/* Variables CSS para Temas */
:root {
    /* Tema Claro por defecto */
    --bg: #f4f7f6;
    --text: #2c3e50;
    --muted: #7f8c8d;
    --panel: #ffffff;
    --border: #ecf0f1;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --brand: #2ecc71; /* Esmeralda */
    --brand-2: #27ae60;
    --danger: #e74c3c;
    --primary: #3498db; /* Azul */
    --radius: 8px;
    --transition: 0.3s ease;
    --font-stack: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --top-category-bg: #f39c12; /* Naranja para resaltar */
}

/* Tema Oscuro */
.dark-mode {
    --bg: #1c2833;
    --text: #ecf0f1;
    --muted: #bdc3c7;
    --panel: #212f3d;
    --border: #2c3e50;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    --brand: #2ecc71;
    --brand-2: #27ae60;
    --danger: #c0392b;
    --primary: #3498db;
    --top-category-bg: #e67e22;
}

/* Base y Tipografía */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-stack);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background-color var(--transition), color var(--transition);
}

.hidden {
    display: none !important;
}

/* Estructura Principal */
.container {
    max-width: 1200px;
    margin: 20px auto 40px;
    padding: 0 15px;
    display: grid;
    gap: 20px;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .container {
        grid-template-columns: 1fr 1fr;
        grid-template-areas: 
            "branding branding"
            "form stats"
            "tpl table"
            "viz viz";
    }
    .branding-panel { grid-area: branding; }
    .form-panel { grid-area: form; }
    .stats-panel { grid-area: stats; }
    .tpl-panel { grid-area: tpl; }
    .table-panel { grid-area: table; }
    .viz-panel { grid-area: viz; }
}

/* Header */
.main-header {
    background-color: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    animation: slideInDown 0.5s ease-out;
}

.logo-area {
    display: flex;
    align-items: center;
}

.logo-placeholder {
    width: 40px;
    height: 40px;
    object-fit: contain;
    margin-right: 10px;
}

.header-text h1 {
    font-size: 1.8em;
    margin: 0;
    color: var(--brand);
}

.header-text .subtitle {
    font-size: 0.8em;
    color: var(--muted);
    margin-top: -3px;
}

.badge {
    background-color: var(--primary);
    color: var(--panel);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7em;
    font-weight: bold;
    margin-left: 10px;
    vertical-align: top;
    display: inline-block;
}

.controls-area {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Paneles y Tarjetas (Utilities) */
.panel {
    background-color: var(--panel);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.panel h2 {
    color: var(--brand-2);
    font-size: 1.4em;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 5px;
}

/* Botones (Utilities) */
.btn, .control-btn, .btn-sm, .btn-primary, .btn-secondary, .btn-danger, label.btn-secondary {
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-sm {
    padding: 6px 10px;
    font-size: 0.9em;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}
.btn-primary:hover {
    background-color: #2980b9;
}

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

.btn-brand {
    background-color: var(--brand);
    color: white;
}
.btn-brand:hover {
    background-color: var(--brand-2);
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}
.btn-danger:hover {
    background-color: #c0392b;
}

.btn-muted {
    background-color: var(--panel);
    color: var(--muted);
    border: 1px solid var(--border);
}

.control-btn, .control-select {
    padding: 8px 12px;
    font-size: 0.9em;
    border-radius: 6px;
    background-color: var(--border);
    color: var(--text);
    border: 1px solid var(--muted);
    cursor: pointer;
}

/* Formulario */
.data-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.data-form input, .data-form select {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background-color: var(--bg);
    color: var(--text);
    transition: border-color 0.2s;
}

.data-form input:focus, .data-form select:focus {
    border-color: var(--brand);
    outline: none;
    box-shadow: 0 0 0 2px rgba(46, 204, 113, 0.2);
}

/* Acciones del Formulario */
.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.form-actions > * {
    flex-grow: 1;
    min-width: 150px;
}

/* Plantilla CSV */
.tpl-panel pre {
    background-color: var(--bg);
    padding: 10px;
    border-radius: var(--radius);
    border: 1px dashed var(--muted);
    overflow-x: auto;
    font-size: 0.9em;
    color: var(--text);
    margin-bottom: 10px;
}

/* Estadísticas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.stat-card {
    background-color: var(--bg);
    padding: 15px;
    border-radius: 6px;
    border-left: 4px solid var(--primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.stat-card.dominant-card {
    border-left-color: var(--top-category-bg);
}

.stat-label {
    font-size: 0.8em;
    color: var(--muted);
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--text);
}

.stat-top-category {
    font-size: 1.2em;
    padding: 4px 8px;
    border-radius: 4px;
    background-color: var(--top-category-bg);
    color: var(--panel);
    display: inline-block;
}

.stat-value-list {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.stat-value-list span {
    background-color: var(--border);
    color: var(--text);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.85em;
    border: 1px solid var(--muted);
}

/* Animación de Resalte para Categoría Dominante */
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(243, 156, 18, 0.4); }
    70% { transform: scale(1.02); box-shadow: 0 0 0 10px rgba(243, 156, 18, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(243, 156, 18, 0); }
}

.dominant-card.animate .stat-top-category {
    animation: pulse 1.5s ease-out 1;
}


/* Tabla */
.table-scroll {
    overflow-x: auto;
    max-height: 500px; /* Altura máxima para scroll vertical */
}

#dataTable {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

#dataTable th, #dataTable td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

#dataTable th {
    background-color: var(--bg);
    color: var(--muted);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

#dataTable tbody tr {
    transition: background-color 0.15s ease;
}

#dataTable tbody tr:hover {
    background-color: var(--border);
}

/* Animación de entrada de fila */
@keyframes slideIn {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}
.new-row-slide {
    animation: slideIn 0.3s ease-out 1;
}

.delete-btn {
    background: var(--danger);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8em;
    cursor: pointer;
    border: none;
}

.delete-btn:hover {
    background: #c0392b;
}

/* Visualizaciones */
.charts-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 600px) {
    .charts-container {
        grid-template-columns: 1fr 1fr;
    }
}

.chart-box {
    background-color: var(--bg);
    padding: 15px;
    border-radius: 6px;
    box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.chart-box canvas {
    max-height: 350px;
    width: 100% !important;
    height: auto !important;
}

.viz-note {
    color: var(--muted);
    font-size: 0.9em;
    margin-bottom: 20px;
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 20px;
    font-size: 0.8em;
    color: var(--muted);
    border-top: 1px solid var(--border);
    margin-top: 20px;
}

/* Branding Panel (Identidad Visual) */
.branding-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.branding-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: flex-start;
}
.branding-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 150px;
}

.img-thumb, .photo-placeholder {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 5px;
    margin-bottom: 10px;
    transition: opacity 0.3s;
}

.photo-placeholder {
    align-self: flex-end; /* Alinear a la derecha en el panel */
    width: 120px;
    height: 120px;
    object-fit: cover; /* Para la foto de equipo */
    border-radius: 50%;
}
.photo-placeholder.hidden {
    display: none !important;
}
.branding-panel > p {
    font-size: 0.9em;
    color: var(--muted);
}

/* Foco para accesibilidad */
button:focus, select:focus, input:focus, a:focus {
    outline: 2px solid var(--brand-2);
    outline-offset: 2px;
}

/* Animación de entrada de tarjetas */
@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}
.panel {
    animation: fadeIn 0.5s ease-out;
}