.in-app-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-left: 4px solid #007bff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    max-width: 350px;
    z-index: 9999;
    animation: slideIn 0.3s ease;
}

.in-app-notification.fade-out {
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.3s ease;
}

/* PWA Install Container */
.pwa-install-container {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 20px;
    border-radius: 12px;
    margin: 20px auto;
    max-width: 800px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

.pwa-install-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.3;
    z-index: 0;
}

.pwa-status {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

#pwaStatus {
    flex: 1;
    font-size: 14px;
    min-width: 200px;
}

/* Install Button */
.install-button {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
    animation: pulse 2s infinite;
}

.install-button:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

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

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(76, 175, 80, 0); }
    100% { box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
}

/* Share Button */
.share-button {
    background: #2196F3;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

/* Installation Instructions Modal */
.install-instructions {
    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;
    backdrop-filter: blur(5px);
}

.instructions-content {
    background: white;
    color: #333;
    padding: 30px;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.instructions-content h3 {
    color: #667eea;
    margin-bottom: 20px;
}

.instructions-content p {
    margin: 10px 0;
    text-align: left;
    padding-left: 20px;
    position: relative;
}

.instructions-content p::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

#closeInstructions {
    margin-top: 20px;
    padding: 10px 30px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: bold;
}

/* Utility Classes */
.hidden { display: none !important; }
.visible { display: block !important; }
.flex { display: flex !important; }

@keyframes slideIn {
    from { transform: translateX(100px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}