/* ========================================
   NAV GROUPS (agrupación de categorías)
   ======================================== */
.nav-group {
    margin-bottom: 1.5rem;
}
.nav-group-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: #a5b4fc;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0.5rem 1rem 0.5rem 1rem;
    padding-top: 0.5rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
/* ========================================
   LIKERT DASHBOARD - 3 Column Layout
   Optimizado para monitores grandes
   ======================================== */

:root {
    --nav-width: 130px;
    --options-width: 350px;
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #64748b;
    --primary-color: var(--primary);
    --secondary-color: var(--secondary);
    --success-color: #10b981;
    --danger-color: #ef4444;
    --nav-bg: #ffffff;
    --nav-text: #64748b;
    --nav-hover: #f8fafc;
    --nav-active: #3b82f6;
    --main-bg: #f8fafc;
    --panel-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-color: #0f172a;
    --text-muted: #64748b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--main-bg);
    color: var(--text-color);
    line-height: 1.6;
    overflow: hidden;
    padding-top: 50px;
}

html.embed-mode body {
    padding-top: 0;
}

html.embed-mode .recuedu-topbar {
    display: none;
}

html.embed-mode .app-header {
    display: none;
}

html.embed-mode .dashboard-layout {
    height: 100vh;
}

html.embed-mode.storage-only #panel-data {
    display: none !important;
}

html.embed-mode .language-selector {
    display: none;
}

.app-header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 50px;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* ========================================
   DASHBOARD LAYOUT - 3 COLUMNAS
   ======================================== */

.dashboard-layout {
    display: grid;
    grid-template-columns: var(--nav-width) var(--options-width) 1fr;
    height: calc(100vh - 162px);
    overflow: hidden;
}

/* ========================================
   COLUMNA 1: NAVEGACIÓN (Izquierda)
   ======================================== */

.nav-sidebar {
    background: var(--nav-bg);
    color: var(--nav-text);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    box-shadow: none;
    z-index: 100;
}

.nav-header {
    padding: 0.75rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
    background: #ffffff;
}

.nav-header h1 {
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.language-selector {
    width: 100%;
    padding: 0.45rem 0.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    background-color: #ffffff;
    color: var(--text-color);
    font-size: 0.875rem;
}

.nav-header > div {
    display: grid !important;
    grid-template-columns: 1fr auto;
    align-items: center !important;
    gap: 0.35rem !important;
}

.language-selector option {
    background-color: #ffffff;
    color: var(--text-color);
}

/* Menú de navegación */
.nav-menu {
    flex: 1;
    padding: 0.65rem 0.35rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-item {
    width: auto;
    padding: 0.75rem 0.45rem;
    background: none;
    border: none;
    color: var(--nav-text);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    transition: all 0.2s ease;
    border-left: none;
    border-radius: 0.5rem;
    margin: 0;
}

.nav-item:hover {
    background-color: var(--nav-hover);
    color: var(--primary-color);
}

.nav-item.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.nav-icon {
    font-size: 1.25rem;
    width: auto;
    text-align: center;
}

.nav-label {
    font-weight: 500;
    font-size: 0.78rem;
}

/* Footer de navegación */
.nav-footer {
    padding: 0.75rem 0.35rem;
    border-top: 1px solid var(--border-color);
}

.status-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
}

.status-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: var(--text-muted);
    animation: pulse 2s infinite;
}

.status-dot.active {
    background-color: var(--success-color);
}

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

/* ========================================
   COLUMNA 2: ÁREA DE GRÁFICO (Centro)
   ======================================== */

.chart-main {
    display: flex;
    flex-direction: column;
    background-color: var(--main-bg);
    overflow: hidden;
}

.chart-header {
    padding: 1rem 1.5rem;
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: none;
    z-index: 10;
}

.chart-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.chart-actions {
    display: flex;
    gap: 0.5rem;
}

.icon-btn {
    width: 2.25rem;
    height: 2.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    color: var(--primary-color);
    background-color: #f8fafc;
    border-color: var(--primary-color);
}

.icon-btn i {
    font-size: 1rem;
}

.chart-container {
    flex: 1;
    padding: 2rem;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.placeholder-icon {
    width: 5rem;
    height: 5rem;
    color: var(--text-muted);
    opacity: 0.4;
    margin-bottom: 1rem;
}

.chart-placeholder p {
    font-size: 1.125rem;
    max-width: 400px;
}

.chart-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#chart-canvas {
    max-width: 100%;
    max-height: 100%;
    box-shadow: var(--shadow-lg);
    border-radius: 0.5rem;
}

.hidden {
    display: none !important;
}

/* ========================================
   COLUMNA 3: PANEL DE OPCIONES (Derecha)
   ======================================== */

.options-sidebar {
    background-color: white;
    border-left: 1px solid var(--border-color);
    overflow-y: auto;
    box-shadow: var(--shadow-md);
}

.options-panel {
    display: none;
    padding: 1.5rem;
    animation: fadeIn 0.3s ease;
}

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

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

.options-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.layout-subnav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.layout-tab {
    padding: 0.45rem 0.65rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: #f8fafc;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.layout-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: #eff6ff;
}

.layout-tab.active {
    border-color: var(--primary-color);
    background: #dbeafe;
    color: #1d4ed8;
}

.layout-section {
    display: none;
}

.layout-section.active {
    display: block;
}

/* ========================================
   GRUPOS DE OPCIONES
   ======================================== */

.option-group {
    margin-bottom: 1.25rem;
}

.option-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.help-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
    line-height: 1.4;
}

.text-muted {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ========================================
   INPUTS
   ======================================== */

.select-input,
.number-input,
.text-input,
.file-input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    background-color: white;
    font-size: 0.875rem;
    color: var(--text-color);
    transition: all 0.2s ease;
}

.select-input:focus,
.number-input:focus,
.text-input:focus,
.file-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.text-input-sm {
    padding: 0.5rem 0.625rem;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

/* Color input group */
.color-input-group {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: 0.5rem;
    align-items: center;
}

.color-input {
    width: 100%;
    height: 2.5rem;
    padding: 0.25rem;
    border-radius: 0.375rem;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.color-input::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-input::-webkit-color-swatch {
    border: none;
    border-radius: 0.25rem;
}

/* Checkbox labels */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-color);
}

.checkbox-label input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* ========================================
   BOTONES
   ======================================== */

.btn {
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    white-space: nowrap;
}

.btn-outline {
    background: white;
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-primary {
    padding: 0.625rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: none;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-block {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    background-color: var(--panel-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-sm:hover {
    background-color: var(--main-bg);
    border-color: var(--primary-color);
}

/* ========================================
   FILTROS
   ======================================== */

.filter-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

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

.filter-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.filter-item label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.filter-item input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
    accent-color: var(--primary-color);
}

/* ========================================
   DATA PREVIEW
   ======================================== */

.data-preview {
    padding: 1rem;
    background-color: var(--main-bg);
    border-radius: 0.375rem;
    border: 1px solid var(--border-color);
    max-height: 300px;
    overflow-y: auto;
    font-size: 0.75rem;
    font-family: 'Courier New', monospace;
}

.data-preview table {
    width: 100%;
    border-collapse: collapse;
}

.data-preview th,
.data-preview td {
    padding: 0.25rem 0.5rem;
    text-align: left;
    border: 1px solid var(--border-color);
}

.data-preview th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */

.nav-menu::-webkit-scrollbar,
.options-sidebar::-webkit-scrollbar,
.chart-container::-webkit-scrollbar,
.filter-list::-webkit-scrollbar,
.data-preview::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.nav-menu::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.nav-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.nav-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.options-sidebar::-webkit-scrollbar-track,
.chart-container::-webkit-scrollbar-track,
.filter-list::-webkit-scrollbar-track,
.data-preview::-webkit-scrollbar-track {
    background: var(--main-bg);
}

.options-sidebar::-webkit-scrollbar-thumb,
.chart-container::-webkit-scrollbar-thumb,
.filter-list::-webkit-scrollbar-thumb,
.data-preview::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.options-sidebar::-webkit-scrollbar-thumb:hover,
.chart-container::-webkit-scrollbar-thumb:hover,
.filter-list::-webkit-scrollbar-thumb:hover,
.data-preview::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ========================================
   RESPONSIVE (Para tablets)
   ======================================== */

@media (max-width: 1200px) {
    .dashboard-layout {
        grid-template-columns: 180px 1fr 280px;
    }
    
    :root {
        --nav-width: 180px;
        --options-width: 280px;
    }
}

@media (max-width: 992px) {
    .dashboard-layout {
        grid-template-columns: 60px 1fr 260px;
    }
    
    .nav-label {
        display: none;
    }
    
    .nav-item {
        justify-content: center;
        padding: 1rem 0.5rem;
    }
}

/* Layout fix: opciones al centro, grafico a la derecha */
.options-sidebar { order: 2; }
.chart-main { order: 3; }