/* Shared customer and staff chat composer. */
.tbs-chat-composer {
    display: block !important;
    min-width: 0;
    margin: 0 !important;
}

.tbs-support-conversation form.tbs-chat-composer,
.tbs-support-reply.tbs-chat-composer {
    padding-top: 14px;
    border-top: 1px solid #dfe8ea;
}

.tbs-support-conversation form > .tbs-chat-composer__shell,
.tbs-tenant-support-page .tbs-support-reply > .tbs-chat-composer__shell {
    box-sizing: border-box;
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    width: 100%;
    min-width: 0;
    gap: 0 !important;
    margin: 0 !important;
    overflow: hidden;
    border: 1px solid #c8d9df;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 5px 18px rgba(16, 42, 61, .06);
    transition: border-color .18s ease, box-shadow .18s ease;
}

.tbs-support-conversation form > .tbs-chat-composer__shell:focus-within,
.tbs-tenant-support-page .tbs-support-reply > .tbs-chat-composer__shell:focus-within {
    border-color: #168b91;
    box-shadow: 0 0 0 4px rgba(22, 139, 145, .11), 0 8px 22px rgba(16, 42, 61, .08);
}

.tbs-chat-composer__shell > textarea,
.tbs-support-conversation .tbs-chat-composer__shell > textarea,
.tbs-tenant-support-page .tbs-support-reply .tbs-chat-composer__shell > textarea {
    box-sizing: border-box;
    display: block;
    width: 100%;
    height: auto;
    min-height: 58px;
    max-height: 160px;
    margin: 0;
    padding: 15px 16px 7px;
    overflow-y: auto;
    border: 0 !important;
    border-radius: 0;
    background: transparent;
    box-shadow: none !important;
    color: #102a3d;
    font: inherit;
    font-size: 14px;
    line-height: 1.45;
    outline: 0;
    resize: none;
}

.tbs-chat-composer__shell > textarea::placeholder {
    color: #8b9ca5;
}

.tbs-support-conversation .tbs-chat-composer__toolbar,
.tbs-tenant-support-page .tbs-support-reply .tbs-chat-composer__toolbar {
    display: flex !important;
    width: auto;
    min-width: 0;
    min-height: 52px;
    align-items: center !important;
    justify-content: flex-end;
    gap: 9px;
    margin: 0 !important;
    padding: 5px 7px 7px 13px;
}

.tbs-chat-composer__error {
    min-width: 0;
    margin: 0 auto 0 0 !important;
    color: #a33d38;
    font-size: 11px;
    line-height: 1.35;
}

.tbs-chat-composer__error:empty {
    display: none;
}

.tbs-tenant-support-page .tbs-support-reply .tbs-chat-composer__note {
    display: inline-flex;
    min-height: 36px;
    flex: 0 0 auto;
    align-items: center;
    gap: 7px;
    margin: 0;
    padding: 0 10px;
    border: 0;
    border-radius: 18px;
    background: #eef5f6;
    color: #526d79;
    font-size: 11px;
    font-weight: 750;
    line-height: 1;
    cursor: pointer;
}

.tbs-tenant-support-page .tbs-support-reply .tbs-chat-composer__note input[type="checkbox"] {
    width: 16px !important;
    height: 16px !important;
    min-height: 16px !important;
    flex: 0 0 16px;
    margin: 0 !important;
    padding: 0 !important;
    accent-color: #168b91;
}

.tbs-support-conversation .tbs-chat-composer__send,
.tbs-tenant-support-page .tbs-support-reply .tbs-chat-composer__send {
    display: grid !important;
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    min-height: 44px !important;
    flex: 0 0 44px;
    place-items: center;
    place-content: center;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0;
    border-radius: 50% !important;
    background: #138b91;
    color: #fff;
    cursor: pointer;
    transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}

.tbs-support-conversation .tbs-chat-composer__send:hover,
.tbs-tenant-support-page .tbs-support-reply .tbs-chat-composer__send:hover {
    background: #0d7078;
    box-shadow: 0 7px 16px rgba(19, 139, 145, .25);
    transform: translateY(-1px);
}

.tbs-chat-composer__send:focus-visible {
    outline: 3px solid rgba(19, 139, 145, .25);
    outline-offset: 2px;
}

.tbs-chat-composer__send:disabled {
    opacity: .55;
    cursor: wait;
    transform: none;
}

.tbs-chat-composer__send > span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.tbs-chat-composer__send svg {
    display: block;
    width: 21px;
    height: 21px;
    margin: 0;
    fill: currentColor;
}

/* Public support uses a compact, single-surface composer on desktop and mobile. */
.tbs-support-conversation form.tbs-chat-composer--public > .tbs-chat-composer__shell {
    position: relative;
    display: block !important;
    overflow: visible;
    border-radius: 16px;
}

.tbs-support-conversation .tbs-chat-composer--public .tbs-chat-composer__shell > textarea {
    min-height: 72px;
    padding: 18px 76px 18px 18px;
    border-radius: 16px;
}

.tbs-support-conversation .tbs-chat-composer--public .tbs-chat-composer__send {
    position: absolute;
    top: 50%;
    right: 10px;
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    min-height: 44px !important;
    transform: translateY(-50%);
}

.tbs-support-conversation .tbs-chat-composer--public .tbs-chat-composer__send:hover {
    transform: translateY(-50%) scale(1.03);
}

.tbs-support-conversation .tbs-chat-composer--public .tbs-chat-composer__send:disabled {
    transform: translateY(-50%);
}

.tbs-support-conversation .tbs-chat-composer--public > .tbs-chat-composer__error {
    margin: 7px 4px 0 !important;
}

@media (max-width: 650px) {
    .tbs-support-conversation form.tbs-chat-composer,
    .tbs-support-reply.tbs-chat-composer {
        padding: 10px 0 0;
    }

    .tbs-tenant-support-page .tbs-support-reply.tbs-chat-composer {
        position: sticky;
        bottom: 0;
        z-index: 4;
        padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
        background: rgba(255, 255, 255, .96);
        backdrop-filter: blur(12px);
    }

    .tbs-chat-composer__shell > textarea,
    .tbs-support-conversation .tbs-chat-composer__shell > textarea,
    .tbs-tenant-support-page .tbs-support-reply .tbs-chat-composer__shell > textarea {
        min-height: 54px;
        padding: 14px 14px 5px;
        font-size: 16px;
    }

    .tbs-support-conversation .tbs-chat-composer--public .tbs-chat-composer__shell > textarea {
        min-height: 58px;
        padding: 13px 66px 13px 15px;
    }

    .tbs-support-conversation .tbs-chat-composer--public .tbs-chat-composer__send {
        right: 7px;
        width: 42px !important;
        height: 42px !important;
        min-width: 42px !important;
        min-height: 42px !important;
    }

    .tbs-support-conversation .tbs-chat-composer__toolbar,
    .tbs-tenant-support-page .tbs-support-reply .tbs-chat-composer__toolbar {
        display: flex !important;
        grid-template-columns: none;
        min-height: 50px;
        flex-direction: row !important;
        gap: 8px;
        padding: 4px 6px 6px 10px;
    }

    .tbs-tenant-support-page .tbs-support-reply .tbs-chat-composer__note {
        min-height: 34px;
        padding-inline: 9px;
        font-size: 10px;
    }

    .tbs-support-conversation .tbs-chat-composer__send,
    .tbs-tenant-support-page .tbs-support-reply .tbs-chat-composer__send {
        width: 44px !important;
        min-width: 44px !important;
    }
}