/* 管理后台样式 */

.admin-container {
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: env(safe-area-inset-bottom);
}

.admin-main {
    padding: 25px;
}

.admin-card {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.admin-card.hidden {
    display: none;
}

.admin-card h2 {
    font-size: 1.4rem;
    margin-bottom: 6px;
}

.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.admin-toolbar h2 {
    margin-bottom: 0;
}

.admin-tip {
    font-size: 0.85rem;
    color: #888;
    margin: 4px 0 12px;
}

.admin-section {
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.admin-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.admin-section h3 {
    font-size: 1.1rem;
    color: #667eea;
    margin-bottom: 16px;
}

.admin-section h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: #555;
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    font-size: max(16px, 1rem);
    background: white;
    transition: all 0.3s;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 400;
    color: #333;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.lang-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 16px;
}

.lang-list {
    max-height: 260px;
    overflow-y: auto;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 10px 12px;
}

.lang-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 4px;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.2s;
}

.lang-check:hover {
    background: #f5f6ff;
}

.lang-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    flex-shrink: 0;
}

/* "自动检测"源语言选项：置顶高亮 */
.lang-check-auto {
    font-weight: 600;
    color: #667eea;
    padding: 8px 6px;
    margin-bottom: 4px;
    border-bottom: 1px dashed #e0e0e6;
}

.lang-check-auto ~ .lang-check {
    color: #555;
}

.lang-check-auto ~ .lang-check input[type="checkbox"]:disabled {
    cursor: not-allowed;
    opacity: 0.35;
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
}

.back-link {
    color: #667eea;
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
}

.back-link:hover {
    text-decoration: underline;
}

/* 平板 / 移动端适配 */
@media (max-width: 768px) {
    .admin-main {
        padding: 15px;
    }

    .admin-card {
        padding: 18px;
    }

    .lang-columns {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .form-actions .back-link {
        text-align: center;
    }
}

/* ============ 多 API 密钥配置 ============ */
.api-key-list {
    margin-bottom: 12px;
}

.api-key-row {
    border: 2px solid #e8e8f0;
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 12px;
    background: #fafaff;
    position: relative;
}

.api-key-row .ak-remove {
    margin-top: 4px;
}

.api-key-row .ak-remove:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============ 开放 API 密钥行 ============ */
.api-open-row .ok-key-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.api-open-row .ok-key-group input {
    flex: 1;
    min-width: 0;
}

.api-open-row .ok-key-group .ok-generate {
    white-space: nowrap;
}

#addApiKeyBtn {
    margin-bottom: 20px;
}

/* ============ API 剩余额度 ============ */
.usage-panel {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px dashed #e0e0e0;
}

.usage-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.usage-card {
    border: 2px solid #e8e8f0;
    border-radius: 12px;
    padding: 12px 14px;
    background: white;
}

.usage-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.usage-name {
    font-weight: 600;
    color: #333;
}

.usage-key {
    font-size: 0.8rem;
    color: #999;
    font-family: monospace;
}

.usage-bar {
    height: 10px;
    background: #f0f0f5;
    border-radius: 6px;
    overflow: hidden;
}

.usage-fill {
    height: 100%;
    border-radius: 6px;
    background: #667eea;
    transition: width 0.4s ease;
}

.usage-text {
    margin-top: 6px;
    font-size: 0.85rem;
    color: #666;
}

.usage-error {
    font-size: 0.85rem;
    color: #e74c3c;
    margin: 0;
}

/* 移动端：API 密钥行内按钮布局 */
@media (max-width: 480px) {
    .api-key-row {
        padding: 12px;
    }
}