/* Variables de Tema */
:root {
    --bg-color: #f4f6f8;
    --text-color: #333;
    --header-bg: #ffffff;
    --header-border: #e2e8f0;
    --header-text: #4a5568;
    --input-bg: #ffffff;
    --input-border: #cbd5e0;
    --input-text: #4a5568;
    --modal-bg: #ffffff;
    --modal-text: #2d3748;
}

[data-theme="dark"] {
    --bg-color: #1a202c;
    --text-color: #e2e8f0;
    --header-bg: #2d3748;
    --header-border: #4a5568;
    --header-text: #e2e8f0;
    --input-bg: #4a5568;
    --input-border: #718096;
    --input-text: #e2e8f0;
    --modal-bg: #2d3748;
    --modal-text: #e2e8f0;

    /* n8n Chat Dark Mode Overrides */
    --chat--body--background: #2d3748;
    --chat--footer--background: #2d3748;
    --chat--header--background: #1a202c;
    --chat--header--color: #e2e8f0;
    --chat--input--background: #4a5568;
    --chat--input--text-color: #e2e8f0;
    --chat--message--user--background: #4299e1;
    --chat--message--user--color: #ffffff;
    --chat--message--bot--background: #4a5568;
    --chat--message--bot--color: #e2e8f0;
}

/* Form.io Dark Mode Support */
/* Necesario para cubrir los estilos base de Form.io (Bootstrap 4) que no tienen modo oscuro nativo */
[data-theme="dark"] .form-control,
[data-theme="dark"] .formio-component select,
[data-theme="dark"] .formio-component input,
[data-theme="dark"] .formio-component textarea {
    background-color: var(--input-bg) !important;
    border-color: var(--input-border) !important;
    color: var(--input-text) !important;
}

[data-theme="dark"] .col-form-label,
[data-theme="dark"] label {
    color: var(--text-color);
}

[data-theme="dark"] .card {
    background-color: var(--header-bg);
    border-color: var(--header-border);
}

[data-theme="dark"] .card-header {
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom-color: var(--header-border);
    color: var(--text-color);
}

[data-theme="dark"] .form-text,
[data-theme="dark"] .text-muted {
    color: #a0aec0 !important;
}

/* Fix para selectores de Form.io */
[data-theme="dark"] .choices__inner {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--input-text);
}

[data-theme="dark"] .choices__list--dropdown {
    background-color: var(--input-bg);
    border-color: var(--input-border);
}

[data-theme="dark"] .choices__item--choice {
    color: var(--input-text);
}

[data-theme="dark"] .choices__list--dropdown .choices__item--selectable.is-highlighted {
    background-color: var(--header-bg);
    color: var(--text-color);
}

/* Estilos Globales */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 0;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

/* Loader */
#app-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: sans-serif;
    font-size: 1.2rem;
    color: var(--text-color);
}

/* Header / Barra Superior */
.app-header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    transition: background-color 0.3s, border-color 0.3s;
}

.app-header-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.app-header-label {
    font-weight: 600;
    color: var(--header-text);
    margin-bottom: 0;
    font-size: 0.95rem;
}

.app-header-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--header-border);
    border-radius: 0.375rem;
    background-color: var(--input-bg);
    color: var(--input-text);
    min-width: 250px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, background-color 0.3s, color 0.3s;
}

.app-header-select:focus {
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.app-header-select.theme-select {
    min-width: 120px;
}

.app-header-separator {
    width: 1px;
    height: 24px;
    background: var(--header-border);
    margin: 0 1rem;
}

@media (max-width: 768px) {
    .app-header {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .app-header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        width: 100%;
    }

    .app-header-separator {
        display: none;
    }

    .app-header-select {
        width: 100%;
        min-width: auto;
    }

    .app-header-select.theme-select {
        width: 100%;
        min-width: auto;
    }

    .app-header-label[for="theme-selector"] {
        margin-top: 0.5rem;
    }
}

/* Contenedor Principal */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    animation: fadeIn 0.3s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.modal-content {
    background: white;
    padding: 0;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transform: translateY(20px);
    animation: slideUp 0.3s forwards;
}

@keyframes slideUp {
    to {
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    margin: 0;
    font-size: 1.25rem;
    color: #2d3748;
    font-weight: 600;
}

.close-button {
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: #a0aec0;
    transition: color 0.2s;
}

.close-button:hover {
    color: #4a5568;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex-grow: 1;
}

#submission-data {
    background: #1a202c;
    color: #a0aec0;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: flex-end;
    background-color: #f7fafc;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
}

.modal-btn {
    background-color: #4299e1;
    color: white;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.modal-btn:hover {
    background-color: #3182ce;
}