/* Reset e variáveis CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Tema Claro */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --border-color: #dee2e6;
    --accent-color: #0d6efd;
    --accent-hover: #0b5ed7;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    /* Tema Escuro */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #404040;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-muted: #808080;
    --border-color: #404040;
    --accent-color: #4dabf7;
    --accent-hover: #339af0;
    --success-color: #51cf66;
    --danger-color: #ff6b6b;
    --warning-color: #ffd43b;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* Estilos base */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
}

.app-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    box-shadow: var(--shadow);
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-controls {
    display: flex;
    gap: 0.5rem;
}

/* Botões */
.btn-icon {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

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

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-danger:hover {
    background-color: #c82333;
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 300px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.chat-history {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.chat-history-item {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

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

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

.chat-history-item h4 {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.chat-history-item p {
    font-size: 0.8rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Welcome Message */
.welcome-message {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
}

.welcome-content {
    max-width: 400px;
}

.welcome-icon {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.welcome-content h2 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.welcome-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Message Bubbles */
.message {
    display: flex;
    gap: 1rem;
    max-width: 80%;
    animation: fadeIn 0.3s ease;
}

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

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background-color: var(--accent-color);
    color: white;
}

.message.assistant .message-avatar {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.message-content {
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    position: relative;
}

.message.user .message-content {
    background-color: var(--accent-color);
    color: white;
}

.message-text {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Input Container */
.input-container {
    padding: 1rem 2rem 2rem;
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

/* Image Preview */
.image-preview-container {
    margin-bottom: 10px;
}

.images-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.image-preview {
    position: relative;
    display: inline-block;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    flex-shrink: 0;
}

.image-preview img {
    max-width: 120px;
    max-height: 90px;
    display: block;
    object-fit: cover;
}

.clear-all-images-btn {
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.clear-all-images-btn:hover {
    background: var(--danger-hover);
}

.remove-image-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(255, 0, 0, 0.8);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: background 0.3s ease;
}

.remove-image-btn:hover {
    background: rgba(255, 0, 0, 1);
}

.input-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 0.5rem;
    transition: var(--transition);
}

.input-wrapper:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

#message-input {
    flex: 1;
    border: none;
    background: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    resize: none;
    outline: none;
    min-height: 20px;
    max-height: 100px;
    font-family: inherit;
    line-height: 1.4;
}

#message-input::placeholder {
    color: var(--text-muted);
}

.input-buttons {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.btn-image {
    background-color: var(--text-secondary);
    color: white;
    border: none;
    padding: 0.4rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-size: 0.85rem;
}

.btn-image:hover:not(:disabled) {
    background-color: var(--accent-color);
    transform: scale(1.1);
}

.btn-image:disabled {
    background-color: var(--text-muted);
    cursor: not-allowed;
}

.btn-send {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0.4rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-size: 0.85rem;
}

.btn-send:hover:not(:disabled) {
    background-color: var(--accent-hover);
    transform: scale(1.1);
}

.btn-send:disabled {
    background-color: var(--text-muted);
    cursor: not-allowed;
}

.input-info {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    animation: slideIn 0.3s ease;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.modal-body {
    padding: 1.5rem;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.settings-file-controls {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-main-controls {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.server-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--success-color), #27ae60);
    color: white;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.server-info i {
    font-size: 1.2rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon input {
    padding-right: 3rem;
}

.input-with-icon .btn-icon {
    position: absolute;
    right: 0.5rem;
    border: none;
    background: none;
}

/* Range Input */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* History */
.history-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.history-list {
    max-height: 400px;
    overflow-y: auto;
}

.history-item {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    background-color: var(--bg-secondary);
}

.history-item h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.history-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.history-item-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Loading */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    animation: slideInRight 0.3s ease;
}

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

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

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

.toast-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.toast-title {
    font-weight: 500;
    color: var(--text-primary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
}

.toast-message {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }
    
    .sidebar {
        width: 250px;
    }
    
    .chat-messages {
        padding: 1rem;
    }
    
    .input-container {
        padding: 1rem;
    }
    
    .message {
        max-width: 95%;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .history-controls {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .main-content {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .header-controls {
        width: 100%;
        justify-content: center;
    }
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Code Blocks */
.message-content pre {
    background-color: var(--bg-tertiary);
    padding: 1rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 0.5rem 0;
}

.message-content code {
    background-color: var(--bg-tertiary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

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

/* Status Indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-indicator.connected {
    background-color: rgba(25, 135, 84, 0.1);
    color: var(--success-color);
}

.status-indicator.disconnected {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

.status-indicator.loading {
    background-color: rgba(255, 193, 7, 0.1);
    color: var(--warning-color);
}

/* Imagens nas mensagens */
.message-image {
    margin: 10px 0;
    border-radius: 8px;
    overflow: hidden;
    max-width: 300px;
}

.message-image img {
    width: 100%;
    height: auto;
    display: block;
    cursor: pointer;
    transition: transform 0.2s ease;
    border-radius: 8px;
}

.message-image img:hover {
    transform: scale(1.02);
}

.message-image img.expanded {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1000;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    cursor: zoom-out;
}

.message-image img.expanded::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 999;
}