/**
 * Floating Icons Pro - Estilos Base
 * Contiene: Variables CSS, reset básico y estilos fundamentales
 */

/* ===================================
   Variables CSS
   =================================== */
:root {
    /* Variables principales */
    --fip-z-index: 9999;
    --fip-animation-speed: 300ms;
    --fip-icon-shadow: 0 2px 10px rgba(0,0,0,0.2);
    --fip-icon-hover-shadow: 0 4px 20px rgba(0,0,0,0.3);
    
    /* Z-index escala */
    --fip-z-icons: 100;
    --fip-z-sidebar-content: 200;
    --fip-z-sidebar-toggle: 300;
    
    /* Tamaños por defecto */
    --fip-icon-size-default: 60px;
    --fip-icon-size-mobile: 50px;
    --fip-sidebar-toggle-size: 60px;
    
    /* Espaciados */
    --fip-container-gap: 10px;
    --fip-container-gap-mobile: 8px;
    --fip-position-offset: 20px;
    
    /* Colores por defecto */
    --fip-icon-default-bg: #25D366;
    --fip-icon-default-color: #ffffff;
    --fip-sidebar-default-bg: #333333;
    --fip-text-default-bg: rgba(0,0,0,0.9);
    --fip-text-default-color: #ffffff;
    
    /* Transiciones */
    --fip-transition-default: all var(--fip-animation-speed) ease;
    --fip-transition-transform: transform var(--fip-animation-speed) ease;
    --fip-transition-opacity: opacity var(--fip-animation-speed) ease;
}

/* ===================================
   Reset y Box Model
   =================================== */
.fip-main-container *,
.fip-main-container *::before,
.fip-main-container *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ===================================
   Contenedor Principal
   =================================== */
.fip-main-container {
    position: fixed;
    z-index: var(--fip-z-index);
    pointer-events: none;
}

/* ===================================
   Base para iconos y sidebars
   =================================== */
.fip-icon,
.fip-sidebar-toggle {
    /* Reset de enlaces */
    text-decoration: none !important;
    outline: none;
    
    /* Prevenir selección de texto */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    
    /* Suavizar renderizado */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    
    /* Habilitar aceleración por hardware */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    
    /* Backface para animaciones 3D */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* ===================================
   Utilidades
   =================================== */
.fip-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

.fip-clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* ===================================
   Estados Globales
   =================================== */
.fip-loading {
    pointer-events: none;
    opacity: 0.6;
}

.fip-hidden {
    display: none !important;
}

.fip-invisible {
    visibility: hidden !important;
}

/* ===================================
   Accesibilidad
   =================================== */
.fip-icon:focus,
.fip-sidebar-toggle:focus {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

.fip-icon:focus:not(:focus-visible),
.fip-sidebar-toggle:focus:not(:focus-visible) {
    outline: none;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .fip-icon,
    .fip-sidebar-toggle {
        border: 2px solid currentColor;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    :root {
        --fip-animation-speed: 0.01ms;
    }
    
    .fip-icon,
    .fip-sidebar-toggle,
    .fip-icon-text {
        animation: none !important;
        transition: none !important;
    }
}

/* ===================================
   Print styles
   =================================== */
@media print {
    .fip-main-container {
        display: none !important;
    }
}