header {
    background: var(--bg-header);
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 100;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-shadow: 0 14px 40px var(--shadow);
    border-bottom: 1px solid var(--border-color);
}

header .right-menu {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: auto;
}

header .right-menu hr {
    height: 30px;
    border: none;
    border-right: 1px solid var(--button_border);
}

header .right-menu .btn {
    color: var(--color-text-secondary);
    transition: all 0.3s ease;
}
header .right-menu .btn:hover {
    color: var(--color-text);
}

header .right-menu .btn-notification i {
    margin: 0;
}

header .right-menu .storage {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    position: relative;
    cursor: default;
}

header .right-menu .storage > span:not(.tooltip) {
    color: var(--color-text-secondary);
    font-size: 12px;
}

header .right-menu .user-menu {
    display: flex;
    position: relative;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

header .right-menu .user-menu span {
    color: var(--color-text-secondary);
    transition: all 0.3s ease;
}
header .right-menu .user-menu:hover span {
    color: var(--color-text);
}

header .right-menu .user-menu img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

header .right-menu .user-menu .user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--active_bg);
    border: 1px solid var(--blue1);
    color: var(--blue1);
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    letter-spacing: 0.5px;
}

header .right-menu .user-menu .dropdown-menu {
    display: none;
    position: absolute;
    top: 45px;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    transition: all 0.3s ease;
    height: 0;
    overflow: hidden;
}

header .right-menu .user-menu .dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    width: 250px;
    transition: all 0.3s ease;
    color: var(--color-text-secondary);
}

header .right-menu .user-menu .dropdown-menu li a:hover {
    background: var(--button_hover);
    color: var(--color-text);
}

header .right-menu .user-menu .dropdown-menu li .btn-logout-link {
    display: block;
    padding: 10px 20px;
    width: 250px;
    transition: all 0.3s ease;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    text-align: left;
}

header .right-menu .user-menu .dropdown-menu li .btn-logout-link:hover {
    background: var(--button_hover);
    color: var(--color-text);
}

/* Notifications */

.notification-wrapper {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: #e74c3c;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: 99px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
    pointer-events: none;
}

.notification-dropdown {
    display: none;
    position: absolute;
    width: 320px;
    top: 49px;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    transition: all 0.3s ease;
    height: 0;
    z-index: 200;
    overflow: hidden;
}

.notification-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    font-weight: 600;
}

#notification-list {
    max-height: 320px;
    overflow-y: auto;
}

.notif-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s;
    cursor: pointer;
}

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

.notif-item:hover {
    background: var(--button_hover);
}

.notif-item i {
    margin-top: 2px;
    color: #f59e0b;
    flex-shrink: 0;
}

.notif-body p {
    font-size: 13px;
    line-height: 1.4;
    color: var(--color-text);
}

.notif-date {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: 4px;
    display: block;
}

.notif-empty {
    padding: 20px 16px;
    font-size: 13px;
    color: var(--color-text-secondary);
    text-align: center;
}

.notif-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.notif-actions .btn {
    flex: 1;
    justify-content: center;
}

.notification-see-all {
    display: block;
    text-align: center;
    padding: 10px;
    font-size: 13px;
    border-top: 1px solid var(--border-color);
    color: var(--color-text-secondary);
    transition: background 0.15s;
}

.notification-see-all:hover {
    background: var(--button_hover);
    color: var(--color-text);
}