/*
Theme Name: 卿梦 QingMeng
Theme URI: https://www.qmio.cn
Author: 卿梦 · www.qmio.cn
Description: 卿梦主题 —— 现代化博客 + 社区主题，融合子比（模块化投稿）与比比（瀑布流首页）风格，内置靓号 ID 系统（规则分配、保留池、随机注册编号、渐变金徽章）、REST 媒体上传与 LightSNS 式社区动态流。适配暗色模式与移动端，PHP 8.0+ 兼容。
Version: 2.1.0
Requires at least: 6.0
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: qmio
Tags: blog, community, two-columns, custom-colors, custom-menu, featured-images, translation-ready
*/

/* ============ 设计变量 ============ */
:root {
  --zb-primary: #6c5ce7;
  --zb-primary-2: #a29bfe;
  --zb-bg: #f6f7fb;
  --zb-surface: #ffffff;
  --zb-text: #1f2330;
  --zb-text-2: #6b7280;
  --zb-border: #eceef4;
  --zb-radius: 16px;
  --zb-shadow: 0 4px 24px rgba(31, 35, 48, .06);
  --zb-shadow-hover: 0 10px 32px rgba(108, 92, 231, .16);
}
.dark-mode {
  --zb-bg: #12141c;
  --zb-surface: #1b1e2a;
  --zb-text: #e8eaf2;
  --zb-text-2: #9aa0b4;
  --zb-border: #2a2e3e;
  --zb-shadow: 0 4px 24px rgba(0, 0, 0, .3);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--zb-bg);
  color: var(--zb-text);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--zb-primary); }
img { max-width: 100%; }
.zb-container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ============ 顶部导航 ============ */
.zb-header {
  position: sticky; top: 0; z-index: 999;
  background: color-mix(in srgb, var(--zb-surface) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--zb-border);
}
.zb-header-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.zb-logo { font-size: 22px; font-weight: 800; letter-spacing: -.5px; }
.zb-logo span { background: linear-gradient(120deg, var(--zb-primary), var(--zb-primary-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.zb-nav { display: flex; gap: 6px; flex: 1; }
.zb-nav a { padding: 8px 14px; border-radius: 10px; font-weight: 500; color: var(--zb-text-2); }
.zb-nav a:hover, .zb-nav .current-menu-item > a { background: var(--zb-bg); color: var(--zb-primary); }
.zb-header-actions { display: flex; align-items: center; gap: 10px; }
.zb-btn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  padding: 9px 18px; border: 0; border-radius: 12px; font-size: 14px; font-weight: 600;
  background: linear-gradient(120deg, var(--zb-primary), var(--zb-primary-2));
  color: #fff; transition: transform .15s, box-shadow .2s;
}
.zb-btn:hover { transform: translateY(-1px); box-shadow: var(--zb-shadow-hover); color: #fff; }
.zb-btn-ghost { background: var(--zb-bg); color: var(--zb-text); border: 1px solid var(--zb-border); }
.zb-btn-ghost:hover { color: var(--zb-primary); }
.zb-avatar { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; border: 2px solid var(--zb-border); }

/* ============ 靓号徽章 ============ */
.zb-pretty {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 999px;
  background: linear-gradient(120deg, #ffd76a, #ff9d5c); color: #7a4a00; vertical-align: middle;
}
.zb-pretty.gold { background: linear-gradient(120deg, #ffe9a8, #f5c04e); }

/* ============ 首页 Hero ============ */
.zb-hero { padding: 44px 0 8px; text-align: center; }
.zb-hero h1 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; margin: 0 0 10px; letter-spacing: -1px; }
.zb-hero p { color: var(--zb-text-2); margin: 0 auto; max-width: 560px; }

/* ============ 瀑布流卡片（比比风） ============ */
.zb-masonry { column-count: 4; column-gap: 20px; padding: 32px 0 60px; }
@media (max-width: 1080px) { .zb-masonry { column-count: 3; } }
@media (max-width: 800px)  { .zb-masonry { column-count: 2; } }
@media (max-width: 540px)  { .zb-masonry { column-count: 1; } }
.zb-card {
  display: inline-block; width: 100%; margin: 0 0 20px; break-inside: avoid;
  background: var(--zb-surface); border: 1px solid var(--zb-border); border-radius: var(--zb-radius);
  overflow: hidden; box-shadow: var(--zb-shadow); transition: transform .2s, box-shadow .25s;
}
.zb-card:hover { transform: translateY(-4px); box-shadow: var(--zb-shadow-hover); }
.zb-card-thumb { display: block; aspect-ratio: 16/10; overflow: hidden; background: var(--zb-bg); }
.zb-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.zb-card:hover .zb-card-thumb img { transform: scale(1.05); }
.zb-card-body { padding: 16px; }
.zb-card-title { font-size: 16px; font-weight: 700; margin: 0 0 6px; line-height: 1.4; }
.zb-card-excerpt { font-size: 13px; color: var(--zb-text-2); margin: 0 0 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.zb-card-meta { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--zb-text-2); }
.zb-card-meta .zb-avatar { width: 26px; height: 26px; }
.zb-card-meta .stats { margin-left: auto; display: flex; gap: 12px; }
.zb-card-meta .stats span { display: inline-flex; align-items: center; gap: 4px; }
.zb-card-meta .stats svg { width: 14px; height: 14px; opacity: .65; }

/* ============ 通用两栏布局 ============ */
.zb-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; padding: 28px 0 60px; }
@media (max-width: 960px) { .zb-layout { grid-template-columns: 1fr; } }
.zb-panel { background: var(--zb-surface); border: 1px solid var(--zb-border); border-radius: var(--zb-radius); box-shadow: var(--zb-shadow); }
.zb-widget { padding: 20px; margin-bottom: 20px; }
.zb-widget h3 { margin: 0 0 12px; font-size: 15px; }
.zb-widget ul { list-style: none; margin: 0; padding: 0; }
.zb-widget li { padding: 6px 0; border-bottom: 1px dashed var(--zb-border); font-size: 14px; }

/* ============ 社区动态流（LightSNS 风） ============ */
.zb-composer { padding: 18px; margin-bottom: 20px; }
.zb-composer-row { display: flex; gap: 12px; }
.zb-composer textarea {
  flex: 1; min-height: 84px; resize: vertical; border: 1px solid var(--zb-border);
  border-radius: 12px; padding: 12px; font: inherit; background: var(--zb-bg); color: var(--zb-text); outline: none;
}
.zb-composer textarea:focus { border-color: var(--zb-primary-2); }
.zb-composer-foot { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.zb-composer-foot select {
  padding: 7px 10px; border-radius: 10px; border: 1px solid var(--zb-border);
  background: var(--zb-surface); color: var(--zb-text); font-size: 13px;
}
.zb-composer-foot .zb-btn { margin-left: auto; }
.zb-composer-tip { margin-top: 10px; font-size: 13px; }
.zb-tip-ok { color: #10b981; }
.zb-tip-err { color: #ef4444; }

.zb-feed-item { display: flex; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--zb-border); }
.zb-feed-item:last-child { border-bottom: 0; }
.zb-feed-item .zb-avatar { width: 44px; height: 44px; flex-shrink: 0; }
.zb-feed-main { flex: 1; min-width: 0; }
.zb-feed-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 14px; }
.zb-feed-head .name { font-weight: 700; }
.zb-feed-head .time, .zb-feed-head .badge-cat { font-size: 12px; color: var(--zb-text-2); }
.zb-feed-content { margin: 6px 0 10px; font-size: 15px; white-space: pre-wrap; word-break: break-word; }
.zb-feed-images { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.zb-feed-images img { width: 140px; height: 140px; object-fit: cover; border-radius: 12px; border: 1px solid var(--zb-border); }
.zb-feed-actions { display: flex; gap: 22px; font-size: 13px; color: var(--zb-text-2); }
.zb-feed-actions button { background: none; border: 0; cursor: pointer; font: inherit; color: inherit; display: inline-flex; gap: 5px; align-items: center; padding: 0; }
.zb-feed-actions button.liked { color: #ef4444; }
.zb-feed-actions button:hover { color: var(--zb-primary); }
.zb-feed-title-link { font-weight: 700; font-size: 16px; }

/* ============ 模块化投稿表单（子比风） ============ */
.zb-submit-wrap { max-width: 780px; margin: 0 auto; padding: 28px 0 60px; }
.zb-submit-module { padding: 22px; margin-bottom: 16px; }
.zb-submit-module > label.zb-module-title { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; margin-bottom: 12px; }
.zb-module-title::before { content: ""; width: 4px; height: 16px; border-radius: 2px; background: linear-gradient(var(--zb-primary), var(--zb-primary-2)); }
.zb-input, .zb-select, .zb-submit-module textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--zb-border); border-radius: 12px;
  font: inherit; background: var(--zb-bg); color: var(--zb-text); outline: none; transition: border-color .2s;
}
.zb-input:focus, .zb-select:focus, .zb-submit-module textarea:focus { border-color: var(--zb-primary-2); }
.zb-submit-module textarea { min-height: 320px; resize: vertical; }
.zb-cover-drop {
  display: flex; align-items: center; justify-content: center; gap: 10px; cursor: pointer;
  min-height: 130px; border: 2px dashed var(--zb-border); border-radius: 12px; color: var(--zb-text-2); font-size: 14px;
}
.zb-cover-drop.has-img { border-style: solid; padding: 0; }
.zb-cover-drop img { max-height: 220px; border-radius: 10px; }
.zb-submit-footer { display: flex; gap: 12px; justify-content: flex-end; }
.zb-modules-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.zb-modules-tags label { font-size: 13px; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--zb-border); cursor: pointer; }
.zb-modules-tags label.on, .zb-modules-tags label:hover { border-color: var(--zb-primary); color: var(--zb-primary); }

/* ============ 文章页 ============ */
.zb-single { padding: 28px 0 60px; }
.zb-single-card { padding: 34px; }
.zb-single-title { font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin: 8px 0 14px; letter-spacing: -.5px; }
.zb-single-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 13px; color: var(--zb-text-2); padding-bottom: 18px; border-bottom: 1px solid var(--zb-border); margin-bottom: 22px; }
.zb-entry h2 { font-size: 22px; margin: 30px 0 12px; }
.zb-entry h3 { font-size: 18px; margin: 24px 0 10px; }
.zb-entry p { margin: 0 0 16px; }
.zb-entry blockquote { margin: 16px 0; padding: 12px 18px; border-left: 4px solid var(--zb-primary); background: var(--zb-bg); border-radius: 0 12px 12px 0; color: var(--zb-text-2); }
.zb-entry pre { background: var(--zb-bg); padding: 16px; border-radius: 12px; overflow-x: auto; }
.zb-entry img { border-radius: 12px; }
.zb-entry code { background: var(--zb-bg); padding: 2px 6px; border-radius: 6px; font-size: .9em; }

.zb-author-box { display: flex; gap: 14px; align-items: center; margin-top: 30px; padding: 18px; background: var(--zb-bg); border-radius: var(--zb-radius); }
.zb-author-box .zb-avatar { width: 54px; height: 54px; }

.zb-like-btn { margin-top: 26px; }
.zb-like-btn.liked { background: linear-gradient(120deg, #ef4444, #f97316); }

/* ============ 工具类 ============ */
.zb-muted { color: var(--zb-text-2); font-size: 13px; }
.zb-center { text-align: center; }
.zb-dark-toggle { background: none; border: 1px solid var(--zb-border); border-radius: 10px; width: 36px; height: 36px; cursor: pointer; font-size: 16px; color: var(--zb-text); }
.zb-toast {
  position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%) translateY(20px);
  background: var(--zb-text); color: var(--zb-bg); padding: 10px 20px; border-radius: 999px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: all .3s; z-index: 9999;
}
.zb-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (max-width: 800px) { .zb-nav { display: none; } }

/* ============ 2.1.0 新增：登录注册面板 / 用户菜单 / 用户中心 / 靓号商城 ============ */

/* 用户下拉菜单 */
.zb-user-menu { position: relative; }
.zb-user-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--zb-surface); border: 1px solid var(--zb-border);
  border-radius: 999px; padding: 3px 12px 3px 4px;
  cursor: pointer; color: var(--zb-text); font-size: 14px;
}
.zb-user-btn .zb-avatar { width: 30px; height: 30px; border-radius: 50%; }
.zb-user-drop {
  display: none; position: absolute; right: 0; top: calc(100% + 8px);
  min-width: 160px; background: var(--zb-surface);
  border: 1px solid var(--zb-border); border-radius: 12px;
  box-shadow: 0 12px 32px rgba(31,35,48,.16); padding: 6px; z-index: 110;
}
.zb-user-menu.open .zb-user-drop { display: block; }
.zb-user-drop a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--zb-text); font-size: 14px; }
.zb-user-drop a:hover { background: color-mix(in srgb, var(--zb-primary) 10%, transparent); }

/* 登录 / 注册弹窗 */
.zb-modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; }
.zb-modal[hidden] { display: none; }
.zb-modal-mask { position: absolute; inset: 0; background: rgba(18,20,28,.55); backdrop-filter: blur(4px); }
.zb-modal-panel {
  position: relative; width: min(400px, calc(100vw - 40px));
  background: var(--zb-surface); border: 1px solid var(--zb-border);
  border-radius: 18px; padding: 26px 26px 20px;
  box-shadow: 0 18px 48px rgba(31,35,48,.28);
  animation: zbPop .25s ease;
}
@keyframes zbPop { from { transform: translateY(14px) scale(.97); opacity: 0; } to { transform: none; opacity: 1; } }
.zb-modal-close { position: absolute; top: 10px; right: 14px; background: none; border: none; font-size: 24px; color: var(--zb-text-2); cursor: pointer; }
.zb-tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--zb-border); margin-bottom: 18px; }
.zb-tab {
  background: none; border: none; padding: 10px 16px; font-size: 15px;
  color: var(--zb-text-2); cursor: pointer; border-bottom: 2px solid transparent;
  text-decoration: none;
}
.zb-tab.active { color: var(--zb-primary); border-bottom-color: var(--zb-primary); font-weight: 600; }
.zb-auth-form { display: flex; flex-direction: column; }
.zb-auth-form .zb-input { margin-bottom: 12px; }
.zb-remember { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--zb-text-2); margin-bottom: 12px; }
.zb-btn-block { width: 100%; justify-content: center; }

/* 用户中心 */
.zb-uc-head { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.zb-uc-head .zb-avatar { border-radius: 50%; }
.zb-uc-number {
  font-size: 44px; font-weight: 800; letter-spacing: 4px; margin: 0 0 10px;
  background: linear-gradient(135deg, #f7c948, #f59e0b 45%, #ef7d3b);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* 靓号商城 */
.zb-shop-filters label { display: flex; flex-direction: column; font-size: 13px; }
.zb-shop-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; margin-top: 20px; padding-bottom: 50px; }
.zb-shop-card { padding: 20px; text-align: center; }
.zb-shop-number { font-size: 26px; font-weight: 800; letter-spacing: 2px; margin: 0 0 8px; }
.zb-shop-meta { display: flex; justify-content: center; gap: 8px; margin: 0 0 8px; align-items: center; }
.zb-shop-price { font-size: 18px; font-weight: 700; color: #ef4444; margin: 0 0 14px; }
.dark-mode .zb-shop-price { color: #f87171; }

@media (max-width: 720px) {
  .zb-user-name { display: none; }
  .zb-shop-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}