/* --- LIQUID GLASS: ULTRA PRO UI (2025) --- */

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

:root {
    /* Paleta Principal Oscura */
    --bg-body: #030712; /* Negro azulado profundo */
    --bg-sidebar: rgba(10, 15, 30, 0.95);
    
    /* Cristal */
    --glass-bg: rgba(30, 41, 59, 0.6);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    --glass-shine: 1px solid rgba(255, 255, 255, 0.15); /* Borde superior brillante */
    
    /* Colores de Acento (Neon) */
    --primary: #6366f1; 
    --primary-hover: #4f46e5;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --radius-card: 20px;
    --radius-btn: 12px;
}

/* 1. ESTRUCTURA Y FONDO */
body {
    background-color: var(--bg-body) !important;
    /* Fondo sutil y elegante */
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(99, 102, 241, 0.15), transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(16, 185, 129, 0.1), transparent 40%) !important;
    font-family: 'Inter', sans-serif !important;
    color: var(--text-main) !important;
    -webkit-font-smoothing: antialiased;
}

.wrapper, .content-wrapper, .main-footer { background: transparent !important; }
.content-header { display: none !important; }

/* 2. SIDEBAR (MENÚ LATERAL) ARREGLADO */
.main-sidebar {
    background-color: var(--bg-sidebar) !important;
    border-right: var(--glass-border) !important;
    box-shadow: 5px 0 30px rgba(0,0,0,0.3);
    padding-top: 80px !important; /* Espacio para que no choque con el header */
}

.sidebar-menu > li > a {
    color: var(--text-muted) !important;
    font-weight: 500 !important;
    border-radius: 0 30px 30px 0 !important;
    margin-right: 15px !important;
    padding: 12px 20px !important;
    transition: all 0.2s ease;
    border: none !important;
}

.sidebar-menu > li:hover > a,
.sidebar-menu > li.active > a {
    background: rgba(99, 102, 241, 0.15) !important;
    color: #ffffff !important;
    border-left: 4px solid var(--primary) !important;
    text-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.sidebar-menu > li.header {
    background: transparent !important;
    color: rgba(255,255,255,0.2) !important;
    font-size: 0.75rem !important;
    letter-spacing: 1.5px;
    padding-left: 25px !important;
    margin-top: 10px;
}

/* 3. HEADER SUPERIOR */
.main-header {
    max-height: 100px; /* Asegurar altura */
}
.main-header .navbar {
    background: rgba(3, 7, 18, 0.8) !important;
    backdrop-filter: blur(10px);
    border-bottom: var(--glass-border) !important;
    margin-left: 230px !important; /* Asegurar que no se monta */
}
.main-header .logo {
    background: var(--bg-sidebar) !important;
    border-right: var(--glass-border) !important;
    border-bottom: var(--glass-border) !important;
    color: white !important;
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.navbar-nav > li > a {
    color: var(--text-muted) !important;
    font-weight: 600;
}
.navbar-nav > li > a:hover {
    color: white !important;
    background: rgba(255,255,255,0.05) !important;
}

/* 4. TARJETAS DE CRISTAL (CARDS) */
.box {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    
    /* Bordes de Luz para efecto 3D */
    border: var(--glass-border) !important;
    border-top: var(--glass-shine) !important;
    border-left: var(--glass-shine) !important;
    
    border-radius: var(--radius-card) !important;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5) !important;
    margin-bottom: 30px !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease !important;
    
    /* Flex para igualar alturas */
    display: flex !important;
    flex-direction: column !important;
    height: 100% !important;
}

.box:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 20px 40px -5px rgba(0,0,0,0.6), 0 0 30px rgba(99, 102, 241, 0.15) !important;
    border-color: rgba(255,255,255,0.2) !important;
}

.box-header {
    background: transparent !important;
    border-bottom: var(--glass-border) !important;
    padding: 20px 25px !important;
}

.box-title {
    color: var(--text-muted) !important;
    font-size: 0.8rem !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex; align-items: center; gap: 10px;
}

.box-body {
    padding: 25px !important;
    flex-grow: 1 !important; /* Rellenar espacio */
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
}

/* 5. BOTONES PRO (Gradients & Glass) */
.btn {
    border-radius: var(--radius-btn) !important;
    padding: 12px 24px !important;
    font-weight: 600 !important;
    font-size: 0.9rem !important;
    letter-spacing: 0.3px !important;
    border: none !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    text-transform: none !important; /* No forzar mayúsculas */
    box-shadow: 0 4px 6px rgba(0,0,0,0.1) !important;
}

/* Primario (Acción) */
.btn-primary {
    background: var(--primary-gradient) !important;
    color: white !important;
    box-shadow: 0 10px 20px -10px var(--primary) !important;
    border: 1px solid rgba(255,255,255,0.1) !important;
}
.btn-primary:hover {
    filter: brightness(1.15);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px var(--primary) !important;
}

/* Secundario (Glass) */
.btn-default {
    background: rgba(255, 255, 255, 0.05) !important;
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}
.btn-default:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: rgba(255, 255, 255, 0.3) !important;
}

/* 6. EXTRAS */
.alert {
    border-radius: 16px !important;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1) !important;
}
.alert-success { background: rgba(16, 185, 129, 0.15) !important; color: #6ee7b7 !important; }
.alert-danger { background: rgba(239, 68, 68, 0.15) !important; color: #fca5a5 !important; }

/* Iconos circulares con fondo */
.icon-circle {
    width: 48px; height: 48px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    color: white;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.2);