/* ============================================================
   Turnaround RAG Chatbot Widget
   Floating panel pinned to bottom-right of every page.
   Colour palette matches the Turnaround site: teal/green.
   ============================================================ */

:root {
    --cb-accent:   var(--color-green-2);  /* #26a370 — mid green */
    --cb-accent-d: var(--color-green-1);  /* #1a4247 — dark teal, hover & headings */
    --cb-bg:       #ffffff;
    --cb-text:     var(--color-grey-1);   /* #343e47 */
    --cb-border:   var(--color-green-4);  /* #cde5d7 — soft green border */
    --cb-msg-bg:   var(--color-grey-4);   /* #f8f9fa — light bg for bot messages */
    --cb-radius:   12px;
    --cb-shadow:   0 4px 28px rgba(26,66,71,0.18);
    --cb-width:    380px;
    --cb-height:   520px;
    --cb-font:     'Inter', Helvetica, Arial, sans-serif;
}

/* ---- Toggle button ---- */
#chatbot-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9998;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--cb-accent);
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: var(--cb-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.25s, transform 0.2s;
    font-family: var(--cb-font);
}

#chatbot-btn:hover {
    background: var(--cb-accent-d);
    transform: scale(1.05);
}

#chatbot-btn svg {
    width: 26px;
    height: 26px;
    fill: currentColor;
}

/* ---- Chat panel ---- */
#chatbot-panel {
    position: fixed;
    bottom: 92px;
    right: 24px;
    z-index: 9999;
    width: var(--cb-width);
    max-width: calc(100vw - 48px);
    height: var(--cb-height);
    max-height: calc(100vh - 120px);
    background: var(--cb-bg);
    border: 1px solid var(--cb-border);
    border-radius: var(--cb-radius);
    box-shadow: var(--cb-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 0.2s, transform 0.2s;
    font-family: var(--cb-font);
}

#chatbot-panel.cb-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
}

/* ---- Header ---- */
#chatbot-header {
    background: linear-gradient(135deg, var(--color-green-2) 0%, var(--color-green-1) 100%);
    color: #fff;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

#chatbot-header .cb-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

#chatbot-header .cb-avatar svg {
    width: 18px;
    height: 18px;
    fill: #fff;
}

#chatbot-header .cb-title {
    flex: 1;
}

#chatbot-header .cb-title strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--cb-font);
    letter-spacing: 0.01em;
}

#chatbot-header .cb-title span {
    font-size: 13px;
    opacity: 0.8;
    font-family: var(--cb-font);
}

#chatbot-close {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    opacity: 0.75;
    font-size: 18px;
    transition: opacity 0.15s;
}

#chatbot-close:hover {
    opacity: 1;
}

/* ---- Messages ---- */
#chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    font-size: 15px;
    line-height: 1.65;
    font-family: var(--cb-font);
    background: #fdfdfd;
}

.cb-msg {
    max-width: 88%;
    padding: 11px 14px;
    border-radius: 10px;
    word-wrap: break-word;
    font-family: var(--cb-font);
}

.cb-msg.cb-bot {
    background: var(--cb-msg-bg);
    color: var(--cb-text);
    align-self: flex-start;
    border-bottom-left-radius: 3px;
    border: 1px solid var(--color-green-4);
}

.cb-msg.cb-user {
    background: var(--cb-accent);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 3px;
}

/* Markdown-rendered content inside bot messages */
.cb-msg-content p {
    margin: 0 0 8px;
}

.cb-msg-content p:last-child {
    margin-bottom: 0;
}

.cb-msg-content ul,
.cb-msg-content ol {
    margin: 6px 0 8px;
    padding-left: 20px;
}

.cb-msg-content ul li {
    list-style-type: disc;
}

.cb-msg-content ol li {
    list-style-type: decimal;
}

.cb-msg-content li {
    margin-bottom: 4px;
    display: list-item;
}

.cb-msg-content strong {
    font-weight: 600;
    color: var(--cb-accent-d);
}

.cb-msg-content em {
    font-style: italic;
}

.cb-msg-content a {
    color: var(--cb-accent);
    text-decoration: underline;
}

/* Sources section */
.cb-sources {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--color-green-4);
    font-size: 13px;
}

.cb-sources-label {
    display: block;
    color: var(--color-grey-2);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 11px;
    font-weight: 600;
}

.cb-sources a {
    display: inline-block;
    margin-top: 3px;
    margin-right: 4px;
    padding: 4px 10px;
    background: var(--color-green-5);
    border: 1px solid var(--color-green-4);
    border-radius: 20px;
    color: var(--cb-accent);
    text-decoration: none;
    font-size: 13px;
    line-height: 1.5;
    transition: background 0.15s, border-color 0.15s;
}

.cb-sources a:hover {
    background: var(--color-green-4);
    border-color: var(--color-green-3);
}

/* Typing indicator */
.cb-typing {
    display: flex;
    gap: 4px;
    align-items: center;
    padding: 12px 13px;
}

.cb-typing span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-green-3);
    animation: cb-bounce 1.2s infinite ease-in-out;
}

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

@keyframes cb-bounce {
    0%, 80%, 100% { transform: scale(0.7); opacity: 0.5; }
    40%           { transform: scale(1.0); opacity: 1; }
}

/* ---- Input area ---- */
#chatbot-form {
    padding: 12px;
    border-top: 1px solid var(--cb-border);
    display: flex;
    gap: 8px;
    flex-shrink: 0;
    background: #fff;
}

#chatbot-input {
    flex: 1;
    border: 1px solid var(--cb-border);
    border-radius: 8px;
    padding: 9px 12px;
    font-size: 15px;
    font-family: var(--cb-font);
    color: var(--cb-text);
    resize: none;
    outline: none;
    line-height: 1.4;
    max-height: 80px;
    overflow-y: auto;
    transition: border-color 0.15s;
}

#chatbot-input:focus {
    border-color: var(--cb-accent);
    box-shadow: 0 0 0 2px var(--color-green-5);
}

#chatbot-send {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: var(--cb-accent);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s;
    align-self: flex-end;
}

#chatbot-send:hover:not(:disabled) {
    background: var(--cb-accent-d);
}

#chatbot-send:disabled {
    opacity: 0.45;
    cursor: default;
}

#chatbot-send svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* ---- Disclaimer ---- */
#chatbot-disclaimer {
    padding: 7px 14px;
    font-size: 12px;
    color: var(--color-grey-2);
    text-align: center;
    border-top: 1px solid var(--cb-border);
    background: var(--color-green-6);
    flex-shrink: 0;
    font-family: var(--cb-font);
}