/* ===== PWA STYLES ===== */

/* Botón de instalación */
.install-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    margin-left: 8px;
}

.install-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.install-btn:active {
    transform: translateY(0);
}

/* Notificación de actualización */
.update-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #2d3447;
    border: 1px solid #374151;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    max-width: 350px;
}

.update-notification.show {
    transform: translateX(0);
}

.update-content {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ffffff;
}

.update-content i {
    color: #6366f1;
    font-size: 18px;
}

.btn-update {
    background: #6366f1;
    color: white;
    border: none;
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 12px;
    cursor: pointer;
    margin-left: auto;
    transition: background-color 0.3s ease;
}

.btn-update:hover {
    background: #4f46e5;
}

.btn-dismiss {
    background: transparent;
    color: #a3a8b8;
    border: none;
    padding: 4px;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.btn-dismiss:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Estado offline */
.offline::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #f59e0b, #ef4444);
    z-index: 10000;
    animation: offline-pulse 2s infinite;
}

@keyframes offline-pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* Modo PWA instalada */
.pwa-mode {
    --header-padding: env(safe-area-inset-top, 0);
}

.pwa-mode .header {
    padding-top: var(--header-padding);
}

/* Mejoras para dispositivos móviles en PWA */
@media (display-mode: standalone) {
    .header {
        padding-top: env(safe-area-inset-top, 0);
        background: #1a1f2e;
        backdrop-filter: blur(10px);
    }
    
    .install-btn {
        display: none;
    }
}

/* Safe areas para dispositivos con notch */
@supports (padding: max(0px)) {
    .pwa-mode {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }
}

/* Optimizaciones táctiles para PWA */
@media (pointer: coarse) {
    .chord-slot,
    .chord-item,
    .preset-item,
    .btn-primary,
    .btn-secondary {
        min-height: 44px; /* Tamaño mínimo táctil recomendado */
    }
    
    .header-controls button {
        min-height: 40px;
        min-width: 40px;
    }
    
    .progression-controls button {
        min-height: 48px;
        padding: 8px 16px;
    }
}

/* Animaciones reducidas para usuarios que prefieren menos movimiento */
@media (prefers-reduced-motion: reduce) {
    .update-notification,
    .install-btn {
        animation: none;
        transition: none;
    }
    
    .install-btn:hover,
    .btn-update:hover {
        transform: none;
    }
}

/* Tema oscuro mejorado para PWA */
@media (prefers-color-scheme: dark) {
    .update-notification {
        background: #1f2937;
        border-color: #374151;
    }
}

/* Responsive para PWA en diferentes orientaciones */
@media (orientation: landscape) and (max-height: 500px) {
    .update-notification {
        top: 10px;
        right: 10px;
        padding: 8px;
        max-width: 280px;
    }
    
    .install-btn {
        padding: 4px 8px;
        font-size: 12px;
    }
}