/**
 * 问卷表单 — 前台与后台样式
 * 颜色全部走 --mn-* 变量（含浅色 fallback），双主题自适应。
 * @file plugins/form_builder/assets/style.css
 */

/* ===== 前台容器 =====
   规范 §6.4-2：`.mn-section` 铺满中栏、自身不限宽也不带内边距，
   宽度与内边距统一由内层 `.fb-wrap` 承担（1080px 站内统一口径）。
   `.fb-wrap-narrow` 是「表单填写/提交结果」的显式例外（760px）。
   ⚠️ `.fb-page` 这个名字被下方「分页链接」占用，容器不沿用该名字。 */
.fb-wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 16px 20px 24px;
}

.fb-wrap-narrow {
    max-width: 760px;
}

@media (max-width: 860px) {
    .fb-wrap {
        padding: 14px 14px 18px;
    }
}

.fb-header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ===== 按钮 ===== */
.fb-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 13px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 7px;
    background: var(--mn-bg-card, #ffffff);
    font-size: 13px;
    color: var(--mn-text, #111827);
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.fb-btn:hover {
    background: var(--mn-bg-nav-hover, #f3f4f6);
}

.fb-btn-primary {
    border-color: var(--mn-primary, #4f46e5);
    background: var(--mn-primary, #4f46e5);
    color: var(--mn-text-white, #ffffff);
}

.fb-btn-primary:hover {
    border-color: var(--mn-primary-hover, #4338ca);
    background: var(--mn-primary-hover, #4338ca);
    /* 核心 a:hover 会把 <a> 文字色改为 primary-hover，与背景同色导致文字消失 */
    color: var(--mn-text-white, #ffffff);
}

.fb-btn-ghost {
    background: transparent;
    color: var(--mn-text-secondary, #6b7280);
}

/* ===== Tab ===== */
.fb-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0 0 16px;
    padding: 3px;
    border-radius: 8px;
    background: var(--mn-bg-body, #f3f4f6);
}

.fb-tab {
    padding: 7px 13px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--mn-text-secondary, #6b7280);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.fb-tab:hover {
    color: var(--mn-text, #111827);
}

.fb-tab-on {
    background: var(--mn-bg-card, #ffffff);
    color: var(--mn-primary, #4f46e5);
    font-weight: 600;
    box-shadow: var(--mn-shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.06));
}

/* ===== 状态 ===== */
.fb-status {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 11.5px;
    line-height: 1.6;
    white-space: nowrap;
}

.fb-status-open {
    background: var(--mn-primary-subtle, #eef2ff);
    color: var(--mn-primary, #4f46e5);
}

.fb-status-closed {
    background: var(--mn-bg-body, #f3f4f6);
    color: var(--mn-text-muted, #9ca3af);
}

.fb-tag {
    padding: 1px 8px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 5px;
    font-size: 11.5px;
    color: var(--mn-text-secondary, #6b7280);
    white-space: nowrap;
}

/* ===== 列表卡 ===== */
.fb-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.fb-card {
    padding: 14px 16px;
    margin: 0 0 10px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 10px;
    background: var(--mn-bg-card, #ffffff);
    transition: border-color 0.15s;
}

.fb-card:hover {
    border-color: var(--mn-primary, #4f46e5);
}

.fb-card-open {
    border-left: 3px solid var(--mn-primary, #4f46e5);
}

.fb-card-top {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.fb-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--mn-text, #111827);
    text-decoration: none;
}

.fb-card-title:hover {
    color: var(--mn-primary, #4f46e5);
}

.fb-card-desc {
    margin: 8px 0 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--mn-text-secondary, #6b7280);
}

.fb-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-top: 9px;
    font-size: 12px;
    color: var(--mn-text-muted, #9ca3af);
}

.fb-reason {
    color: var(--mn-warning, #d97706);
}

.fb-mini-link {
    color: var(--mn-text-link, #2563eb);
    text-decoration: none;
}

.fb-mini-link:hover {
    text-decoration: underline;
}

/* ===== 空态 ===== */
.fb-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 44px 20px;
    text-align: center;
    color: var(--mn-text-muted, #9ca3af);
}

.fb-empty p {
    margin: 0;
    font-size: 13px;
}

/* ===== 分页 ===== */
.fb-pager {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 16px;
}

.fb-page,
.fb-page-on {
    display: inline-block;
    min-width: 30px;
    padding: 5px 9px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 6px;
    font-size: 12px;
    text-align: center;
    text-decoration: none;
}

.fb-page {
    color: var(--mn-text-secondary, #6b7280);
}

.fb-page:hover {
    background: var(--mn-bg-nav-hover, #f3f4f6);
}

.fb-page-on {
    border-color: var(--mn-primary, #4f46e5);
    background: var(--mn-primary, #4f46e5);
    color: var(--mn-text-white, #ffffff);
}

/* ===== 填写页 ===== */
.fb-desc {
    padding: 12px 14px;
    margin: 0 0 14px;
    border-left: 3px solid var(--mn-primary, #4f46e5);
    border-radius: 0 8px 8px 0;
    background: var(--mn-primary-subtle, #eef2ff);
    font-size: 13px;
    line-height: 1.7;
    color: var(--mn-text, #111827);
}

.fb-meta-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    margin: 0 0 16px;
    border-radius: 8px;
    background: var(--mn-bg-body, #f9fafb);
    font-size: 12px;
    color: var(--mn-text-muted, #9ca3af);
}

.fb-notice {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    padding: 12px 14px;
    margin: 0 0 16px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.7;
}

.fb-notice-done {
    background: var(--mn-bg-row-hover, #ecfdf5);
    color: var(--mn-success, #16a34a);
}

.fb-notice-closed {
    background: var(--mn-bg-body, #f3f4f6);
    color: var(--mn-text-muted, #9ca3af);
}

.fb-form {
    margin: 0;
}

.fb-q {
    padding: 14px 0;
    border-bottom: 1px solid var(--mn-border-light, #f0f0f0);
}

.fb-q:last-of-type {
    border-bottom: 0;
}

.fb-q-label {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.6;
    color: var(--mn-text, #111827);
}

.fb-q-no {
    color: var(--mn-text-muted, #9ca3af);
    font-weight: 400;
}

.fb-req {
    color: var(--mn-warning, #d97706);
}

.fb-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.fb-opt {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 8px;
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--mn-text, #111827);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.fb-opt:hover {
    border-color: var(--mn-primary, #4f46e5);
}

.fb-opt input {
    margin-top: 3px;
    accent-color: var(--mn-primary, #4f46e5);
}

.fb-opt:has(input:checked) {
    border-color: var(--mn-primary, #4f46e5);
    background: var(--mn-primary-subtle, #eef2ff);
}

.fb-rating {
    display: flex;
    gap: 6px;
}

.fb-star {
    cursor: pointer;
}

.fb-star input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.fb-star span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 8px;
    font-size: 13px;
    color: var(--mn-text-secondary, #6b7280);
    transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.fb-star:hover span {
    border-color: var(--mn-primary, #4f46e5);
}

.fb-star input:checked + span {
    border-color: var(--mn-primary, #4f46e5);
    background: var(--mn-primary, #4f46e5);
    color: var(--mn-text-white, #ffffff);
}

.fb-textarea {
    width: 100%;
    resize: vertical;
    line-height: 1.7;
}

.fb-hint {
    margin: 6px 0 0;
    font-size: 12px;
    color: var(--mn-text-muted, #9ca3af);
}

.fb-form-foot {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.fb-result-link {
    margin: 18px 0 0;
    font-size: 13px;
}

.fb-result-link a {
    color: var(--mn-text-link, #2563eb);
    text-decoration: none;
}

.fb-result-link a:hover {
    text-decoration: underline;
}

/* ===== 统计 ===== */
.fb-total {
    margin: 0 0 16px;
    font-size: 13px;
    color: var(--mn-text-secondary, #6b7280);
}

.fb-stats {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.fb-stat {
    padding: 14px 16px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 10px;
    background: var(--mn-bg-card, #ffffff);
}

.fb-stat-q {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0 0 12px;
    font-size: 13.5px;
    font-weight: 600;
    line-height: 1.6;
    color: var(--mn-text, #111827);
}

.fb-stat-n {
    margin-left: auto;
    font-size: 11.5px;
    font-weight: 400;
    color: var(--mn-text-muted, #9ca3af);
}

.fb-bar-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.fb-bar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 12.5px;
}

.fb-bar-item:last-child {
    margin-bottom: 0;
}

.fb-bar-label {
    flex: 0 0 auto;
    min-width: 84px;
    max-width: 40%;
    color: var(--mn-text, #111827);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fb-bar-track {
    flex: 1;
    height: 8px;
    border-radius: 999px;
    background: var(--mn-bg-body, #f3f4f6);
    overflow: hidden;
}

.fb-bar-fill {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: var(--mn-primary, #4f46e5);
    width: 0;
    transition: width 0.4s ease;
}

.fb-bar-num {
    flex: 0 0 auto;
    min-width: 62px;
    text-align: right;
    color: var(--mn-text-secondary, #6b7280);
}

.fb-bar-num em {
    font-style: normal;
    color: var(--mn-text-muted, #9ca3af);
}

.fb-avg {
    margin: 0 0 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--mn-primary, #4f46e5);
}

.fb-text-n {
    margin: 0;
    font-size: 12.5px;
    color: var(--mn-text-muted, #9ca3af);
}

.fb-samples {
    margin: 10px 0 0;
    padding-left: 18px;
    font-size: 12.5px;
    line-height: 1.8;
    color: var(--mn-text-secondary, #6b7280);
}

/* ===== 后台 ===== */
.fb-adm-card {
    padding: 18px 20px;
    margin: 0 0 18px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 10px;
    background: var(--mn-bg-card, #ffffff);
}

.fb-adm-h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
    font-size: 15px;
    font-weight: 600;
    color: var(--mn-text, #111827);
}

.fb-adm-count,
.fb-adm-badge {
    padding: 1px 8px;
    border-radius: 999px;
    background: var(--mn-primary-subtle, #eef2ff);
    font-size: 12px;
    font-weight: 500;
    color: var(--mn-primary, #4f46e5);
}

.fb-adm-row {
    padding: 10px 0;
    border-bottom: 1px dashed var(--mn-border-light, #f0f0f0);
}

.fb-adm-check {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    color: var(--mn-text, #111827);
    cursor: pointer;
}

.fb-adm-check input {
    width: 15px;
    height: 15px;
    accent-color: var(--mn-primary, #4f46e5);
}

.fb-adm-checks {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    padding: 14px 0;
    margin: 14px 0;
    border-top: 1px dashed var(--mn-border-light, #f0f0f0);
    border-bottom: 1px dashed var(--mn-border-light, #f0f0f0);
}

.fb-adm-field {
    margin: 14px 0;
}

.fb-adm-field > label {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 5px;
    font-size: 13px;
    color: var(--mn-text, #111827);
}

.fb-adm-input {
    padding: 7px 10px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 6px;
    background: var(--mn-bg-input, #ffffff);
    font-size: 13px;
    color: var(--mn-text, #111827);
    max-width: 220px;
}

.fb-adm-wide {
    width: 100%;
    max-width: 100%;
}

.fb-adm-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12.5px;
    line-height: 1.6;
    resize: vertical;
}

.fb-adm-input:focus {
    outline: none;
    border-color: var(--mn-primary, #4f46e5);
}

.fb-adm-desc {
    margin: 4px 0 0;
    font-size: 12px;
    line-height: 1.6;
    color: var(--mn-text-muted, #9ca3af);
}

.fb-adm-example {
    margin: 8px 0 0;
    padding: 10px 12px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 6px;
    background: var(--mn-bg-body, #f9fafb);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
    line-height: 1.6;
    color: var(--mn-text-secondary, #6b7280);
    overflow-x: auto;
    white-space: pre;
}

.fb-adm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 14px;
}

.fb-adm-grid .fb-adm-field {
    margin: 0;
}

.fb-adm-btn {
    display: inline-block;
    padding: 7px 14px;
    border: 1px solid var(--mn-border, #e5e7eb);
    border-radius: 6px;
    background: var(--mn-bg-card, #ffffff);
    font-size: 13px;
    color: var(--mn-text, #111827);
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s;
}

.fb-adm-btn:hover {
    background: var(--mn-bg-nav-hover, #f3f4f6);
}

.fb-adm-btn-primary {
    border-color: var(--mn-primary, #4f46e5);
    background: var(--mn-primary, #4f46e5);
    color: var(--mn-text-white, #ffffff);
}

.fb-adm-btn-primary:hover {
    border-color: var(--mn-primary-hover, #4338ca);
    background: var(--mn-primary-hover, #4338ca);
    /* 同上：防止核心 a:hover 覆盖按钮白字 */
    color: var(--mn-text-white, #ffffff);
}

.fb-adm-btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.fb-adm-btn-danger {
    border-color: var(--mn-warning, #d97706);
    color: var(--mn-warning, #d97706);
}

.fb-adm-btn-danger:hover {
    background: var(--mn-warning, #d97706);
    /* 琥珀色底配深色字：白字在浅琥珀（尤其暗夜主题 #fbbf24）上几乎不可读 */
    color: var(--mn-warning-ink, #111827);
}

.fb-adm-table-wrap {
    overflow-x: auto;
}

.fb-adm-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.fb-adm-table th {
    padding: 9px 10px;
    border-bottom: 1px solid var(--mn-border, #e5e7eb);
    font-size: 12px;
    font-weight: 500;
    text-align: left;
    color: var(--mn-text-muted, #9ca3af);
    white-space: nowrap;
}

.fb-adm-table td {
    padding: 11px 10px;
    border-bottom: 1px solid var(--mn-border-light, #f0f0f0);
    color: var(--mn-text, #111827);
    vertical-align: top;
}

.fb-adm-table tr:last-child td {
    border-bottom: 0;
}

.fb-adm-table a {
    color: var(--mn-text-link, #2563eb);
    text-decoration: none;
}

.fb-adm-table a:hover {
    text-decoration: underline;
}

.fb-adm-dim {
    color: var(--mn-text-secondary, #6b7280);
    white-space: nowrap;
}

.fb-adm-sub {
    margin-top: 3px;
    font-size: 11.5px;
    color: var(--mn-text-muted, #9ca3af);
}

.fb-adm-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    white-space: nowrap;
}

.fb-adm-inline {
    display: inline;
}

.fb-adm-empty {
    padding: 30px 0;
    font-size: 13px;
    text-align: center;
    color: var(--mn-text-muted, #9ca3af);
}

.fb-adm-note {
    margin: 0;
    font-size: 12px;
    line-height: 1.7;
    color: var(--mn-text-muted, #9ca3af);
}

/* ===== 窄屏 ===== */
@media (max-width: 640px) {
    .fb-form-foot .fb-btn {
        flex: 1;
        justify-content: center;
    }

    .fb-bar-label {
        min-width: 64px;
    }

    .fb-adm-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .fb-adm-input {
        max-width: 100%;
    }
}