/*
Theme Name: 甜剧库 Ku
Theme URI: https://tianjuku.com/
Author: SD Network
Description: 资料库风格短剧主题：淡紫纸面、衬线标题、目录式索引与侧栏检索。适用于甜剧库（tianjuku.com）。
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.1
Text Domain: sd-ku
*/
:root {
  --paper: #f7f5fb; --card: #ffffff; --line: #e4def0; --ink: #262036; --muted: #726a87;
  --accent: #8b5cf6; --accent-2: #c084fc; --accent-soft: rgba(139,92,246,.12);
  --radius: 8px; --wrap: 1160px; --serif: "Noto Serif SC", "Songti SC", Georgia, serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.75 "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: #6d28d9; }
button { font: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--accent); color: #fff; padding: 9px 16px; border-radius: 6px; z-index: 99; }
.skip:focus { top: 12px; }

.uk-head { background: rgba(247,245,251,.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 60; }
.uk-head__in { display: flex; align-items: center; gap: 22px; height: 68px; }
.uk-logo { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 21px; font-weight: 700; letter-spacing: .1em; }
.uk-logo__mark { width: 32px; height: 32px; border: 1.5px solid var(--accent); color: var(--accent); display: grid; place-items: center; font-size: 16px; border-radius: 4px; }
.uk-nav { display: flex; gap: 18px; margin-left: auto; font-size: 14.5px; color: var(--muted); }
.uk-nav a { padding: 4px 0; border-bottom: 1px solid transparent; }
.uk-nav a:hover, .uk-nav a[aria-current="page"] { color: var(--ink); border-color: var(--accent); }
.uk-tools { display: flex; gap: 8px; }
.uk-icon-btn { width: 36px; height: 36px; border: 1px solid var(--line); background: #fff; border-radius: 6px; display: grid; place-items: center; cursor: pointer; color: var(--ink); }
.uk-icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.uk-menu-btn { display: none; }
.uk-search { position: fixed; inset: 0; z-index: 90; display: none; background: rgba(38,32,54,.4); padding: 100px 20px; }
.uk-search.is-open { display: block; }
.uk-search form { max-width: 620px; margin: 0 auto; display: flex; background: #fff; border: 1px solid var(--line); padding: 8px; border-radius: 8px; }
.uk-search input { flex: 1; border: 0; outline: none; padding: 8px 10px; font-size: 17px; background: transparent; }
.uk-search button { border: 0; background: var(--accent); color: #fff; padding: 10px 20px; border-radius: 6px; cursor: pointer; }
.uk-search__hint { max-width: 620px; margin: 16px auto 8px; color: #fff; font-size: 13px; }
.uk-tags { max-width: 620px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 8px; }
.uk-tags a { background: #fff; border-radius: 6px; padding: 6px 12px; font-size: 13.5px; }
.uk-drawer { position: fixed; inset: 0 0 0 auto; width: min(300px, 80vw); background: #fff; z-index: 95; transform: translateX(102%); transition: transform .22s; padding: 20px; display: flex; flex-direction: column; gap: 2px; border-left: 1px solid var(--line); }
.uk-drawer.is-open { transform: none; }
.uk-drawer a { padding: 10px 8px; border-bottom: 1px solid var(--line); }
.uk-drawer__close { align-self: flex-end; border: 0; background: none; font-size: 22px; color: var(--muted); cursor: pointer; }

.uk-hero { padding: 50px 0 22px; border-bottom: 1px solid var(--line); }
.uk-hero__kicker { color: var(--accent); letter-spacing: .28em; font-size: 11.5px; margin: 0 0 14px; }
.uk-hero h1 { font-family: var(--serif); margin: 0 0 12px; font-size: clamp(30px, 4.6vw, 48px); line-height: 1.2; letter-spacing: .03em; }
.uk-hero p { color: var(--muted); max-width: 620px; margin: 0 0 20px; }
.uk-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.uk-btn { display: inline-flex; padding: 10px 18px; border: 1px solid var(--line); background: #fff; border-radius: 6px; cursor: pointer; color: var(--ink); }
.uk-btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.uk-btn--primary:hover { color: #fff; background: #7c3aed; }

.uk-cols { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 30px; padding: 28px 0 0; }
.uk-sec { padding-bottom: 26px; }
.uk-sec__head { display: flex; align-items: baseline; justify-content: space-between; border-bottom: 1px solid var(--line); padding-bottom: 8px; margin-bottom: 10px; }
.uk-sec__head h2 { font-family: var(--serif); margin: 0; font-size: 20px; letter-spacing: .06em; }
.uk-sec__head a { font-size: 13px; color: var(--muted); }
.uk-index { display: grid; }
.uk-row { display: grid; grid-template-columns: 44px minmax(0,1fr) 80px; gap: 12px; align-items: center; padding: 11px 2px; border-bottom: 1px dotted var(--line); }
.uk-row:hover { background: var(--accent-soft); }
.uk-row i { font-style: normal; font-family: var(--serif); color: var(--muted); font-size: 14px; }
.uk-row b { font-size: 15px; font-weight: 600; }
.uk-row span { display: block; color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.uk-row em { font-style: normal; color: var(--accent); font-size: 12.5px; text-align: right; }
.uk-side { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 18px; align-self: start; position: sticky; top: 86px; }
.uk-side h2 { font-family: var(--serif); font-size: 16px; margin: 0 0 12px; }
.uk-side ul { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 7px; }
.uk-side li a { display: flex; justify-content: space-between; font-size: 13.5px; color: var(--muted); }
.uk-side li a:hover { color: var(--accent); }
.uk-page { padding: 36px 0 8px; border-bottom: 1px solid var(--line); }
.uk-page h1 { font-family: var(--serif); margin: 0 0 6px; font-size: clamp(26px, 4vw, 38px); }
.uk-page p { color: var(--muted); margin: 0 0 12px; }
.uk-chip { display: inline-block; border: 1px solid var(--line); background: #fff; border-radius: 6px; padding: 5px 11px; font-size: 13px; color: var(--muted); margin: 0 6px 6px 0; }
.uk-chip:hover { border-color: var(--accent); color: var(--accent); }

.sd-crumbs { display: flex; flex-wrap: wrap; gap: 6px; color: var(--muted); font-size: 13px; padding: 20px 0 4px; }
.sd-crumbs__sep { opacity: .5; }
.uk-detail { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 30px; padding: 16px 0 6px; }
.uk-detail__poster img { width: 100%; aspect-ratio: 2/3; object-fit: cover; border: 1px solid var(--line); border-radius: 6px; }
.uk-detail h1 { font-family: var(--serif); margin: 0 0 10px; font-size: clamp(24px, 3.6vw, 36px); }
.uk-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.uk-pill { border: 1px solid var(--line); background: #fff; border-radius: 6px; padding: 3px 9px; font-size: 12.5px; color: var(--muted); }
.uk-pill--accent { color: var(--accent); border-color: #ddd6fe; background: #f5f3ff; }
.uk-syn { color: #4a4159; line-height: 1.95; margin: 0 0 18px; }
.uk-block { padding: 26px 0 0; }
.uk-block h2 { font-family: var(--serif); font-size: 20px; margin: 0 0 12px; }
.uk-block h2 small { color: var(--muted); font-size: 13px; font-weight: 400; margin-left: 6px; }
.uk-player { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #000; }
.uk-player video { width: 100%; max-height: 72vh; display: block; }
.uk-player iframe { width: 100%; aspect-ratio: 9/16; border: 0; display: block; }
.uk-eps { display: grid; grid-template-columns: repeat(auto-fill, minmax(50px, 1fr)); gap: 6px; }
.uk-eps a, .uk-eps span { display: grid; place-items: center; height: 36px; border: 1px solid var(--line); background: #fff; font-size: 13.5px; color: var(--muted); border-radius: 5px; }
.uk-eps a:hover { border-color: var(--accent); color: var(--accent); }
.uk-eps a.is-current { background: var(--accent); border-color: var(--accent); color: #fff; }
.uk-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; }
.uk-fact { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 11px 13px; }
.uk-fact dt { color: var(--muted); font-size: 12px; margin: 0 0 3px; }
.uk-fact dd { margin: 0; font-size: 15px; }
.uk-faq details { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 0 14px; margin-bottom: 8px; }
.uk-faq summary { cursor: pointer; padding: 12px 0; }
.uk-faq p { margin: 0 0 12px; color: var(--muted); }

.uk-foot { margin-top: 52px; background: #fff; border-top: 1px solid var(--line); padding: 34px 0 20px; }
.uk-foot__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
.uk-foot h2 { font-family: var(--serif); font-size: 15px; margin: 0 0 10px; color: var(--accent); }
.uk-foot p, .uk-foot a { color: var(--muted); font-size: 13.5px; }
.uk-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.uk-foot__bottom { margin-top: 20px; padding-top: 12px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; color: var(--muted); font-size: 12.5px; }
.uk-tabbar { display: none; }

@media (max-width: 980px) { .uk-cols { grid-template-columns: 1fr; } .uk-nav { display: none; } .uk-menu-btn { display: grid; } }
@media (max-width: 760px) {
  .uk-detail { grid-template-columns: 1fr; } .uk-detail__poster { max-width: 190px; }
  .uk-foot__grid { grid-template-columns: 1fr 1fr; }
  .uk-row { grid-template-columns: 30px minmax(0,1fr); } .uk-row em { display: none; }
  .uk-tabbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 70; display: flex; background: #fff; border-top: 1px solid var(--line); padding: 7px 0 max(7px, env(safe-area-inset-bottom)); }
  .uk-tabbar a { flex: 1; display: grid; gap: 2px; text-align: center; font-size: 11.5px; color: var(--muted); }
  .uk-tabbar a.is-active { color: var(--accent); }
  .uk-tabbar b { font-weight: 400; font-size: 16px; }
  .uk-foot { padding-bottom: 64px; }
}

/* ===== 共享工具页样式（u-*，随主题变量） ===== */
.u-page { padding: 34px 0 10px; }
.u-page h1 { font-size: clamp(24px, 3.4vw, 36px); margin: 0 0 8px; }
.u-page p { color: var(--muted); margin: 0 0 6px; }
.u-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin: 22px 0 8px; }
.u-card { display: block; }
.u-card img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; border-radius: calc(var(--radius, 10px) / 2); background: rgba(120, 120, 120, .12); }
.u-card b { display: block; margin: 8px 0 2px; font-size: 15px; line-height: 1.45; font-weight: 600; }
.u-card span { display: block; color: var(--muted); font-size: 13px; }
.u-empty { padding: 46px 0; color: var(--muted); }
.u-search { display: flex; gap: 8px; max-width: 520px; margin: 16px 0 10px; }
.u-search input { flex: 1; padding: 11px 13px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: inherit; }
.u-search button { padding: 11px 20px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; cursor: pointer; }
.u-result { display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.u-result img { width: 70px; height: 96px; object-fit: cover; border-radius: 8px; }
.u-meta { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }
.u-btn { display: inline-block; padding: 10px 18px; border: 1px solid var(--line); border-radius: 8px; }
.u-article { padding-top: 30px; }
.u-prose { line-height: 1.9; }
@media (max-width: 900px) { .u-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .u-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; } }