.seventrack-form {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background: #f5f5f5;
    border-radius: 8px;
}

.seventrack-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.seventrack-form input[type="text"],
.seventrack-form input[type="number"] {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.tracking-info {
    margin-top: 20px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tracking-info ul {
    list-style: none;
    padding-left: 0;
}

.tracking-info li {
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.error {
    color: #dc3545;
    padding: 10px;
    background: #f8d7da;
    border-radius: 4px;
}

.seventrack-register-form {
    margin: 30px 0;
    padding: 20px;
    background: #fff;
    border: 1px solid #e5e5e5;
}

.success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
}

.seventrack-test-area {
    margin-top: 40px;
    padding: 25px;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.tracking-details {
    padding: 20px;
    border: 1px solid #ccd0d4;
}

.status-box {
    padding: 15px;
    background: #f8f9fa;
    border-left: 4px solid #007cba;
    margin: 15px 0;
}

.timeline {
    border-left: 2px solid #007cba;
    padding-left: 25px;
}

.timeline-item {
    position: relative;
    margin-bottom: 20px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: #007cba;
    border-radius: 50%;
}

.timeline-time {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 5px;
}

.loading {
    color: #007cba;
    padding: 10px;
    background: url(../wp-admin/images/spinner-2x.gif) no-repeat left center/20px 20px;
    padding-left: 30px;
}

.optional {
    color: #666;
    font-size: 0.9em;
}

/* 使用说明样式 */
.usage-instructions {
    background: #f8f9fa;
    border-radius: 5px;
    padding: 20px;
    margin: 30px 0;
}

.usage-box {
    background: white;
    border: 1px solid #ccd0d4;
    padding: 20px;
    margin: 15px 0;
}

.usage-box h3 {
    color: #1d2327;
    margin-top: 0;
}

.usage-box code {
    background: #f0f0f1;
    padding: 2px 5px;
    border-radius: 3px;
}

.usage-box pre {
    background: #f6f7f7;
    padding: 15px;
    overflow: auto;
}

.usage-note {
    background: #fff8e5;
    border-left: 4px solid #ffb900;
    padding: 10px 15px;
    margin-top: 20px;
}

/* 预填字段的只读状态 */
input[readonly] {
    background-color: #f8f9fa;
    border-color: #ddd;
    cursor: not-allowed;
}

/* 完全隐藏运输商代码相关元素 */
input[name="carrier_code"],
label[for="carrier_code"],
.optional {
    display: none !important;
}

.tracking-info-container {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 5px;
    margin-top: 10px;
}

.tracking-info-container h3 {
    margin-top: 0;
    color: #333;
}

.tracking-events {
    list-style: none;
    padding-left: 0;
}

.tracking-events li {
    margin-bottom: 15px;
    padding-left: 20px;
    border-left: 2px solid #0073aa;
}

.tracking-events li strong {
    color: #0073aa;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .welcome-message {
        font-size: 14px;
    }

    .order-info, .tracking-info-container {
        padding: 15px;
    }

    .quality-files {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }

    .tracking-events li {
        padding-left: 15px;
        margin-bottom: 10px;
    }

    .order-info-container {
        flex-direction: row;
        gap: 10px;
    }

    .order-card, .tracking-card {
        flex: 1 1 calc(50% - 5px);
        padding: 15px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .order-card h3, .tracking-card h3 {
        font-size: 14px;
        color: #666;
        margin: 0;
    }

    .order-card p, .tracking-card p {
        font-size: 16px;
        color: #333;
        margin: 0;
    }

    .tracking-info-container {
        padding: 12px;
    }

    .tracking-info-container h3 {
        font-size: 14px;
    }

    .tracking-info-container p {
        font-size: 12px;
    }

    .tracking-events li {
        padding-left: 12px;
        margin-bottom: 8px;
    }
}