.image-viewer-modal {
    display: none;
    position: fixed;
    z-index: 20000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s;
}

.image-viewer-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-viewer-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    animation: zoom 0.3s;
}

@keyframes zoom {
    from {
        transform: scale(0.7);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.image-viewer-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 20001;
}

.image-viewer-close:hover {
    color: #bbb;
    text-decoration: none;
}

.media-menu .menu-item:hover {
    background: #f1f5f9;
    color: #3b82f6;
}

.media-btn:hover {
    background: #f1f5f9;
    color: #3b82f6;
    transform: rotate(90deg);
}

:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --bg-color: #f8fafc;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --danger-color: #ef4444;
    --success-color: #22c55e;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-color);
    color: var(--text-main);
    height: 100%;
    height: 100dvh;
    overflow: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    height: 100dvh;
    overflow: hidden;
}

.top-navbar {
    height: 64px;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
    z-index: 100;
}

.nav-left .brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-left .brand-icon {
    width: 36px;
    height: 36px;
    background: #eff6ff;
    color: var(--primary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-left h2 {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-right: 20px;
    border-right: 1px solid #e2e8f0;
}

.nav-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid transparent;
    background: transparent;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-btn:hover {
    background: #f1f5f9;
    color: var(--primary-color);
}

.nav-btn.highlight {
    background: #eff6ff;
    color: #3b82f6;
    border-color: #dbeafe;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: #f1f5f9;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    line-height: 1.2;
}

.user-role {
    font-size: 11px;
    color: #94a3b8;
}

.btn-logout-mini {
    margin-left: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    background: white;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s;
}

.admin-layout {
    display: flex;
    flex: 1;
    height: calc(100vh - 64px);
    overflow: hidden;
    position: relative;
    padding-bottom: 50px;
}

.sessions-sidebar {
    width: 320px;
    background: #fff;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sessions-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
    padding-bottom: 150px;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-top: 1px solid #f1f5f9;
    z-index: 10;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.03);
}

.sidebar-header-compact {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--sidebar-bg);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .brand-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    background: #eff6ff;
    border-radius: 8px;
    font-size: 18px;
}

.sidebar-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
}

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

.btn-refresh,
.btn-system-settings,
.btn-code,
.btn-clear-all {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-refresh:hover,
.btn-system-settings:hover,
.btn-code:hover,
.btn-clear-all:hover {
    background: #f1f5f9;
    color: var(--primary-color);
}

.stats-bar {
    display: flex;
    padding: 12px 20px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-bar .stat-item {
    flex: 1;
    text-align: center;
}

.stats-bar .label {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    color: #64748b;
    margin-bottom: 4px;
}

.stats-bar .value {
    display: block;
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
}

.filter-tabs {
    display: flex;
    padding: 12px 20px;
    gap: 8px;
    border-bottom: 1px solid #e2e8f0;
}


.tab-btn:hover {
    background: #f8fafc;
    color: var(--primary-color);
    border-color: #cbd5e1;
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tab-btn[data-status="internal"].active {
    background: #0ea5e9;
    border-color: #0ea5e9;
}

.visitor-note-badge {
    font-size: 10px;
    background: #fff7ed;
    color: #c2410c;
    padding: 1px 6px;
    border-radius: 4px;
    border: 1px solid #ffedd5;
    margin-left: 6px;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    vertical-align: middle;
}

.more-actions-dropdown {
    position: relative;
    display: inline-block;
}

.btn-more {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-more:hover {
    background: #f1f5f9;
    color: var(--primary-color);
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 8px;
    background-color: white;
    min-width: 140px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    z-index: 1000;
    padding: 6px;
    animation: fadeIn 0.2s ease-out;
}

.more-actions-dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-item {
    padding: 10px 12px;
    font-size: 13px;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.member-checkbox-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    margin-bottom: 10px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.member-checkbox-item:hover {
    border-color: #4f46e5;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.08);
    background: #fcfcff;
}

.member-info-wrapper {
    display: flex;
    align-items: center;
    gap: 14px;
}

.member-avatar {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    overflow: hidden;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e2e8f0;
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.member-nickname {
    font-weight: 600;
    font-size: 15px;
    color: #0f172a;
}

.member-role-tag {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 6px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.role-admin {
    background: #fee2e2;
    color: #ef4444;
}

.role-agent {
    background: #e0e7ff;
    color: #4f46e5;
}

.custom-checkbox {
    position: relative;
    width: 20px;
    height: 20px;
}

.custom-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkbox-mark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #fff;
    border: 2px solid #cbd5e1;
    border-radius: 6px;
    transition: all 0.2s;
}

.member-checkbox-item:hover .checkbox-mark {
    border-color: #94a3b8;
}

.custom-checkbox input:checked~.checkbox-mark {
    background-color: #4f46e5;
    border-color: #4f46e5;
}

.checkbox-mark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.custom-checkbox input:checked~.checkbox-mark:after {
    display: block;
}

#memberSearchInput:focus {
    border-color: #4f46e5 !important;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.dropdown-item:hover {
    background-color: #f8fafc;
    color: var(--primary-color);
}

.dropdown-item.danger:hover {
    background-color: #fef2f2;
    color: #ef4444;
}

.dropdown-item svg {
    flex-shrink: 0;
}

.btn-group-chat {
    width: 32px;
    height: 32px;
    background: #eff6ff;
    color: #3b82f6;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-group-chat:hover {
    background: #dbeafe;
    transform: scale(1.05);
}

.sessions-list {
    flex: 1;
    overflow-y: auto;
}

.session-item {
    padding: 16px 20px;
    border-bottom: 1px solid #e2e8f0;
    transition: background 0.2s;
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.session-item:hover {
    background: #f8fafc;
}

.session-item.active {
    background: #eff6ff;
    border-left: 3px solid var(--primary-color);
}

.session-item .session-content {
    flex: 1;
    cursor: pointer;
    min-width: 0;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

.session-item .delete-session-btn {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: none;
    background: #fee2e2;
    color: #ef4444;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    opacity: 0;
}

.session-item:hover .delete-session-btn {
    opacity: 1;
}

.session-item .delete-session-btn:hover {
    background: #ef4444;
    color: white;
    transform: scale(1.05);
}

.session-item .session-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 8px;
}

.session-item .visitor-info-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.session-item .visitor-name {
    font-weight: 500;
    color: #1e293b;
    font-size: 14px;
}

.session-item .visitor-phone {
    font-size: 12px;
    color: #64748b;
}

.session-item .time {
    font-size: 11px;
    color: #94a3b8;
    flex-shrink: 0;
}

.session-item .last-message {
    font-size: 13px;
    color: #64748b;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.session-item .unread-badge {
    position: absolute;
    top: 16px;
    right: 20px;
    background: #ef4444;
    color: white;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.session-item .status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    margin-left: 8px;
}

.session-item .status-badge.active {
    background: #dcfce7;
    color: #16a34a;
}

.session-item .status-badge.closed {
    background: #f1f5f9;
    color: #64748b;
}

.empty-state {
    padding: 40px 20px;
    text-align: center;
    color: #94a3b8;
    font-size: 14px;
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #f8fafc;
}

.empty-chat {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-chat p {
    font-size: 16px;
}

.chat-area {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-header {
    background: white;
    padding: 20px 24px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.visitor-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.visitor-info .avatar {
    width: 40px;
    height: 40px;
    background: #eff6ff;
    color: var(--primary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border: 1px solid #bfdbfe;
}

.visitor-info h3 {
    font-size: 16px;
    color: #1e293b;
    margin-bottom: 4px;
}

.visitor-info .time {
    font-size: 12px;
    color: #94a3b8;
}

.actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.btn-close-session {
    padding: 8px 16px;
    background: #fee2e2;
    color: #dc2626;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-close-session:hover {
    background: #fecaca;
}

.btn-back {
    padding: 8px 16px;
    background: #f1f5f9;
    color: #64748b;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    text-decoration: none;
    transition: background 0.2s;
    display: inline-block;
}

.btn-back:hover {
    background: #e2e8f0;
}

.mobile-navbar {
    display: none;
}

.mobile-overlay {
    display: none;
}

.admin-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    padding-left: 20px;
    border-left: 1px solid #e2e8f0;
}

.admin-name {
    font-size: 13px;
    color: #475569;
    font-weight: 500;
}

.btn-logout {
    padding: 8px 16px;
    background: white;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-logout:hover {
    background: #f1f5f9;
    color: var(--danger-color);
    border-color: #fee2e2;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    background: #f8fafc;
}

.message {
    margin-bottom: 16px;
    animation: messageIn 0.3s ease-out;
    position: relative;
}

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

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

.message-content {
    display: inline-block;
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 16px;
    word-wrap: break-word;
    word-break: break-all;
    white-space: pre-wrap;
    line-height: 1.5;
}

.message-content img {
    max-width: 250px;
    max-height: 250px;
    border-radius: 8px;
    display: block;
    cursor: pointer;
    transition: transform 0.2s;
}

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

.message-content.image-message {
    padding: 4px;
    background: transparent !important;
    box-shadow: none !important;
}

.image-viewer-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    padding: 0;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.image-viewer-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-viewer-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    animation: zoomIn 0.3s ease-in-out;
}

@keyframes zoomIn {
    from {
        transform: scale(0.7);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.image-viewer-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 50px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 10001;
    line-height: 1;
}

.image-viewer-close:hover,
.image-viewer-close:focus {
    color: #bbb;
    text-decoration: none;
}

.message.visitor .message-content {
    background: white;
    color: var(--text-main);
    border-bottom-left-radius: 4px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.message.admin .message-content {
    background: var(--primary-color);
    color: white;
    border-bottom-right-radius: 4px;
    float: right;
    box-shadow: var(--shadow-sm);
}

.message.system .message-content {
    background: #f1f5f9;
    color: #64748b;
    font-size: 13px;
    text-align: center;
    max-width: 90%;
    margin: 0 auto;
    display: block;
    float: none;
}

.message-info {
    font-size: 11px;
    color: #94a3b8;
    margin-top: 4px;
    padding: 0 4px;
    clear: both;
}

.message-status {
    font-weight: 500;
    font-size: 10px;
    padding: 1px 4px;
    border-radius: 4px;
    transition: all 0.3s ease;
    margin-left: 4px;
}

.message-status.unread {
    color: #94a3b8;
    background: #f1f5f9;
}

.message-status.read {
    color: #059669;
    background: #ecfdf5;
    animation: statusPop 0.3s ease-out;
}

@keyframes statusPop {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

.message.visitor .message-info {
    text-align: left;
}

.message.admin .message-info {
    text-align: right;
    float: right;
    clear: both;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.chat-input-area {
    padding: 16px 24px;
    background: white;
    border-top: 1px solid #e2e8f0;
}

.input-wrapper {
    display: flex;
    gap: 12px;
    align-items: center;
}

.image-btn {
    background: white;
    color: #8b5cf6;
    border: 2px solid #e2e8f0;
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.image-btn:hover {
    border-color: #8b5cf6;
    background: #f8fafc;
    transform: translateY(-2px);
}

.image-btn:active {
    transform: translateY(0);
}

.image-preview {
    margin-top: 12px;
    position: relative;
    display: inline-block;
}

.image-preview img {
    max-width: 200px;
    max-height: 150px;
    border-radius: 12px;
    border: 2px solid #e2e8f0;
}

.cancel-image-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #ef4444;
    color: white;
    border: 2px solid white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    line-height: 1;
    transition: all 0.2s;
}

.cancel-image-btn:hover {
    background: #dc2626;
    transform: scale(1.1);
}

#replyInput {
    flex: 1;
    padding: 12px 0px 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 24px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

#replyInput:focus {
    border-color: #667eea;
}

.send-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.send-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

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

.sessions-list::-webkit-scrollbar,
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.sessions-list::-webkit-scrollbar-track,
.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.sessions-list::-webkit-scrollbar-thumb,
.chat-messages::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.sessions-list::-webkit-scrollbar-thumb:hover,
.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-mail-settings {
    background: rgba(59, 130, 246, 0.2);
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    transition: all 0.3s;
}

.btn-mail-settings:hover {
    background: rgba(59, 130, 246, 0.3);
    transform: rotate(90deg);
}

.btn-clear-all {
    background: rgba(239, 68, 68, 0.2);
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    transition: all 0.3s;
}

.btn-clear-all:hover {
    background: rgba(239, 68, 68, 0.4);
    transform: scale(1.1);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    background: white;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    background: white;
    color: var(--text-main);
    border-radius: 12px 12px 0 0;
}

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

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    line-height: 1;
}

.close-btn:hover {
    background: #f1f5f9;
    color: var(--text-main);
    transform: rotate(90deg);
}

.modal-body {
    padding: 25px;
    overflow-y: auto;
    flex: 1;
}

.modal-body::-webkit-scrollbar {
    width: 6px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.modal-footer {
    padding: 15px 25px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.form-section {
    margin-bottom: 25px;
}

.form-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #e2e8f0;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #475569;
    margin-bottom: 8px;
}

.required {
    color: #ef4444;
    margin-left: 2px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s;
}

@media (max-width: 768px) {
    .top-navbar {
        padding: 0 12px;
        height: 56px;
        z-index: 1001 !important;
    }

    .brand h2 {
        display: none;
    }

    .nav-actions {
        gap: 4px;
    }

    .nav-btn {
        width: 36px;
        height: 36px;
    }

    .user-info {
        display: none;
    }

    .admin-layout {
        flex-direction: column;
    }

    .sessions-sidebar {
        position: fixed;
        top: 64px !important;
        left: 0;
        bottom: 0;
        height: calc(100% - 64px) !important;
        width: 280px;
        transform: translateX(-100%);
        box-shadow: 20px 0 50px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .sessions-sidebar.show {
        transform: translateX(0);
    }

    .chat-main {
        width: 100% !important;
        height: calc(100vh - 56px);
    }

    .mobile-menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        margin-right: 8px;
        cursor: pointer;
        color: #64748b;
    }

    .stats-bar {
        padding: 12px;
    }

    .filter-tabs {
        padding: 8px;
        overflow-x: auto;
        white-space: nowrap;
        justify-content: flex-start;
    }
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 999;
    display: none;
}

.mobile-overlay.show {
    display: block;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-hint {
    display: block;
    font-size: 12px;
    color: #94a3b8;
    margin-top: 5px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
}

.checkbox-label span {
    font-size: 14px;
    font-weight: 500;
    color: #334155;
}

.input-group {
    display: flex;
    gap: 10px;
}

.input-group input {
    flex: 1;
}

.input-group .btn-test {
    padding: 10px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.input-group .btn-test:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.input-group .btn-test:active {
    transform: translateY(0);
}

.input-group .btn-test:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}


.test-section {
    background: #f8fafc;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.btn-primary,
.btn-secondary {
    padding: 10px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: #f1f5f9;
    color: #475569;
}

.btn-secondary:hover {
    background: #e2e8f0;
}

@media (max-width: 768px) {
    body {
        overflow: auto;
    }

    .admin-layout {
        position: relative;
        min-height: 100vh;
    }

    .sessions-sidebar {
        width: 100%;
        position: fixed;
        left: 0;
        top: 56px;
        z-index: 100;
        height: calc(100vh - 56px);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }

    .sessions-sidebar.show {
        transform: translateX(0);
    }

    .chat-main {
        width: 100%;
        position: relative;
        min-height: calc(100vh - 56px - 50px);
    }

    .mobile-navbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 56px;
        background: white;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        z-index: 99;
        padding: 0 15px;
    }

    .mobile-menu-btn {
        background: white;
        color: #667eea;
        border: 1px solid #e2e8f0;
        width: 40px;
        height: 40px;
        border-radius: 8px;
        font-size: 20px;
        cursor: pointer;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .mobile-menu-btn:hover {
        background: #f8fafc;
        border-color: #cbd5e1;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
        transform: translateY(-1px);
    }

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

    .mobile-menu-btn.active {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        border-color: transparent;
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    }

    .mobile-menu-btn.active:hover {
        box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
    }

    .mobile-navbar-center {
        display: flex;
        align-items: center;
        gap: 8px;
        flex: 1;
        justify-content: center;
    }

    .mobile-brand-icon {
        font-size: 22px;
        line-height: 1;
    }

    .mobile-brand-text {
        font-size: 16px;
        font-weight: 600;
        color: #1e293b;
    }

    .mobile-navbar-right {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
    }

    .mobile-nav-btn {
        background: white;
        color: #667eea;
        border: 1px solid #e2e8f0;
        width: 40px;
        height: 40px;
        border-radius: 8px;
        font-size: 18px;
        cursor: pointer;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-nav-btn:hover {
        background: #f8fafc;
        border-color: #cbd5e1;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
        transform: translateY(-1px);
    }

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

    .mobile-overlay {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 99;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .mobile-overlay.show {
        opacity: 1;
        visibility: visible;
    }

    .sidebar-header {
        padding: 15px;
    }

    .sidebar-header h2 {
        font-size: 16px;
    }

    .header-actions {
        gap: 8px;
    }

    .btn-mail-settings,
    .btn-clear-all,
    .btn-refresh {
        width: 32px;
        height: 32px;
        font-size: 16px;
        padding: 0;
    }

    .stats-bar {
        padding: 12px 15px;
    }

    .stat-item {
        font-size: 12px;
    }

    .filter-tabs {
        padding: 8px 15px;
    }



    .sessions-list {
        padding: 8px;
    }

    .session-item {
        padding: 12px;
        margin-bottom: 8px;
        border-radius: 12px;
        background: white;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }

    .session-item:active {
        background: #f8fafc;
        transform: scale(0.98);
        transition: all 0.1s ease;
    }

    .session-item.active {
        background: #ede9fe !important;
        box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2);
    }

    .session-item .name {
        font-size: 14px;
    }

    .session-item .phone {
        font-size: 12px;
    }

    .session-item .last-message {
        font-size: 12px;
    }

    .session-item .time {
        font-size: 11px;
    }

    .session-item .delete-session-btn {
        width: 32px;
        height: 32px;
        font-size: 16px;
        opacity: 1 !important;
        background: #fee2e2;
        color: #ef4444;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(239, 68, 68, 0.1);
    }

    .session-item .delete-session-btn:active {
        background: #ef4444;
        color: white;
        transform: scale(0.9);
        box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
    }

    .session-item .session-content {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }

    .session-item .session-content:active {
        opacity: 0.7;
    }

    .chat-header {
        padding: 10px 12px;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px;
    }

    .visitor-info {
        width: 100%;
        display: flex;
        gap: 10px;
    }

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

    .visitor-info .info p {
        font-size: 11px;
        margin: 2px 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .chat-header .actions {
        width: 100%;
        margin-top: 5px;
        padding-top: 10px;
        border-top: 1px dashed #eee;
        justify-content: flex-start !important;
        gap: 10px;
    }

    #dispatchArea {
        display: flex !important;
        width: 100%;
        align-items: center;
        gap: 8px;
    }

    #headerDispatchSelect {
        flex: 1;
        height: 32px !important;
        font-size: 12px !important;
    }

    #onlineStatusText {
        display: none !important;
    }

    .status-toggle-wrapper {
        margin-right: 8px !important;
    }

    .btn-close-session,
    .btn-back {
        padding: 8px 12px;
        font-size: 13px;
    }

    .chat-messages {
        padding: 15px 10px;
    }

    .message {
        max-width: 92%;
        padding: 10px 14px;
    }

    .message .text {
        font-size: 14px;
        line-height: 1.5;
    }

    .message .time {
        font-size: 11px;
        margin-top: 6px;
    }

    .message.admin {
        display: flex;
        flex-direction: column;
        align-items: flex-end;
    }

    .message.admin .message-content {
        float: right;
    }

    .message.admin .message-info {
        text-align: right;
        width: 100%;
    }

    .message.visitor {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .message.visitor .message-content {
        float: left;
    }

    .message.visitor .message-info {
        text-align: left;
        width: 100%;
    }

    .chat-input-area {
        padding: 12px 10px;
    }

    .input-wrapper {
        gap: 8px;
    }

    .input-wrapper input {
        padding: 12px 15px;
        font-size: 14px;
    }

    .send-btn {
        padding: 12px 16px;
        font-size: 14px;
    }


    .empty-chat {
        padding: 20px;
    }

    .empty-icon {
        font-size: 60px;
    }

    .empty-chat p {
        font-size: 14px;
    }

    .modal {
        padding: 10px;
        align-items: flex-start;
        overflow-y: auto;
        z-index: 9999999;
    }

    .modal-content {
        width: 100%;
        max-width: 100%;
        max-height: none;
        margin: 20px 0;
        border-radius: 12px;
    }

    .modal-header {
        padding: 15px;
    }

    .modal-header h2 {
        font-size: 18px;
    }

    .close-btn {
        font-size: 28px;
        width: 32px;
        height: 32px;
    }

    .modal-body {
        padding: 15px;
        max-height: none;
    }

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

    .form-section h3 {
        font-size: 15px;
        margin-bottom: 12px;
    }

    .form-group {
        margin-bottom: 15px;
    }

    .form-group label {
        font-size: 13px;
        margin-bottom: 6px;
    }

    .form-group input,
    .form-group select {
        padding: 10px 12px;
        font-size: 14px;
    }

    .form-hint {
        font-size: 11px;
        margin-top: 4px;
    }

    .input-group {
        flex-direction: column;
        gap: 8px;
    }

    .input-group input {
        flex: none;
        width: 100%;
    }

    .btn-test {
        width: 100%;
        padding: 10px;
    }

    .modal-footer {
        padding: 12px 15px;
        gap: 10px;
    }

    .modal-footer button {
        flex: 1;
        padding: 12px;
        font-size: 14px;
    }

    .notification {
        top: 10px !important;
        right: 10px !important;
        left: 10px !important;
        max-width: none !important;
        font-size: 13px !important;
        padding: 12px 15px !important;
    }

    .admin-footer {
        padding: 8px 12px;
        min-height: 45px;
    }

    .admin-footer .footer-content {
        flex-direction: column;
        gap: 6px;
        text-align: center;
        align-items: center;
    }

    .footer-left {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 5px;
        align-items: center;
        white-space: nowrap;
    }

    .footer-right {
        flex-direction: column;
        gap: 5px;
        align-items: center;
    }

    .footer-logo {
        font-size: 16px;
        width: 28px;
        height: 28px;
    }

    .footer-brand,
    .footer-copyright {
        font-size: 11px;
        line-height: 1.4;
    }

    .footer-version {
        font-size: 10px;
        padding: 2px 6px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .sessions-sidebar {
        width: 280px;
    }

    .session-item {
        padding: 12px;
    }

    .modal-content {
        width: 90%;
        max-width: 600px;
    }
}

@media (max-width: 375px) {
    .chat-header {
        padding: 10px;
        gap: 6px;
    }

    .visitor-info .avatar {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }

    .visitor-info .info h3 {
        font-size: 13px;
    }

    .visitor-info .info p {
        font-size: 10px;
    }

    .chat-header .actions {
        gap: 6px;
    }

    .btn-close-session,
    .btn-back {
        padding: 6px 10px;
        font-size: 12px;
    }

    .chat-messages {
        padding: 10px 8px;
    }

    .message {
        max-width: 90%;
        padding: 8px 12px;
    }

    .message .text {
        font-size: 13px;
    }

    .message.admin {
        display: flex;
        flex-direction: column;
        align-items: flex-end;
    }

    .message.admin .message-content {
        float: right;
    }

    .message.admin .message-info {
        text-align: right;
        width: 100%;
    }

    .message.visitor {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .message.visitor .message-content {
        float: left;
    }

    .message.visitor .message-info {
        text-align: left;
        width: 100%;
    }

    .input-wrapper input {
        padding: 10px 12px;
        font-size: 13px;
    }

    .send-btn {
        padding: 10px 12px;
        min-width: 60px;
    }

    .modal-header h2 {
        font-size: 16px;
    }

    .form-group input {
        padding: 9px 10px;
        font-size: 13px;
    }
}

.admin-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    padding: 8px 20px;
    z-index: 50;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
    pointer-events: none;
}

.admin-footer * {
    pointer-events: auto;
}

.admin-footer .footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    font-size: 18px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
}

.input-wrapper {
    position: relative;
}

.shortcut-links-popover {
    position: absolute;
    bottom: 100%;
    left: 40px;
    width: 220px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    margin-bottom: 12px;
    animation: popIn 0.2s ease-out;
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }

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

.popover-header {
    padding: 12px 15px;
    font-size: 13px;
    font-weight: 600;
    border-bottom: 1px solid #e2e8f0;
    background: #f8fafc;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
    color: #64748b;
}

.popover-links-list {
    max-height: 240px;
    overflow-y: auto;
    padding: 6px;
}

.popover-link-item {
    padding: 10px 12px;
    font-size: 14px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 8px;
}

.popover-link-item:hover {
    background: #eff6ff;
    color: #3b82f6;
}

.popover-link-item svg {
    opacity: 0.5;
}

.message.admin .message-content.link-message {
    padding: 12px 20px;
    background: white !important;
    border: 2px solid #3b82f6 !important;
    border-radius: 18px !important;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s;
    text-decoration: none;
    color: #3b82f6 !important;
    font-weight: 600;
    margin-bottom: 5px;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.1);
    float: right;
    clear: both;
}

.message.admin .message-content.link-message:hover {
    background: #3b82f6 !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.2);
}

.message.admin .message-content.link-message svg {
    flex-shrink: 0;
}

.footer-brand {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
}

.footer-version {
    background: white;
    border: 1px solid #e2e8f0;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    color: #64748b;
    font-weight: 500;
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-copyright {
    font-size: 13px;
    color: #64748b;
}

@media (max-width: 768px) {

    .admin-layout {
        padding-bottom: 85px !important;

    }

    .admin-footer {
        padding: 5px 8px;
        min-height: auto;
    }

    .admin-footer .footer-content {
        flex-direction: row;
        justify-content: center;
        gap: 6px;
        flex-wrap: nowrap;
    }

    .footer-left {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 4px;
        white-space: nowrap;
    }

    .footer-right {
        gap: 4px;
    }

    .footer-logo {
        font-size: 12px;
        width: 20px;
        height: 20px;
        flex-shrink: 0;
    }

    .footer-brand {
        font-size: 10px;
        white-space: nowrap;
    }

    .footer-copyright {
        font-size: 9px;
        line-height: 1.3;
        white-space: nowrap;
    }

    .footer-version {
        font-size: 8px;
        padding: 1px 4px;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {

    .admin-layout {
        padding-bottom: 25px;
    }

    .admin-footer {
        padding: 3px 6px;
        min-height: auto;
    }

    .admin-footer .footer-content {
        gap: 5px;
        font-size: 9px;
    }

    .footer-left {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 3px;
        white-space: nowrap;
    }

    .footer-logo {
        font-size: 10px;
        width: 18px;
        height: 18px;
    }

    .footer-brand {
        font-size: 9px;
    }

    .footer-copyright {
        font-size: 8px;
        display: none;
    }

    .footer-right {
        display: none;
    }

    .footer-version {
        font-size: 7px;
        padding: 1px 3px;
    }
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.6;
    border: 1px solid transparent;
}

.alert strong {
    font-weight: 600;
    margin-right: 4px;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffecb5;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}



.settings-modal-content {
    max-width: 600px;
    width: 90%;
}

.settings-tabs {
    display: flex;
    border-bottom: 2px solid #e2e8f0;
    background: #f8fafc;
    padding: 0 20px;
}

.tab-btn {
    flex: 1;
    padding: 15px 20px;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 500;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s;
    /* position: relative; */
}

.tab-btn:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.tab-btn.active {
    color: var(--primary-color);
    background: white;
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-content .modal-body {
    max-height: 60vh;
    overflow-y: auto;
}


.auto-reply-rules {
    margin-bottom: 15px;
}

.empty-rules {
    padding: 30px;
    text-align: center;
    color: #94a3b8;
    background: #f8fafc;
    border: 2px dashed #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
}

.auto-reply-rule {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.auto-reply-rule:hover {
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.rule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e2e8f0;
}

.rule-number {
    font-weight: 600;
    color: #475569;
    font-size: 14px;
}

.btn-delete-rule {
    padding: 5px 12px;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-delete-rule:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.rule-body .form-group {
    margin-bottom: 12px;
}

.rule-body .form-group:last-child {
    margin-bottom: 0;
}

.rule-keywords,
.rule-reply {
    width: 100%;
    padding: 10px;
    border: 1px solid #e2e8f0;
    border-radius: 5px;
    font-size: 14px;
    transition: all 0.3s;
}

.rule-keywords:focus,
.rule-reply:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.rule-reply {
    resize: vertical;
    min-height: 60px;
    font-family: inherit;
}

.btn-add-rule {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 10px;
}

.btn-add-rule:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-add-rule:active {
    transform: translateY(0);
}

.form-section h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
    color: #1e293b;
    font-size: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label span {
    font-weight: 500;
    color: #475569;
}

#welcomeMessage {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    transition: all 0.3s;
}

#welcomeMessage:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

@media (max-width: 768px) {
    .auto-reply-rule {
        padding: 12px;
    }

    .rule-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .btn-delete-rule {
        align-self: flex-end;
    }
}

.role-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 5px;
    font-weight: 600;
    vertical-align: middle;
    display: inline-block;
}

.role-badge.admin {
    background: #eff6ff;
    color: #3b82f6;
    border: 1px solid #bfdbfe;
}

.role-badge.agent {
    background: #f0fdf4;
    color: #22c55e;
    border: 1px solid #bbf7d0;
}

.table-container {
    overflow-x: auto;
    background: white;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    margin-top: 10px;
}

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

.settings-table th {
    background: #f8fafc;
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    color: #64748b;
    border-bottom: 1px solid #e2e8f0;
}

.settings-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #f1f5f9;
    color: #1e293b;
    vertical-align: middle;
}

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

.status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

.status-badge.online {
    background: #dcfce7;
    color: #16a34a;
}

.status-badge.offline {
    background: #f1f5f9;
    color: #64748b;
}

.btn-edit:hover,
.btn-delete:hover {
    text-decoration: underline;
    opacity: 0.8;
}

#agentEditModal .form-group {
    margin-bottom: 15px;
}

#agentEditModal label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    font-size: 14px;
}

#agentEditModal input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.link-btn {
    background: white;
    color: #3b82f6;
    border: 1px solid #e2e8f0;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
}

.link-btn:hover {
    border-color: #3b82f6;
    background: #f8fafc;
    transform: translateY(-2px);
}

.shortcut-links-popover {
    position: absolute;
    bottom: 100%;
    left: 0;
    width: 280px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    margin-bottom: 15px;
    z-index: 1000;
    overflow: hidden;
    animation: popIn 0.2s ease-out;
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }

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

.popover-header {
    padding: 12px 16px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    display: flex;
    justify-content: space-between;
    align-items: center;
}


.popover-add-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #3b82f6;
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    transition: all 0.2s;
}

.popover-add-btn:hover {
    background: #2563eb;
    transform: rotate(90deg);
}

.popover-add-form {
    padding: 12px;
    background: #eff6ff;
    border-bottom: 1px solid #bfdbfe;
}

.popover-add-form input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 8px;
    outline: none;
}

.popover-add-form input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.popover-form-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.btn-save-mini,
.btn-cancel-mini {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-save-mini {
    background: #3b82f6;
    color: white;
}

.btn-save-mini:hover {
    background: #2563eb;
}

.btn-cancel-mini {
    background: white;
    border-color: #e2e8f0;
    color: #64748b;
}

.btn-cancel-mini:hover {
    background: #f1f5f9;
}

.popover-links-list {
    max-height: 300px;
    overflow-y: auto;
    padding: 8px 0;
}

.popover-link-item {
    padding: 10px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s;
}

.popover-link-item:hover {
    background: #f1f5f9;
}

.popover-link-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.popover-link-text {
    font-size: 14px;
    font-weight: 500;
    color: #334155;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.popover-link-url {
    font-size: 11px;
    color: #94a3b8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.popover-link-delete {
    padding: 6px;
    color: #94a3b8;
    border: none;
    background: transparent;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s;
    display: flex;
    align-items: center;
}

.popover-link-item:hover .popover-link-delete {
    opacity: 1;
    color: #ef4444;
}

.popover-link-delete:hover {
    background: #fee2e2;
    border-radius: 4px;
}

.message.admin .message-content.link-message,
.message.visitor .message-content.link-message {
    padding: 10px 16px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
    color: #1e293b;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.message-content.link-message:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.message-content.link-message svg {
    flex-shrink: 0;
    color: #64748b;
}

.admin-profile-brief {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: #f8fafc;
    border-radius: 12px;
    margin-bottom: 12px;
    border: 1px solid #e2e8f0;
}

.admin-avatar-mini {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-name-mini {
    font-size: 13px;
    font-weight: 600;
    color: #1e293b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message {
    display: flex !important;
    gap: 12px !important;
    margin-bottom: 20px !important;
    align-items: flex-end !important;
}

.message.admin {
    flex-direction: row-reverse !important;
}

.message-avatar {
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
    overflow: hidden !important;
    background: #f1f5f9 !important;
}

.message-body {
    display: flex !important;
    flex-direction: column !important;
    max-width: 80% !important;
}

.message.admin .message-body {
    align-items: flex-end !important;
}

.message.visitor .message-body {
    align-items: flex-start !important;
}

.message-content {
    padding: 10px 14px !important;
    border-radius: 14px !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    word-break: break-all !important;
}

.message.visitor .message-content {
    background: #f1f5f9 !important;
    color: #1e293b !important;
    border-bottom-left-radius: 4px !important;
    float: none !important;
}

.message.admin .message-content {
    background: #4f46e5 !important;
    color: white !important;
    border-bottom-right-radius: 4px !important;
    float: none !important;
}

.message-info {
    font-size: 11px !important;
    color: #94a3b8 !important;
    margin-top: 4px !important;
}

.admin-profile-brief {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: #f8fafc;
    border-radius: 12px;
    margin-bottom: 12px;
    border: 1px solid #e2e8f0;
}

.admin-avatar-mini {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-name-mini {
    font-size: 13px;
    font-weight: 600;
    color: #1e293b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message {
    display: flex !important;
    gap: 12px !important;
    margin-bottom: 20px !important;
    align-items: flex-end !important;
}

.message.admin {
    flex-direction: row-reverse !important;
}

.message-avatar {
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
    overflow: hidden !important;
    background: #f1f5f9 !important;
}

.message-body {
    display: flex !important;
    flex-direction: column !important;
    max-width: 80% !important;
}

.message.admin .message-body {
    align-items: flex-end !important;
}

.message.visitor .message-body {
    align-items: flex-start !important;
}

.message-content {
    padding: 10px 14px !important;
    border-radius: 14px !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    word-break: break-all !important;
}

.message.visitor .message-content {
    background: #f1f5f9 !important;
    color: #1e293b !important;
    border-bottom-left-radius: 4px !important;
    float: none !important;
}

.message.admin .message-content {
    background: #4f46e5 !important;
    color: white !important;
    border-bottom-right-radius: 4px !important;
    float: none !important;
}

.message-info {
    font-size: 11px !important;
    color: #94a3b8 !important;
    margin-top: 4px !important;
}

.message {
    align-items: flex-start !important;
}

.message.admin {
    flex-direction: row !important;
    justify-content: flex-end !important;
}

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


.message {
    align-items: flex-start !important;
}

.message.admin {
    flex-direction: row !important;
    justify-content: flex-end !important;
}

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

.message-content {
    word-break: normal !important;
    overflow-wrap: break-word !important;
    word-wrap: break-word !important;
    white-space: pre-wrap !important;
    max-width: 100% !important;
    width: fit-content !important;
}

.message-body {
    width: auto !important;
    min-width: 0 !important;
}

.sidebar-search {
    padding: 10px 15px;
    background: var(--sidebar-bg);
}

.search-inner {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 10px;
    color: var(--text-secondary);
    pointer-events: none;
}

#agentSearchInput {
    width: 100%;
    padding: 8px 30px 8px 35px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    background: #f8fafc;
    transition: all 0.2s;
    outline: none;
}

#agentSearchInput:focus {
    border-color: var(--primary-color);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.clear-search {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    display: none;
    padding: 0 4px;
    line-height: 1;
}

.clear-search:hover {
    color: var(--danger-color);
}


.recalled-msg {
    opacity: 0.6;
    filter: grayscale(0.5);
    position: relative;
}

.recalled-msg .message-content {
    text-decoration: line-through;
    background-color: #f1f5f9 !important;
    border-color: #e2e8f0 !important;
    color: #94a3b8 !important;
}

.recalled-msg .message-info {
    font-style: italic;
}

.message-content.file-message {
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    display: flex !important;
    align-items: center;
}

.file-card {
    display: flex;
    align-items: center;
    border-radius: 12px;
    padding: 10px 14px;
    margin: 0 !important;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 180px;
    max-width: 320px;
    gap: 12px;
}

.message.admin .file-message .file-card {
    background: #4f46e5;
    color: white !important;
    border: none;
}

.message.admin .file-message .file-card .file-name {
    color: white !important;
}

.message.admin .file-message .file-card .file-size {
    color: rgba(255, 255, 255, 0.7) !important;
}

.message.admin .file-message .file-card .file-download {
    color: rgba(255, 255, 255, 0.8) !important;
}

.message.admin .file-message .file-card .file-icon svg {
    filter: brightness(0) invert(1);
}

.message.visitor .file-message .file-card {
    background: white;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.message.visitor .file-message .file-card:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.file-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.file-icon svg {
    width: 32px;
    height: 32px;
}

.file-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.file-name {
    font-size: 13px;
    font-weight: 500;
    color: #1e293b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.file-size {
    font-size: 11px;
    color: #64748b;
}

.file-download {
    color: #94a3b8;
    flex-shrink: 0;
    opacity: 0.7;
}




.drag-over {
    background-color: rgba(59, 130, 246, 0.05) !important;
    position: relative;
    border: 2px dashed #3b82f6 !important;
}

.drag-over::after {
    content: "鏉惧紑涓婁紶鏂囦欢";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(59, 130, 246, 0.9);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    pointer-events: none;
    font-size: 14px;
    z-index: 100;
}


.btn-self-link {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #e0e7ff;
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
    color: #4f46e5 !important;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 8px;
    box-shadow: 0 2px 4px rgba(79, 70, 229, 0.05);
}

.btn-self-link:hover {
    background: #eef2ff;
    border-color: #c7d2fe;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.1);
}

.chat-input-area {
    position: relative;
}

.sidebar-footer {
    z-index: 50;
    overflow: hidden;
}

.btn-logout {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: none;
    background: #fee2e2;
    color: #ef4444 !important;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
}

.sidebar-actions-mobile {
    display: none;
    padding: 15px;
    border-top: 1px solid #f1f5f9;
    background: #fafafa;
}

.sidebar-action-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px;
    border: none;
    background: none;
    color: #475569;
    font-size: 14px;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s;
}

.sidebar-action-item:active {
    background: #f1f5f9;
}

.sidebar-action-item svg {
    color: #64748b;
}

@media (max-width: 768px) {
    .desktop-only-actions {
        display: none !important;
    }

    .sidebar-actions-mobile {
        display: block;
    }

    .nav-actions {
        padding-right: 0 !important;
        border-right: none !important;
    }

    .top-navbar {
        justify-content: space-between;
    }

    .nav-left {
        flex: 1;
    }

    .nav-right {
        flex-shrink: 0;
    }

    .sessions-sidebar {
        width: 85% !important;
        max-width: 320px;
    }

    .sidebar-footer {
        position: static !important;
        background: #fff !important;
    }

    .sessions-list {
        padding-bottom: 20px !important;
    }
}

.top-navbar {
    height: 64px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0 20px !important;
    box-sizing: border-box !important;
}

.nav-left,
.nav-right {
    display: flex !important;
    align-items: center !important;
}

html body .desktop-only-actions {
    display: flex !important;
    gap: 8px;
}

@media (max-width: 768px) {
    html body .desktop-only-actions {
        display: none !important;
    }

    .user-info {
        display: none !important;
    }

    .mobile-menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        margin-right: 12px;
    }

    .brand h2 {
        font-size: 16px !important;
    }
}

.image-viewer-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    user-select: none;
    z-index: 20005;
}

.image-viewer-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.image-viewer-nav.prev {
    left: 40px;
}

.image-viewer-nav.next {
    right: 40px;
}

.uploading-placeholder {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 8px;
    color: inherit;
    font-size: 13px;
}

.message.admin .uploading-placeholder {
    background: rgba(255, 255, 255, 0.1);
}

.tiny-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-top: 2px solid var(--primary-color, #4f46e5);
    border-radius: 50%;
    animation: uploadSpin 0.8s linear infinite;
}

.message.admin .tiny-spinner {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: white;
}

@keyframes uploadSpin {
    to {
        transform: rotate(360deg);
    }
}

.file-card.uploading {
    background: #f8fafc !important;
    border: 1px dashed #cbd5e1 !important;
    box-shadow: none !important;
}

.message.admin .file-card.uploading {
    background: rgba(255, 255, 255, 0.05) !important;
    border-color: rgba(255, 255, 255, 0.2) !important;
}

.message.uploading .message-content {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .image-viewer-nav {
        width: 44px;
        height: 44px;
    }

    .image-viewer-nav.prev {
        left: 10px;
    }

    .image-viewer-nav.next {
        right: 10px;
    }
}

.uploading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(79, 70, 229, 0.85);
    backdrop-filter: blur(2px);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    gap: 8px;
    font-size: 13px;
    z-index: 10;
}

.uploading-overlay .tiny-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: uploadSpin 0.8s linear infinite;
}

.uploading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(2px);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--primary-color, #4f46e5);
    gap: 8px;
    font-size: 13px;
    z-index: 10;
}

.uploading-overlay .tiny-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(79, 70, 229, 0.1);
    border-top: 2px solid var(--primary-color, #4f46e5);
    border-radius: 50%;
    animation: uploadSpin 0.8s linear infinite;
}

.emoji-btn {
    background: none;
    border: none;
    padding: 8px;
    color: #64748b;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.emoji-btn:hover {
    background: #f1f5f9;
    color: var(--primary-color, #4f46e5);
}

.emoji-picker {
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 10px;
    width: 320px;
    max-height: 200px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    z-index: 2000;
    padding: 12px;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 5px;
    overflow-y: auto;
    animation: slideUp 0.2s ease-out;
}

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

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

.emoji-item {
    font-size: 20px;
    padding: 5px;
    cursor: pointer;
    text-align: center;
    border-radius: 6px;
    transition: background 0.2s;
    user-select: none;
}

.emoji-item:hover {
    background: #f1f5f9;
}

.uploading-placeholder {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 13px;
    color: inherit;
    min-width: 150px;
}

.visitor .uploading-placeholder {
    color: rgba(255, 255, 255, 0.9);
}

.visitor .uploading-placeholder .tiny-spinner {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: white;
}

.message.uploading {
    opacity: 0.8;
}

.message-content.image-message,
.message-content.video-message {
    min-height: 40px;
}

@media (max-width: 768px) {
    .top-navbar {
        height: 64px !important;
        z-index: 10001 !important;
    }

    .sessions-sidebar {
        top: 64px !important;
        height: calc(100dvh - 64px) !important;
        z-index: 10000 !important;
    }

    .sessions-sidebar.show {
        transform: translateX(0) !important;
    }

    .admin-layout {
        padding-bottom: 85px !important;
        height: calc(100dvh - 64px) !important;
        overflow: hidden !important;
        flex: 1 !important;
    }

    .chat-main {
        height: 100% !important;
        flex: 1 !important;
    }

    .sidebar-header-compact {
        padding: 12px 15px !important;
    }

    .mobile-overlay {
        z-index: 9999 !important;
    }

    #onlineStatusText {
        display: none !important;
    }

    .chat-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px !important;
    }

    .visitor-info {
        width: 100% !important;
    }

    .chat-header .actions {
        width: 100% !important;
        margin-top: 10px !important;
        border-top: 1px dashed #eee !important;
        padding-top: 10px !important;
    }

    .desktop-only-actions {
        display: flex !important;
    }

    #btnSettings,
    #btnClearAllSessions {
        display: none !important;
    }

    .admin-avatar-mini {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .chat-messages {
        padding: 10px 12px !important;
        scrollbar-width: none !important;
    }

    .chat-messages::-webkit-scrollbar {
        display: none !important;
    }

    div.message {
        gap: 8px !important;
        padding: 8px 0 !important;
        margin-bottom: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        display: flex !important;
        background: transparent !important;
        box-shadow: none !important;
        border: none !important;
    }

    .message-body {
        max-width: 85% !important;
    }

    .message-avatar {
        width: 32px !important;
        height: 32px !important;
        flex-shrink: 0 !important;
    }

    div.message.admin {
        flex-direction: row !important;
        justify-content: flex-end !important;
    }

    div.message.visitor {
        flex-direction: row !important;
        justify-content: flex-start !important;
    }
}