/* Estilos específicos para mensagens de chat */

.message {
    margin-bottom: 24px;
    padding: 16px 20px;
    border-radius: 16px;
    max-width: 85%;
    animation: fadeIn 0.3s ease-out;
    line-height: 1.6;
}

.message.user {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.message.assistant {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}

.message.streaming {
    position: relative;
}

.message.streaming::after {
    content: '▋';
    animation: blink 1s infinite;
    margin-left: 2px;
    color: var(--accent);
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Markdown Styling */
.message.assistant h1,
.message.assistant h2,
.message.assistant h3 {
    margin-top: 16px;
    margin-bottom: 8px;
}

.message.assistant h1 {
    font-size: 1.5rem;
}

.message.assistant h2 {
    font-size: 1.3rem;
}

.message.assistant h3 {
    font-size: 1.1rem;
}

.message.assistant p {
    margin-bottom: 12px;
}

.message.assistant ul,
.message.assistant ol {
    margin-left: 20px;
    margin-bottom: 12px;
}

.message.assistant li {
    margin-bottom: 6px;
}

.message.assistant code {
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--accent-light);
}

.message.assistant pre {
    background: var(--bg-primary);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 12px 0;
    border: 1px solid var(--border);
}

.message.assistant pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}

.message.assistant blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 16px;
    margin: 12px 0;
    color: var(--text-secondary);
    font-style: italic;
}

.message.assistant a {
    color: var(--accent-light);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.message.assistant a:hover {
    border-bottom-color: var(--accent-light);
}

.message.assistant table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
}

.message.assistant table th,
.message.assistant table td {
    border: 1px solid var(--border);
    padding: 8px 12px;
    text-align: left;
}

.message.assistant table th {
    background: var(--bg-primary);
    font-weight: 600;
}

.message.assistant hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 20px 0;
}

/* Histórico de Chat */
.chat-item {
    padding: 10px 12px;
    margin-bottom: 6px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.chat-item.active {
    background: var(--accent);
    color: white;
}

/* Loading Animation */
.loading-dots {
    display: inline-flex;
    gap: 4px;
}

.loading-dots span {
    width: 6px;
    height: 6px;
    background: var(--text-secondary);
    border-radius: 50%;
    animation: loadingBounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes loadingBounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

/* Message Actions */
.message-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    opacity: 0;
    transition: opacity 0.2s;
}

.message:hover .message-actions {
    opacity: 1;
}

.message-action {
    padding: 4px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.message-action:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}