* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

.header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
    padding: 20px;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card h2 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    margin: 10px 5px;
    transition: all 0.3s ease;
    font-weight: 600;
}

.btn:hover {
    background: #5a6fd8;
    transform: scale(1.05);
}

.btn-primary {
    background: #48bb78;
}

.btn-primary:hover {
    background: #38a169;
}

.btn-secondary {
    background: #ed8936;
}

.btn-secondary:hover {
    background: #dd6b20;
}

.status {
    margin-top: 15px;
    padding: 10px;
    background: #f7fafc;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    font-family: monospace;
}

textarea {
    width: 100%;
    height: 150px;
    margin: 15px 0;
    padding: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-family: monospace;
    font-size: 0.9rem;
    resize: vertical;
}

#notificationsList {
    max-height: 300px;
    overflow-y: auto;
}

.notification-item {
    padding: 15px;
    margin: 10px 0;
    background: #f7fafc;
    border-radius: 10px;
    border-left: 4px solid #48bb78;
}

.notification-item h3 {
    color: #2d3748;
    margin-bottom: 5px;
}

.notification-item p {
    color: #718096;
    font-size: 0.9rem;
}

.ios-tips {
    background: rgba(255,255,255,0.9);
    border-radius: 15px;
    padding: 20px;
    margin-top: 20px;
}

.ios-tips h3 {
    color: #333;
    margin-bottom: 15px;
}

.ios-tips ul {
    padding-left: 20px;
}

.ios-tips li {
    margin-bottom: 10px;
    color: #555;
}

.ios-share {
    background: #007aff;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: bold;
}