/* PWA Installation Styles */
.pwa-install-banner {
    position: fixed;
    bottom: -100px;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.5);
    z-index: 9999;
    transition: bottom 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-top: 1px solid var(--border-color);
}
.pwa-install-banner.show {
    bottom: 0;
}
.pwa-banner-content {
    display: flex;
    align-items: center;
    gap: 15px;
}
.pwa-banner-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: cover;
}
.pwa-banner-text h4 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 4px;
    color: var(--text-light);
}
.pwa-banner-text p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}
.pwa-banner-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}
.btn-pwa-install {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
}
.btn-pwa-close {
    background: transparent;
    color: var(--text-muted);
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 5px;
}

/* PWA Popup Overlay */
.pwa-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}
.pwa-popup-overlay.show {
    opacity: 1;
    visibility: visible;
}
.pwa-popup-modal {
    background: var(--bg-card);
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    padding: 30px 20px;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}
.pwa-popup-overlay.show .pwa-popup-modal {
    transform: scale(1);
}
.pwa-popup-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin: 0 auto 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}
.pwa-popup-modal h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--text-light);
}
.pwa-popup-modal p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 25px;
    line-height: 1.5;
}
.pwa-popup-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.btn-pwa-primary {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}
.btn-pwa-secondary {
    background: var(--bg-dark);
    color: var(--text-light);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
}
.btn-pwa-text {
    background: transparent;
    color: var(--text-muted);
    border: none;
    padding: 10px;
    font-size: 14px;
    cursor: pointer;
}

/* Fallback Instructions */
.pwa-fallback-inst {
    background: rgba(255,255,255,0.05);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    text-align: left;
    color: var(--text-light);
}
.pwa-fallback-inst strong {
    color: var(--primary-color);
}