@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;600;700;800&display=swap');

:root{--ink:#282b40;--muted:#747583;--purple:#7772e8;--line:#e9e7f0;--bg:#f8f9fc}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans TC",system-ui,sans-serif;font-size:14px;line-height:1.6}
a{color:inherit;text-decoration:none}
a:focus-visible,[tabindex]:focus-visible{outline:3px solid #6255cf;outline-offset:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.skip-link{position:fixed;left:15px;top:-100px;z-index:10;background:#fff;padding:12px}
.skip-link:focus{top:10px}
.sidebar{position:fixed;inset:0 auto 0 0;width:235px;background:#fff;border-right:1px solid var(--line);padding:36px 23px;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:800;letter-spacing:-.7px;margin:0 6px 53px}
.brand small{display:block;font-size:10px;letter-spacing:3px;color:var(--muted);font-weight:500;margin-top:1px}
.brand-icon{height:42px;width:42px;flex-shrink:0;border-radius:13px;background:var(--purple);color:white;display:flex;align-items:center;justify-content:center;letter-spacing:-3px;font-size:23px}
.brand-icon span{color:#e1dcff}
.nav-label{font-size:10px;color:var(--muted);letter-spacing:2px;margin:0 15px 16px}
nav{display:grid;gap:9px}
.nav-item{border-radius:9px;padding:13px 12px;color:#686a79;display:flex;align-items:center;gap:10px;font-size:12px}
.nav-item>span:first-child{font-size:20px;line-height:1;width:22px;text-align:center}
.nav-item:hover{background:#f6f5fd}
.nav-item.active{color:#6559c8;background:#efedfc;font-weight:600}
.nav-badge{margin-left:auto;background:#e8e4fb;color:#6758b3;border-radius:5px;font-size:10px;padding:0 6px}
.sidebar-note{background:#f6f4ff;border:1px solid #eeebfc;border-radius:13px;padding:18px 17px;margin-top:auto}
.sidebar-note>span{display:block;font-size:25px;color:#9688e7;margin-bottom:6px}
.sidebar-note strong{font-size:12px}
.sidebar-note p{font-size:11px;color:#736c87;line-height:1.9;margin:9px 0 0}
.workspace{margin-left:235px}
.topbar{min-height:83px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:18px 38px;gap:16px}
.breadcrumb{color:var(--muted);font-size:11px;display:flex;gap:17px}
.breadcrumb strong{color:#515363;font-weight:500}
.breadcrumb span{color:#aaa5ba}
.header-label{font-size:9px;letter-spacing:2px;color:#817597}
main{max-width:1600px;margin:auto;padding:40px 38px 0}
.page-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:28px}
.eyebrow{color:#807598;font-size:10px;font-weight:600;letter-spacing:2px}
h1{font-size:29px;font-weight:700;line-height:1.5;margin:8px 0}
.page-heading p{font-size:13px;color:var(--muted);margin:7px 0 0}
.entry-count{font-size:11px;color:#73649b;background:#efecfa;border:1px solid #e4def3;border-radius:20px;padding:7px 13px;white-space:nowrap}
.library-panel{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.panel-heading{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:25px 26px 0}
h2{font-size:16px;font-weight:600;margin:0}
.panel-heading p{font-size:11px;color:var(--muted);margin:8px 0 0}
.dictionary-count{font-size:10px;color:#817597;white-space:nowrap}
.table-hint{margin:15px 26px 20px;font-size:11px;color:var(--muted)}
.table-scroll{position:relative;overflow-x:auto;margin:0 1px}
table{width:100%;border-collapse:collapse;min-width:1060px;text-align:left}
th,td{padding:21px 17px;border-bottom:1px solid var(--line);vertical-align:middle}
thead{background:#f6f5fb}
thead th{font-size:11px;color:#756c88;font-weight:500;white-space:nowrap}
thead th:first-child,tbody th{padding-left:26px}
.column-detail{display:block;font-size:9px;color:#817597;letter-spacing:1px}
tbody th{font-family:Georgia,serif;font-size:23px;font-weight:400;color:#0070C0;white-space:nowrap}
tbody tr:hover{background:#fcfbff}
td{font-size:12px}
td small{display:block;color:var(--muted);font-size:10px;margin-top:5px}
td a{display:inline-block;font-size:11px;color:#6554a4;white-space:nowrap;text-decoration:underline;text-decoration-color:#cfc5e4;text-underline-offset:4px;padding:6px 0}
td a:hover{color:#44307b;text-decoration-color:currentColor}
.wordlist-oxford-included::before,.wordlist-longman-included::before{display:inline-block;font-size:10px;margin-right:5px;text-decoration:none}
.wordlist-oxford-included::before{content:"●";color:#6657bf}
.wordlist-longman-included::before{content:"◆";color:#4b8153}
.variant-links a{display:block}
.library-filters{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;margin:22px 26px 0}
.library-filters label{display:flex;flex-direction:column;gap:7px;font-size:11px;color:#686077}
.search-field{flex:1;min-width:180px}
input,select,button{font:inherit}
.library-filters input,.library-filters select{border:1px solid #dcd7e8;border-radius:7px;background:#fff;color:var(--ink);padding:10px 12px;min-height:40px;width:100%}
button{cursor:pointer;border:1px solid #dcd7e8;border-radius:7px;background:#f6f3fc;color:#6554a4;padding:9px 13px;font-size:11px}
button:hover:not(:disabled){background:#ece6fa}
button:disabled{opacity:.5;cursor:default}
button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #6255cf;outline-offset:3px}
.pagination{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.table-footer{align-items:center}
.library-error{margin:18px 26px;padding:14px;background:#fff0ec;color:#944335;border:1px solid #edc4bb;border-radius:8px;font-size:12px}
[hidden]{display:none!important}
.empty-results{text-align:center;padding:35px;color:var(--muted)}
#vocabulary-body th>span{display:block;font-size:20px;max-width:210px;white-space:normal}
#vocabulary-body td>a{display:block}
.pos-group{min-height:35px;display:flex;align-items:center}
.pos-group{white-space:nowrap}
@media(max-width:700px){.library-filters{margin:18px 18px 0;gap:10px}.search-field{flex-basis:100%}.pagination{gap:8px}.pagination button{padding:9px}.library-error{margin:18px}}
.level{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.5px;padding:4px 10px;border-radius:6px}
.level-a1{background:#eaf3ed;color:#447557}
.level-a2{background:#edf0fb;color:#5266a1}
.level-b2{background:#f3ecfa;color:#83569f}
.table-footer{display:flex;justify-content:space-between;gap:12px;padding:17px 26px;color:var(--muted);font-size:10px;flex-wrap:wrap}
.library-note{background:#f0edf8;border:1px solid #e8e2f4;border-radius:12px;padding:22px 26px;margin-top:24px}
.library-note h2{font-size:13px;color:#6b5c82}
.library-note p{font-size:11px;line-height:1.9;color:#756b83;margin:9px 0 0}
.footer{margin-top:35px;border-top:1px solid var(--line);display:flex;justify-content:space-between;padding:21px 0;font-size:10px;color:#80758d;gap:15px;flex-wrap:wrap}
.footer strong{font-weight:500}
.footer a{text-decoration:underline;text-underline-offset:4px}
.level-b1{background:#e8f4f4;color:#366f75}
.level-c1{background:#f9eee4;color:#8a5a31}
.level-c2{background:#f8e9ee;color:#904660}
.guide-section{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;margin-bottom:24px;min-width:0}
.guide-section p{color:#646577;font-size:13px;line-height:1.9;margin:12px 0 0}
.guide-intro{background:#f1eefb}
.level-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-top:24px}
.level-groups>div{background:#ffffffb3;border:1px solid #e4def3;border-radius:10px;padding:17px}
.level-groups strong{display:block;color:#625381;font-size:13px}
.level-groups span{display:block;font-size:12px;color:#726780;margin-top:7px}
.guide-section .table-hint{margin:14px 0 18px;font-size:11px}
.guide-heading p{font-size:11px}
.cefr-table{min-width:820px}
.cefr-table th,.cefr-table td{padding:18px 15px}
.cefr-table tbody th{font-family:inherit;white-space:nowrap;font-size:13px}
.cefr-table tbody th small{display:block;font-size:11px;color:var(--muted);margin-top:7px;font-weight:400}
.cefr-table td{font-size:12px;line-height:1.9;min-width:200px}
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.guide-link,.guide-sources a{color:#6554a4;text-decoration:underline;text-underline-offset:4px}
.guide-link{display:inline-block;font-size:12px;margin-top:18px}
.guide-list{padding-left:22px;color:#646577;font-size:13px;line-height:1.9}
.guide-list li{padding-left:4px;margin:10px 0}
.guide-sources{margin-top:24px}
.guide-sources ul{padding-left:20px;font-size:12px;line-height:2.2}
.guide-sources p{font-size:11px}
@media(max-width:900px){.guide-grid{grid-template-columns:1fr;gap:0}.level-groups{grid-template-columns:1fr;gap:10px}}
@media(max-width:700px){.guide-section{padding:20px}.guide-section p,.guide-list{font-size:12px}.level-groups{margin-top:18px}.cefr-table td{font-size:11px}}
@media(max-width:1100px){.sidebar{width:205px;padding:30px 16px}.workspace{margin-left:205px}.brand{font-size:16px;gap:9px}.topbar{padding:18px 26px}main{padding:30px 26px 0}}
@media(max-width:700px){.sidebar{position:static;width:auto;padding:18px;border-bottom:1px solid var(--line)}.brand{font-size:17px;margin:0 0 15px;gap:10px}.brand small,.nav-label,.sidebar-note{display:none}.brand-icon{height:33px;width:33px}nav{display:flex;flex-wrap:wrap;gap:5px}.nav-item{font-size:11px;padding:10px}.nav-item>span:first-child{font-size:17px;width:18px}.workspace{margin-left:0}.topbar{min-height:55px;padding:15px 18px}.breadcrumb{font-size:10px;gap:10px}.header-label{display:none}main{padding:26px 16px 0}.page-heading{align-items:flex-start;flex-direction:column;gap:12px}h1{font-size:25px}.page-heading p{font-size:12px}.panel-heading{padding:21px 18px 0;align-items:flex-start}.panel-heading p{font-size:10px}.dictionary-count{display:none}.table-hint{margin:13px 18px 18px;font-size:10px}.table-footer{padding:15px 18px}.library-note{padding:20px}.footer{font-size:9px}}