.cait-chat {
    max-width: var(--cait-max-width, 720px);
    margin: 30px auto;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: var(--cait-font-size, 15px);
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    background: #fff;
}

.cait-header {
    background: var(--cait-header-bg, #2b6cff) !important;
    color: var(--cait-header-text, #fff) !important;
    padding: 14px 20px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    font-weight: 600;
    font-size: 15px;
}

.cait-header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.cait-header-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 6px #4ade80;
    animation: cait-pulse 2s infinite;
    flex-shrink: 0;
}

@keyframes cait-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}

.cait-reset {
    background: rgba(255,255,255,0.15) !important;
    border: 1px solid rgba(255,255,255,0.35) !important;
    color: var(--cait-header-text, #fff) !important;
    padding: 6px 14px !important;
    border-radius: 20px !important;
    cursor: pointer !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    white-space: nowrap !important;
    transition: background 0.2s !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    position: absolute !important;
    right: 20px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
}

.cait-reset:hover {
    background: rgba(255,255,255,0.28) !important;
}

.cait-messages {
    min-height: 360px;
    max-height: 500px;
    overflow-y: auto;
    padding: 20px;
    background: var(--cait-chat-bg, #f9fafb);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cait-messages::-webkit-scrollbar { width: 6px; }
.cait-messages::-webkit-scrollbar-track { background: transparent; }
.cait-messages::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 3px; }

.msg {
    padding: 12px 16px;
    border-radius: 14px;
    max-width: 80%;
    line-height: 1.55;
    word-break: break-word;
}

.msg.user {
    background: var(--cait-user-bubble, #2b6cff);
    color: var(--cait-user-text, #fff);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.msg.bot {
    background: var(--cait-bot-bubble, #fff);
    color: var(--cait-bot-text, #111827);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.07);
}

.msg.typing {
    background: var(--cait-bot-bubble, #fff);
    align-self: flex-start;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 14px 18px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.07);
}

.msg.typing span {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #9ca3af;
    border-radius: 50%;
    animation: cait-bounce 1.2s infinite;
}

.msg.typing span:nth-child(2) { animation-delay: 0.2s; }
.msg.typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes cait-bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-6px); }
}

.cait-input {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-top: 1px solid #e5e7eb;
    background: #fff;
}

.cait-text {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--cait-input-border, #d1d5db);
    border-radius: 24px;
    font-size: var(--cait-font-size, 15px);
    outline: none;
    transition: border-color 0.2s;
    font-family: inherit;
}

.cait-text:focus {
    border-color: var(--cait-send-bg, #2b6cff);
}

.cait-send {
    min-width: 42px;
    height: 42px;
    padding: 0 14px;
    border-radius: 24px;
    background: var(--cait-send-bg, #2b6cff);
    color: var(--cait-send-text, #fff);
    border: 2px solid var(--cait-send-bg, #2b6cff) !important;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    gap: 6px;
    transition: opacity 0.2s, transform 0.1s, box-shadow 0.2s;
    flex-shrink: 0;
}

.cait-send:hover {
    opacity: 0.9;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important;
}

.cait-send:active   { transform: scale(0.94); }
.cait-send:disabled { opacity: 0.4; cursor: not-allowed; }

@media (max-width: 600px) {
    .cait-chat { margin: 10px; border-radius: 12px; }
    .msg        { max-width: 95%; }
}