/* PLUS API 前台樣式 */
.plus-api-frontend {
    max-width: 700px;
    margin: 20px auto;
    padding: 25px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.plus-api-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #007bff;
    flex-wrap: wrap;
    gap: 10px;
}

.plus-api-frontend h2 {
    margin: 0;
    color: #333;
    font-size: 24px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #666;
}

.logout-btn {
    padding: 8px 16px;
    background: #dc3545;
    color: #fff !important;
    text-decoration: none !important;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.3s;
}

.logout-btn:hover {
    background: #c82333;
    color: #fff !important;
}

.plus-api-frontend h3 {
    margin: 0 0 20px 0;
    color: #444;
    font-size: 18px;
}

.plus-api-frontend h4 {
    margin: 15px 0 10px 0;
    color: #555;
    font-size: 16px;
}

/* 頁籤 */
.plus-api-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 20px;
    border: none;
    background: #f0f0f0;
    color: #666;
    cursor: pointer;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.tab-btn:hover {
    background: #e0e0e0;
}

.tab-btn.active {
    background: #007bff;
    color: #fff;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 表單樣式 */
.plus-api-form {
    margin-bottom: 15px;
}

.form-row {
    margin-bottom: 15px;
}

.form-row label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #444;
    font-size: 14px;
}

.form-row input[type="text"],
.form-row input[type="number"],
.form-row input[type="url"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.form-row input:focus {
    outline: none;
    border-color: #007bff;
}

.form-row small {
    display: block;
    margin-top: 5px;
    color: #888;
    font-size: 12px;
}

.input-group {
    display: flex;
    gap: 10px;
}

.input-group input {
    flex: 1;
}

.btn-generate {
    padding: 12px 20px;
    background: #6c757d;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    white-space: nowrap;
}

.btn-generate:hover {
    background: #5a6268;
}

.btn-submit {
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,123,255,0.4);
}

.btn-submit:disabled {
    background: #ccc;
    transform: none;
    box-shadow: none;
    cursor: not-allowed;
}

/* 查詢區塊 */
.query-section {
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.inline-form {
    display: flex;
    gap: 10px;
}

.inline-form input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
}

.btn-query {
    padding: 12px 25px;
    background: #28a745;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
}

.btn-query:hover {
    background: #218838;
}

/* 結果顯示 */
.result-box {
    margin-top: 15px;
    padding: 20px;
    background: #f8f9fa;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    overflow-x: auto;
}

.result-box.success {
    background: #d4edda;
    border-color: #28a745;
}

.success-box {
    padding: 15px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #28a745;
}

.success-box h4 {
    margin: 0 0 15px 0;
    color: #28a745;
    font-size: 18px;
}

.success-box p {
    margin: 8px 0;
    font-size: 15px;
}

.success-box p strong {
    display: inline-block;
    width: 100px;
    color: #555;
}

.manual-notice {
    margin-top: 15px;
    padding: 12px 15px;
    background: #fff3cd;
    border: 2px dashed #ffc107;
    border-radius: 8px;
    color: #856404;
    font-weight: 600;
    text-align: center;
    font-size: 15px;
}

.pay-url-display {
    display: flex;
    gap: 10px;
    margin: 10px 0;
}

.pay-url-display input {
    flex: 1;
    padding: 10px 12px;
    border: 2px solid #28a745;
    border-radius: 6px;
    font-size: 13px;
    background: #f8f9fa;
    color: #333;
}

.pay-url-display .copy-btn {
    padding: 10px 15px;
    background: #28a745;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    white-space: nowrap;
}

.pay-url-display .copy-btn:hover {
    background: #218838;
}

.result-box.error {
    background: #f8d7da;
    border-color: #dc3545;
}

.result-box pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-size: 13px;
    line-height: 1.5;
}

.result-box .pay-url-box {
    margin-top: 15px;
    padding: 15px;
    background: #fff;
    border: 2px dashed #007bff;
    border-radius: 8px;
}

.result-box .pay-url-box strong {
    display: block;
    margin-bottom: 10px;
    color: #007bff;
}

.result-box .pay-url-box a {
    color: #007bff;
    word-break: break-all;
    font-weight: 500;
}

.result-box .copy-btn {
    margin-top: 10px;
    padding: 8px 15px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 13px;
}

.result-box .copy-btn:hover {
    background: #0056b3;
}

/* 商戶資訊 */
.merchant-info-box {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.merchant-info-item {
    padding: 20px;
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    text-align: center;
}

.merchant-info-item label {
    display: block;
    font-size: 13px;
    color: #888;
    margin-bottom: 8px;
}

.merchant-info-item .value {
    font-size: 20px;
    font-weight: bold;
    color: #333;
}

.merchant-info-item .value.balance {
    color: #28a745;
    font-size: 24px;
}

/* 狀態說明 */
.status-legend {
    margin-top: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.legend-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.legend-col ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0 0;
}

.legend-col li {
    padding: 5px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
    color: #fff;
}

.status-badge.pending { background: #ffc107; color: #333; }
.status-badge.success { background: #28a745; }
.status-badge.cancelled { background: #dc3545; }
.status-badge.warning { background: #fd7e14; }
.status-badge.info { background: #17a2b8; }
.status-badge.processing { background: #6c757d; }
.status-badge.matching { background: #6f42c1; }

/* 錯誤訊息 */
.plus-api-error {
    padding: 20px;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    color: #721c24;
    text-align: center;
}

/* RWD */
@media (max-width: 600px) {
    .plus-api-frontend {
        margin: 10px;
        padding: 15px;
    }
    
    .plus-api-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        text-align: center;
    }
    
    .merchant-info-box {
        grid-template-columns: 1fr;
    }
    
    .legend-grid {
        grid-template-columns: 1fr;
    }
    
    .inline-form {
        flex-direction: column;
    }
}