.messenger-launcher {
    position: relative;
    list-style: none;
    display: flex;
    align-items: center;
    z-index: 1040; /* below Bootstrap modal (1055) */
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.messenger-nav-trigger {
    border: none;
    background: transparent;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    position: relative;
    color: #fff !important;
}

.messenger-nav-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    color: #fff;
    box-shadow: 0 10px 22px rgba(79, 70, 229, .25);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.messenger-nav-trigger:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

.messenger-nav-text {
    line-height: 1;
}

.messenger-fab {
    width: 58px;
    height: 58px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    color: #fff;
    box-shadow: 0 14px 32px rgba(79, 70, 229, .35);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    position: relative;
    transition: transform .18s ease, box-shadow .18s ease;
}

.messenger-fab:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 18px 36px rgba(79, 70, 229, .45);
}

.messenger-fab-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 24px;
    height: 24px;
    padding: 0 7px;
    border-radius: 999px;
    background: linear-gradient(135deg, #ff4d6d, #ef4444);
    color: #fff;
    font-size: .74rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
    box-shadow: 0 10px 18px rgba(239, 68, 68, .32);
}

.messenger-panel {
    position: fixed;
    right: 16px;
    top: 76px;
    width: min(860px, calc(100vw - 32px));
    height: min(640px, calc(100vh - 120px));
    border-radius: 24px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 30px 70px rgba(15, 23, 42, .28);
    display: flex;
    z-index: 1045; /* below Bootstrap modal (1055) */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(20px) scale(.98);
    transition: all .22s ease;
}

.messenger-panel.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.messenger-sidebar {
    width: 320px;
    background: linear-gradient(180deg, #111827, #1f2937);
    color: #fff;
    display: flex;
    flex-direction: column;
}

.messenger-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 18px 12px;
}

.messenger-title {
    font-size: 1.15rem;
    font-weight: 700;
}

.messenger-subtitle {
    font-size: .82rem;
    color: #cbd5e1;
}

.messenger-close,
.messenger-tool-btn,
.messenger-send {
    border: none;
    background: transparent;
    color: inherit;
}

.messenger-close {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    color: #e2e8f0;
    background: rgba(255,255,255,.08);
}

.messenger-search {
    padding: 0 18px 14px;
}

.messenger-search input {
    width: 100%;
    border: none;
    border-radius: 999px;
    padding: 11px 14px;
    background: rgba(255,255,255,.08);
    color: #fff;
    outline: none;
}

.messenger-search input::placeholder {
    color: #94a3b8;
}

/* Filter toggle buttons */
.messenger-filter-bar {
    padding: 0 10px 10px;
}

.messenger-filter-btn {
    flex: 1;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 999px;
    background: transparent;
    color: #94a3b8;
    font-size: .78rem;
    font-weight: 600;
    padding: 5px 10px;
    cursor: pointer;
    transition: background .15s, color .15s;
}

.messenger-filter-btn.active,
.messenger-filter-btn:hover {
    background: rgba(255,255,255,.12);
    color: #fff;
    border-color: rgba(255,255,255,.3);
}

.messenger-contact-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 10px 14px;
}

.messenger-contact {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 10px;
    border-radius: 16px;
    cursor: pointer;
    color: #fff;
    transition: background .15s ease;
}

.messenger-contact:hover,
.messenger-contact.active {
    background: rgba(255,255,255,.1);
}

.messenger-avatar,
.messenger-avatar--lg {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.messenger-avatar--lg {
    width: 48px;
    height: 48px;
}

.messenger-avatar-presence {
    position: relative;
}

.messenger-avatar-presence.online::after {
    content: "";
    position: absolute;
    right: 1px;
    bottom: 1px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #22c55e;
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px rgba(34, 197, 94, .18);
}

.messenger-avatar--lg.messenger-avatar-presence.online::after {
    width: 14px;
    height: 14px;
    right: 2px;
    bottom: 2px;
}

.messenger-contact-body {
    min-width: 0;
    flex: 1;
}

.messenger-contact-top,
.messenger-contact-bottom,
.messenger-main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.messenger-contact-name {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.messenger-contact-role,
.messenger-contact-time,
.messenger-active-status,
.messenger-message-time,
.messenger-empty-subtitle {
    font-size: .8rem;
    color: #94a3b8;
}

.messenger-contact-preview {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: .88rem;
    color: #e2e8f0;
}

.messenger-unread {
    min-width: 24px;
    height: 24px;
    padding: 0 7px;
    border-radius: 999px;
    background: linear-gradient(135deg, #a855f7, #7c3aed);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px rgba(124, 58, 237, .28);
}

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

.messenger-main-header {
    padding: 18px 22px;
    border-bottom: 1px solid #e5e7eb;
    background: #fff;
}

.messenger-active-name {
    font-weight: 700;
    color: #0f172a;
}

.messenger-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    color: #475569;
    padding: 24px;
    text-align: center;
}

.messenger-empty-icon {
    width: 76px;
    height: 76px;
    border-radius: 24px;
    background: linear-gradient(135deg, #8b5cf6, #4f46e5);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.messenger-thread {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.messenger-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.messenger-message-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.messenger-message-row.mine {
    justify-content: flex-end;
}

.messenger-message-content {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.messenger-message-content.recalled {
    gap: 0;
}

.messenger-bubble {
    max-width: min(72%, 420px);
    border-radius: 18px;
    padding: 12px 14px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, .08);
}

.messenger-message-row.theirs .messenger-bubble {
    background: #fff;
    color: #111827;
    border-bottom-left-radius: 6px;
}

.messenger-message-row.mine .messenger-bubble {
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    color: #fff;
    border-bottom-right-radius: 6px;
}

.messenger-bubble.recalled {
    background: #e5e7eb !important;
    color: #6b7280 !important;
    border-bottom-right-radius: 18px;
    border-bottom-left-radius: 18px;
}

.messenger-message-author {
    font-size: .78rem;
    font-weight: 600;
    margin-bottom: 4px;
    opacity: .8;
}

.messenger-message-text {
    line-height: 1.45;
    word-break: break-word;
}

.messenger-bubble.recalled .messenger-message-text {
    font-style: italic;
}

.messenger-message-time {
    margin-top: 6px;
    opacity: .85;
}

.messenger-message-actions {
    position: relative;
    z-index: 5;
}

.messenger-message-menu-toggle {
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 50%;
    background: #e5e7eb;
    color: #374151;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.messenger-message-menu {
    position: absolute;
    right: 0;
    bottom: 42px;
    min-width: 140px;
    background: #111827;
    border-radius: 14px;
    box-shadow: 0 18px 34px rgba(15, 23, 42, .3);
    padding: 8px;
    display: none;
    z-index: 2;
}

.messenger-message-menu.open {
    display: block;
}

.messenger-message-menu button {
    width: 100%;
    border: none;
    background: transparent;
    color: #fff;
    text-align: left;
    padding: 10px 12px;
    border-radius: 10px;
    font-weight: 600;
}

.messenger-message-menu button:hover {
    background: rgba(255, 255, 255, .08);
}

.messenger-read-receipt {
    margin-top: 4px;
    font-size: .76rem;
    color: #64748b;
    text-align: right;
    font-weight: 600;
}

.messenger-composer {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 18px;
    border-top: 1px solid #e5e7eb;
    background: #fff;
}

.messenger-tool-btn,
.messenger-send {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.messenger-tool-btn {
    background: #eef2ff;
    color: #4f46e5;
}

.messenger-composer input {
    flex: 1;
    min-width: 0;
    border: none;
    border-radius: 999px;
    background: #f1f5f9;
    padding: 12px 16px;
    outline: none;
}

.messenger-send {
    background: linear-gradient(135deg, #8b5cf6, #4f46e5);
    color: #fff;
}

.messenger-empty-list {
    padding: 24px 16px;
    text-align: center;
    color: #94a3b8;
}

@media (max-width: 991.98px) {
    .messenger-panel {
        width: calc(100vw - 20px);
        height: calc(100vh - 120px);
        right: -6px;
    }
}

@media (max-width: 767.98px) {
    .messenger-launcher {
        width: 100%;
    }

    .messenger-panel {
        position: fixed;
        width: calc(100vw - 12px);
        height: calc(100vh - 90px);
        top: 72px;
        right: 6px;
        border-radius: 20px;
        flex-direction: column;
    }

    .messenger-sidebar {
        width: 100%;
        max-height: 42%;
    }

    .messenger-bubble {
        max-width: 85%;
    }
}