/* ==========================================================================
   Módulo de Informes y Reportes — ERP Fundación Red
   Inspirado en Notion y Monday.com
   ========================================================================== */

.reports-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 1.5rem;
    overflow-x: hidden;
}

/* Tabs / Sub-navegación */
.reports-tabs {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    overflow-x: auto;
    flex-shrink: 0;
}

.report-tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
    border-radius: var(--border-radius-sm);
}

.report-tab-btn:hover {
    color: var(--color-primary);
    background: var(--color-primary-bg);
}

.report-tab-btn.active {
    color: var(--color-primary);
}

.report-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px 2px 0 0;
}

/* ─────────────────────────────────────────────────────────
   Dashboard View
────────────────────────────────────────────────────────── */
.reports-dashboard {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.report-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.report-kpi-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.report-kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.report-kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.report-kpi-icon.primary { background: var(--color-primary-bg); color: var(--color-primary); }
.report-kpi-icon.success { background: var(--color-success-bg); color: var(--color-success); }
.report-kpi-icon.warning { background: var(--color-warning-bg); color: var(--color-warning); }
.report-kpi-icon.info    { background: var(--color-info-bg);    color: var(--color-info); }

.report-kpi-info h4 {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.report-kpi-info .kpi-val {
    margin: 0.25rem 0 0 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ─────────────────────────────────────────────────────────
   Constructor View (Drag & Drop)
────────────────────────────────────────────────────────── */
.reports-constructor {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .reports-constructor {
        grid-template-columns: 1fr;
    }
}

.builder-sidebar {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 1.5rem;
}

.builder-group {
    margin-bottom: 1.5rem;
}

.builder-group h4 {
    margin: 0 0 0.75rem 0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.builder-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    margin-bottom: 0.5rem;
    cursor: grab;
    transition: border-color var(--transition-fast);
}

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

.builder-item.active {
    border-left: 3px solid var(--color-primary);
    background: var(--color-primary-bg);
}

.builder-item-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Canvas del informe en construcción */
.builder-canvas {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    min-height: 500px;
}

.canvas-header {
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.canvas-header input[type="text"] {
    width: 100%;
    font-size: 1.75rem;
    font-weight: 700;
    border: none;
    border-bottom: 1px dashed var(--border-color);
    padding: 0.5rem 0;
    background: transparent;
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast);
}

.canvas-header input[type="text"]:focus {
    border-bottom-color: var(--color-primary);
}

.canvas-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.canvas-section {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--bg-body);
    position: relative;
}

.canvas-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    cursor: grab;
}

.canvas-section-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.canvas-section-actions button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
}
.canvas-section-actions button:hover {
    color: var(--color-danger);
}

/* Textareas custom */
.custom-textarea {
    width: 100%;
    min-height: 100px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    background: var(--bg-surface);
    color: var(--text-primary);
    resize: vertical;
}

/* ─────────────────────────────────────────────────────────
   Preview View (Modo lectura)
────────────────────────────────────────────────────────── */
.report-preview-container {
    background: #FFFFFF; /* Siempre blanco para el PDF */
    color: #1A1A2E; /* Siempre oscuro para lectura */
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
}

.report-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.report-preview-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.report-preview-logo img {
    height: 50px;
    width: auto;
}

.report-preview-meta {
    text-align: right;
    font-size: 0.85rem;
    color: #64748B;
}

.report-preview-title {
    font-size: 2rem;
    color: var(--color-primary-dark);
    margin: 0 0 0.5rem 0;
}

.report-preview-section {
    margin-bottom: 2rem;
}

.report-preview-section h3 {
    font-size: 1.25rem;
    color: var(--color-primary);
    border-bottom: 1px solid #E8ECF0;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

/* Layouts internos del preview */
.preview-kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.preview-kpi-box {
    background: #F8F9FB;
    border: 1px solid #E8ECF0;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}
.preview-kpi-box .val {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
    display: block;
}
.preview-kpi-box .lbl {
    font-size: 0.8rem;
    color: #64748B;
    text-transform: uppercase;
}

.preview-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.preview-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.preview-table th, .preview-table td {
    padding: 0.5rem;
    border-bottom: 1px solid #E8ECF0;
    text-align: left;
}
.preview-table th {
    background: #F8F9FB;
    font-weight: 600;
    color: #1A1A2E;
}

/* Textos renderizados */
.preview-text {
    line-height: 1.6;
    color: #1A1A2E;
    white-space: pre-line;
}

/* ─────────────────────────────────────────────────────────
   Plantillas View
────────────────────────────────────────────────────────── */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.template-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.template-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.template-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.template-icon {
    font-size: 2rem;
    background: var(--bg-body);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
}

.template-badge {
    background: var(--color-primary-bg);
    color: var(--color-primary);
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}

.template-card h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.template-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-grow: 1;
}

.template-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

.btn-use-template {
    flex-grow: 1;
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 500;
}
.btn-use-template:hover {
    background: var(--color-primary-dark);
}

/* Modales */
.report-modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.report-modal-content {
    background: var(--bg-surface);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
}

/* Loading overlay para PDF */
.pdf-loading-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255,255,255,0.9);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--color-primary);
}
.spinner {
    width: 40px; height: 40px;
    border: 4px solid var(--color-primary-bg);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }