/* ==========================================================================
   csss.css - Core de Estilos e Identidad Visual SMA (Optimizado Poppins)
   ========================================================================== */

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

:root {
    /* Tipografía Global */
    --font-global: 'Poppins', system-ui, -apple-system, sans-serif;

    /* Paleta de Colores Institucional */
    --primary-color: #004ca5;     /* Azul principal */
    --accent-color: #ff8c00;      /* Naranja acento */
    --header-bg: #ffb532;          /* Amarillo cabecera / footer */
    --bg-color: #f8fafc;          /* Fondo base ultra suave */
    --sidebar-bg: #ffffff;
    --sidebar-hover-bg: #e6f0ff;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --text-color: #334155;        /* Slate para mejor legibilidad */
    --sidebar-border: rgba(0,0,0,0.05);
    
    /* Dimensiones y Efectos Base */
    --sidebar-width: 300px;
    --shadow-soft: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-hover: 0 6px 18px rgba(0,0,0,0.1);
    --border-radius: 12px;        /* Bordes modernos más redondeados */
    --transition-speed: 0.25s;
}

/* Reset de Caja Estándar */
*, *::before, *::after {
    box-sizing: border-box;
}

/* ==========================================================================
   APLICACIÓN TIPOGRÁFICA GLOBAL (Limpia y Heredable)
   ========================================================================== */

html, body {
    font-family: var(--font-global);
}

/* FIX INGENIERÍA: Forzamos Poppins, pero EXCLUIMOS explícitamente las clases de iconos (.bi) 
   para que el !important no destruya la fuente vectorial de Bootstrap Icons */
input, select, textarea, button, .modal, .modal *:not(.bi), .swal2-popup, .swal2-popup *:not(.bi) {
    font-family: var(--font-global) !important;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   ESTRUCTURA DEL LAYOUT BASE
   ========================================================================== */

/* --- HEADER --- */
header {
    background-color: var(--sidebar-bg);
    box-shadow: var(--shadow-soft);
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header img {
    border-radius: var(--border-radius);
}

header .text-end {
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.9;
}

/* --- SIDEBAR --- */
#menuLateral {
    background-color: var(--sidebar-bg);
    width: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 0.75rem;
    border-right: 1px solid var(--card-border);
    overflow-y: auto;
    transition: transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

/* Links del Menú */
#menuLateral ul.nav li a.nav-link {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-color);
    position: relative;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

#menuLateral ul.nav li a.nav-link i {
    margin-right: 10px;
    font-size: 1.1rem;
    transition: color var(--transition-speed) ease;
}

/* Estados Hover y Activo */
#menuLateral ul.nav li a.nav-link.active,
#menuLateral ul.nav li a.nav-link:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

#menuLateral ul.nav li a.nav-link.active i,
#menuLateral ul.nav li a.nav-link:hover i {
    color: var(--accent-color);
}

/* Indicador Visual Flotante */
#menuLateral ul.nav li a.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0%;
    background-color: var(--accent-color);
    border-radius: 4px;
    transition: height var(--transition-speed) ease;
}

#menuLateral ul.nav li a.nav-link.active::before,
#menuLateral ul.nav li a.nav-link:hover::before {
    height: 50%;
}

/* Submenús Desplegables */
#menuLateral ul.nav ul {
    max-height: 0;
    overflow: hidden;
    padding-left: 12px;
    transition: max-height var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1), padding var(--transition-speed) ease;
}

#menuLateral ul.nav ul.show {
    max-height: 500px;
    padding-top: 6px;
    padding-bottom: 6px;
}

#menuLateral ul.nav ul li a.nav-link {
    font-size: 0.825rem;
    padding: 8px 16px 8px 32px;
}

/* --- CONTENEDOR PRINCIPAL --- */
main {
    background-color: var(--bg-color);
    padding: 24px;
    flex-grow: 1;
}

/* --- ELEMENTOS DE INTERFAZ COMPLEMENTARIOS --- */
#toTopBtn {
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
    display: none;
    box-shadow: var(--shadow-soft);
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

#toTopBtn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
    transform: translateY(-3px);
}

footer {
    background-color: var(--card-border);
    color: var(--text-color);
    font-size: 0.875rem;
    padding: 1rem;
}

/* ==========================================================================
   RESPONSIVE LAYOUT (MOBILE MASTER)
   ========================================================================== */
@media (max-width: 768px) {
    #menuLateral {
        position: fixed;
        z-index: 1050;
        height: 100vh;
        left: calc(var(--sidebar-width) * -1);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
    }

    #menuLateral.show {
        left: 0;
    }

    #menuLateral ul.nav li a.nav-link {
        padding: 12px 16px;
        font-size: 0.9rem;
    }

    main {
        padding: 16px;
    }
}