/* Variáveis CSS para temas claro e escuro */
:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --background-color: #1f2937;
    --text-color: #e5e7eb;
    --border-color: #4b5563;
    --error-color: #dc2626;
    --success-color: #16a34a;
    --warning-color: #d97706;
    --message-bg-user: #374151;
    --message-bg-assistant: #4b5563;
    --message-bg-system: #6b7280;
    --input-bg: #374151;
    --sidebar-bg: #111827;
    --button-bg: #2563eb;
    --button-text: #ffffff;
    --button-hover-bg: #1d4ed8;
    --panel-bg: #1a2332;
    --modal-bg: rgba(0, 0, 0, 0.5);
}

.light-mode {
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --background-color: #ffffff;
    --text-color: #1f2937;
    --border-color: #d1d5db;
    --error-color: #ef4444;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --message-bg-user: #e5e7eb;
    --message-bg-assistant: #f3f4f6;
    --message-bg-system: #d1d5db;
    --input-bg: #f9fafb;
    --sidebar-bg: #f3f4f6;
    --button-bg: #3b82f6;
    --button-text: #ffffff;
    --button-hover-bg: #2563eb;
    --panel-bg: #f8fafc;
    --modal-bg: rgba(0, 0, 0, 0.5);
}

/* Estilos gerais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Sidebar */
.sidebar {
    width: 350px;
    background-color: var(--sidebar-bg);
    padding: 20px;
    overflow-y: auto;
    position: fixed;
    top: 0;
    bottom: 0;
    left: -350px;
    transition: left 0.3s ease;
    z-index: 1000;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar.active {
    left: 0;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.logo-icon {
    font-size: 24px;
    color: var(--primary-color);
}

.logo-text {
    font-size: 20px;
    font-weight: bold;
}

.api-config {
    margin-bottom: 20px;
    background-color: var(--panel-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.api-config-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

/* Botões de seleção de API */
.api-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
    border: none; /* tira a linha em baixo */
}

.api-tab {
    flex: 1 1 calc(50% - 10px); /* 2 em cima, 2 em baixo */
    padding: 12px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    cursor: pointer;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.api-tab:hover {
    background-color: var(--border-color);
}

.api-tab.active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}


.api-tab.active {
    border-bottom-color: var(--primary-color);
    color: var(--primary-color);
}

.api-panel {
    display: none;
}

.api-panel.active {
    display: block;
}

.api-input-group {
    margin-bottom: 15px;
}

.api-input-group label {
    display: block;
    font-size: 14px;
    margin-bottom: 5px;
    font-weight: 500;
}

.password-container {
    position: relative;
}

.api-input {
    width: 100%;
    padding: 10px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    transition: border-color 0.2s;
}

.api-input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
}

.save-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.save-btn:hover {
    background-color: var(--button-hover-bg);
}

.error-message {
    color: var(--error-color);
    font-size: 12px;
    margin-top: 5px;
    display: block;
}

.success-message {
    color: var(--success-color);
    font-size: 12px;
    margin-top: 5px;
    display: block;
}

.deepseek-free-container {
    margin-bottom: 20px;
}

.deepseek-free-btn {
    display: block;
    text-align: center;
    padding: 12px;
    background-color: var(--button-bg);
    color: var(--button-text);
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.deepseek-free-btn:hover {
    background-color: var(--button-hover-bg);
}

.other-chats-container {
    margin-bottom: 20px;
}

.other-chats-list {
    list-style: none;
    padding: 0;
}

.other-chats-list li {
    margin-bottom: 5px;
}

.other-chats-list a {
    display: block;
    padding: 10px;
    background-color: var(--input-bg);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.other-chats-list a:hover {
    background-color: var(--border-color);
}

.model-selector {
    margin-bottom: 20px;
}

#ai-model {
    width: 100%;
    padding: 12px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 14px;
}

.upload-section {
    margin-bottom: 20px;
}

.section-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    padding: 25px;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.05);
}

.upload-icon {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.upload-text {
    font-size: 14px;
    margin-bottom: 5px;
    font-weight: 500;
}

.upload-hint {
    font-size: 12px;
    color: var(--text-color);
    opacity: 0.7;
}

#file-input {
    display: none;
}

.file-list {
    margin-top: 10px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 8px;
    background-color: var(--input-bg);
    transition: border-color 0.2s;
}

.file-item:hover {
    border-color: var(--primary-color);
}

.file-name {
    flex-grow: 1;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-remove {
    cursor: pointer;
    color: var(--error-color);
    padding: 5px;
    border-radius: 3px;
    transition: background-color 0.2s;
}

.file-remove:hover {
    background-color: rgba(220, 38, 38, 0.1);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s;
}

.chat-history {
    margin-bottom: 20px;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.header-btn {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 16px;
    padding: 5px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.header-btn:hover {
    background-color: var(--input-bg);
}

#history-search {
    width: 100%;
    padding: 12px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    margin-bottom: 10px;
    font-size: 14px;
}

.history-list {
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.history-item:hover, .history-item.active {
    background-color: var(--input-bg);
    border-color: var(--primary-color);
}

.history-item-content {
    flex-grow: 1;
    font-size: 14px;
}

.history-item-delete {
    color: var(--error-color);
    cursor: pointer;
    padding: 5px;
    border-radius: 3px;
    transition: background-color 0.2s;
}

.history-item-delete:hover {
    background-color: rgba(220, 38, 38, 0.1);
}

.empty-history {
    font-size: 14px;
    color: var(--text-color);
    opacity: 0.7;
    text-align: center;
    padding: 20px;
}

/* Logs de Erro */
.error-logs {
    margin-bottom: 20px;
    background-color: var(--panel-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.error-log-content {
    max-height: 150px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    background-color: var(--input-bg);
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.error-log-item {
    padding: 5px 0;
    border-bottom: 1px solid var(--border-color);
}

.error-log-item:last-child {
    border-bottom: none;
}

.error-log-time {
    color: var(--warning-color);
    font-weight: bold;
}

.error-log-message {
    color: var(--error-color);
}

/* Conteúdo Principal */
.main-content {
    flex-grow: 1;
    margin-left: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s ease;
    position: relative;
}

@media (min-width: 1024px) {
    .sidebar {
        left: 0;
    }
    .main-content {
        margin-left: 350px;
    }
    .mobile-menu-btn {
        display: none;
    }
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.mobile-menu-btn:hover {
    background-color: var(--input-bg);
}

.chat-title {
    font-size: 20px;
    font-weight: bold;
}

.chat-actions {
    display: flex;
    gap: 10px;
}

.theme-toggle, .chat-action-btn {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 16px;
    padding: 8px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.theme-toggle:hover, .chat-action-btn:hover {
    background-color: var(--input-bg);
}

.chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    margin-bottom: 20px;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--panel-bg);
    min-height: 400px;
    max-height: 60vh;
}

.message {
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 8px;
    animation: fadeIn 0.3s ease-in-out;
}

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

.message-header {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    margin-bottom: 8px;
}

.message-sender {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: bold;
}

.message-time {
    opacity: 0.7;
    font-size: 11px;
}

.user-message {
    background-color: var(--message-bg-user);
    border-left: 4px solid var(--primary-color);
}

.assistant-message {
    background-color: var(--message-bg-assistant);
    border-left: 4px solid var(--secondary-color);
}

.system-message {
    background-color: var(--message-bg-system);
    border-left: 4px solid var(--warning-color);
}

.message-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.msg-btn {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 14px;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.msg-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.code-block {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-top: 10px;
    overflow: hidden;
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.code-language {
    font-size: 12px;
    font-weight: bold;
    color: var(--text-color);
}

.copy-code-btn {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.copy-code-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.copy-code-btn.copied {
    color: var(--success-color);
}

.code-content {
    padding: 15px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-x: auto;
    line-height: 1.4;
}

.typing-indicator {
    display: none;
    padding: 15px;
    color: var(--text-color);
    opacity: 0.7;
    font-style: italic;
    background-color: var(--input-bg);
    border-radius: 8px;
    margin-bottom: 20px;
}

.typing-dots {
    display: flex;
    gap: 5px;
    margin-bottom: 8px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background-color: var(--text-color);
    border-radius: 50%;
    animation: blink 1.4s infinite both;
}

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

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

@keyframes blink {
    0% { opacity: 0.2; }
    20% { opacity: 1; }
    100% { opacity: 0.2; }
}

.input-area {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#user-input {
    width: 100%;
    padding: 15px;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    resize: vertical;
    min-height: 80px;
    max-height: 200px;
    transition: border-color 0.2s;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
}

#user-input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.input-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.input-action {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 16px;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.input-action:hover {
    background-color: var(--input-bg);
}

.input-actions label {
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

#send-file-content {
    cursor: pointer;
}

.char-count {
    font-size: 12px;
    color: var(--text-color);
    opacity: 0.7;
    margin-left: auto;
}

.char-count.error {
    color: var(--error-color);
    opacity: 1;
}

.send-btn {
    padding: 15px 25px;
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
}

.send-btn:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
    opacity: 0.6;
}

.send-btn:hover:not(:disabled) {
    background-color: var(--button-hover-bg);
    transform: translateY(-1px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-bg);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--background-color);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.close-modal:hover {
    background-color: var(--input-bg);
}

.modal-body {
    padding: 20px;
}

.setting-group {
    margin-bottom: 20px;
}

.setting-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.setting-group input[type="number"],
.setting-group input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--input-bg);
    color: var(--text-color);
}

.setting-group input[type="checkbox"] {
    margin-right: 8px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    text-align: right;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 3000;
    max-width: 400px;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--error-color);
}

.toast.warning {
    border-left: 4px solid var(--warning-color);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.success .toast-content i {
    color: var(--success-color);
}

.toast.error .toast-content i {
    color: var(--error-color);
}

.toast.warning .toast-content i {
    color: var(--warning-color);
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--input-bg);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Responsividade */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        left: -100%;
    }
    
    .main-content {
        padding: 15px;
    }
    
    .chat-messages {
        max-height: 50vh;
        padding: 15px;
    }
    
    .input-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .char-count {
        margin-left: 0;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
}

/* Animações adicionais */
@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}