/* Notification Button and Icon Styles */
.notification-btn {
    all: unset;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin: 0 4px;
    z-index: 100;
}

.notification-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-icon-wrapper i {
    font-size: 22px;
    color: var(--gray-700);
    transition: color 0.2s ease;
    vertical-align: middle;
    position: relative;
    top: 9px;
    right: -7px;
}

.notification-btn:hover i {
    color: var(--gray-900);
}

.notification-badge {
    position: absolute;
    top: 5px;
    right: -15px;
    min-width: 17px;
    height: 18px;
    padding: 0 4px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: bold;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--red-500);
    color: white;
    border: 1.5px solid var(--navbar-bg);
    transform: translate(25%, -25%);
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
    line-height: 1;
}

/* Dropdown Panel Styles */
.notification-panel {
    position: absolute;
    top: 100%;
    right: 0;
    width: 360px;
    max-height: calc(100vh - 100px);
    background: var(--modal-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-2xl);
    z-index: 1000;
    overflow: hidden;
    display: none;
    margin-top: 0.5rem;
    border: 1px solid var(--border-color);
}

.notification-panel.show {
    display: block;
    animation: fadeIn 0.2s ease-out;
}

.notification-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--fg-color);
}

.notification-list {
    padding: 0;
    margin: 0;
    list-style: none;
    max-height: 360px;
    overflow-y: auto;
}

/* Notification Items */
.notification-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.notification-item:hover {
    background-color: var(--fg-hover-color);
}

.notification-item.unread {
    background-color: var(--blue-50);
}

.notification-item.unread:hover {
    background-color: var(--blue-100);
}

.notification-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-icon i {
    font-size: 16px;
}
.notification-content {
    font-size: 0.9rem;
    color: #333;
    margin-right: 10px;
}

.notification-time {
    font-size: 0.8rem;
    color: #6c757d;
    margin-top: 3px;
}

.unread-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--blue-500);
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
}

/* Group Notification Styles */
.notification-item .group-title {
    font-weight: 600;
    margin-right: 8px;
    color: var(--gray-900);
    font-size: 0.9rem;
}

.notification-item .notification-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.group-expand {
    padding: 4px 8px;
    margin-left: auto;
    color: var(--gray-600);
    transition: all 0.2s ease;
    border-radius: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.group-expand:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.group-expand i {
    transition: transform 0.3s ease;
    font-size: 12px;
}

.notification-item.expanded .group-expand i {
    transform: rotate(180deg);
}

.group-content {
    margin-top: 12px;
    padding: 8px 0 8px 16px;
    border-left: 3px solid var(--blue-300);
    background: linear-gradient(to right, var(--blue-50) 0%, transparent 100%);
    border-radius: 0 4px 4px 0;
}

.group-content .notification-item {
    padding: 10px 12px;
    border-bottom: 1px solid var(--gray-200);
    margin: 0 0 4px 0;
    background: white;
    border-radius: 4px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

.group-content .notification-item:hover {
    background-color: var(--gray-50);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    transform: translateX(2px);
}

.group-content .notification-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.group-content .notification-item .notification-icon {
    width: 20px;
    height: 20px;
}

.group-content .notification-item .notification-icon i {
    font-size: 14px;
}

.group-content .notification-content {
    font-size: 0.85rem;
    color: var(--gray-700);
}

.group-content .notification-time {
    font-size: 0.7rem;
    color: var(--gray-500);
}

/* Group badge for counts */
.notification-item .group-title::after {
    content: attr(data-count);
}

/* Loading State */
.loading-state {
    padding: 20px;
    text-align: center;
    color: #6c757d;
}

.loading-state i {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

/* Empty State */
.empty-state {
    padding: 30px 20px;
    text-align: center;
    color: #6c757d;
}

.empty-state i {
    font-size: 2rem;
    margin-bottom: 10px;
}

/* Error State */
.error-state {
    padding: 20px;
    text-align: center;
    color: #dc3545;
}

.error-state i {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

/* Loading and Error States */
.notification-empty {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.notification-empty i {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.notification-empty.text-danger {
    color: var(--red-500);
}

.notification-empty .fa-spinner {
    color: var(--primary);
}

/* Notification Content */
.notification-content {
    margin-bottom: 0.25rem;
    color: var(--text-color);
    font-size: 0.875rem;
    line-height: 1.4;
    word-break: break-word;
}

.notification-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Utility Classes */
.text-primary { color: var(--primary) !important; }
.text-info { color: var(--info) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--red-500) !important; }
.text-muted { color: var(--text-muted) !important; }

.mr-2 { margin-right: 0.5rem !important; }
.flex-grow-1 { flex-grow: 1 !important; }

/* Responsive Design */
@media (max-width: 576px) {
    .notification-panel {
        width: 100%;
        position: fixed;
        top: auto;
        bottom: 0;
        right: 0;
        max-height: 80vh;
        margin: 0;
        border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bellRing {
    0% { transform: rotate(0); }
    20% { transform: rotate(15deg); }
    40% { transform: rotate(-15deg); }
    60% { transform: rotate(7deg); }
    80% { transform: rotate(-7deg); }
    100% { transform: rotate(0); }
}

.notification-btn:active i {
    animation: bellRing 0.5s ease;
}