/* ============================================
   Chat Interface Styles
   Стили для чат-интерфейса
   ============================================ */

/* === Chat Container === */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: white;
}

/* === Chat Messages === */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

/* Кастомный скроллбар */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* === Chat Message === */
.chat-message {
    display: flex;
    gap: var(--spacing-3);
    animation: messageSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message.user {
    flex-direction: row-reverse;
}

/* === Message Avatar === */
.message-avatar {
    flex-shrink: 0;
    width: 36px;
    height: 36px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: var(--gradient-primary);
    color: white;

    font-size: var(--text-sm);
    font-weight: 700;
    border-radius: var(--radius-full);
}

.chat-message.user .message-avatar {
    background: var(--gray-600);
}

/* === Message Content === */
.message-content {
    flex: 1;
    max-width: 80%;
    padding: var(--spacing-4);

    background: var(--gray-50);
    border-radius: var(--radius-lg);

    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-900);
}

.chat-message.user .message-content {
    background: var(--primary-500);
    color: white;
}

.message-content p {
    margin: 0;
    color: inherit;
}

.message-content p+p {
    margin-top: var(--spacing-3);
}

/* Markdown стили в сообщениях */
.message-content code {
    padding: 2px 6px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
}

.message-content pre {
    padding: var(--spacing-3);
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-2) 0;
}

.message-content pre code {
    padding: 0;
    background: none;
}

.message-content strong {
    font-weight: 600;
}

.message-content em {
    font-style: italic;
}

/* === Message Timestamp === */
.message-timestamp {
    font-size: var(--text-xs);
    color: var(--gray-500);
    margin-top: var(--spacing-1);
}

.chat-message.user .message-timestamp {
    text-align: right;
    color: rgba(255, 255, 255, 0.7);
}

/* === System Messages === */
.chat-message.system .message-content {
    background: var(--info);
    color: white;
    text-align: center;
    font-size: var(--text-sm);
    padding: var(--spacing-2) var(--spacing-4);
}

.chat-message.error .message-content {
    background: var(--error);
    color: white;
}

.chat-message.success .message-content {
    background: var(--success);
    color: white;
}

/* === Typing Indicator === */
.typing-indicator {
    display: flex;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
}

.typing-indicator .message-avatar {
    background: var(--gradient-primary);
}

.typing-dots {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 50%;
    animation: typingDot 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingDot {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.7;
    }

    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* === Chat Input Container === */
.chat-input-container {
    padding: var(--spacing-4) var(--spacing-6);
    background: white;
    border-top: 1px solid var(--gray-200);
}

.chat-input-wrapper {
    position: relative;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
}

.chat-input-wrapper:focus-within {
    background: white;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* === Chat Input === */
.chat-input {
    width: 100%;
    min-height: 44px;
    max-height: 120px;
    padding: var(--spacing-3) var(--spacing-4);
    padding-right: 140px;
    /* Место для кнопок */

    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--gray-900);

    background: transparent;
    border: none;
    outline: none;
    resize: none;

    overflow-y: auto;
}

.chat-input::placeholder {
    color: var(--gray-400);
}

/* Кастомный скроллбар для textarea */
.chat-input::-webkit-scrollbar {
    width: 4px;
}

.chat-input::-webkit-scrollbar-track {
    background: transparent;
}

.chat-input::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

/* === Input Actions === */
.chat-input-actions {
    position: absolute;
    right: var(--spacing-2);
    bottom: var(--spacing-2);

    display: flex;
    gap: var(--spacing-1);
}

.input-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 36px;
    height: 36px;

    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--gray-600);
    cursor: pointer;

    transition: all var(--transition-fast);
}

.input-action-btn:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.input-action-btn:active {
    transform: scale(0.95);
}

.input-action-btn.send-btn {
    background: var(--gradient-primary);
    color: white;
}

.input-action-btn.send-btn:hover {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transform: scale(1.05);
}

.input-action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.input-action-btn:disabled:hover {
    background: transparent;
    transform: none;
}

/* === Voice Input Active State === */
.input-action-btn.recording {
    background: var(--error);
    color: white;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }
}

/* === File Upload Preview === */
.file-preview {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    margin-bottom: var(--spacing-2);

    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
}

.file-preview-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: var(--primary-100);
    color: var(--primary-600);
    border-radius: var(--radius-md);
}

.file-preview-info {
    flex: 1;
    min-width: 0;
}

.file-preview-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-preview-size {
    font-size: var(--text-xs);
    color: var(--gray-500);
}

.file-preview-remove {
    flex-shrink: 0;
    width: 24px;
    height: 24px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--gray-500);
    cursor: pointer;

    transition: all var(--transition-fast);
}

.file-preview-remove:hover {
    background: var(--error);
    color: white;
}

/* === Quick Commands === */
.quick-commands {
    display: flex;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-6);
    overflow-x: auto;
    border-bottom: 1px solid var(--gray-200);
}

.quick-commands::-webkit-scrollbar {
    height: 4px;
}

.quick-commands::-webkit-scrollbar-track {
    background: var(--gray-100);
}

.quick-commands::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

.quick-command-btn {
    flex-shrink: 0;
    padding: var(--spacing-2) var(--spacing-4);

    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);

    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;

    transition: all var(--transition-fast);
    white-space: nowrap;
}

.quick-command-btn:hover {
    background: var(--primary-50);
    border-color: var(--primary-300);
    color: var(--primary-700);
}

.quick-command-btn:active {
    transform: scale(0.95);
}

/* === Message Actions === */
.message-actions {
    display: flex;
    gap: var(--spacing-2);
    margin-top: var(--spacing-2);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

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

.message-action-btn {
    padding: var(--spacing-1) var(--spacing-2);

    background: rgba(0, 0, 0, 0.05);
    border: none;
    border-radius: var(--radius-sm);

    font-size: var(--text-xs);
    color: var(--gray-600);
    cursor: pointer;

    transition: all var(--transition-fast);
}

.message-action-btn:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--gray-900);
}

/* === Code Block in Messages === */
.message-content .code-block {
    position: relative;
    margin: var(--spacing-3) 0;
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-3);
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.code-block-language {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    opacity: 0.7;
}

.code-block-copy {
    padding: var(--spacing-1) var(--spacing-2);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-sm);
    color: inherit;
    font-size: var(--text-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.code-block-copy:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* === Empty State === */
.chat-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: var(--spacing-8);
    text-align: center;
}

.chat-empty-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-4);
    opacity: 0.3;
}

.chat-empty-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.chat-empty-description {
    font-size: var(--text-base);
    color: var(--gray-500);
    max-width: 300px;
}

/* === Responsive === */
@media (max-width: 768px) {
    .chat-messages {
        padding: var(--spacing-4);
    }

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

    .chat-input-container {
        padding: var(--spacing-3) var(--spacing-4);
    }

    .quick-commands {
        padding: var(--spacing-3) var(--spacing-4);
    }
}

/* === Dark Mode === */
@media (prefers-color-scheme: dark) {
    .chat-container {
        background: var(--gray-900);
    }

    .chat-messages::-webkit-scrollbar-track {
        background: var(--gray-800);
    }

    .chat-messages::-webkit-scrollbar-thumb {
        background: var(--gray-600);
    }

    .message-content {
        background: var(--gray-800);
        color: var(--gray-100);
    }

    .chat-input-wrapper {
        background: var(--gray-800);
        border-color: var(--gray-700);
    }

    .chat-input-wrapper:focus-within {
        background: var(--gray-700);
    }

    .chat-input {
        color: var(--gray-100);
    }

    .chat-input::placeholder {
        color: var(--gray-500);
    }

    .input-action-btn {
        color: var(--gray-400);
    }

    .input-action-btn:hover {
        background: var(--gray-700);
        color: var(--gray-100);
    }
}