/* Chatbot demo — inner components (page shell comes from projects.css) */

.chat-container {
    height: 600px;
    display: flex;
    flex-direction: column;
    background: var(--surface-inset);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.chat-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 9px;
    height: 9px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-glow);
    animation: pulse-dot 2s infinite;
}

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

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-thumb {
    border: none;
}

.message {
    display: flex;
    gap: 10px;
    animation: message-in 0.3s ease;
}

@keyframes message-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.message-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    flex-shrink: 0;
}

.bot-message {
    align-self: flex-start;
}

.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.user-message .message-avatar {
    background: var(--accent-soft);
    border-color: rgba(52, 211, 153, 0.3);
}

.message-content {
    max-width: 72%;
    padding: 11px 15px;
    border-radius: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.user-message .message-content {
    background: var(--accent-strong);
    border-color: transparent;
    color: #04120c;
    font-weight: 500;
}

.message-content p {
    margin: 0;
    line-height: 1.55;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 12px 20px;
    align-items: center;
}

.typing-indicator span {
    width: 7px;
    height: 7px;
    background: var(--accent);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

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

@keyframes typing {
    0%, 80%, 100% { transform: scale(1); opacity: 0.4; }
    40% { transform: scale(1.3); opacity: 1; }
}

/* Input row */
.chat-input-container {
    display: flex;
    gap: 10px;
    padding: 16px;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.chat-input {
    flex: 1;
    padding: 11px 18px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    outline: none;
    background: var(--surface-inset);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.chat-input::placeholder {
    color: var(--text-muted);
}

.chat-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.send-button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-strong);
    color: #04120c;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background var(--transition-fast), transform var(--transition-fast),
                box-shadow var(--transition-fast);
}

.send-button:hover {
    background: var(--accent);
    box-shadow: 0 4px 16px var(--accent-glow);
}

.send-button:active {
    transform: scale(0.94);
}

/* Responsive */
@media (max-width: 768px) {
    .chat-container {
        height: 500px;
    }

    .message-content {
        max-width: 85%;
    }
}

@media (max-width: 480px) {
    .chat-container {
        height: 450px;
    }

    .chat-messages {
        padding: 14px;
    }

    .chat-input-container {
        padding: 12px;
    }
}