:root {
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --background-color: #ffffff;
    --chat-background: #f8fafc;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
    --message-background: #ffffff;
    --code-background: #1e293b;
    --success-color: #10b981;
    --error-color: #ef4444;
}

[data-theme="dark"] {
    --background-color: #0f172a;
    --chat-background: #1e293b;
    --text-color: #e2e8f0;
    --border-color: #334155;
    --message-background: #1e293b;
}

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

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
background-color: var(--background-color);
}

.app-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.header-controls {
    display: flex;
    gap: 1rem;
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--chat-background);
    overflow: hidden;
}

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

.welcome-message {
    background-color: var(--message-background);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.chat-message {
    margin-bottom: 1.5rem;
    animation: fadeIn 0.3s ease-in-out;
}

.question, .answer {
    background-color: var(--message-background);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.question {
    border-left: 4px solid var(--primary-color);
}

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

.input-container {
    padding: 1rem 2rem;
    background-color: var(--background-color);
    border-top: 1px solid var(--border-color);
}

.question-form {
    max-width: 100%;
}

.input-wrapper {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background-color: var(--message-background);
}

textarea {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 0.5rem;
    resize: none;
    background-color: transparent;
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.5;
}

textarea:focus {
    outline: none;
}

.input-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    border-top: 1px solid var(--border-color);
}

.char-count {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.875rem;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    border: none;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

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

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

.btn.secondary {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

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

/* Estilos para el contenido markdown */
.markdown-body {
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.6;
}

.markdown-body pre {
    background-color: var(--code-background) !important;
    border-radius: 0.5rem;
    margin: 1rem 0;
    padding: 1rem;
    overflow-x: auto;
}

.markdown-body code {
    font-family: 'Fira Code', monospace;
    font-size: 0.875rem;
}

.markdown-body p {
    margin: 1rem 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3rem;
}

.markdown-body ul,
.markdown-body ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.markdown-body li {
    margin: 0.5rem 0;
}

.markdown-body blockquote {
    border-left: 4px solid var(--primary-color);
    margin: 1rem 0;
    padding: 0.5rem 1rem;
    color: var(--text-color);
    background-color: var(--chat-background);
}

.markdown-body table {
    border-collapse: collapse;
    width: 100%;
    margin: 1rem 0;
}

.markdown-body table th,
.markdown-body table td {
    border: 1px solid var(--border-color);
    padding: 0.5rem;
}

.markdown-body table th {
    background-color: var(--chat-background);
}

/* Estilos para el indicador de carga */
.loading-indicator {
    display: none;
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--message-background);
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    align-items: center;
    gap: 0.5rem;
    z-index: 1000;
}

.loader {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Estilos para mensajes de error */
.error-message {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background-color: var(--error-color);
    color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease-out;
    z-index: 1000;
}

.close-error {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem;
}

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

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    .app-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1rem;
    }

    .chat-messages {
        padding: 1rem;
    }

    .input-container {
        padding: 1rem;
    }

    .loading-indicator {
        bottom: 1rem;
        right: 1rem;
    }
}

/* Correcciones para modo oscuro */
[data-theme="dark"] .markdown-body {
    color: var(--text-color);
}

[data-theme="dark"] .markdown-body code:not([class*="language-"]) {
    background-color: rgba(255, 255, 255, 0.1);
}