.support-chat-launcher { position: fixed; right: 18px; bottom: 82px; z-index: 1080; }
body.is-authenticated .support-chat-launcher { display: none; }
.support-chat-btn {
    width: 56px; height: 56px; border-radius: 16px;
    background: linear-gradient(145deg, #3b82f6, #4f46e5);
    border: 1px solid rgba(255,255,255,.15);
    box-shadow: 0 12px 26px rgba(37, 99, 235, .35);
    display: inline-flex; align-items: center; justify-content: center; color: #fff;
    transition: transform .16s ease, box-shadow .16s ease;
}
.support-chat-btn:hover { transform: translateY(-1px); box-shadow: 0 16px 30px rgba(37,99,235,.42); }

.support-chat-panel {
    position: fixed; right: 18px; bottom: 146px; width: min(92vw, 380px); height: 530px;
    background-color: var(--bs-body-bg, #212529);
    color: var(--bs-body-color, #e9ecef);
    border: 1px solid var(--bs-border-color-translucent);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 22px 48px rgba(0,0,0,.28);
    z-index: 1080;
    transform-origin: bottom right; transform: scale(.96) translateY(12px);
    opacity: 0; visibility: hidden; transition: all .18s ease;
    display: flex; flex-direction: column;
}
.support-chat-panel.show { transform: scale(1) translateY(0); opacity: 1; visibility: visible; }
.support-chat-panel.is-maximized { width: min(96vw, 700px); height: 80vh; right: 10px; bottom: 10px; }
.support-chat-panel.is-minimized { transform: translateX(calc(100% - 46px)); opacity: 1; visibility: visible; }

.support-chat-topbar {
    padding: .65rem .75rem;
    background-color: color-mix(in srgb, var(--bs-body-bg, #212529) 92%, var(--bs-primary) 8%);
    border-bottom: 1px solid var(--bs-border-color-translucent);
}
.support-chat-title { font-size: .95rem; font-weight: 700; line-height: 1.1; }
.support-chat-subtitle { font-size: .75rem; }
.support-chat-actions .btn {
    width: 30px; height: 30px; padding: 0; border-radius: 10px;
    display: inline-flex; align-items: center; justify-content: center;
}

.support-chat-messages {
    background-color: var(--bs-tertiary-bg, #2b3035);
    flex: 1 1 auto;
    overflow-y: auto;
    padding: .75rem !important;
}
.support-chat-msg-row { margin-bottom: .45rem !important; display: flex; }
.support-chat-msg {
    width: fit-content;
    max-width: min(86%, 290px);
    border-radius: 14px !important;
    padding: .48rem .62rem !important;
    line-height: 1.35;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.support-chat-msg--client {
    background: linear-gradient(145deg, #4f5fa8, #5b6cc0);
    color: #fff;
    border-bottom-right-radius: 6px !important;
}
.support-chat-msg--support {
    background-color: var(--bs-secondary-bg, #343a40);
    color: var(--bs-body-color);
    border: 1px solid var(--bs-border-color-translucent);
    border-bottom-left-radius: 6px !important;
}
.support-chat-meta { font-size: .7rem; opacity: .9; margin-bottom: .2rem !important; }
.support-chat-time { font-size: .64rem; opacity: .72; margin-top: .24rem !important; }
.support-chat-support-avatar {
    width: 18px; height: 18px; border-radius: 50%; object-fit: cover;
    border: 1px solid var(--bs-border-color-translucent);
}
.support-chat-system-box {
    background-color: var(--bs-secondary-bg, #343a40);
    border: 1px solid var(--bs-border-color-translucent);
    color: var(--bs-body-color);
    padding: .5rem .6rem !important;
    border-radius: 10px;
    margin-bottom: .5rem !important;
}

.support-chat-composer {
    padding: .6rem .7rem !important;
    background-color: color-mix(in srgb, var(--bs-body-bg, #212529) 94%, var(--bs-primary) 6%);
    border-top: 1px solid var(--bs-border-color-translucent);
}
.support-chat-composer .form-control,
.support-chat-composer .btn { font-size: .82rem; }
.support-chat-composer textarea { min-height: 38px; }
.support-chat-readonly-box { border-top: 1px solid var(--bs-border-color-translucent); }
.support-chat-stars button { color: #f7b500; }