.header-notification-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4px;
    min-width: 0;
}

.header-notification-split .btn-style {
    width: 100%;
    min-width: 0;
    padding-left: 3px;
    padding-right: 3px;
    position: relative;
    overflow: visible;
}

.header-notification-label {
    margin-left: 2px;
}

.btn-whatsapp-staff {
    background: #087f5b;
    color: #fff;
    font-weight: 950;
}

.btn-whatsapp-staff.panel-open {
    background: #065f46;
    box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.65);
}

.btn-whatsapp-staff.has-unread {
    background: #16a34a;
    animation: whatsappStaffButtonPulse 0.72s ease-in-out infinite;
}

.header-notification-split .staff-chat-alert-badge,
.whatsapp-staff-badge {
    position: absolute;
    top: -7px;
    right: -5px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 19px;
    height: 19px;
    margin: 0;
    padding: 0 5px;
    border: 2px solid #111827;
    border-radius: 999px;
    background: #dc2626;
    color: #fff;
    font-size: 0.66rem;
    font-weight: 950;
    line-height: 1;
}

@keyframes whatsappStaffButtonPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.38); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 7px rgba(34, 197, 94, 0.12); }
}

.whatsapp-staff-panel {
    position: fixed;
    left: 50%;
    top: max(12px, env(safe-area-inset-top, 0px));
    width: min(400px, calc(100vw - 24px));
    height: min(760px, calc(100dvh - 24px));
    min-width: 340px;
    min-height: 360px;
    transform: translateX(-50%);
    z-index: 10500;
    display: grid;
    grid-template-rows: 45px 48px minmax(0, 1fr);
    overflow: hidden;
    border: 1px solid rgba(15, 23, 42, 0.24);
    border-radius: 14px;
    background: #f3f6f8;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.38);
}

.whatsapp-staff-panel-drag {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-width: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: #020617;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.66rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    cursor: move;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

.whatsapp-staff-sound-toggle {
    position: absolute;
    top: 6px;
    right: 7px;
    height: 33px;
    min-width: 86px;
    padding: 0 9px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 9px;
    background: #991b1b;
    color: #fff;
    font-size: 0.62rem;
    font-weight: 950;
    cursor: pointer;
}

.whatsapp-staff-sound-toggle.enabled {
    background: #15803d;
}

.whatsapp-staff-panel-drag::before {
    content: "";
    width: 27px;
    height: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.58);
}

@supports not (height: 100dvh) {
    .whatsapp-staff-panel { height: min(760px, calc(100vh - 24px)); }
}

.whatsapp-staff-panel[hidden] {
    display: none !important;
}

.whatsapp-staff-panel.is-positioned {
    transform: none;
}

.whatsapp-staff-panel-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    min-width: 0;
    padding: 6px 7px 6px 14px;
    background: #0f172a;
    color: #fff;
    cursor: default;
}

.whatsapp-staff-panel-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    min-width: 0;
}

.whatsapp-staff-panel-tab {
    position: relative;
    min-width: 0;
    height: 34px;
    padding: 0 4px;
    overflow: visible;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.69rem;
    font-weight: 900;
    cursor: pointer;
}

.whatsapp-staff-panel-tab.active {
    border-color: #86efac;
    background: #087f5b;
    color: #fff;
}

.whatsapp-channel-tab-badge {
    position: absolute;
    top: -6px;
    right: -5px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border: 2px solid #0f172a;
    border-radius: 999px;
    background: #dc2626;
    color: #fff;
    font-size: 0.62rem;
    font-weight: 950;
    line-height: 14px;
    text-align: center;
}

.whatsapp-channel-tab-badge[hidden] {
    display: none !important;
}

.whatsapp-staff-panel-actions {
    display: flex;
    align-items: center;
    gap: 5px;
}

.whatsapp-staff-panel-action {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    font-size: 20px;
    font-weight: 900;
    cursor: pointer;
}

.whatsapp-staff-panel-action:active {
    transform: scale(0.94);
}

.whatsapp-staff-panel-action.close {
    background: #b91c1c;
}

.whatsapp-staff-panel-action.restaurant-info {
    border: 1px solid rgba(186, 230, 253, 0.58);
    background: #0369a1;
    font-family: Georgia, serif;
    font-size: 1.15rem;
    font-style: italic;
}

.whatsapp-staff-panel-body {
    position: relative;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    background: #e9edef;
}

.whatsapp-staff-panel-frame {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
    background: #e9edef;
}

.whatsapp-staff-panel-frame[hidden] {
    display: none !important;
}

.whatsapp-staff-panel-status {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: grid;
    place-items: center;
    padding: 24px;
    background: #f3f6f8;
    color: #334155;
    text-align: center;
    font-size: 1rem;
    font-weight: 800;
}

.whatsapp-staff-panel-status.error {
    color: #991b1b;
    background: #fff7f7;
}

.whatsapp-staff-panel-status[hidden] {
    display: none !important;
}

.whatsapp-staff-table-panel {
    display: flex !important;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    padding: 7px !important;
    box-sizing: border-box;
    overflow: hidden !important;
    background: #f8fafc;
}

.whatsapp-staff-table-panel[hidden] {
    display: none !important;
}

.whatsapp-staff-table-panel > .message-section-title,
.whatsapp-staff-table-panel > .message-help {
    display: none;
}

.whatsapp-staff-table-panel .message-chat-new {
    flex: 0 0 auto;
    padding: 6px;
    margin-bottom: 6px;
    border-width: 1px;
    border-radius: 8px;
}

.whatsapp-staff-table-panel .message-chat-new-row {
    grid-template-columns: 82px minmax(0, 1fr) 54px !important;
    gap: 5px;
}

.whatsapp-staff-table-panel .message-chat-new-row select,
.whatsapp-staff-table-panel .message-chat-new-row textarea,
.whatsapp-staff-table-panel .message-chat-new-row button {
    min-height: 38px;
    height: 38px;
    border-radius: 7px;
    font-size: 0.72rem;
}

.whatsapp-staff-table-panel .message-chat-new-row select {
    padding: 0 5px;
}

.whatsapp-staff-table-panel .message-chat-new-row textarea {
    padding: 8px;
    resize: none;
}

.whatsapp-staff-table-panel .message-chat-layout {
    grid-template-columns: 112px minmax(0, 1fr) !important;
    gap: 6px;
    flex: 1 1 auto;
    min-height: 0;
}

.whatsapp-staff-table-panel .message-chat-list {
    padding: 4px;
    border-width: 1px;
    border-radius: 8px;
}

.whatsapp-staff-table-panel .message-chat-conversation {
    padding: 6px;
    margin-bottom: 5px;
    border-width: 1px;
    border-radius: 7px;
}

.whatsapp-staff-table-panel .message-chat-conv-title {
    gap: 4px;
    font-size: 0.76rem;
}

.whatsapp-staff-table-panel .message-chat-conv-meta {
    font-size: 0.62rem;
}

.whatsapp-staff-table-panel .message-chat-conv-last {
    margin-top: 3px;
    font-size: 0.67rem;
}

.whatsapp-staff-table-panel .message-chat-thread {
    border-width: 1px;
    border-radius: 8px;
}

.whatsapp-staff-table-panel .message-chat-thread-head {
    gap: 5px;
    padding: 7px 8px;
    font-size: 0.76rem;
}

.whatsapp-staff-table-panel .message-chat-thread-head button {
    padding: 5px 6px;
    border-radius: 6px;
    font-size: 0.62rem;
}

.whatsapp-staff-table-panel .message-chat-confirm-delete {
    margin: 6px 7px 0;
    padding: 7px;
    border-radius: 7px;
}

.whatsapp-staff-table-panel .message-chat-confirm-text {
    margin-bottom: 6px;
    font-size: 0.72rem;
}

.whatsapp-staff-table-panel .message-chat-confirm-actions button {
    min-height: 34px;
    font-size: 0.68rem;
}

.whatsapp-staff-table-panel .message-chat-messages {
    padding: 7px;
    gap: 5px;
}

.whatsapp-staff-table-panel .message-chat-empty {
    padding: 12px 5px;
    font-size: 0.72rem;
}

.whatsapp-staff-table-panel .message-chat-bubble {
    max-width: 94%;
    padding: 7px 8px;
    border-width: 1px;
    border-radius: 9px;
    font-size: 0.78rem;
}

.whatsapp-staff-table-panel .message-chat-time {
    font-size: 0.6rem;
}

.whatsapp-staff-table-panel .message-chat-reply {
    flex-direction: row !important;
    gap: 5px;
    padding: 6px;
}

.whatsapp-staff-table-panel .message-chat-reply textarea {
    min-width: 0;
    min-height: 40px;
    max-height: 80px;
    padding: 7px;
    border-radius: 7px;
    font-size: 0.75rem;
}

.whatsapp-staff-table-panel .message-chat-reply button {
    width: 54px !important;
    min-height: 40px;
    border-radius: 7px;
    font-size: 0.65rem;
}

@media (max-width: 700px) {
    .whatsapp-staff-panel {
        inset: max(4px, env(safe-area-inset-top, 0px)) 4px max(4px, env(safe-area-inset-bottom, 0px)) 4px;
        width: auto;
        height: auto;
        min-width: 0;
        min-height: 0;
        transform: none;
        border-radius: 11px;
        grid-template-rows: 45px 48px minmax(0, 1fr);
    }

    .whatsapp-staff-panel-drag {
        cursor: default;
    }

    .whatsapp-staff-panel-drag::before,
    .whatsapp-staff-panel-drag-label {
        display: none;
    }

    .whatsapp-staff-sound-toggle {
        position: static;
        min-width: 120px;
    }
}

@media (min-width: 701px) {
    .header-notification-split { gap: 6px; }
    .header-notification-split .btn-style { font-size: 0.72rem; }
}

@media (prefers-reduced-motion: reduce) {
    .btn-whatsapp-staff.has-unread { animation: none; }
}