@font-face {
            font-family: 'iransans';
            font-style: normal;
            font-weight: bold;
            src: url('../../fonts/IRANSansWeb.eot');
            src: url('../../fonts/IRANSansWeb.eot?#iefix') format('embedded-opentype'),
                 url('../../fonts/IRANSansWeb.woff2') format('woff2'),
                 url('../../fonts/IRANSansWeb.woff') format('woff'),
                 url('../../fonts/IRANSansWeb.ttf') format('truetype');
        }

#nb-bell-wrapper {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 999999;
    font-family: Tahoma, Geneva, Verdana, sans-serif;
}

#nb-bell-button {
    width: 55px;
    height: 55px;
    background: #0073aa;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

#nb-bell-button:hover {
    transform: scale(1.05);
    background: #005a87;
}

.nb-bell-icon {
    font-size: 28px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
}

#nb-unread-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #dc3232;
    color: white;
    font-size: 12px;
    font-weight: bold;
    border-radius: 50%;
    min-width: 12px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    padding: 0 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

#nb-notifications-panel {
    font-family: iransans !important;
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 380px;
    max-height: 500px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.2);
    overflow: hidden;
    z-index: 1000000;
}

.nb-panel-header {
    background: #0073aa;
    color: white;
    padding: 12px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nb-panel-header h3 {
    margin: 0;
    font-size: 16px;
}

.nb-close {
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
}

.nb-panel-body {
    max-height: 420px;
    overflow-y: auto;
}

#nb-notifications-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

#nb-notifications-list li {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
    transition: background 0.2s;
    cursor: pointer;
}

#nb-notifications-list li:hover {
    background: #f9f9f9;
}

#nb-notifications-list li.nb-unread {
    background: #fff9e6;
    border-left: 3px solid #ffb900;
}

#nb-notifications-list li.nb-read {
    background: white;
    opacity: 0.7;
}

.notification-title {
    font-weight: bold;
    font-size: 14px;
    margin-bottom: 5px;
    color: #333;
}

.notification-content {
    line-height: 2;
    padding-top: 4px;
    font-size: 13px;
    color: #666;
    margin-bottom: 5px;
}

.notification-date {
    padding-top: 8px;
    font-size: 11px;
    color: #999;
}

.nb-loading {
    text-align: center;
    padding: 20px;
    color: #999;
}