/* =========================================================================
   Sistema de Diseño e Identidad Visual - ERP "CP"
   100% en español. Vanilla CSS Premium.
   Soporte nativo de Modo Oscuro (Por Defecto) y Modo Claro.
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    /* --- MODO OSCURO (Por defecto) --- */
    --color-fondo: #0b0f19;
    --color-fondo-panel: #0f1424;
    --color-fondo-tarjeta: rgba(22, 29, 49, 0.7);
    --color-borde: rgba(255, 255, 255, 0.06);
    --color-borde-fuerte: rgba(255, 255, 255, 0.12);
    
    --color-primario: #6366f1; /* Indigo eléctrico */
    --color-primario-hover: #4f46e5;
    --color-primario-brillo: rgba(99, 102, 241, 0.2);
    --color-acento: #a855f7; /* Violeta */
    --color-acento-hover: #9333ea;
    
    --color-texto: #f1f5f9;
    --color-texto-secundario: #94a3b8;
    --color-texto-apagado: #64748b;
    
    --color-exito: #10b981; /* Esmeralda */
    --color-exito-fondo: rgba(16, 185, 129, 0.1);
    --color-alerta: #f59e0b; /* Ámbar */
    --color-alerta-fondo: rgba(245, 158, 11, 0.1);
    --color-error: #ef4444; /* Rojo */
    --color-error-fondo: rgba(239, 68, 68, 0.1);
    
    --sombra-tarjeta: 0 10px 30px -5px rgba(0, 0, 0, 0.3);
    --sombra-boton: 0 4px 14px rgba(99, 102, 241, 0.3);
    
    --efecto-desenfoque: blur(12px);
    --radio-borde: 16px;
    --fuente-principal: 'Outfit', sans-serif;
}

/* --- MODO CLARO (Activado por la clase .modo-claro en el <html>) --- */
html.modo-claro {
    --color-fondo: #f8fafc;
    --color-fondo-panel: #ffffff;
    --color-fondo-tarjeta: rgba(255, 255, 255, 0.85);
    --color-borde: rgba(0, 0, 0, 0.06);
    --color-borde-fuerte: rgba(0, 0, 0, 0.1);
    
    --color-primario: #4f46e5;
    --color-primario-hover: #3730a3;
    --color-primario-brillo: rgba(79, 70, 229, 0.15);
    --color-acento: #8b5cf6;
    --color-acento-hover: #7c3aed;
    
    --color-texto: #0f172a;
    --color-texto-secundario: #475569;
    --color-texto-apagado: #94a3b8;
    
    --color-exito: #059669;
    --color-exito-fondo: rgba(5, 150, 105, 0.1);
    --color-alerta: #d97706;
    --color-alerta-fondo: rgba(217, 119, 6, 0.1);
    --color-error: #dc2626;
    --color-error-fondo: rgba(220, 38, 38, 0.1);
    
    --sombra-tarjeta: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
    --sombra-boton: 0 4px 14px rgba(79, 70, 229, 0.2);
}

/* =========================================================================
   Estilos Base y Reseteo
   ========================================================================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--fuente-principal);
    background-color: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    /* Transiciones fluidas al cambiar entre modo oscuro/claro */
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

a {
    color: var(--color-primario);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--color-primario-hover);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-texto);
}

/* =========================================================================
   Botones y Componentes Interactivos
   ========================================================================= */
.boton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: 12px;
    font-family: var(--fuente-principal);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.boton-primario {
    background: linear-gradient(135deg, var(--color-primario), var(--color-primario-hover));
    color: #ffffff;
    box-shadow: var(--sombra-boton);
}
.boton-primario:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}
.boton-primario:active {
    transform: translateY(0);
}

.boton-secundario {
    background-color: transparent;
    color: var(--color-texto);
    border: 1px solid var(--color-borde-fuerte);
}
.boton-secundario:hover {
    background-color: var(--color-borde);
    transform: translateY(-1px);
}

.boton-bloque {
    width: 100%;
}

/* =========================================================================
   Formularios Elegantes e Inputs
   ========================================================================= */
.grupo-formulario {
    margin-bottom: 1.5rem;
}

.etiqueta-formulario {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-texto-secundario);
}

.control-formulario {
    width: 100%;
    padding: 0.8rem 1rem;
    font-family: var(--fuente-principal);
    font-size: 0.95rem;
    color: var(--color-texto);
    background-color: var(--color-fondo-panel);
    border: 1px solid var(--color-borde-fuerte);
    border-radius: 12px;
    outline: none;
    transition: all 0.2s ease;
}

.control-formulario:focus {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 4px var(--color-primario-brillo);
}

/* =========================================================================
   Tarjetas (Cards) con efecto Glassmorphism
   ========================================================================= */
.tarjeta {
    background-color: var(--color-fondo-tarjeta);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-borde);
    padding: 2rem;
    box-shadow: var(--sombra-tarjeta);
    backdrop-filter: var(--efecto-desenfoque);
    -webkit-backdrop-filter: var(--efecto-desenfoque);
    transition: border-color 0.3s ease, background-color 0.3s ease, transform 0.3s ease;
}

/* =========================================================================
   Estructura General Layout (Sidebar + Contenido)
   ========================================================================= */
.layout-contenedor {
    display: flex;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
}

/* Barra Lateral (Sidebar) Estilo WordPress Moderno */
.layout-sidebar {
    width: 260px;
    background-color: var(--color-fondo-panel);
    border-right: 1px solid var(--color-borde);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.sidebar-logo {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-borde);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-texto {
    font-size: 1.35rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primario), var(--color-acento));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
}

.sidebar-menu {
    flex-grow: 1;
    padding: 1.5rem 1rem;
    list-style: none;
    overflow-y: auto;
}

.menu-item {
    margin-bottom: 0.35rem;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1.25rem;
    border-radius: 12px;
    color: var(--color-texto-secundario);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.menu-link:hover {
    color: var(--color-texto);
    background-color: var(--color-borde);
}

.menu-link.activo {
    background-color: var(--color-primario-brillo);
    color: var(--color-primario);
    font-weight: 600;
}

.menu-icono {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    color: inherit;
}

.menu-icono svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    transition: transform 0.2s ease;
}

.menu-link:hover .menu-icono svg {
    transform: scale(1.1);
}

.sidebar-pie {
    padding: 1.25rem;
    border-top: 1px solid var(--color-borde);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Área de Contenido Principal */
.layout-principal {
    margin-left: 260px;
    flex-grow: 1;
    padding: 2rem;
    min-height: 100vh;
    min-width: 0; /* EVITAR DESBORDAMIENTO HORIZONTAL EN ELEMENTOS FLEX */
    width: calc(100% - 260px); /* LIMITAR EL ANCHO AL ESPACIO RESTANTE */
    max-width: calc(100% - 260px);
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s ease;
}

/* Barra de Navegación Superior */
.cabecera-principal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-borde);
}

.cabecera-usuario {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.avatar-usuario {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primario), var(--color-acento));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* Controles de Temas */
.control-tema-btn {
    background: none;
    border: none;
    color: var(--color-texto-secundario);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-borde);
    transition: all 0.2s ease;
}

.control-tema-btn:hover {
    color: var(--color-texto);
    background-color: var(--color-borde);
}

/* =========================================================================
   Alertas y Notificaciones
   ========================================================================= */
.alerta {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid transparent;
}

.alerta-exito {
    background-color: var(--color-exito-fondo);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--color-exito);
}

.alerta-error {
    background-color: var(--color-error-fondo);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--color-error);
}

/* =========================================================================
   Estilos de Utilidades
   ========================================================================= */
.texto-centrado { text-align: center; }
.texto-apagado { color: var(--color-texto-apagado); }
.margen-superior { margin-top: 1rem; }
.margen-inferior { margin-bottom: 1rem; }

/* =========================================================================
   Diseño Responsivo (Mobile First y Adaptaciones)
   ========================================================================= */
@media (max-width: 992px) {
    .layout-sidebar {
        transform: translateX(-100%);
    }
    
    .layout-sidebar.abierto {
        transform: translateX(0);
    }
    
    .layout-principal {
        margin-left: 0;
        width: 100%;
        max-width: 100%;
    }
}
