.ai-chat-launcher {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 1200;
    width: 54px;
    height: 54px;
    border: 0;
    border-radius: 50%;
    background: #0f766e;
    color: #fff;
    display: grid;
    place-items: center;
    box-shadow: 0 16px 34px rgba(15, 118, 110, 0.28);
    cursor: pointer;
}

.ai-chat-launcher svg {
    width: 24px;
    height: 24px;
}

.ai-chat-panel {
    position: fixed;
    right: 22px;
    bottom: 88px;
    z-index: 1200;
    width: min(380px, calc(100vw - 28px));
    height: min(560px, calc(100vh - 120px));
    display: none;
    grid-template-rows: auto 1fr auto;
    border: 1px solid #cfe0ee;
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 22px 58px rgba(15, 23, 42, 0.22);
    overflow: hidden;
}

.ai-chat-panel.open {
    display: grid;
}

.ai-chat-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding: 0.95rem 1rem;
    border-bottom: 1px solid #dbeafe;
    background: #f8fafc;
}

.ai-chat-head strong {
    display: block;
    color: #0f172a;
}

.ai-chat-head span {
    display: block;
    margin-top: 0.15rem;
    color: #64748b;
    font-size: 0.82rem;
}

.ai-chat-close {
    border: 1px solid #dbeafe;
    border-radius: 10px;
    background: #fff;
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    cursor: pointer;
    color: #0f172a;
}

.ai-chat-log {
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background: #f8fbff;
}

.ai-chat-message {
    max-width: 86%;
    border-radius: 12px;
    padding: 0.7rem 0.8rem;
    line-height: 1.5;
    font-size: 0.94rem;
    white-space: pre-wrap;
}

.ai-chat-message.bot {
    align-self: flex-start;
    background: #ffffff;
    border: 1px solid #dbeafe;
    color: #0f172a;
}

.ai-chat-message.user {
    align-self: flex-end;
    background: #0f766e;
    color: #ffffff;
}

.ai-chat-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.55rem;
    padding: 0.85rem;
    border-top: 1px solid #dbeafe;
    background: #ffffff;
}

.ai-chat-input {
    min-width: 0;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 0.78rem 0.85rem;
    font: inherit;
}

.ai-chat-send {
    border: 0;
    border-radius: 12px;
    background: #2563eb;
    color: #fff;
    padding: 0 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    min-width: 46px;
}

.ai-chat-send:disabled {
    opacity: 0.65;
    cursor: wait;
}

@media (max-width: 640px) {
    .ai-chat-launcher {
        right: 14px;
        bottom: 14px;
    }

    .ai-chat-panel {
        right: 14px;
        bottom: 78px;
        height: min(520px, calc(100vh - 96px));
    }
}