:root {
    --bise-chat-primary: #0a5c36;
}

#bise-chatbot-root {
    --bise-chat-primary-rt: var(--bise-chat-primary);
    position: fixed;
    z-index: 999999;
    bottom: 20px;
    right: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
#bise-chatbot-root.bise-pos-bottom-left { right: auto; left: 20px; }

.bise-chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bise-chat-primary-rt);
    color: #fff;
    border: none;
    box-shadow: 0 4px 14px rgba(0,0,0,.2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}
.bise-chat-toggle:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }

.bise-chat-window {
    position: absolute;
    bottom: 76px;
    right: 0;
    width: 360px;
    max-width: calc(100vw - 24px);
    height: 520px;
    max-height: calc(100vh - 120px);
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 10px 40px rgba(0,0,0,.25);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
#bise-chatbot-root.bise-pos-bottom-left .bise-chat-window { right: auto; left: 0; }
.bise-chat-window[hidden] { display: none; }

.bise-chat-header {
    background: var(--bise-chat-primary-rt);
    color: #fff;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
}
.bise-chat-header button {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
}

.bise-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #f7f8f7;
}

.bise-msg { max-width: 85%; padding: 10px 12px; border-radius: 12px; font-size: 14px; line-height: 1.45; white-space: pre-wrap; word-wrap: break-word; }
.bise-msg-bot { background: #fff; border: 1px solid #e2e4e2; align-self: flex-start; border-bottom-left-radius: 2px; }
.bise-msg-user { background: var(--bise-chat-primary-rt); color: #fff; align-self: flex-end; border-bottom-right-radius: 2px; }
.bise-msg-error { background: #fdeaea; border: 1px solid #f3c1c1; color: #7a1f1f; align-self: flex-start; }
.bise-msg-sources { font-size: 12px; color: #666; margin-top: 6px; }

.bise-msg-fields { border-collapse: collapse; margin-top: 4px; }
.bise-msg-fields td { padding: 2px 8px 2px 0; font-size: 13px; vertical-align: top; }
.bise-msg-fields td:first-child { font-weight: 600; color: #444; }

.bise-quick-actions { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 14px 10px; }
.bise-quick-btn, .bise-retry-btn {
    background: #fff;
    border: 1px solid var(--bise-chat-primary-rt);
    color: var(--bise-chat-primary-rt);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    cursor: pointer;
}
.bise-quick-btn:hover, .bise-retry-btn:hover { background: var(--bise-chat-primary-rt); color: #fff; }

.bise-chat-typing { align-self: flex-start; font-size: 13px; color: #888; padding: 4px 12px; }

.bise-chat-inputbar {
    display: flex;
    gap: 8px;
    padding: 10px;
    border-top: 1px solid #e2e4e2;
    background: #fff;
}
.bise-chat-inputbar textarea {
    flex: 1;
    resize: none;
    border: 1px solid #d6d8d6;
    border-radius: 10px;
    padding: 8px 10px;
    font-size: 14px;
    max-height: 80px;
    font-family: inherit;
}
.bise-chat-inputbar textarea:focus { outline: 2px solid var(--bise-chat-primary-rt); }
.bise-chat-send {
    background: var(--bise-chat-primary-rt);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 0 16px;
    cursor: pointer;
    font-size: 14px;
}
.bise-chat-send:disabled { opacity: .5; cursor: default; }

@media (max-width: 480px) {
    .bise-chat-window {
        position: fixed;
        inset: 0;
        width: 100%;
        height: 100%;
        max-width: 100%;
        max-height: 100%;
        border-radius: 0;
        bottom: 0;
        right: 0;
    }
    #bise-chatbot-root { bottom: 12px; right: 12px; }
}