/* ============================================
   URBot Avatar & Chat Bubble Styles
   ============================================ */

/* ---- Avatar Container ---- */
.bot-card-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--card-accent, var(--accent));
    padding: 4px;
    background: #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex-shrink: 0;
}

.bot-card-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.bot-card-avatar:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--card-shadow, rgba(37, 99, 235, 0.2));
}

/* ---- Chat Button ---- */
.bot-card-chat-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--card-accent, var(--accent));
    background: #fff;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
    z-index: 2;
    padding: 0;
    line-height: 1;
}

.bot-card-chat-btn:hover {
    background: var(--card-accent, var(--accent));
    transform: scale(1.1);
}

.bot-card-chat-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ---- Chat Bubble ---- */
.bot-card-bubble {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 12px);
    transform: translateX(-50%) translateY(8px);
    background: #fff;
    border: 2px solid var(--card-accent, var(--accent));
    border-radius: 12px;
    padding: 0.85rem 1rem;
    min-width: 220px;
    max-width: 280px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    z-index: 10;
}

.bot-card-bubble::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid var(--card-accent, var(--accent));
}

.bot-card-bubble.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.bubble-text {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text, #1a1a2e);
    text-align: center;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .bot-card-bubble {
        position: relative;
        left: 0;
        bottom: auto;
        transform: none;
        min-width: 0;
        max-width: 100%;
        margin-top: 0.5rem;
    }

    .bot-card-bubble.visible {
        transform: none;
    }

    .bot-card-bubble::after {
        display: none;
    }

    .bot-card-avatar {
        width: 64px;
        height: 64px;
    }
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
    .bot-card-avatar,
    .bot-card-chat-btn,
    .bot-card-bubble {
        transition: none;
    }

    .bot-card-avatar:hover {
        transform: none;
    }
}