/* ============================================================
   拾词 · 运营中台 — Design System
   方向：墨绿纸感 / 编辑式管理台
   ============================================================ */
:root{
  --ink:#141f1a;
  --pine:#1c352b;
  --pine-2:#24473a;
  --paper:#f5f3ec;
  --card:#fffdf8;
  --line:#e4dfd0;
  --line-soft:#efeadb;
  --txt:#243129;
  --txt-2:#6b7a70;
  --txt-3:#9aa79d;
  --jade:#0f8b63;
  --jade-soft:#e2f2ea;
  --jade-deep:#0a6b4c;
  --amber:#d99323;
  --amber-soft:#faf0da;
  --cinnabar:#cf4a35;
  --cinnabar-soft:#f9e5e0;
  --blue:#3465a4;
  --blue-soft:#e4ecf6;
  --mono:'IBM Plex Mono',ui-monospace,'Menlo','Consolas',monospace;
  --disp:'Archivo','Noto Sans SC',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  --body:'Noto Sans SC','Archivo',-apple-system,'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
  --shadow:0 1px 2px rgba(20,31,26,.05),0 8px 24px -18px rgba(20,31,26,.25);
  --r:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:var(--body);background:var(--paper);color:var(--txt);font-size:14px;-webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--txt)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#cfc9b8;border-radius:8px;border:2px solid var(--paper)}
::-webkit-scrollbar-track{background:transparent}

/* ---------- 骨架布局 ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:236px;flex-shrink:0;background:linear-gradient(178deg,#1b332a 0%,#142620 60%,#11201b 100%);color:#e8efe9;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:11px;padding:22px 20px 18px}
.brand-mark{width:40px;height:40px;border-radius:9px;background:linear-gradient(135deg,#2fae81,#0f7a56);display:grid;place-items:center;font-weight:900;font-size:20px;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25),0 6px 16px -6px rgba(15,139,99,.8)}
.brand-name{font-family:var(--disp);font-weight:800;font-size:17px;letter-spacing:.5px}
.brand-sub{font-family:var(--mono);font-size:10px;color:#8aa899;letter-spacing:1.4px;margin-top:2px}
.nav{padding:8px 12px;flex:1;overflow-y:auto}
.nav-group{margin-top:14px}
.nav-label{font-size:11px;color:#6f8a7d;letter-spacing:2px;padding:0 10px 7px;font-weight:700}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;color:#c4d4ca;font-size:13.5px;margin-bottom:2px;transition:background .15s,color .15s;position:relative;cursor:pointer}
.nav-item .ico{width:18px;height:18px;display:grid;place-items:center;opacity:.85}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:rgba(47,174,129,.16);color:#fff;font-weight:700}
.nav-item.active::before{content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:#3ecf97}
.nav-item .badge-dot{margin-left:auto;background:#cf4a35;color:#fff;font-size:10px;font-family:var(--mono);padding:1px 6px;border-radius:99px}
.sidebar-foot{padding:14px 20px;font-size:11px;color:#6f8a7d;display:flex;gap:8px;align-items:center;border-top:1px solid rgba(255,255,255,.07)}
.env-dot{width:7px;height:7px;border-radius:50%;background:#3ecf97;box-shadow:0 0 0 3px rgba(62,207,151,.2)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;background:rgba(245,243,236,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.crumb{font-family:var(--mono);font-size:11px;color:var(--txt-3);letter-spacing:1.5px;text-transform:uppercase}
.page-title{font-family:var(--disp);font-size:22px;font-weight:800;letter-spacing:.3px;margin-top:2px}
.topbar-right{display:flex;align-items:center;gap:14px}
.top-date{font-family:var(--mono);font-size:12px;color:var(--txt-2)}
.admin-chip{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);padding:5px 12px 5px 6px;border-radius:99px;font-size:12.5px;font-weight:600;box-shadow:var(--shadow)}
.admin-avatar{width:26px;height:26px;border-radius:50%;background:var(--pine);color:#fff;display:grid;place-items:center;font-size:12px}

.content{padding:24px 28px 48px;max-width:1500px;width:100%}
.page{animation:fadeUp .35s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- 通用组件 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.card-hd{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line-soft)}
.card-hd h3{font-size:15px;font-weight:800}
.card-hd .sub{font-size:12px;color:var(--txt-3);margin-top:2px}
.card-bd{padding:18px 20px}

.grid{display:grid;gap:16px}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-2-1{grid-template-columns:2fr 1fr}
.g-1-2{grid-template-columns:1fr 2fr}

/* 统计卡 */
.stat{position:relative;overflow:hidden;padding:18px 20px}
.stat .k{font-size:12.5px;color:var(--txt-2);display:flex;align-items:center;gap:7px}
.stat .v{font-family:var(--disp);font-size:28px;font-weight:800;margin-top:8px;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.stat .v small{font-size:14px;font-weight:600;color:var(--txt-2);margin-left:2px}
.stat .delta{font-family:var(--mono);font-size:11px;margin-top:7px;display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:99px}
.delta.up{color:var(--jade-deep);background:var(--jade-soft)}
.delta.down{color:var(--cinnabar);background:var(--cinnabar-soft)}
.stat .stamp{position:absolute;right:14px;top:14px;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:16px}
.stat::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:100%;background:linear-gradient(90deg,var(--sc,var(--jade)),transparent 70%)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;border:1px solid transparent;transition:all .15s;white-space:nowrap}
.btn-primary{background:var(--jade);color:#fff;box-shadow:0 4px 12px -4px rgba(15,139,99,.5)}
.btn-primary:hover{background:var(--jade-deep)}
.btn-ghost{border-color:var(--line);background:var(--card);color:var(--txt)}
.btn-ghost:hover{border-color:var(--jade);color:var(--jade-deep)}
.btn-warn{background:var(--cinnabar);color:#fff}
.btn-warn:hover{filter:brightness(.92)}
.btn-soft{background:var(--jade-soft);color:var(--jade-deep)}
.btn-soft:hover{background:#d3ebdf}
.btn-sm{padding:5px 11px;font-size:12px;border-radius:6px}
.btn-xs{padding:3px 9px;font-size:11.5px;border-radius:6px;font-weight:600}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* 标签/徽章 */
.tag{display:inline-flex;align-items:center;gap:5px;padding:2.5px 9px;border-radius:6px;font-size:11.5px;font-weight:600;line-height:1.5;white-space:nowrap}
.tag.jade{background:var(--jade-soft);color:var(--jade-deep)}
.tag.amber{background:var(--amber-soft);color:#9a6a10}
.tag.red{background:var(--cinnabar-soft);color:#a33520}
.tag.blue{background:var(--blue-soft);color:#274f80}
.tag.gray{background:#ece9de;color:var(--txt-2)}
.tag.outline{background:transparent;border:1px solid var(--line);color:var(--txt-2)}
.tag.pine{background:var(--pine);color:#dcefe3}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex-shrink:0}

/* 表格 */
.tbl-wrap{overflow-x:auto}
table.tbl{border-collapse:collapse;font-size:13px;min-width:720px}
.tbl th{font-size:11.5px;color:var(--txt-3);font-weight:700;text-align:left;padding:10px 12px;border-bottom:1.5px solid var(--line);letter-spacing:.5px;white-space:nowrap;background:#fbfaf4}
.tbl td{padding:11px 12px;border-bottom:1px solid var(--line-soft);vertical-align:middle;white-space:nowrap}
.tbl tbody tr{transition:background .12s}
.tbl tbody tr:hover{background:#f7f5ec}
/* 闪卡单元表格：table-layout:fixed 时需允许换行 */
.unit-bd .tbl td{white-space:normal;word-break:break-word}
/* 修复：.unit-word-row 原有 display:flex 会破坏表格行布局 */
.tbl .unit-word-row{display:table-row!important}
.tbl .num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.tbl .ck{width:36px}
input[type=checkbox]{width:15px;height:15px;accent-color:var(--jade);cursor:pointer}
.row-click{cursor:pointer}

/* 筛选栏 */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px}
.input,.select{height:36px;border:1px solid var(--line);border-radius:8px;padding:0 12px;background:#fff;outline:none;transition:border-color .15s,box-shadow .15s}
.input:focus,.select:focus{border-color:var(--jade);box-shadow:0 0 0 3px rgba(15,139,99,.12)}
.input{min-width:180px}
.select{cursor:pointer}
.toolbar .spacer{flex:1}
textarea.input{height:auto;min-height:70px;padding:9px 12px;width:100%}

/* 分段选择 */
.seg{display:inline-flex;background:#ece9dd;border-radius:8px;padding:3px;gap:2px}
.seg button{padding:6px 14px;border-radius:6px;font-size:12.5px;font-weight:600;color:var(--txt-2);transition:all .15s}
.seg button.on{background:#fff;color:var(--txt);box-shadow:0 1px 3px rgba(20,31,26,.14);font-weight:700}

/* 弹窗 / 抽屉 / Toast */
#modal-root .mask,#drawer-root .mask{position:fixed;inset:0;background:rgba(18,26,22,.48);backdrop-filter:blur(2px);z-index:80;animation:fadeIn .2s ease both}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{position:fixed;z-index:90;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--card);border-radius:14px;box-shadow:0 24px 80px -20px rgba(10,20,15,.5);width:min(520px,92vw);animation:pop .22s cubic-bezier(.2,.9,.3,1.2) both;max-height:88vh;display:flex;flex-direction:column}
.modal.wide{width:min(760px,94vw)}
@keyframes pop{from{opacity:0;transform:translate(-50%,-46%) scale(.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.modal-hd{padding:18px 22px 0;display:flex;justify-content:space-between;align-items:flex-start}
.modal-hd h3{font-size:17px;font-weight:800}
.modal-x{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--txt-3);font-size:16px}
.modal-x:hover{background:#efece1;color:var(--txt)}
.modal-bd{padding:16px 22px;overflow-y:auto}
.modal-ft{padding:14px 22px 18px;display:flex;justify-content:flex-end;gap:10px}
.drawer{position:fixed;z-index:90;right:0;top:0;bottom:0;width:min(560px,94vw);background:var(--card);box-shadow:-16px 0 60px -20px rgba(10,20,15,.4);animation:slideIn .28s cubic-bezier(.25,.9,.3,1) both;display:flex;flex-direction:column}
@keyframes slideIn{from{transform:translateX(40px);opacity:0}to{transform:none;opacity:1}}
.drawer-hd{padding:20px 24px;border-bottom:1px solid var(--line-soft);display:flex;justify-content:space-between;align-items:center;background:#fbfaf4}
.drawer-hd h3{font-size:17px;font-weight:800}
.drawer-bd{padding:22px 24px;overflow-y:auto;flex:1}
#toast-root{position:fixed;top:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;font-size:13px;box-shadow:0 12px 32px -8px rgba(0,0,0,.4);animation:toastIn .25s ease both;display:flex;gap:9px;align-items:center;max-width:360px}
.toast.ok::before{content:"✓";color:#3ecf97;font-weight:800}
.toast.err::before{content:"✕";color:#ff8a70;font-weight:800}
.toast.warn::before{content:"!";color:#f0b84d;font-weight:800}
@keyframes toastIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}
.toast.out{animation:toastOut .3s ease both}
@keyframes toastOut{to{opacity:0;transform:translateX(20px)}}

/* 表单 */
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:700;color:var(--txt-2);margin-bottom:6px}
.field label b{color:var(--cinnabar)}
.field .input,.field select.input{width:100%}
.field .hint{font-size:11.5px;color:var(--txt-3);margin-top:5px}
.kv{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:10px;overflow:hidden}
.kv>div{background:#fbfaf4;padding:12px 14px}
.kv .k{font-size:11px;color:var(--txt-3);font-weight:600}
.kv .v{font-family:var(--mono);font-size:15px;font-weight:600;margin-top:4px}
.kv .v.money{color:var(--jade-deep)}
.kv .v.warn{color:var(--amber)}
.kv .v.danger{color:var(--cinnabar)}

/* 空态 */
.empty{padding:44px 20px;text-align:center;color:var(--txt-3)}
.empty .big{font-size:30px;margin-bottom:8px}

/* 图表 */
.chart{width:100%;height:100%}
.chart-legend{display:flex;gap:16px;font-size:12px;color:var(--txt-2);flex-wrap:wrap}
.chart-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}

/* 排名 */
.rank-no{font-family:var(--disp);font-weight:800;width:26px;height:26px;border-radius:8px;display:inline-grid;place-items:center;font-size:13px;background:#ece9de;color:var(--txt-2)}
.rank-no.r1{background:linear-gradient(135deg,#f5c451,#d99323);color:#fff}
.rank-no.r2{background:linear-gradient(135deg,#cfd6d2,#9aa79d);color:#fff}
.rank-no.r3{background:linear-gradient(135deg,#e0a181,#b4663f);color:#fff}
.bar-cell{display:flex;align-items:center;gap:10px}
.mini-bar{height:8px;border-radius:99px;background:linear-gradient(90deg,#2fae81,#0f8b63);min-width:4px;transition:width .5s ease}

/* 词书单元卡 */
.unit-card{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;transition:box-shadow .18s,transform .18s}
.unit-card:hover{box-shadow:0 6px 20px -8px rgba(15,139,99,.12);transform:translateY(-2px)}
.unit-hd{display:flex;align-items:center;gap:10px;padding:12px 16px;background:linear-gradient(135deg,#fbfaf4,#f6f3ea);border-bottom:1px solid var(--line-soft)}
.unit-hd .un{font-weight:800;font-size:13.5px;letter-spacing:.02em}
.unit-bd{padding:14px 16px}
.word-chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:5px 10px;font-size:12px;margin:3px;transition:border-color .12s,box-shadow .12s}
.word-chip:hover{border-color:var(--jade);box-shadow:0 2px 8px -3px rgba(15,139,99,.15)}
.word-chip b{font-weight:700}
.word-chip span{color:var(--txt-3);font-size:11px}
.word-chip .rm{color:var(--txt-3);font-size:12px;padding:0 2px;border-radius:4px;transition:color .1s}
.word-chip .rm:hover{color:var(--cinnabar)}

/* 其他 */
.avatar-sm{width:30px;height:30px;border-radius:50%;background:var(--pine-2);color:#cfe6d8;display:inline-grid;place-items:center;font-size:12px;font-weight:700;flex-shrink:0}
.user-cell{display:flex;align-items:center;gap:9px}
.user-cell .nm{font-weight:700}
.user-cell .id{font-family:var(--mono);font-size:11px;color:var(--txt-3)}
.divider{height:1px;background:var(--line-soft);margin:16px 0}
.muted{color:var(--txt-3);font-size:12px}
.mt{margin-top:16px}
.mt-sm{margin-top:10px}
.mono{font-family:var(--mono)}
.link{color:var(--jade-deep);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.link:hover{color:var(--jade)}
.note-bar{display:flex;gap:8px;align-items:center;background:var(--amber-soft);border:1px solid #ecd9ae;color:#7d5a10;padding:8px 14px;border-radius:9px;font-size:12px;margin-bottom:12px;line-height:1.5}
.note-bar.jade{background:var(--jade-soft);border-color:#bfe3d2;color:#0a5c41}
.steps{display:flex;gap:6px;align-items:center;font-size:12.5px;color:var(--txt-3);margin-bottom:12px;flex-wrap:wrap;padding:8px 14px;background:var(--paper);border-radius:9px;border:1px solid var(--line-soft)}
.steps b{color:var(--txt);font-weight:700}
.pagination{display:flex;justify-content:flex-end;gap:6px;padding:14px 0 0;font-size:12.5px;color:var(--txt-2);align-items:center}
.pagination button{min-width:30px;height:30px;border:1px solid var(--line);border-radius:7px;background:#fff;font-family:var(--mono)}
.pagination button.on{background:var(--pine);color:#fff;border-color:var(--pine)}

/* ---------- 管理员 / 子账号 ---------- */
.admin-chip{cursor:pointer;user-select:none;transition:border-color .15s}
.admin-chip:hover{border-color:var(--jade)}
.admin-chip .caret{font-size:9px;color:var(--txt-3);margin-left:4px}
.admin-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:250px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 50px -12px rgba(10,20,15,.35);z-index:120;display:none;overflow:hidden}
.admin-menu.open{display:block;animation:pop .18s cubic-bezier(.2,.9,.3,1.2) both}
.am-hd{padding:12px 16px;background:#fbfaf4;border-bottom:1px solid var(--line-soft)}
.am-hd b{font-size:13.5px}
.am-hd .sub{font-family:var(--mono);font-size:11px;color:var(--txt-3);margin-top:2px}
.am-item{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:13px;cursor:pointer;transition:background .12s}
.am-item:hover{background:var(--jade-soft)}
.am-item.danger:hover{background:var(--cinnabar-soft)}
.am-item .ico{width:16px;text-align:center}
.am-sep{height:1px;background:var(--line-soft);margin:5px 0}
.am-item .kbd{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--txt-3)}

/* 用户禁用状态 */
tr.disabled-row td{opacity:.5}
tr.disabled-row .avatar-sm{filter:grayscale(1)}

/* 用户类型下拉 */
select.mini{height:28px;border:1px solid var(--line);border-radius:7px;padding:0 8px;font-size:12px;background:#fff;cursor:pointer;transition:border-color .15s}
select.mini:focus{border-color:var(--jade);outline:none;box-shadow:0 0 0 2px rgba(15,139,99,.12)}
select.mini.lvl-rep{background:var(--blue-soft);border-color:#c6d6ea}
select.mini.lvl-head{background:var(--pine);color:#dcefe3;border-color:var(--pine)}

/* 导入预览 */
.imp-preview{max-height:200px;overflow:auto;border:1px solid var(--line-soft);border-radius:9px;margin-top:10px}
.imp-drop{border:1.5px dashed var(--line);border-radius:10px;padding:26px 20px;text-align:center;background:#fbfaf4;cursor:pointer;transition:all .15s}
.imp-drop:hover,.imp-drop.hot{border-color:var(--jade);background:var(--jade-soft)}
.imp-drop .big{font-size:24px}
.chip-ok{background:var(--jade-soft);color:var(--jade-deep);border:1px solid #bfe3d2;padding:3px 10px;border-radius:7px;font-size:12px;display:inline-flex;gap:6px;align-items:center;margin:3px}
.chip-miss{background:var(--cinnabar-soft);color:#a33520;border:1px solid #eec6bb;padding:3px 10px;border-radius:7px;font-size:12px;display:inline-flex;gap:6px;align-items:center;margin:3px}

/* 词书一级分类 */
.cat-item{display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:8px;font-size:12.5px;cursor:pointer;color:var(--txt-2);margin:1px 0;transition:all .15s;border:1px solid transparent}
.cat-item:hover{background:var(--paper);border-color:var(--line-soft)}
.cat-item.on{background:var(--jade-soft);color:var(--jade-deep);font-weight:700;border-color:#bfe3d2}
.cat-item .cnt{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--txt-3);background:var(--paper);padding:2px 7px;border-radius:10px}
.cat-item.on .cnt{background:rgba(15,139,99,.12);color:var(--jade-deep)}

/* 二级分类拖拽 */
.sub-list-draggable{display:flex;flex-direction:column;gap:1px}
.cat-item-drag{display:flex;align-items:center;gap:6px;cursor:default;transition:opacity .2s,background .15s}
.cat-item-drag .sub-drag{opacity:.4;transition:opacity .15s}
.cat-item-drag:hover .sub-drag{opacity:1}
.cat-item-drag.drag-over{background:#fff3e0;box-shadow:inset 0 -2px 0 #e65100}
.cat-item-drag.active{background:var(--jade-soft);color:var(--jade-deep);font-weight:700;border-color:#bfe3d2;border-radius:8px}
.book-card-drag.drag-over{box-shadow:0 0 0 2px #e65100 inset;transform:scale(1.01)}

/* 词书层级钻取面板 */
.panel-title{font-weight:800;font-size:11px;padding:5px 12px 4px;color:var(--txt-3);text-transform:uppercase;letter-spacing:.06em}
.back-link{font-size:12px;color:var(--jade-deep);cursor:pointer;padding:4px 12px 5px;font-weight:700;display:flex;align-items:center;gap:4px}
.back-link:hover{text-decoration:underline}

/* ---------- 单词详情页 ---------- */
.wd-wrap{max-width:720px;margin:0 auto}
.wd-back{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--jade-deep);cursor:pointer;padding:6px 0;margin-bottom:16px}
.wd-back:hover{text-decoration:underline}
.wd-hero{text-align:center;padding:32px 20px 24px;background:linear-gradient(135deg,#fbfaf4 0%,#f0ede2 100%);border-radius:16px;border:1px solid var(--line-soft);margin-bottom:20px}
.wd-word{font-family:var(--disp);font-size:42px;font-weight:800;letter-spacing:.5px;color:var(--ink);line-height:1.2}
.wd-phonetic{display:flex;justify-content:center;gap:24px;margin-top:10px;font-size:14px;color:var(--txt-2)}
.wd-phonetic span{font-family:var(--mono)}
.wd-phonetic b{font-weight:700;color:var(--txt-3);font-size:11px;margin-right:4px}
.wd-audio-btn{display:inline-flex;align-items:center;gap:6px;margin-top:14px;padding:8px 22px;border-radius:99px;background:var(--jade);color:#fff;font-size:13px;font-weight:700;cursor:pointer;border:none;box-shadow:0 4px 14px -4px rgba(15,139,99,.45);transition:all .15s}
.wd-audio-btn:hover{background:var(--jade-deep);transform:translateY(-1px)}
.wd-audio-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.wd-pos{display:inline-block;margin-top:10px;padding:3px 12px;border-radius:6px;font-size:12px;font-weight:700;background:var(--jade-soft);color:var(--jade-deep)}
.wd-section{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:14px;box-shadow:var(--shadow)}
.wd-section-hd{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:13px;font-weight:800;color:var(--txt-2)}
.wd-section-hd .ico{font-size:16px}
.wd-def{font-size:16px;line-height:1.7;color:var(--txt)}
.wd-ex{padding:12px 16px;background:#fbfaf4;border-radius:9px;border-left:3px solid var(--jade);margin-bottom:10px}
.wd-ex-en{font-size:14px;line-height:1.6;color:var(--txt);font-style:italic}
.wd-ex-zh{font-size:13px;color:var(--txt-3);margin-top:4px}
.wd-root-text{font-size:14px;line-height:1.7;color:var(--txt-2)}
.wd-memo-text{font-size:14px;line-height:1.7;color:var(--txt-2)}
.wd-actions{display:flex;gap:10px;justify-content:center;margin-top:8px}
.wd-btn-tool{display:inline-flex;align-items:center;gap:7px;padding:9px 20px;border-radius:10px;font-size:13px;font-weight:700;cursor:pointer;border:1px solid var(--line);background:var(--card);color:var(--txt);transition:all .15s;box-shadow:var(--shadow)}
.wd-btn-tool:hover{border-color:var(--jade);color:var(--jade-deep);box-shadow:0 4px 16px -6px rgba(15,139,99,.18)}
.wd-btn-tool.active{background:var(--jade-soft);border-color:var(--jade);color:var(--jade-deep)}
/* 音节展示 */
.wd-syllable-display{display:flex;justify-content:center;gap:6px;flex-wrap:wrap;padding:16px 0 8px}
.wd-syl{display:flex;flex-direction:column;align-items:center;padding:10px 16px;border-radius:12px;background:#fbfaf4;border:1px solid var(--line-soft);min-width:52px;transition:all .2s}
.wd-syl:hover{background:var(--jade-soft);border-color:#bfe3d2;transform:translateY(-2px)}
.wd-syl-text{font-family:var(--disp);font-size:22px;font-weight:800;color:var(--ink)}
.wd-syl-stress{font-size:10px;color:var(--txt-3);margin-top:3px;font-weight:600}
.wd-syl-dot{width:6px;height:6px;border-radius:50%;background:var(--jade);margin-top:4px;opacity:.6}
/* 自然拼读展示 */
.wd-phonics-list{display:flex;flex-direction:column;gap:8px}
.wd-phonics-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:9px;background:#fbfaf4;border:1px solid var(--line-soft)}
.wd-phonics-pattern{font-family:var(--mono);font-size:16px;font-weight:800;color:var(--jade-deep);min-width:60px;text-align:center;padding:4px 10px;background:var(--jade-soft);border-radius:7px}
.wd-phonics-sound{font-size:13px;color:var(--txt-2);flex:1}
.wd-phonics-label{font-size:11px;font-weight:700;color:var(--txt-3);padding:2px 8px;border-radius:5px;background:var(--paper)}
.wd-phonics-word{display:flex;justify-content:center;gap:2px;font-family:var(--disp);font-size:28px;font-weight:800;margin:12px 0 4px;flex-wrap:wrap}
.wd-phonics-word .ph-part{padding:2px 4px;border-radius:5px;transition:all .2s;cursor:default}
.wd-phonics-word .ph-part:hover{background:var(--jade-soft)}
.wd-phonics-word .ph-part.c-digraph{color:#29b6f6;border-bottom:2px solid #29b6f6}
.wd-phonics-word .ph-part.v-team{color:#e53935;border-bottom:2px solid #e53935}
.wd-phonics-word .ph-part.magic-e{color:var(--amber);border-bottom:2px solid var(--amber)}
.wd-phonics-word .ph-part.blend{color:#29b6f6;border-bottom:2px solid #29b6f6}
.wd-phonics-word .ph-part.consonant{color:#29b6f6;border-bottom:2px solid #29b6f6}
.wd-phonics-word .ph-part.suffix{color:var(--txt-3);border-bottom:2px solid var(--line)}
.wd-phonics-word .ph-part.base{color:var(--txt)}
.wd-phonics-word .ph-part.r-ctrl{color:#9b59b6;border-bottom:2px solid #9b59b6}
.wd-phonics-word .ph-part.consonant-le{color:var(--amber);border-bottom:2px solid var(--amber)}
.wd-phonics-word .ph-part.soft-c{color:#e67e22;border-bottom:2px solid #e67e22}
.wd-phonics-word .ph-part.soft-g{color:#e67e22;border-bottom:2px solid #e67e22}
.wd-phonics-word .ph-part.prefix{color:#27ae60;border-bottom:2px solid #27ae60}

/* 词书单元单词列表 */
.unit-word-list{display:flex;flex-direction:column;gap:1px;background:var(--line-soft);border-radius:8px;overflow:hidden;border:1px solid var(--line-soft)}
.unit-word-row{display:flex;align-items:center;gap:8px;padding:7px 10px;background:#fff;cursor:default;transition:background .15s}
.unit-word-row:hover{background:var(--paper)}
.unit-word-row.drag-over{background:#fff3e0;box-shadow:inset 0 -2px 0 #e65100}
.drag-handle{cursor:grab;color:var(--txt-3);font-size:14px;user-select:none;opacity:.5;transition:opacity .15s}
.drag-handle:hover{opacity:1}
.drag-handle:active{cursor:grabbing}
.uw-num{font-family:var(--mono);font-size:11px;color:var(--txt-3);min-width:18px;text-align:right;font-weight:700}
.uw-word{font-size:13.5px;font-weight:700;min-width:80px}
.uw-def{font-size:11.5px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uw-phonetic{font-size:11px;min-width:110px;font-family:var(--mono);color:var(--txt-3)}
.uw-pos{font-size:11px;flex-shrink:0}
.uw-del{opacity:.4;transition:opacity .15s;flex-shrink:0}
.unit-word-row:hover .uw-del{opacity:1}

/* 单元拖拽 */
.unit-list-draggable{display:flex;flex-direction:column;gap:12px}
.unit-card[draggable="true"]{cursor:default;transition:opacity .2s,box-shadow .2s}
.unit-card.drag-over{box-shadow:0 0 0 2px #e65100 inset}
.unit-order-input{-moz-appearance:textfield}
.unit-order-input::-webkit-inner-spin-button,.unit-order-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}

/* Lottie 降级示意动画 */
.lt-ball{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#2fae81,#0f8b63);box-shadow:0 10px 24px -8px rgba(15,139,99,.55);animation:ltBounce 1.2s cubic-bezier(.45,0,.55,1) infinite alternate}
@keyframes ltBounce{from{transform:translateY(-34px)}to{transform:translateY(26px) scale(1.06,.94)}}

/* ---------- 登录界面 ---------- */
.login-wrap{position:fixed;inset:0;z-index:999;display:flex;align-items:center;justify-content:center;overflow:auto;background:#0f1b16;padding:20px}
.login-bg{position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(46rem 30rem at 12% 0%,rgba(47,174,129,.16),transparent 60%),
  radial-gradient(40rem 28rem at 95% 100%,rgba(15,139,99,.22),transparent 55%),
  repeating-linear-gradient(45deg,rgba(255,255,255,.014) 0 2px,transparent 2px 14px)}
.login-card{position:relative;width:min(400px,94vw);background:var(--card);border-radius:18px;box-shadow:0 30px 90px -20px rgba(0,0,0,.6);padding:36px 36px 30px;margin:auto;animation:loginPop .35s cubic-bezier(.2,.9,.3,1.15) both}
.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.login-title{font-family:var(--disp);font-size:24px;font-weight:800;letter-spacing:.3px}
.login-sub{font-size:13px;color:var(--txt-3);margin-top:5px;margin-bottom:22px}
.login-field{margin-bottom:16px}
.login-field label{display:block;font-size:12.5px;font-weight:700;color:var(--txt-2);margin-bottom:7px}
.login-input{width:100%;height:44px;border:1.5px solid var(--line);border-radius:10px;padding:0 14px;font-size:14px;background:#fff;outline:none;transition:all .15s}
.login-input:focus{border-color:var(--jade);box-shadow:0 0 0 3px rgba(15,139,99,.14)}
.login-eye{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:8px;display:grid;place-items:center;font-size:15px;color:var(--txt-3)}
.login-eye:hover{background:var(--paper)}
.login-err{min-height:18px;font-size:12.5px;color:var(--cinnabar);font-weight:600;margin:-4px 0 10px}
.login-btn{width:100%;height:46px;border:none;border-radius:10px;background:var(--jade);color:#fff;font-size:15px;font-weight:800;letter-spacing:6px;cursor:pointer;transition:all .15s;box-shadow:0 8px 20px -6px rgba(15,139,99,.5)}
.login-btn:hover{background:var(--jade-deep)}
.login-btn:active{transform:translateY(1px)}
.login-btn.disabled{opacity:.6;cursor:not-allowed}
.login-tip{margin-top:18px;text-align:center;font-size:12px;color:var(--txt-3)}
.login-tip b{color:var(--jade-deep);font-family:var(--mono)}
.login-shake{animation:shake .4s ease}
@keyframes loginPop{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:none}}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-7px)}50%{transform:translateX(6px)}75%{transform:translateX(-4px)}}
@media (max-width:430px){.login-card{padding:26px 22px}}