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

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.hidden {
    display: none;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
}

#emailInput {
    width: 100%;
    padding: 12px;
    margin: 20px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

button {
    background: #007cba;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background: #005a87;
}

.list-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.item-number {
    width: 30px;
    font-weight: bold;
    color: #666;
}

.item-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.item-input.red-text {
    color: red;
    font-weight: bold;
}

.admin-btn {
    margin: 10px;
    background: #dc3545;
}

.admin-btn:hover {
    background: #c82333;
}

#status {
    margin-top: 20px;
    padding: 10px;
    background: #d4edda;
    border-radius: 4px;
    color: #155724;
}