/**
 * PWA Install Banner - Estilos CSS
 * @version 1.0.0
 * @author AGEEMCTI A.C.
 * 
 * Banner flotante para instalación PWA con tema AGEEMCTI
 * Colores: Navy (#0A192F) y Gold (#C9A84C)
 */

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    --pwa-navy: #0A192F;
    --pwa-navy-light: #112240;
    --pwa-navy-dark: #061224;
    --pwa-gold: #C9A84C;
    --pwa-gold-light: #D4B76A;
    --pwa-gold-dark: #A68A3D;
    --pwa-white: #FFFFFF;
    --pwa-gray: #8892B0;
    --pwa-shadow: rgba(10, 25, 47, 0.4);
}

/* ============================================
   BANNER CONTAINER (3.7, 3.8)
   ============================================ */
.pwa-install-banner {
    /* Posicionamiento fijo en bottom (3.7) */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    
    /* Z-index alto para estar sobre todo (3.8) */
    z-index: 9999;
    
    /* Estilos base */
    background: linear-gradient(135deg, var(--pwa-navy) 0%, var(--pwa-navy-light) 100%);
    border-top: 3px solid var(--pwa-gold);
    box-shadow: 0 -4px 20px var(--pwa-shadow);
    
    /* Transiciones suaves (5.4) */
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    
    /* Estado inicial - oculto abajo */
    transform: translateY(100%);
    opacity: 0;
    
    /* Padding interno */
    padding: 16px 20px;
    
    /* Asegurar que no interfiera con safe areas en móviles */
    padding-bottom: max(16px, env(safe-area-inset-bottom));
}

/* Estado visible - slide up animation (5.1) */
.pwa-install-banner.pwa-banner-visible {
    transform: translateY(0);
    opacity: 1;
}

/* Estado ocultando - slide down animation (5.2) */
.pwa-install-banner.pwa-banner-hiding {
    transform: translateY(100%);
    opacity: 0;
}

/* ============================================
   BANNER CONTENT
   ============================================ */
.pwa-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

/* ============================================
   ICONO DE LA APLICACIÓN (3.6)
   ============================================ */
.pwa-banner-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--pwa-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.pwa-banner-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pwa-banner-icon-fallback {
    display: none;
    font-size: 28px;
    font-weight: 700;
    color: var(--pwa-navy);
    font-family: 'Merriweather', Georgia, serif;
}

/* Mostrar fallback si la imagen no carga */
.pwa-banner-icon img[style*="display: none"] + .pwa-banner-icon-fallback {
    display: flex;
}

/* ============================================
   TEXTO DEL BANNER
   ============================================ */
.pwa-banner-text {
    flex: 1;
    min-width: 0;
}

.pwa-banner-title {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--pwa-gold);
    margin: 0 0 4px 0;
    line-height: 1.3;
}

.pwa-banner-subtitle {
    font-family: 'Open Sans', system-ui, sans-serif;
    font-size: 14px;
    color: var(--pwa-gray);
    margin: 0;
    line-height: 1.4;
}

/* ============================================
   BOTONES DE ACCIÓN (3.3, 3.4)
   ============================================ */
.pwa-banner-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

/* Botón Instalar */
.pwa-banner-btn-install {
    font-family: 'Open Sans', system-ui, sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--pwa-navy);
    background: var(--pwa-gold);
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(201, 168, 76, 0.3);
}

.pwa-banner-btn-install:hover {
    background: var(--pwa-gold-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(201, 168, 76, 0.4);
}

.pwa-banner-btn-install:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(201, 168, 76, 0.3);
}

.pwa-banner-btn-install:focus {
    outline: 2px solid var(--pwa-gold);
    outline-offset: 2px;
}

/* Botón Ahora no */
.pwa-banner-btn-dismiss {
    font-family: 'Open Sans', system-ui, sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: var(--pwa-gray);
    background: transparent;
    border: 1px solid var(--pwa-gray);
    border-radius: 8px;
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.pwa-banner-btn-dismiss:hover {
    color: var(--pwa-white);
    border-color: var(--pwa-white);
    background: rgba(255, 255, 255, 0.1);
}

.pwa-banner-btn-dismiss:focus {
    outline: 2px solid var(--pwa-gold);
    outline-offset: 2px;
}

/* ============================================
   BOTÓN CERRAR X (3.5)
   ============================================ */
.pwa-banner-btn-close {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pwa-navy-dark);
    border: 2px solid var(--pwa-gold);
    border-radius: 50%;
    color: var(--pwa-gold);
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.pwa-banner-btn-close:hover {
    background: var(--pwa-gold);
    color: var(--pwa-navy);
    transform: rotate(90deg);
}

.pwa-banner-btn-close:focus {
    outline: 2px solid var(--pwa-gold);
    outline-offset: 2px;
}

.pwa-banner-btn-close svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   INDICADOR DE SWIPE (5.3)
   ============================================ */
.pwa-banner-swipe-indicator {
    display: none;
    width: 40px;
    height: 4px;
    background: var(--pwa-gold);
    border-radius: 2px;
    margin: 12px auto 0;
    opacity: 0.5;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablets */
@media (max-width: 768px) {
    .pwa-install-banner {
        padding: 14px 16px;
    }
    
    .pwa-banner-content {
        gap: 12px;
    }
    
    .pwa-banner-icon {
        width: 48px;
        height: 48px;
    }
    
    .pwa-banner-title {
        font-size: 16px;
    }
    
    .pwa-banner-subtitle {
        font-size: 13px;
    }
    
    .pwa-banner-btn-install,
    .pwa-banner-btn-dismiss {
        padding: 10px 18px;
        font-size: 13px;
    }
}

/* Móviles */
@media (max-width: 480px) {
    .pwa-install-banner {
        padding: 12px;
        border-top-width: 2px;
    }
    
    .pwa-banner-content {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .pwa-banner-icon {
        width: 44px;
        height: 44px;
    }
    
    .pwa-banner-text {
        flex: 1 1 calc(100% - 60px);
        order: 1;
    }
    
    .pwa-banner-title {
        font-size: 15px;
    }
    
    .pwa-banner-subtitle {
        font-size: 12px;
    }
    
    .pwa-banner-actions {
        flex: 1;
        order: 2;
        justify-content: flex-end;
        gap: 8px;
    }
    
    .pwa-banner-btn-install {
        flex: 1;
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .pwa-banner-btn-dismiss {
        padding: 10px 14px;
        font-size: 12px;
    }
    
    .pwa-banner-btn-close {
        position: static;
        order: 3;
        width: 28px;
        height: 28px;
    }
    
    /* Mostrar indicador de swipe en móviles */
    .pwa-banner-swipe-indicator {
        display: block;
    }
}

/* Móviles pequeños */
@media (max-width: 360px) {
    .pwa-banner-title {
        font-size: 14px;
    }
    
    .pwa-banner-subtitle {
        font-size: 11px;
    }
    
    .pwa-banner-btn-install,
    .pwa-banner-btn-dismiss {
        padding: 8px 12px;
        font-size: 12px;
    }
}

/* ============================================
   ACCESIBILIDAD (5.5)
   ============================================ */

/* Reducir motion para usuarios que lo prefieren */
@media (prefers-reduced-motion: reduce) {
    .pwa-install-banner,
    .pwa-banner-btn-install,
    .pwa-banner-btn-dismiss,
    .pwa-banner-btn-close {
        transition: none;
    }
    
    .pwa-install-banner.pwa-banner-visible {
        transform: none;
        opacity: 1;
    }
}

/* Alto contraste */
@media (prefers-contrast: high) {
    .pwa-install-banner {
        border-top-width: 4px;
    }
    
    .pwa-banner-btn-install {
        border: 2px solid var(--pwa-navy);
    }
    
    .pwa-banner-btn-dismiss {
        border-width: 2px;
    }
}

/* Dark mode (ya es oscuro por defecto) */
@media (prefers-color-scheme: dark) {
    /* Los estilos ya están optimizados para dark mode */
}

/* ============================================
   UTILIDADES
   ============================================ */

/* Ocultar banner cuando está en modo standalone */
@media all and (display-mode: standalone) {
    .pwa-install-banner {
        display: none !important;
    }
}

/* Focus visible para navegación por teclado */
.pwa-install-banner *:focus-visible {
    outline: 2px solid var(--pwa-gold);
    outline-offset: 2px;
}

/* Estados de los botones */
.pwa-banner-btn-install:disabled,
.pwa-banner-btn-dismiss:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   ANIMACIONES KEYFRAMES
   ============================================ */

@keyframes pwa-slide-up {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pwa-slide-down {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(100%);
        opacity: 0;
    }
}

@keyframes pwa-pulse {
    0%, 100% {
        box-shadow: 0 2px 8px rgba(201, 168, 76, 0.3);
    }
    50% {
        box-shadow: 0 4px 16px rgba(201, 168, 76, 0.5);
    }
}

/* Animación de pulso para el botón de instalar (opcional) */
.pwa-banner-btn-install.pwa-pulse {
    animation: pwa-pulse 2s infinite;
}