/* =========================================================
   VARIABLES GLOBALES
   Aquí definimos colores y estilos reutilizables.
========================================================= */
:root {
    /* Colores principales de la marca */
    --primary: #1e40af;
    --primary-hover: #1e3a8a;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Colores neutros */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;

    /* Colores para modo oscuro */
    --dark-bg-primary: #0f172a;
    --dark-bg-secondary: #1e293b;
    --dark-bg-tertiary: #334155;
    --dark-text-primary: #f1f5f9;
    --dark-text-secondary: #cbd5e1;
    --dark-border: #475569;
}

/* =========================================================
   RESET BÁSICO
   Limpia márgenes, paddings y ajusta el box model.
========================================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* =========================================================
   ESTILO GENERAL DEL DOCUMENTO
========================================================= */
html,
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background 0.3s, color 0.3s;
    line-height: 1.6;
}

/* =========================================================
   MODO OSCURO
========================================================= */
body.dark-mode {
    background: var(--dark-bg-primary);
    color: var(--dark-text-primary);
}

body.dark-mode input,
body.dark-mode select,
body.dark-mode textarea {
    background: var(--dark-bg-secondary);
    color: var(--dark-text-primary);
    border-color: var(--dark-border);
}

body.dark-mode .form-section,
body.dark-mode .panel-section,
body.dark-mode .stat-card,
body.dark-mode .modal-content {
    background: var(--dark-bg-secondary);
    border-color: var(--dark-border);
}

body.dark-mode table {
    color: var(--dark-text-primary);
}

body.dark-mode tbody tr:hover {
    background: var(--dark-bg-tertiary);
}

/* =========================================================
   CONTENEDOR PRINCIPAL DE LA APP
========================================================= */
#app {
    min-height: 100vh;
    padding: 20px;
}

.view-container {
    max-width: 1400px;
    margin: 0 auto;
}

.view-container.hidden {
    display: none;
}

/* =========================================================
   HEADER DEL FORMULARIO
========================================================= */
.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 30px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--info) 100%);
    color: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.2);
}

/* Grupo logo + texto */
.form-logo {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Imagen real del logo */
.logo-img {
    width: 80px;
    height: auto;
    border-radius: 10px;
}

/* Icono temporal del logo */
.logo-icon {
    font-size: 48px;
    background: rgba(255, 255, 255, 0.2);
    width: 80px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Texto del logo */
.logo-text h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
}

.logo-text p {
    font-size: 14px;
    opacity: 0.9;
}

/* Botón secundario del header */
.btn-switch {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
}

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

/* =========================================================
   FORMULARIO PRINCIPAL
========================================================= */

.logo-container {
    text-align: center;
    margin-bottom: 20px;
}
.btn-admin {
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}
.logo-img {
    max-width: 120px;
    height: auto;
    display: block;
    margin: 0 auto 10px;
}
.client-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

/* Cada bloque del formulario */
.form-section {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.3s;
}

.form-section:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* Título principal de cada sección */
.form-section h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    padding-bottom: 10px;
}

/* Subtítulos */
.form-section h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

/* Texto informativo pequeño */
.section-note {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-style: italic;
}

/* =========================================================
   FILAS Y COLUMNAS DEL FORMULARIO
========================================================= */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

/* Grupo individual de campo */
.form-group {
    display: flex;
    flex-direction: column;
}

/* Campo que ocupa todo el ancho */
.form-group.full {
    grid-column: 1 / -1;
}

/* Etiquetas */
.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

/* Inputs generales */
.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    font-family: inherit;
}

/* Enfoque */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
    background: var(--bg-secondary);
}

/* Textareas */
.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* =========================================================
   CHECKBOXES Y RADIOS
========================================================= */
.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
}

.checkbox-group label,
.radio-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 400;
    margin-bottom: 0;
}

.checkbox-group input,
.radio-group input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Checkbox grande de autorización */
.checkbox-large {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    font-size: 14px;
}

.checkbox-large input {
    margin-top: 5px;
    flex-shrink: 0;
}

/* =========================================================
   CATEGORÍAS DE PRODUCTOS EN 3 COLUMNAS
========================================================= */
.categoria-productos-box {
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    gap: 12px 24px;
    background: var(--bg-tertiary);
    padding: 18px;
    border-radius: 10px;
    border: 1px solid var(--border);
    align-items: start;
}

.categoria-productos-box label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0;
}

/* Hace que "Seleccionar todos" se vea destacado */
.categoria-productos-box label strong {
    color: var(--text-primary);
}

/* =========================================================
   CANALES Y FORMATOS EN 2 COLUMNAS
========================================================= */
.two-columns-checks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* Evita espacios raros */
.two-columns-checks .form-group {
    margin-bottom: 0;
}

/* Caja visual para cada columna */
.two-columns-checks .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 10px;
    background: var(--bg-tertiary);
    padding: 18px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

/* Línea visual entre columnas */
.two-columns-checks > .form-group:first-child {
    border-right: 1px solid var(--border);
    padding-right: 20px;
}

.two-columns-checks > .form-group:last-child {
    padding-left: 20px;
}

/* =========================================================
   SUBSECCIONES
========================================================= */
.subsection {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid var(--primary);
}

/* =========================================================
   DOCUMENTOS
========================================================= */
.documentos-section {
    display: grid;
    gap: 15px;
}

.documento-item {
    background: var(--bg-tertiary);
    padding: 15px;
    border-radius: 8px;
    border: 1px dashed var(--border);
}

.documento-item label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.file-input-wrapper {
    display: flex;
    gap: 10px;
    align-items: center;
}

.file-input-wrapper input[type="file"] {
    flex: 1;
}

.file-size-info {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* =========================================================
   BOTONES
========================================================= */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Botón principal */
.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

/* Botón secundario */
.btn-secondary {
    background: var(--secondary);
    color: white;
}

.btn-secondary:hover {
    background: #475569;
    transform: translateY(-2px);
}

/* Botón éxito */
.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #059669;
}

/* Botón peligro */
.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

/* Botón info */
.btn-info {
    background: var(--info);
    color: white;
}

.btn-info:hover {
    background: #2563eb;
}

/* Botones del formulario */
.form-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--border);
}

/* =========================================================
   MENSAJES DE RESPUESTA
========================================================= */
.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    display: none;
}

/* Mensaje éxito */
.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
    display: block;
}

/* Mensaje error */
.form-message.error {
    background: #fee2e2;
    color: #7f1d1d;
    border: 1px solid #fecaca;
    display: block;
}

/* =========================================================
   HEADER DEL PANEL ADMIN
========================================================= */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 30px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--info) 100%);
    color: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.2);
}

.panel-title h1 {
    font-size: 28px;
    margin-bottom: 5px;
}

.panel-title p {
    font-size: 14px;
    opacity: 0.9;
}

/* =========================================================
   ESTADÍSTICAS DEL PANEL
========================================================= */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.3s;
}

.stat-card:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.stat-icon {
    font-size: 40px;
    background: var(--bg-tertiary);
    width: 70px;
    height: 70px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* =========================================================
   SECCIONES DEL PANEL
========================================================= */
.panel-section {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.panel-section h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    padding-bottom: 10px;
}

/* =========================================================
   BÚSQUEDA Y FILTROS
========================================================= */
.search-filters {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box input {
    flex: 1;
    padding: 12px 16px;
    padding-right: 40px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
}

.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.search-icon {
    position: absolute;
    right: 15px;
    font-size: 18px;
    color: var(--text-secondary);
}

.filter-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    color: var(--text-secondary);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* =========================================================
   TABLAS
========================================================= */
.table-responsive {
    overflow-x: auto;
}

.clients-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.clients-table thead {
    background: var(--bg-tertiary);
}

.clients-table th {
    padding: 15px;
    text-align: left;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
}

.clients-table td {
    padding: 15px;
    border-bottom: 1px solid var(--border);
}

.clients-table tbody tr {
    transition: all 0.2s;
}

.clients-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.clients-table .empty-message td {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    padding: 30px;
}

.table-actions {
    display: flex;
    gap: 5px;
}

.table-actions button {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.table-actions button:hover {
    background: var(--primary);
    color: white;
}

/* =========================================================
   ACCIONES DEL PANEL
========================================================= */
.panel-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    padding-top: 30px;
    border-top: 2px solid var(--border);
}

/* =========================================================
   MODALES
========================================================= */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 30px;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-content.modal-large {
    max-width: 800px;
}

.modal-content h2 {
    margin-bottom: 20px;
    color: var(--primary);
}

.modal-content p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.btn-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--bg-tertiary);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

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

.drive-status {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}

.status-text {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.drive-actions {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.drive-actions button {
    display: block;
    width: 100%;
    margin-bottom: 15px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 400;
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--border);
}

.modal-actions button {
    flex: 1;
}

/* =========================================================
   CHARTS
========================================================= */
.chart-container {
    position: relative;
    height: 300px;
    margin-top: 20px;
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 992px) {
    .categoria-productos-box {
        grid-template-columns: repeat(2, minmax(220px, 1fr));
    }
}

@media (max-width: 768px) {
    .form-header,
    .panel-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .form-logo {
        justify-content: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .two-columns-checks {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .two-columns-checks > .form-group:first-child {
        border-right: none;
        padding-right: 0;
    }

    .two-columns-checks > .form-group:last-child {
        padding-left: 0;
    }

    .categoria-productos-box {
        grid-template-columns: 1fr;
    }

    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .table-responsive {
        font-size: 12px;
    }

    .clients-table th,
    .clients-table td {
        padding: 10px;
    }

    .panel-actions {
        flex-direction: column;
    }

    .panel-actions button {
        width: 100%;
    }

    .modal-content {
        max-width: 90vw;
    }

    .filter-buttons {
        flex-direction: column;
    }

    .filter-btn {
        width: 100%;
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions button {
        width: 100%;
    }
}

/* =========================================================
   IMPRESIÓN
========================================================= */
@media print {
    body {
        background: white;
    }

    .form-header,
    .panel-header,
    .btn-switch,
    .btn,
    .panel-actions,
    .search-filters,
    .filter-buttons {
        display: none !important;
    }

    .form-section,
    .panel-section {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

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

.form-section,
.panel-section,
.stat-card {
    animation: fadeIn 0.3s ease;
}