/**
 * LiteHub 表单系统 - 前台统一样式
 * 供 admin/form/preview、Customer、以及任何使用表单的页面统一引用。
 * 依赖：页面需提供 Bootstrap 基础类（如 .form-control, .btn, .row, .col-*），
 * 若使用主题变量可引用 custom.css 或自行定义 --primary-color 等。
 */

/* ========== 表单容器 ========== */
.litehub-form-wrap {
    max-width: 960px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    border: 1px solid var(--border-color, #dee2e6);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.litehub-form-wrap .card-body,
.litehub-form-wrap .litehub-form-body {
    padding: 1.75rem 2rem;
}

@media (max-width: 576px) {
    .litehub-form-wrap .card-body,
    .litehub-form-wrap .litehub-form-body {
        padding: 1.25rem 1rem;
    }
}

/* 表单标题区（可选） */
.litehub-form-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-text, #343a40);
    margin-bottom: 0.35rem;
}

.litehub-form-desc {
    font-size: 0.9rem;
    color: var(--secondary-color, #6c757d);
    margin-bottom: 1.5rem;
}

/* ========== 字段容器 ========== */
.litehub-form .form-preview-field,
.litehub-form .litehub-form-field {
    margin-bottom: 1.25rem;
    position: relative;
}

.litehub-form .form-preview-field.no-label,
.litehub-form .litehub-form-field.no-label {
    margin-bottom: 1rem;
}

/* 标签与必填星号 */
.litehub-form .form-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--dark-text, #343a40);
    margin-bottom: 0.5rem;
}

.litehub-form .form-label .text-danger {
    margin-left: 1px;
}

/* 水平布局：标签在左、控件在右（与 design/preview 一致） */
.form-preview-field.form-preview-label-horizontal,
.litehub-form-field.form-preview-label-horizontal {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.5rem;
}

.form-preview-field.form-preview-label-horizontal > .form-label,
.litehub-form-field.form-preview-label-horizontal > .form-label {
    flex: 0 0 auto;
    min-width: 100px;
    max-width: 180px;
    margin-bottom: 0;
}

/* 值区域：水平布局时占右侧，内含控件 + 下方 field-error */
.form-preview-field.form-preview-label-horizontal > .form-label + *,
.litehub-form-field.form-preview-label-horizontal > .form-label + *,
.form-preview-field.form-preview-label-horizontal > .litehub-form-field-value,
.litehub-form-field.form-preview-label-horizontal > .litehub-form-field-value {
    flex: 1;
    min-width: 0;
}

.litehub-form .litehub-form-field-value {
    display: block;
}

/* ========== 输入控件 ========== */
.litehub-form .form-control,
.litehub-form .form-select {
    font-size: 0.9375rem;
    min-height: 2.5rem;
}

.litehub-form textarea.form-control {
    min-height: 4rem;
    resize: vertical;
}

.litehub-form .form-control::placeholder {
    color: #6c757d;
    opacity: 0.85;
}

.litehub-form .form-control:disabled,
.litehub-form .form-select:disabled {
    background-color: #e9ecef;
    cursor: not-allowed;
    opacity: 0.9;
}

/* ========== 单选/多选组 ========== */
.litehub-form .form-preview-radios,
.litehub-form .form-preview-checkboxes,
.litehub-form .form-check-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
}

.litehub-form .form-check {
    margin-bottom: 0;
    min-height: 1.5rem;
    display: flex;
    align-items: center;
}

.litehub-form .form-check-input {
    margin-top: 0;
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
    flex-shrink: 0;
}

.litehub-form .form-check-label {
    padding-left: 0.5rem;
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--dark-text, #343a40);
}

/* ========== 列表字段 ========== */
.litehub-form .form-preview-list-table {
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-color, #dee2e6);
    font-size: 0.875rem;
    margin-bottom: 0 !important;
}

.litehub-form .form-preview-list-table thead th {
    background: var(--light-bg, #f8f9fa);
    font-weight: 600;
    font-size: inherit;
    color: var(--dark-text, #343a40);
    border-bottom: 1px solid var(--border-color, #dee2e6);
    padding: 0.65rem 0.75rem;
    text-align: center;
}

.litehub-form .form-preview-list-table tbody td {
    vertical-align: middle;
    border: none;
    font-size: inherit;
}

.litehub-form .form-preview-list-row {
    border-width: 0;
}

.litehub-form .form-preview-list-table .form-control,
.litehub-form .form-preview-list-table .form-select,
.litehub-form .form-preview-list-table .form-check-label {
    font-size: inherit;
}

.litehub-form .form-preview-list-table thead th:last-child,
.litehub-form .form-preview-list-table tbody td:last-child {
    text-align: center;
    vertical-align: middle;
}

.litehub-form .form-preview-list-add-row,
.litehub-form .form-preview-list-remove-row {
    font-size: 0.875rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.litehub-form .form-preview-list-remove-row:hover,
.litehub-form .form-preview-list-remove-row:hover .bi {
    color: #fff !important;
}

/* 列表标签列（每行左侧显示字段标签时） */
.form-preview-list-label-cell,
.litehub-form .form-preview-list-label-cell {
    background-color: #f8f9fa;
    font-weight: 500;
    white-space: nowrap;
}

.litehub-form .form-preview-list-cell-wrap {
    min-width: 100px;
}

/* 列表某列必填未填时的单元格高亮 */
.litehub-form .form-preview-list-cell-wrap.litehub-list-cell-invalid,
.litehub-form .form-preview-list-cell-wrap.litehub-list-cell-invalid .form-control,
.litehub-form .form-preview-list-cell-wrap.litehub-list-cell-invalid .form-select {
    border-color: var(--danger-color, #dc3545);
}

.litehub-form .form-preview-list-actions-cell {
    white-space: nowrap;
}

/* ========== 分节与分隔 ========== */
.litehub-form .form-preview-field[data-field-type="section"] hr,
.litehub-form .litehub-form-section hr {
    border: 0;
    border-top: 1px solid var(--border-color, #dee2e6);
    margin: 1.25rem 0 0.75rem;
}

.litehub-form .form-preview-field[data-field-type="section"] .fw-bold,
.litehub-form .litehub-form-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-text, #343a40);
    margin-bottom: 0.5rem;
}

.litehub-form .form-preview-field[data-field-type="section_break"] hr {
    margin: 1rem 0;
}

.litehub-form .form-preview-html {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--dark-text, #343a40);
}

/* 说明文字 */
.litehub-form .form-preview-field[data-field-type="label"] .text-muted,
.litehub-form .litehub-form-label-only {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ========== 提交按钮区对齐 ========== */
.litehub-form .form-preview-btn-left {
    text-align: left;
}

.litehub-form .form-preview-btn-center {
    text-align: center;
}

.litehub-form .form-preview-btn-right {
    text-align: right;
}

.litehub-form .btn-preview-submit,
.litehub-form .litehub-form-submit {
    min-width: 120px;
    padding: 0.6rem 1.5rem;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.litehub-form .btn-preview-submit:hover,
.litehub-form .litehub-form-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.25);
}

/* ========== 校验错误 ========== */
.litehub-form .form-preview-field-error,
.litehub-form .litehub-form-field-error {
    font-size: 0.8125rem;
    margin-top: 0.35rem;
    display: block;
}

/* 整字段错误状态（单选/多选/列表等） */
.litehub-form .litehub-form-field.litehub-field-invalid .form-label,
.litehub-form .form-preview-field.litehub-field-invalid .form-label {
    color: var(--danger-color, #dc3545);
}

.litehub-form .litehub-form-field.litehub-field-invalid .form-preview-list-table,
.litehub-form .form-preview-field.litehub-field-invalid .form-preview-list-table {
    border-color: var(--danger-color, #dc3545);
}

.litehub-form .form-control.is-invalid,
.litehub-form .form-select.is-invalid {
    border-color: var(--danger-color, #dc3545);
}

.litehub-form .form-control.is-invalid:focus,
.litehub-form .form-select.is-invalid:focus {
    border-color: var(--danger-color, #dc3545);
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.2);
}

.litehub-form-validation-summary {
    border-radius: 6px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
}

/* ========== 只读计算字段 ========== */
.litehub-form .form-preview-calc,
.litehub-form .smart-quote-calc {
    background-color: var(--light-bg, #f8f9fa);
    cursor: default;
}

/* ========== 文件上传 ========== */
.litehub-form input[type="file"].form-control {
    padding: 0.5rem;
    font-size: 0.875rem;
}

/* ========== 底部提示（如预览模式说明） ========== */
.litehub-form-footer-note {
    font-size: 0.8125rem;
    color: var(--secondary-color, #6c757d);
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color, #dee2e6);
}