(1.1);
}

.delete-btn:hover {
    color: var(--danger-color) !important;
}

.message-body {
    display: inline-flex;
    align-items: flex-start;
    gap: 8px;
    width: fit-content;
    max-width: 100%;
    overflow: hidden;
}

.message-body > .message-content {
    flex: 0 1 auto;
    min-width: 0;
}

.my-message .message-body {
    flex-direction: row;
}

.other-message .message-body {
    flex-direction: row-reverse;
}

#typing-indicator {
    position: fixed;
    bottom: 85px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 13px;
    color: var(--text-dim);
    animation: pulse 1.5s infinite;
}

.users-sidebar {
    width: 300px;
    max-width: 32vw;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-strong);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.users-sidebar-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 700;
    flex-shrink: 0;
}

.users-sections {
    padding: 12px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) transparent;
    flex: 1;
    min-height: 0;
}

.users-sections::-webkit-scrollbar {
    width: 6px;
}

.users-sections::-webkit-scrollbar-track {
    background: transparent;
}

.users-sections::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #2563eb);
    border-radius: 10px;
}

.users-section-title {
    font-size: 13px;
    color: var(--text-dim);
    margin: 10px 0 8px;
    font-weight: 600;
}

.users-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.users-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    font-size: 14px;
}

.users-list .user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.users-list .user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.users-list .user-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-in-call {
    display: inline;
    font-size: 0.7rem;
    color: var(--accent-primary);
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
    margin-left: 0;
}

.user-in-call-sep {
    display: inline;
    color: var(--text-dim);
    font-weight: 400;
    margin: 0 2px;
}

.copy-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    background: rgba(59, 130, 246, 0.92);
    color: #fff;
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 13px;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.copy-toast.copy-toast-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.copy-toast.copy-toast-hide {
    opacity: 0;
    transform: translateX(-50%) translateY(8px);
}

.user-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-left: 6px;
}

.status-online { background: #22c55e; }
.status-idle { background: #f59e0b; }
.status-dnd { background: #ef4444; }
.status-offline { background: #64748b; }

.mobile-users-toggle {
    display: none;
    position: fixed;
    top: 88px;
    right: 12px;
    z-index: 1200;
    background: rgba(59, 130, 246, 0.9);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 8px 14px;
    cursor: pointer;
}

.user-users-toggle {
    display: inline-flex;
}

.user-panel {
    position: static;
    z-index: auto;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    padding: 6px 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 180px;
    max-width: 300px;
}

.user-panel img {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.12);
}

.user-panel .user-meta {
    flex: 1;
    min-width: 0;
}

.user-panel .user-name {
    font-weight: 700;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-panel .user-sub {
    font-size: 12px;
    color: var(--text-dim);
    display: none;
}

.user-panel .user-actions {
    display: flex;
    gap: 8px;
}

.icon-btn {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: var(--text-dim);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.icon-btn:hover {
    transform: translateY(-1px);
    background: #2d333b;
    color: white;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 2000;
    display: none;
}

.modal-backdrop.open {
    display: block;
}

.settings-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(980px, 96vw);
    height: min(640px, 86vh);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    box-shadow: var(--shadow-strong);
    display: flex;
    overflow: hidden;
}

.settings-nav {
    width: 240px;
    background: var(--bg-input);
    border-right: 1px solid var(--border-color);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 0;
    position: relative;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) transparent;
}

.settings-nav::-webkit-scrollbar {
    width: 6px;
}

.settings-nav::-webkit-scrollbar-track {
    background: transparent;
}

.settings-nav::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #2563eb);
    border-radius: 10px;
}

.settings-content {
    flex: 1;
    min-width: 0;
    padding: 16px 18px;
    overflow: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) transparent;
}

.settings-content::-webkit-scrollbar {
    width: 6px;
}

.settings-content::-webkit-scrollbar-track {
    background: transparent;
}

.settings-content::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #3b82f6, #2563eb);
    border-radius: 10px;
}

.settings-nav button[data-tab] {
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
}

.settings-nav button[data-tab].active {
    background: rgba(59, 130, 246, 0.16);
    border-color: rgba(59, 130, 246, 0.25);
    color: white;
}

.settings-nav .logout-nav-btn {
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(239, 68, 68, 0.25);
    background: rgba(239, 68, 68, 0.14);
    color: #fca5a5;
    cursor: pointer;
    font-weight: 700;
    font-size: 14px;
    margin-top: auto;
}

.settings-nav .logout-nav-btn:hover {
    background: rgba(239, 68, 68, 0.25);
    color: #fecaca;
}

.mobile-close-settings-nav {
    display: none;
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 10;
}

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.settings-header h2 {
    font-size: 18px;
    margin: 0;
    flex: 1;
}

.settings-back-btn {
    display: none;
}

.card {
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    border-radius: 14px;
    padding: 14px;
    margin-bottom: 12px;
}

.card h3 {
    font-size: 15px;
    margin-bottom: 8px;
    color: var(--text-dim);
}

.field-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.field-row label {
    width: 140px;
    color: var(--text-dim);
    font-size: 13px;
}

.field-row .value {
    flex: 1;
    min-width: 0;
    font-family: var(--font-main);
    font-size: 13px;
    color: white;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    direction: ltr;
    text-align: left;
}

.primary-btn {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border: none;
    color: white;
    padding: 10px 12px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
}

.danger-btn {
    background: rgba(239, 68, 68, 0.14);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #fca5a5;
    padding: 10px 12px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
}

.input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: white;
    transition: all var(--transition-fast);
}

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

.device-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 8px;
}

.device-icon {
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 18px;
}

.device-info {
    flex: 1;
    min-width: 0;
}

.device-os {
    font-size: 14px;
    font-weight: 600;
    color: white;
    display: flex;
    align-items: center;
    gap: 6px;
}

.device-meta {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 2px;
}

.current-badge {
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.input[type="file"] {
    padding: 8px;
    cursor: pointer;
    background: var(--bg-input);
    border: 1px dashed var(--border-color);
}

.input[type="file"]::file-selector-button {
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-hover));
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 8px;
    margin-right: 15px;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 500;
    font-family: var(--font-main);
}

.input[type="file"]::file-selector-button:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
}

.muted {
    color: var(--text-dim);
    font-size: 13px;
}

.themes-grid,
.fonts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}

.theme-item,
.font-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.font-item-preview {
    font-size: 20px;
    line-height: 1.45;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    white-space: normal;
    word-break: break-word;
    font-family: var(--font-main);
}

.font-item-preview,
.font-item .font-item-preview {
    isolation: isolate;
}

.settings-intro-card h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.settings-intro-card p {
    margin: 0;
    line-height: 1.5;
}

.settings-upload-card {
    text-align: center;
    padding: 25px;
    border: 1px dashed rgba(255, 255, 255, 0.12);
    margin-bottom: 16px;
}

.settings-upload-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.settings-file-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 12px 24px;
    font-size: 15px;
}

.settings-upload-hint {
    margin: 12px 0 0;
}

.info-tab {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.info-tab > .info-hero-card {
    margin-bottom: 28px;
}

.info-tab > .info-section {
    margin-bottom: 32px;
}

.info-tab > .info-section:last-child {
    margin-bottom: 0;
}

.info-hero-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 22px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(37, 99, 235, 0.06));
    border-color: rgba(59, 130, 246, 0.25);
}

.info-hero-card h3 {
    margin: 0 0 6px;
    font-size: 18px;
}

.info-hero-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.35);
}

.info-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding-top: 4px;
}

.info-section-title {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-section-title i {
    color: var(--accent-primary);
    font-size: 14px;
}

.info-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.info-table thead {
    background: rgba(59, 130, 246, 0.1);
}

.info-table th {
    text-align: left;
    padding: 12px 14px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
}

.info-table td {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(45, 51, 59, 0.6);
    color: var(--text-main);
    vertical-align: top;
    line-height: 1.45;
}

.info-table tbody tr:last-child td {
    border-bottom: none;
}

.info-table tbody tr:hover td {
    background: rgba(59, 130, 246, 0.05);
}

.info-table code {
    background: rgba(59, 130, 246, 0.15);
    color: #93c5fd;
    padding: 2px 7px;
    border-radius: 6px;
    font-size: 12px;
    font-family: var(--font-main);
    white-space: nowrap;
}

.info-table-compact td:first-child {
    width: 56px;
    text-align: center;
}

.info-badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
}

.info-badge.everyone {
    background: rgba(34, 197, 94, 0.15);
    color: #86efac;
}

.info-badge.perm {
    background: rgba(59, 130, 246, 0.18);
    color: #93c5fd;
}

.info-footnote {
    margin: 4px 0 0;
    font-size: 12px;
}

.toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #334155;
    transition: .3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

.toggle-switch input:checked+.toggle-slider {
    background-color: #3b82f6;
}

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

.avatar-change-wrapper {
    position: relative;
    cursor: pointer;
    display: inline-block;
    flex-shrink: 0;
}

.avatar-change-wrapper img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    display: block;
}

.avatar-change-overlay {
    position: absolute;
    bottom: 0;
    right: 0;
    background: var(--accent-primary);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.avatar-change-overlay i {
    font-size: 12px;
    color: white;
}

.account-tab {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    padding-bottom: 24px;
    width: 100%;
}

.account-profile-card {
    width: 100%;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-strong);
}

.account-profile-banner {
    height: 120px;
    background-color: var(--accent-primary);
    background-size: cover;
    background-position: center;
    position: relative;
    cursor: pointer;
}

.account-profile-banner:hover .account-banner-overlay {
    opacity: 1;
}

.account-banner-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
    color: white;
    font-size: 22px;
    pointer-events: none;
}

.account-banner-remove-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 5;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    background: rgba(0, 0, 0, 0.55);
    color: #fca5a5;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.account-banner-remove-btn:hover {
    background: rgba(239, 68, 68, 0.75);
    color: white;
}

.account-profile-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin: 0 0 8px;
    padding-top: 10px;
    position: relative;
    z-index: 2;
}

.account-profile-row .avatar-change-wrapper {
    margin-top: -60px;
}

.account-media-toolbar {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-end;
    gap: 6px;
    padding: 0;
    flex: 1;
    min-width: 0;
    margin-top: 4px;
}

.account-media-toolbar-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.account-media-toolbar .primary-btn {
    padding: 7px 14px;
    font-size: 12px;
}

.account-media-toolbar .primary-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.account-toolbar-delete {
    width: 34px;
    height: 34px;
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.35);
    border-radius: 10px;
}

.account-toolbar-delete:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #fecaca;
}

.account-media-status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    min-height: 0;
}

.account-media-status .muted {
    font-size: 12px;
}

.account-profile-body {
    padding: 0 16px 16px;
    position: relative;
}

.account-profile-body .avatar-change-wrapper {
    position: relative;
    flex-shrink: 0;
}

.account-profile-body .avatar-change-wrapper img {
    width: 80px;
    height: 80px;
    border: 4px solid var(--bg-card);
}

.account-profile-header {
    margin-top: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.account-field-clickable {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 4px 8px;
    margin: -4px -8px;
    border-radius: 6px;
    transition: background 0.15s;
    width: fit-content;
    max-width: 100%;
}

.account-field-clickable:hover {
    background: rgba(255, 255, 255, 0.06);
}

.account-field-clickable strong {
    font-size: 20px;
    color: var(--text-main);
}

.account-field-clickable .account-username-text {
    font-size: 14px;
    color: var(--text-dim);
}

.account-edit-icon {
    font-size: 11px;
    color: var(--text-dim);
    opacity: 1;
    flex-shrink: 0;
}

.account-about-card {
    margin-top: 16px;
    background: var(--bg-input);
    border-radius: 8px;
    padding: 12px;
    border: 1px solid var(--border-color);
}

.account-about-card h4 {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 8px;
    font-weight: 600;
}

.account-about-clickable {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    padding: 4px;
    margin: -4px;
    border-radius: 6px;
    transition: background 0.15s;
}

.account-about-clickable:hover {
    background: rgba(255, 255, 255, 0.04);
}

#account-description {
    flex: 1;
    font-size: 14px;
    color: var(--text-main);
    white-space: pre-wrap;
    word-break: break-word;
    min-width: 0;
}

.account-member-since {
    margin-top: 12px;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.account-member-since h4 {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 4px;
    font-weight: 600;
}

.account-member-since div {
    font-size: 14px;
    color: var(--text-main);
}

.account-edit-panel {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px;
    margin-top: -8px;
}

.account-security-section {
    width: 100%;
    margin-top: 32px;
}

.account-profile-zone {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.account-section-title {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin: 0 0 10px 4px;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.security-card {
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    border-radius: 12px;
    overflow: hidden;
}

.security-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s;
}

.security-item:last-child {
    border-bottom: none;
}

.security-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.security-item-status {
    cursor: default;
}

.security-item-status:hover {
    background: transparent;
}

.security-item-info {
    flex: 1;
    min-width: 0;
}

.security-item-info label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 3px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.security-item-info .value {
    font-size: 14px;
    color: var(--text-main);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.security-item .security-chevron {
    color: var(--text-dim);
    font-size: 12px;
    flex-shrink: 0;
}

.security-item-status select {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
}

.security-expand-panel {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px;
    margin-top: 8px;
}

.security-expand-panel .field-row {
    flex-wrap: wrap;
}

.security-expand-panel .field-row label {
    width: 100%;
    margin-bottom: 4px;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

#message-form {
    display: flex;
    align-items: center;
    padding: 16px;
    background: rgba(10, 12, 16, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    gap: 12px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-top: 1px solid var(--border-color);
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.selected-file-preview {
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: rgba(10, 12, 16, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 8px 10px;
    z-index: 1001;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: var(--shadow-soft);
    width: 100%;
}

.selected-file-preview.active {
    display: flex;
}

.selected-file-meta {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    padding-inline: 4px;
}

.selected-file-meta i {
    color: #38bdf8;
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}

.selected-file-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.selected-file-clear {
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.25);
    width: 30px;
    height: 30px;
    border-radius: 8px;
}

.selected-file-clear:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #fecaca;
}

.selected-file-preview .icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
}

#message-input {
    flex: 1;
    padding: 14px 20px;
    font-size: 15px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    color: white;
    transition: all var(--transition-normal);
    resize: none;
    min-height: 48px;
    max-height: 150px;
    line-height: 1.4;
    overflow-y: auto;
    scrollbar-width: none;
}

#message-input::-webkit-scrollbar {
    display: none;
}

#message-input:focus {
    background: #2d333b;
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

#message-input::placeholder {
    color: var(--text-dim);
}

.form-button {
    background: var(--bg-input);
    color: var(--text-dim);
    border: 1px solid var(--border-color);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-button:hover {
    background: #2d333b;
    color: white;
    transform: scale(1.05);
}

#send-button {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border: none;
    color: white;
}

#send-button:hover {
    transform: scale(1.05) rotate(-10deg);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

#record-button {
    order: 1;
    background: linear-gradient(45deg, #22c55e, #16a34a);
    border: none;
    color: white;
}

#message-input {
    order: 2;
}

#upload-file-button {
    order: 3;
}

#send-button {
    order: 4;
}

@media screen and (max-width: 768px) {
    :root {
        --mobile-message-bar-height: 70px;
    }

    html,
    body {
        overflow: hidden;
        position: fixed;
        width: 100%;
        max-width: 100vw;
    }

    body {
        padding: 0;
    }

    .chat-layout {
        padding: 80px 10px 70px 10px;
        display: block;
        height: calc(100vh - 70px);
        overflow: hidden;
    }

    .chat-header {
        padding: 12px 16px;
        border-radius: 0;
    }

    .chat-main {
        height: 100%;
        overflow: hidden;
    }

    #chat-container {
        border-radius: var(--radius-md);
        padding: 15px;
        height: 100%;
        overflow-x: hidden;
        max-width: 100vw;
    }

    .mobile-users-toggle {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .users-sidebar {
        position: fixed;
        right: 0;
        top: var(--mobile-header-height, 74px);
        bottom: var(--mobile-message-bar-height, 70px);
        width: 86%;
        max-width: 340px;
        border-radius: 0;
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        z-index: 900;
        height: auto;
        max-height: none;
    }

    .users-sidebar.open {
        transform: translateX(0);
        z-index: 1100;
    }

    .message-content {
        max-width: 75vw;
        font-size: 14px;
    }

    .message-content.media-content {
        max-width: min(420px, 75vw) !important;
    }

    .message .text {
        max-width: calc(100% - 58px);
    }

    #message-form {
        padding: 12px;
        gap: 8px;
        border-radius: 0;
    }

    .selected-file-preview {
        width: 100%;
        border-radius: 14px;
        padding: 8px 10px;
    }

    .form-button {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }

    #message-input {
        padding: 10px 16px;
        font-size: 14px;
        min-height: 40px;
    }

    .user-panel {
        min-width: 140px;
        max-width: 210px;
    }

    .user-panel .user-sub {
        display: none;
    }

    .settings-modal {
        flex-direction: column;
        width: 100vw;
        height: 100vh;
        max-width: 100vw;
        max-height: 100vh;
        border-radius: 0;
        top: 0;
        left: 0;
        transform: none;
    }

    .settings-nav {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        flex-shrink: 0;
        padding: 16px;
        padding-top: 60px;
        gap: 10px;
        overflow-y: auto;
    }

    .settings-nav button[data-tab] {
        padding: 14px 16px;
        font-size: 16px;
    }

    .settings-nav .logout-nav-btn {
        padding: 14px 16px;
        font-size: 16px;
        margin-top: 8px;
    }

    .settings-content {
        display: none;
        padding: 16px;
        overflow-y: auto;
        flex: 1;
    }

    .settings-modal.show-content .settings-nav {
        display: none;
    }

    .settings-modal.show-content .settings-content {
        display: block;
    }

    .settings-back-btn {
        display: inline-flex;
    }

    .mobile-close-settings-nav {
        display: inline-flex;
    }
}

@media screen and (min-width: 769px) {
    .users-sidebar.desktop-hidden {
        display: none;
    }

    .settings-back-btn {
        display: none;
    }

    .settings-modal.show-content .settings-nav {
        display: flex;
    }

    .settings-modal.show-content .settings-content {
        display: block;
    }
}

.context-menu {
    position: fixed;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px;
    min-width: 200px;
    box-shadow: var(--shadow-strong);
    z-index: 9999;
    display: none;
    flex-direction: column;
    gap: 4px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.context-menu-item {
    background: transparent;
    border: none;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    transition: all var(--transition-fast);
    text-align: right;
    direction: rtl;
}

.context-menu-item:hover {
    background: var(--bg-input);
}

.context-menu-item.danger {
    color: var(--danger-color);
}

.context-menu-item.danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

.reply-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-md);
    padding: 8px 16px;
    margin-bottom: 12px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    direction: rtl;
}

.reply-preview-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-main);
    font-size: 14px;
    font-weight: 500;
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
}

.reply-preview-label {
    color: var(--accent-primary);
    font-weight: 700;
    margin-left: 4px;
}

.reply-preview-content-text {
    font-size: 13px;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 0 1 auto;
    min-width: 0;
    max-width: min(240px, 75vw);
}

.message-reply-reference {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 4px;
    cursor: pointer;
    user-select: none;
    transition: color var(--transition-fast);
    padding-right: 20px;
    position: relative;
    direction: rtl;
    width: fit-content;
    max-width: min(320px, 88vw);
    overflow: hidden;
}

.message-reply-reference::before {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    width: 14px;
    height: 14px;
    border-right: 2px solid var(--text-dim);
    border-top: 2px solid var(--text-dim);
    border-top-right-radius: 4px;
    transform: translateY(-20%);
}

.other-message .message-reply-reference {
    direction: ltr;
    padding-right: 0;
    padding-left: 20px;
}

.other-message .message-reply-reference::before {
    right: auto;
    left: 0;
    border-right: none;
    border-left: 2px solid var(--text-dim);
    border-top-right-radius: 0;
    border-top-left-radius: 4px;
}

.other-message .message-reply-reference .fa-reply {
    transform: scaleX(-1);
    display: inline-block;
}

.message-reply-reference:hover {
    color: var(--text-main);
}

.message-reply-reference img.reply-thumb {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    object-fit: cover;
}

.highlight-message {
    animation: highlightFlash 2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes highlightFlash {
    0% {
        background-color: rgba(59, 130, 246, 0.3);
    }
    100% {
        background-color: transparent;
    }
}

@keyframes fadeOut {
    to { opacity: 0; transform: translateY(20px); }
}

@keyframes slideOut {
    to { transform: translateX(100%); opacity: 0; }
}