/* ── Chatbot FAB + Panel ─────────────────────────────── */

/* Hidden on mobile, visible on desktop only */
.cb-fab,
.cb-panel {
    display: none;
}

@media (min-width: 65rem) {
    .cb-fab {
        display: flex;
        position: fixed;
        bottom: 1.5rem;
        right: 2.5rem;
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: linear-gradient(135deg, #1b8463, #3375E0);
        border: none;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
        z-index: 100;
        color: #ffffff;
    }
    .cb-panel {
        display: flex;
        position: fixed;
        bottom: 5.25rem;
        right: 2.5rem;
    }
}

.cb-fab:hover {
    transform: scale(1.07);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.22);
}

/* Chat panel */
.cb-panel {
    position: fixed;
    bottom: 5.25rem;
    right: 1.5rem;
    width: 340px;
    max-height: 520px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: #ffffff;
    border: solid 1px rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.14);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.cb-panel.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* Header */
.cb-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1rem;
    border-bottom: solid 1px rgba(0, 0, 0, 0.06);
    flex-shrink: 0;
}

.cb-header-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: #202020;
    letter-spacing: 0.0125rem;
}

.cb-header-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.cb-clear {
    background: none;
    border: none;
    cursor: pointer;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem 0.3rem;
    transition: color 0.15s;
}

.cb-clear:hover {
    color: #202020;
}

html.dark .cb-clear {
    color: #666;
}

html.dark .cb-clear:hover {
    color: #ffffff;
}

.cb-close {
    background: none;
    border: none;
    cursor: pointer;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem 0.3rem;
    transition: color 0.15s;
}

.cb-close:hover {
    color: #202020;
}

/* Messages */
.cb-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 0.875rem 0.875rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    scroll-behavior: smooth;
    position: relative;
}

.cb-bubble {
    max-width: 82%;
    font-size: 0.85rem;
    font-weight: 300;
    line-height: 1.25;
    padding: 0.55rem 0.8rem;
    border-radius: 8px;
    word-break: break-word;
}

.cb-bubble p {
    font-size: 0.85rem;
}



.cb-bubble.user {
    align-self: flex-end;
    background: linear-gradient(135deg, #1b8463, #3375E0);
    color: #ffffff;
    border-bottom-right-radius: 3px;
    animation: cb-fade-in 0.25s ease;
}

.cb-bubble.bot {
    align-self: flex-start;
    background-color: #f2f3f7;
    color: #202020;
    border-bottom-left-radius: 3px;
    animation: cb-fade-in 0.3s ease;
}

@keyframes cb-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Typing indicator */
.cb-typing {
    align-self: flex-start;
    background-color: #f2f3f7;
    border-radius: 8px;
    border-bottom-left-radius: 3px;
    padding: 0.55rem 0.85rem;
    display: flex;
    gap: 4px;
    align-items: center;
}

.cb-typing span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #aaa;
    animation: cb-dot-bounce 1.2s ease-in-out infinite;
}

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

@keyframes cb-dot-bounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-5px); opacity: 1; }
}

/* Intro state */
.cb-intro {
    padding: 0.25rem 0 0.75rem;
}

.cb-intro-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: #202020;
    margin: 0 0 0.2rem;
    letter-spacing: -0.01em;
}

.cb-intro-sub {
    font-size: 0.875rem;
    font-weight: 400;
    color: #888;
    margin: 0 0 0.75rem;
    line-height: 1.4;
}

.cb-bubble p {
    margin: 0 0 0.85rem;
}

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

.cb-bubble ul {
    margin: 0.2rem 0 0.85rem;
    padding-left: 1.1rem;
}

.cb-bubble li {
    font-size: 0.825rem;
    margin-bottom: 0.25rem;
    line-height: 1.6;
}

.cb-bubble li:last-child {
    margin-bottom: 0;
}

.cb-timestamp {
    text-align: center;
    font-size: 0.7rem;
    font-weight: 400;
    color: #aaa;
    padding: 0.25rem 0 0.5rem;
    letter-spacing: 0.02em;
}

.cb-disclaimer {
    font-size: 0.6rem;
    font-weight: 300;
    color: #888;
    text-align: center;
    margin: 0;
    padding: 0.3rem 0.75rem 0.3rem;
}

.cb-fact-wrap {
    overflow: hidden;
    position: relative;
    height: 2rem;
    margin: 0.75rem 0 0;
}

.cb-fact {
    font-size: 0.75rem;
    font-weight: 300;
    color: #aaa;
    margin: 0;
    text-align: center;
    position: absolute;
    width: 100%;
    transition: transform 0.4s ease, opacity 0.4s ease;
    opacity: 1;
    transform: translateX(0);
}

.cb-fact-out-left {
    transform: translateX(-110%);
    opacity: 0;
}

.cb-fact-in-right {
    transform: translateX(110%);
    opacity: 0;
    transition: none;
}

html.dark .cb-fact {
    color: #555;
}

/* Suggestion chips */
.cb-chips {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.25rem 0 0.25rem;
    margin-top: auto;
}

.cb-chip {
    font-family: "Google Sans Flex", "Google Sans", sans-serif;
    font-size: 0.775rem;
    font-weight: 400;
    color: #202020;
    background-color: transparent;
    border: solid 1px #33333540;
    border-radius: 8px;
    padding: 0.35rem 0.75rem;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s, background-color 0.2s;
    letter-spacing: 0.0125rem;
}

.cb-chip:hover {
    background-color: #f2f3f7;
    border-color: #33333380;
}

.cb-followup-chips {
    margin-top: 0.25rem;
}
.cb-input-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.625rem 0.75rem 0.25rem;
    border-top: solid 1px rgba(0, 0, 0, 0.06);
    flex-shrink: 0;
}

.cb-input {
    flex: 1;
    font-family: "Google Sans Flex", "Google Sans", sans-serif;
    font-size: 0.825rem;
    font-weight: 300;
    color: #202020;
    background-color: #f2f3f7;
    border: solid 1px transparent;
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    outline: none;
    transition: border-color 0.2s, background-color 0.2s;
    letter-spacing: 0.0125rem;
}

.cb-input::placeholder {
    color: #aaa;
}

.cb-input:focus {
    background-color: #ffffff;
    border-color: #1b8463;
}

.cb-send {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1b8463, #3375E0);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    cursor: pointer;
    transition: opacity 0.2s;
}

.cb-send:hover { opacity: 0.85; }
.cb-send:disabled { opacity: 0.4; cursor: default; }

/* ── Dark mode ───────────────────────────────────────── */

html.dark .cb-panel {
    background-color: #1e1e1e;
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
}

html.dark .cb-header {
    border-bottom-color: rgba(255, 255, 255, 0.07);
}

html.dark .cb-header-title {
    color: #ffffff;
}

html.dark .cb-close {
    color: #666;
}

html.dark .cb-close:hover {
    color: #ffffff;
}

html.dark .cb-bubble.bot {
    background-color: #2a2a2a;
    color: #e2e2e2;
}

html.dark .cb-typing {
    background-color: #2a2a2a;
}

html.dark .cb-chip {
    color: #e2e2e2;
    border-color: rgba(255, 255, 255, 0.12);
}

html.dark .cb-chip:hover {
    background-color: #2a2a2a;
    border-color: rgba(255, 255, 255, 0.25);
}

html.dark .cb-input-row {
    border-top-color: rgba(255, 255, 255, 0.07);
}

html.dark .cb-input {
    background-color: #161616;
    color: #e2e2e2;
}

html.dark .cb-input:focus {
    background-color: #1e1e1e;
    border-color: #3ecfa0;
}

html.dark .cb-bubble.bot,
html.dark .cb-bubble.bot p,
html.dark .cb-bubble.bot li {
    color: #e2e2e2;
}

html.dark .cb-bubble.user,
html.dark .cb-bubble.user p,
html.dark .cb-bubble.user li {
    color: #e2e2e2;
}

html.dark .cb-intro-sub {
    color: #e2e2e2;
}

html.dark .cb-input::placeholder {
    color: #555;
}