/* NBQWX 现代化前端样式 */
:root {
    --primary-color: #4a90e2;
    --primary-hover: #357abd;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --border-color: #e0e0e0;
    --text-color: #333;
    --text-muted: #6c757d;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

.nbqwx-container {
    max-width: 900px;
    margin: 30px auto;
    padding: 0;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* 头部标题区域 */
.nbqwx-header {
    background: linear-gradient(135deg, var(--primary-color), #6c5ce7);
    color: #fff;
    padding: 30px;
    text-align: center;
}

.nbqwx-title {
    font-size: 28px;
    margin: 0 0 10px;
    font-weight: 700;
}

.nbqwx-subtitle {
    font-size: 14px;
    opacity: 0.9;
    margin: 0;
}

/* 表单主体 */
.nbqwx-form-wrapper {
    padding: 30px;
}

.nbqwx-form {
    width: 100%;
}

.nbqwx-step-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    padding: 0;
    list-style: none;
}

.nbqwx-step-indicator li {
    position: relative;
    padding: 0 30px 0 0;
    font-size: 14px;
    color: var(--text-muted);
}

.nbqwx-step-indicator li::before {
    content: attr(data-step);
    position: absolute;
    left: -30px;
    top: 0;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    background: var(--border-color);
    color: var(--text-muted);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
}

.nbqwx-step-indicator li.active {
    color: var(--primary-color);
    font-weight: 600;
}

.nbqwx-step-indicator li.active::before {
    background: var(--primary-color);
    color: #fff;
}

.nbqwx-step-indicator li.completed {
    color: var(--success-color);
}

.nbqwx-step-indicator li.completed::before {
    content: '✓';
    background: var(--success-color);
    color: #fff;
}

/* 字段组 */
.nbqwx-field-group {
    margin-bottom: 30px;
    padding: 25px;
    background: var(--light-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.nbqwx-field-group-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 20px;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nbqwx-field-group-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* 字段样式 */
.nbqwx-field {
    margin-bottom: 20px;
}

.nbqwx-field:last-child {
    margin-bottom: 0;
}

.nbqwx-field label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 14px;
}

.nbqwx-field label .required {
    color: var(--danger-color);
    margin-left: 4px;
}

.nbqwx-field .help-text {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 5px;
    line-height: 1.5;
}

.nbqwx-field input[type="text"],
.nbqwx-field input[type="url"],
.nbqwx-field input[type="email"],
.nbqwx-field input[type="search"],
.nbqwx-field input[type="number"],
.nbqwx-field input[type="password"],
.nbqwx-field input[type="file"],
.nbqwx-field select,
.nbqwx-field textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    color: var(--text-color);
    background: #fff;
    transition: var(--transition);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.nbqwx-field input:focus,
.nbqwx-field select:focus,
.nbqwx-field textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.nbqwx-field input::placeholder,
.nbqwx-field textarea::placeholder {
    color: #aaa;
}

/* 多选分类 */
.nbqwx-field .category-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px;
    background: #fff;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    max-height: 200px;
    overflow-y: auto;
}

.nbqwx-field .category-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--light-color);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.nbqwx-field .category-checkbox:hover {
    background: #e9ecef;
}

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

.nbqwx-field .category-checkbox span {
    font-size: 14px;
    color: var(--text-color);
}

/* 单选按钮组 */
.nbqwx-radio-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.nbqwx-radio-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    background: #fff;
}

.nbqwx-radio-item:hover {
    border-color: var(--primary-color);
    background: rgba(74, 144, 226, 0.05);
}

.nbqwx-radio-item input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.nbqwx-radio-item span {
    font-size: 14px;
    color: var(--text-color);
}

/* 编辑器切换选项卡 */
.nbqwx-editor-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.nbqwx-editor-tab {
    padding: 12px 24px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition);
}

.nbqwx-editor-tab:hover {
    color: var(--primary-color);
}

.nbqwx-editor-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nbqwx-editor-content {
    display: none;
}

.nbqwx-editor-content.active {
    display: block;
}

/* 文件上传区域 */
.nbqwx-upload-area {
    position: relative;
    padding: 30px;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    background: #fafafa;
}

.nbqwx-upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(74, 144, 226, 0.05);
}

.nbqwx-upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(74, 144, 226, 0.1);
}

.nbqwx-upload-icon {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.nbqwx-upload-text {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.nbqwx-upload-button {
    display: inline-block;
    padding: 10px 20px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.nbqwx-upload-button:hover {
    background: var(--primary-hover);
}

.nbqwx-upload-preview {
    margin-top: 15px;
    text-align: center;
}

.nbqwx-upload-preview img {
    max-width: 200px;
    max-height: 200px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* 提交按钮 */
.nbqwx-form-actions {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.nbqwx-submit {
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: 14px 40px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.3);
}

.nbqwx-submit:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
    transform: translateY(-2px);
}

.nbqwx-submit:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
}

/* 通知样式 */
.nbqwx-notice {
    padding: 15px 20px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    line-height: 1.6;
}

.nbqwx-notice::before {
    font-size: 20px;
    font-weight: bold;
}

.nbqwx-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.nbqwx-success::before {
    content: '✓';
}

.nbqwx-error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.nbqwx-error::before {
    content: '✕';
}

.nbqwx-warning {
    background: #fff3cd;
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.nbqwx-warning::before {
    content: '!';
}

.nbqwx-notice a {
    color: inherit;
    text-decoration: underline;
    font-weight: 600;
    margin-left: auto;
}

/* 加载状态 */
.nbqwx-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: nbqwx-spin 0.8s linear infinite;
}

@keyframes nbqwx-spin {
    to { transform: rotate(360deg); }
}

/* WordPress编辑器样式调整 */
.nbqwx-form .wp-editor-wrap {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.nbqwx-form .wp-editor-wrap:focus-within {
    border-color: var(--primary-color);
}

.nbqwx-form .wp-editor-container {
    border-top: none;
}

.nbqwx-form .quicktags-toolbar {
    background: var(--light-color);
    border-bottom: 1px solid var(--border-color);
}

.nbqwx-form .mce-toolbar {
    background: var(--light-color);
    border-bottom: 1px solid var(--border-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nbqwx-container {
        margin: 15px;
    }

    .nbqwx-header {
        padding: 20px;
    }

    .nbqwx-title {
        font-size: 22px;
    }

    .nbqwx-form-wrapper {
        padding: 20px;
    }

    .nbqwx-field-group {
        padding: 15px;
    }

    .nbqwx-form-actions {
        flex-direction: column;
    }

    .nbqwx-submit {
        width: 100%;
    }

    .nbqwx-radio-group,
    .category-checkboxes {
        flex-direction: column;
    }
}

/* 动画效果 */
.nbqwx-fade-in {
    animation: nbqwx-fadeIn 0.5s ease-in;
}

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

/* 工具提示 */
.nbqwx-tooltip {
    position: relative;
    display: inline-block;
}

.nbqwx-tooltip .tooltip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: var(--text-muted);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
    cursor: help;
    margin-left: 5px;
}

.nbqwx-tooltip .tooltip-text {
    visibility: hidden;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-color);
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    white-space: nowrap;
    z-index: 1000;
    opacity: 0;
    transition: var(--transition);
}

.nbqwx-tooltip .tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--dark-color);
}

.nbqwx-tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}