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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

.container {
    max-width: 100%;
    padding: 20px;
    position: relative;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.header h1 {
    font-size: 24px;
    font-weight: 500;
}

.order-info {
    background-color: #fff;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.order-info p {
    font-size: 16px;
    margin: 10px 0;
}

.payment-section {
    margin-top: 30px;
    text-align: center;
}

.pay-button {
    background-color: #07c160;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 15px 30px;
    font-size: 18px;
    width: 100%;
    max-width: 300px;
    cursor: pointer;
    margin-bottom: 15px;
    transition: background-color 0.3s;
}

.pay-button:hover {
    background-color: #06ad56;
}

.tips {
    font-size: 14px;
    color: #999;
}

/* Loading overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 4px solid #fff;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

.loading-overlay p {
    color: white;
    font-size: 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error container */
.error-container {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    width: 80%;
    max-width: 300px;
    text-align: center;
}

.error-container.show {
    display: block;
}

.error-container p {
    margin-bottom: 15px;
    color: #333;
}

.dismiss-button {
    background-color: #07c160;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 15px;
    cursor: pointer;
}