/* ============ 仪表盘 ============ */
.hero{
  position:relative;overflow:hidden;isolation:isolate;border-radius:24px;padding:34px 36px;color:#fff;
  background:
    radial-gradient(1000px 520px at 88% -12%, rgba(139,92,246,.5), transparent 58%),
    radial-gradient(760px 420px at -8% 118%, rgba(79,70,229,.45), transparent 55%),
    linear-gradient(128deg,#171238 0%,#241b5e 52%,#31216e 100%);
  box-shadow:none;
  border:1px solid rgba(255,255,255,.09);
  animation:rise .5s cubic-bezier(.22,1,.36,1) both;
}
/* 深色下白色描边会显成一圈白条，改为融入背景的深色描边 */
[data-theme="dark"] .hero{border-color:rgba(10,13,30,.55)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
/* 星点层 */
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 24%, rgba(255,255,255,.9), transparent 100%),
    radial-gradient(1.2px 1.2px at 27% 70%, rgba(255,255,255,.65), transparent 100%),
    radial-gradient(1.4px 1.4px at 42% 30%, rgba(255,255,255,.8), transparent 100%),
    radial-gradient(1px 1px at 55% 84%, rgba(255,255,255,.6), transparent 100%),
    radial-gradient(1.6px 1.6px at 67% 14%, rgba(255,255,255,.85), transparent 100%),
    radial-gradient(1.2px 1.2px at 79% 60%, rgba(255,255,255,.7), transparent 100%),
    radial-gradient(1.4px 1.4px at 90% 24%, rgba(255,255,255,.8), transparent 100%),
    radial-gradient(1px 1px at 20% 90%, rgba(255,255,255,.55), transparent 100%);
}
/* 北极星（金色四芒星，微闪） */
.hero::after{
  content:"";position:absolute;right:58px;top:42px;width:17px;height:17px;z-index:-1;
  background:
    radial-gradient(circle at 50% 50%, #fbe6b0 0 2px, transparent 2.7px),
    linear-gradient(90deg, transparent 46%, rgba(251,230,176,.9) 46% 54%, transparent 54%),
    linear-gradient(0deg, transparent 46%, rgba(251,230,176,.9) 46% 54%, transparent 54%);
  filter:drop-shadow(0 0 7px rgba(251,230,176,.95));
  animation:twinkle 3.4s ease-in-out infinite;
}
@keyframes twinkle{0%,100%{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
/* 光泽追踪层：默认透明（无静态高光），鼠标移动时淡入跟随光斑（--gx/--gy 由 JS 更新） */
.hero-glare{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:transparent;
  transition:background .35s ease;
}
.hero.glare-on .hero-glare{
  background:radial-gradient(240px circle at var(--gx,50%) var(--gy,50%),rgba(255,255,255,.12) 0%,rgba(255,255,255,0) 72%);
}
/* 移动端 / 无悬停设备：取消光泽效果 */
@media (hover:none),(pointer:coarse),(max-width:820px){
  .hero-glare{display:none}
}
.hero .label{font-size:13px;opacity:.92;font-weight:600;letter-spacing:3px}
.hero .label::before{content:"✦ ";color:var(--gold)}
.hero .days{font-size:76px;font-weight:800;line-height:1.05;letter-spacing:-2px;font-variant-numeric:tabular-nums;margin:8px 0 4px;text-shadow:0 2px 30px rgba(255,255,255,.12)}
.hero .days small{font-size:22px;font-weight:600;letter-spacing:0;margin-left:8px;color:var(--gold)}
.hero .meta{font-size:12.5px;opacity:.82}
.hero .hero-btns{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.hero .btn{border:none;transition:transform .18s,background .18s,box-shadow .18s;backdrop-filter:blur(4px)}
.hero .btn.hero-primary{background:#fff;color:#37309e;font-weight:700;box-shadow:0 10px 26px -10px rgba(10,6,40,.55)}
.hero .btn.hero-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(10,6,40,.6);filter:brightness(.97)}
.hero .btn.hero-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.24)}
.hero .btn.hero-ghost:hover{background:rgba(255,255,255,.22)}
.hero .btn:active{transform:scale(.97)}
.stat{
  display:flex;flex-direction:column;gap:2px;padding:18px 20px;border-radius:var(--radius-lg);
  background:var(--card);border:1px solid var(--line2);box-shadow:var(--shadow);
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.stat:hover{transform:translateY(-2px);border-color:var(--line);box-shadow:var(--shadow-lg)}
.stat b{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.stat span{font-size:12.5px;color:var(--muted)}
.stat .ico{width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;margin-bottom:10px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.55);transition:transform .18s}
/* 深色模式下白色内描边会显成白框，改为极淡描边保留层次 */
[data-theme="dark"] .stat .ico,[data-theme="dark"] .da-ico{box-shadow:inset 0 0 0 1px rgba(255,255,255,.07)}
.stat .ico svg{width:17px;height:17px}
.stat:hover .ico{transform:scale(1.12) rotate(-4deg)}
/* 学习数据四格 */
.dstat-grid{row-gap:16px;column-gap:6px}
.dstat{position:relative;padding:4px 12px}
.dstat:nth-child(odd){padding-left:0}
.dstat:nth-child(even)::before{content:"";position:absolute;left:0;top:18%;bottom:18%;width:1px;background:var(--line2)}
.dstat .big{font-size:27px}
.d-label{display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;color:var(--faint);letter-spacing:1.5px;margin-bottom:8px}
.remind-item{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:12px;transition:background .15s}
.remind-item:hover{background:var(--line2)}
.remind-item .tag{flex:none}
.remind-item .tt{flex:1;min-width:0;font-size:.9rem;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.remind-item .dd{flex:none;font-size:.8rem;color:var(--muted)}
.remind-item .ops{flex:none;display:flex;gap:2px}
.remind-item .ops .iconb{opacity:0;transition:opacity .15s,color .15s,background .15s}
.remind-item:hover .ops .iconb{opacity:1}
.remind-item.past{opacity:.5}
.remind-item.soon{box-shadow:inset 2px 0 0 var(--accent)}
.remind-item.today{box-shadow:inset 2px 0 0 var(--brand)}
@media (max-width:560px){.remind-item{flex-wrap:wrap}.remind-item .dd{width:100%;padding-left:0}}
/* 提醒管理弹窗：模板 / 列表 / 表单 */
.rem-tpls{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.rem-tpls .tpl{padding:5px 13px;border-radius:99px;font-size:.833rem;font-weight:600;border:1px solid var(--line2);background:var(--card2);color:var(--muted);transition:background .15s,color .15s,border-color .15s,transform .15s}
.rem-tpls .tpl:hover{color:var(--brand-ink);border-color:var(--brand-soft);transform:translateY(-1px)}
.rem-tpls .tpl.on{background:var(--brand-soft);color:var(--brand-ink);border-color:transparent}
.rem-list{max-height:276px;overflow:auto;margin:2px -6px 0;padding:0 6px;display:flex;flex-direction:column;gap:2px}
.rem-field{margin-top:10px}
.rem-field label{display:block;font-size:.733rem;font-weight:800;color:var(--faint);letter-spacing:1.5px;margin:0 2px 5px}
.rem-field .input,.rem-field .select{width:100%}
/* 重要日期提醒：时间线 */
.rl{position:relative}
.rl::before{content:"";position:absolute;left:5px;top:16px;bottom:16px;width:2px;border-radius:2px;background:var(--line2)}
.rl-item{display:flex;gap:14px;padding:6px 0;cursor:pointer}
.rl-dot{
  flex:none;width:12px;height:12px;border-radius:50%;margin-top:17px;
  background:var(--line);border:3px solid var(--card);box-shadow:0 0 0 1.5px var(--line);
}
.rl-item.soon .rl-dot{background:var(--accent);box-shadow:0 0 0 1.5px var(--accent-soft),0 0 8px rgba(217,119,6,.45)}
.rl-item.today .rl-dot{background:var(--brand);box-shadow:0 0 0 2px var(--brand-soft);animation:rlpulse 2.2s ease-in-out infinite}
@keyframes rlpulse{0%,100%{box-shadow:0 0 0 2px var(--brand-soft)}50%{box-shadow:0 0 0 6px var(--brand-soft)}}
.rl-card{
  flex:1;min-width:0;background:var(--card2);border:1px solid var(--line2);border-radius:13px;
  padding:9px 13px;transition:border-color .18s,transform .18s,box-shadow .18s,background .18s;
}
.rl-card:hover{transform:translateX(2px);border-color:var(--brand-soft);box-shadow:0 8px 18px -12px var(--brand)}
.rl-item.today .rl-card{background:var(--brand-soft);border-color:transparent}
.rl-top{display:flex;align-items:baseline;gap:6px}
.rl-num{font-size:15px;font-weight:800;color:var(--brand-ink);font-variant-numeric:tabular-nums}
.rl-item.soon .rl-num{color:var(--accent)}
.rl-unit{font-size:11.5px;color:var(--faint);font-weight:600}
.rl-top .tag{margin-left:auto}
.rl-title{font-size:.9rem;font-weight:600;margin-top:3px;line-height:1.5}
.rl-meta{font-size:.767rem;color:var(--muted);margin-top:1px}
.rl-foot{font-size:.767rem;color:var(--faint);text-align:center;margin-top:10px}
.rl-caption{font-size:.767rem;color:var(--faint);margin:-6px 0 10px}
.bars{display:flex;align-items:flex-end;gap:5px;height:110px;padding-top:6px}
.bars .b{flex:1;display:flex;flex-direction:column;align-items:center;gap:5px;min-width:0}
.bars .b i{
  display:block;width:100%;max-width:26px;border-radius:7px 7px 4px 4px;min-height:3px;
  background:linear-gradient(180deg,var(--brand2),var(--brand));
  box-shadow:0 5px 12px -5px var(--brand);opacity:.92;
  transition:height .4s cubic-bezier(.22,1,.36,1),filter .15s;position:relative;
}
.bars .b:hover i{filter:brightness(1.15)}
.bars .b.zero i{background:var(--line);box-shadow:none;opacity:.7}
.bars .b span{font-size:10px;color:var(--faint);white-space:nowrap}
.bars .b em{font-style:normal;font-size:10px;color:var(--muted)}
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.quick a{
  display:flex;flex-direction:column;gap:8px;align-items:flex-start;padding:16px;border-radius:16px;
  background:var(--card);border:1px solid var(--line2);text-decoration:none;color:var(--ink);
  transition:transform .18s,box-shadow .18s,border-color .18s;box-shadow:var(--shadow);
  font-weight:600;font-size:14px;position:relative;overflow:hidden;
}
.quick a:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-lg)}
.quick a:active{transform:translateY(-1px) scale(.99)}
.quick a .qi{width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand-ink);display:flex;align-items:center;justify-content:center;transition:transform .18s}
.quick a .qi svg{width:17px;height:17px}
.quick a:hover .qi{transform:scale(1.1) rotate(-5deg)}
.quick a small{color:var(--muted);font-weight:400;font-size:12px}

/* ============ 任务 ============ */
/* 任务仪表卡：星轨进度 */
.task-hero{
  position:relative;overflow:hidden;
  padding:24px 28px 26px;
}
.task-hero::before{
  content:"";position:absolute;right:-70px;top:-70px;width:190px;height:190px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%, var(--brand-soft), transparent 70%);pointer-events:none;
}
.th-top{display:flex;align-items:center;gap:12px;margin-bottom:18px;position:relative}
.th-kicker{font-size:11.5px;font-weight:800;color:var(--brand-ink);letter-spacing:2.5px;display:flex;align-items:center;gap:6px}
.th-label{font-size:11px;font-weight:700;color:var(--faint);letter-spacing:1.5px}
.th-body{display:grid;grid-template-columns:1fr 200px;gap:34px;align-items:center;position:relative}
.th-main{min-width:0}
.th-stars{position:relative;height:44px;display:flex;align-items:center;margin-bottom:16px}
.ts-track{position:absolute;left:14px;right:14px;height:5px;border-radius:99px;background:var(--line2)}
.ts-progress{
  position:absolute;left:14px;height:5px;border-radius:99px;
  width:calc((100% - 28px) * var(--pct,0));
  background:var(--grad-brand);box-shadow:0 2px 8px -2px var(--brand);
  transition:width .7s cubic-bezier(.22,1,.36,1);
}
.ts-nodes{position:absolute;left:14px;right:14px;top:0;bottom:0}
.ts-node{
  position:absolute;top:50%;transform:translate(-50%,-50%);
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--card);border:2px solid var(--line);color:var(--faint);
  font-size:12.5px;font-weight:700;font-style:normal;
  transition:background .25s,border-color .25s,color .25s,box-shadow .25s;
  animation:starin .4s cubic-bezier(.34,1.4,.64,1) both;animation-delay:var(--d,0s);
}
.ts-node svg{width:15px;height:15px;stroke-width:3}
.ts-node.on{
  background:var(--grad-brand);border-color:transparent;color:#fff;
  box-shadow:0 6px 16px -6px var(--brand);
}
@keyframes starin{from{opacity:0;transform:translate(-50%,-50%) scale(.35)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.th-stars.lit .ts-progress{background:linear-gradient(90deg,var(--gold),#f5d78e);box-shadow:0 2px 10px -2px var(--gold)}
.th-stars.lit .ts-node.on{background:linear-gradient(135deg,var(--gold),#e0a83f);box-shadow:0 6px 18px -6px var(--gold)}
/* 全部完成：金色彗星扫过 */
.th-stars.lit::after{
  content:"";position:absolute;left:0;top:50%;width:16px;height:16px;margin-top:-8px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, #fff 0 22%, var(--gold) 60%, transparent 75%);
  filter:drop-shadow(0 0 8px rgba(245,201,107,.9));
  animation:comet 1.3s ease-out .35s both;
}
@keyframes comet{
  0%{left:-3%;opacity:0}
  8%{opacity:1}
  100%{left:102%;opacity:0}
}
.th-nums{display:flex;align-items:baseline;gap:6px}
.th-count{font-size:34px;font-weight:800;letter-spacing:-1px;font-variant-numeric:tabular-nums;line-height:1;color:var(--brand-ink)}
.th-total{font-size:.967rem;font-weight:600;color:var(--muted)}
.th-msg{font-size:.833rem;color:var(--muted);margin-top:6px}
.th-week{flex:none;width:200px}
/* 固定柱状图高度：完成率变化不再改变卡片高度（消除闪跳） */
.th-week .bars{height:104px;padding-top:0}
.th-week .bars em,.th-week .bars span{line-height:1}
.th-bars .b i{animation:growbar .5s cubic-bezier(.22,1,.36,1) both;transform-origin:bottom}
.th-bars .b:nth-child(1) i{animation-delay:.04s}
.th-bars .b:nth-child(2) i{animation-delay:.08s}
.th-bars .b:nth-child(3) i{animation-delay:.12s}
.th-bars .b:nth-child(4) i{animation-delay:.16s}
.th-bars .b:nth-child(5) i{animation-delay:.2s}
.th-bars .b:nth-child(6) i{animation-delay:.24s}
.th-bars .b:nth-child(7) i{animation-delay:.28s}
@keyframes growbar{from{transform:scaleY(.15);opacity:.3}to{transform:scaleY(1);opacity:1}}
/* 添加任务区 */
.task-add{background:var(--card2);border:1px solid var(--line2);border-radius:14px;padding:10px;gap:10px}
.task-add .input,.task-add .select{background:var(--card);border-color:var(--line2)}
/* 模板建议 chips */
.tmpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:9px}
.tmpl{
  display:flex;align-items:center;justify-content:center;gap:7px;padding:10px 13px;border-radius:12px;
  background:var(--card2);border:1px dashed var(--line);color:var(--muted);
  font-size:.867rem;font-weight:500;text-align:center;
  transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.tmpl:hover{background:var(--brand-soft);color:var(--brand-ink);border-color:transparent;transform:translateY(-2px);box-shadow:0 6px 14px -8px var(--brand)}
.tmpl:active{transform:translateY(0) scale(.98)}
.task-item{display:flex;align-items:center;gap:13px;padding:13px 12px;border-radius:13px;border:1px solid var(--line2);background:var(--card2);margin-bottom:9px;transition:border-color .15s,transform .15s,opacity .3s,background .3s}
.task-item:hover{border-color:var(--line);transform:translateX(3px)}
.task-item.done{opacity:.62;background:linear-gradient(90deg,var(--ok-soft),var(--card2) 62%)}
.task-item.done .tk{text-decoration:line-through;color:var(--muted)}
.ck{
  width:22px;height:22px;border-radius:8px;border:2px solid var(--faint);flex:none;
  display:flex;align-items:center;justify-content:center;transition:all .18s;color:transparent;
}
.ck svg{width:13px;height:13px;stroke-width:3.2}
.task-item.done .ck{background:linear-gradient(135deg,var(--ok),#12b981);border-color:transparent;color:#fff;animation:popc .28s cubic-bezier(.34,1.5,.64,1)}
@keyframes popc{0%{transform:scale(.8)}55%{transform:scale(1.18)}100%{transform:scale(1)}}
.ck:hover{border-color:var(--brand)}
.task-item .tk{font-size:.967rem;font-weight:500;flex:1;min-width:0}
.task-item .ops{display:flex;gap:4px;opacity:0;transition:.15s}
.task-item:hover .ops{opacity:1}
.task-item.expired{border-style:dashed;opacity:.6}

/* ============ 学习/翻卡 ============ */
.flip{perspective:1400px;height:340px;cursor:pointer}
.flip .inner{position:relative;width:100%;height:100%;transition:transform .55s cubic-bezier(.4,.1,.2,1);transform-style:preserve-3d}
.flip.flipped .inner{transform:rotateY(180deg)}
.face{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:22px;border:1px solid var(--line2);
  background:radial-gradient(560px 260px at 50% -40px, rgba(99,102,241,.09), transparent 60%), var(--card);
  box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;align-items:center;justify-content:safe center;gap:10px;padding:28px;text-align:center;
  overflow-y:auto; /* 长例句/译文超出卡片时内部滚动，safe center 保证溢出时从顶部开始 */
}
.face.back{transform:rotateY(180deg);background:radial-gradient(560px 260px at 50% -40px, rgba(16,185,129,.08), transparent 60%), var(--card2)}
.face .w{font-size:46px;font-weight:800;letter-spacing:-.5px}
.face .ph{color:var(--brand);font-size:1.067rem;letter-spacing:.5px}
.face .df{font-size:1.333rem;font-weight:700;line-height:1.5}
.face .ex{font-size:.967rem;color:var(--muted);max-width:560px;line-height:1.7}
.face .ex b{color:var(--ink);font-weight:700}
.face .excn{font-size:.867rem;color:var(--faint)}
.face .spk{
  position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:11px;
  background:var(--brand-soft);color:var(--brand-ink);display:flex;align-items:center;justify-content:center;
  transition:filter .15s,transform .15s;
}
.face .spk svg{width:17px;height:17px}
.face .spk:hover{filter:brightness(.95);transform:scale(1.05)}
.face .badge{position:absolute;top:18px;left:18px}
.face .badge-wrap{position:absolute;top:18px;left:18px;display:flex;gap:6px;flex-wrap:wrap;max-width:70%}
.face .starb{position:absolute;top:16px;right:64px;width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;color:var(--faint);transition:color .15s,transform .15s}
.face .starb svg{width:17px;height:17px}
.face .starb:hover{transform:scale(1.08)}
.face .starb.on{color:var(--accent);filter:drop-shadow(0 0 4px rgba(217,119,6,.45))}
.grade-btns{display:flex;gap:12px;margin-top:18px}
.grade-btns .btn{flex:1;flex-direction:column;gap:3px;padding:13px 8px;border-radius:15px;transition:transform .18s,box-shadow .18s}
.grade-btns .btn small{font-weight:400;font-size:11px;opacity:.75}
.grade-btns .g1{background:var(--bad-soft);color:var(--bad);border-color:transparent;transform:translateY(-2px);box-shadow:0 8px 18px -8px var(--bad)}
.grade-btns .g2{background:var(--accent-soft);color:var(--accent);border-color:transparent;transform:translateY(-2px);box-shadow:0 8px 18px -8px var(--accent)}
.grade-btns .g3{background:var(--ok-soft);color:var(--ok);border-color:transparent;transform:translateY(-2px);box-shadow:0 8px 18px -8px var(--ok)}
.grade-btns .btn:active{transform:translateY(0) scale(.97);box-shadow:none}
.sess-bar{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.sess-bar .track{flex:1;height:8px;border-radius:99px;background:var(--line2);overflow:hidden}
.sess-bar .track i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:width .35s;box-shadow:0 2px 8px -2px var(--brand)}
.word-row{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:11px;transition:background .12s}
.word-row:hover{background:var(--line2)}
.word-row .w{font-weight:700;font-size:1rem;min-width:120px}
.word-row .ph{color:var(--brand);font-size:.8rem;min-width:110px}
.word-row .d{flex:1;font-size:.867rem;color:var(--muted);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.word-row .ops{display:flex;gap:2px;flex:none}
.iconb{width:30px;height:30px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;color:var(--faint);transition:color .12s,background .12s,transform .12s}
.iconb svg{width:15px;height:15px}
.iconb:hover{background:var(--brand-soft);color:var(--brand-ink);transform:scale(1.06)}
.iconb.on{color:var(--accent)}
.iconb.del:hover{background:var(--bad-soft);color:var(--bad)}
.pager{display:flex;gap:6px;justify-content:center;align-items:center;margin-top:14px;flex-wrap:wrap}
.pager button{min-width:32px;height:32px;border-radius:9px;font-size:12.5px;padding:0 8px;color:var(--muted);transition:background .15s,color .15s,transform .15s}
.pager button.on{background:var(--grad-brand);color:#fff;font-weight:700;box-shadow:0 6px 12px -6px var(--brand)}
.pager button:hover:not(.on){background:var(--line2)}
.lgrp{font-size:12px;font-weight:800;color:var(--faint);letter-spacing:1.5px;margin:16px 4px 6px}

/* ============ 检测 ============ */
.opt{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:14px 16px;border-radius:15px;
  border:2px solid var(--line2);background:var(--card);font-size:15px;margin-bottom:10px;
  transition:border-color .15s,transform .15s,background .15s,box-shadow .15s;
}
.opt:hover:not(:disabled){border-color:var(--brand);transform:translateX(4px);box-shadow:0 8px 20px -12px var(--brand)}
.opt .key{
  flex:none;width:26px;height:26px;border-radius:8px;background:var(--line2);color:var(--muted);
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;
  transition:background .15s,color .15s;
}
.opt.correct{border-color:var(--ok);background:var(--ok-soft);color:var(--ok);font-weight:600}
.opt.correct .key{background:var(--ok);color:#fff}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft);color:var(--bad)}
.opt.wrong .key{background:var(--bad);color:#fff}
.opt:disabled{cursor:default}
.q-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.q-stem{font-size:1.133rem;font-weight:600;line-height:1.6;margin-bottom:18px}
.q-stem .big-word{font-size:34px;font-weight:800;display:block;margin-bottom:4px;letter-spacing:-.5px}
.q-result-score{text-align:center;padding:10px 0 4px}
.q-result-score b{font-size:56px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-2px}
.wronglist .word-row .w{min-width:100px}
#page-quiz .tbl td{padding:10px 12px}

/* 生词本底部操作栏 */
.stars-footer{
  display:flex;align-items:center;gap:12px;padding:14px 0 2px;margin-top:14px;
  border-top:1px solid var(--line2);
}
.stars-footer .stars-count{font-size:13px;color:var(--muted);flex:none}
.stars-footer .stars-count b{color:var(--brand-ink);font-weight:800}
.stars-footer .spacer{flex:1}
.stars-cta{
  padding:12px 28px;border-radius:14px;border:none;cursor:pointer;
  font-size:14.5px;font-weight:700;color:#fff;
  background:var(--grad-brand);
  box-shadow:0 6px 20px -6px var(--brand);
  display:inline-flex;align-items:center;gap:8px;
  transition:transform .2s,box-shadow .2s,filter .2s;
}
.stars-cta svg{width:17px;height:17px}
.stars-cta:hover{transform:translateY(-2px);box-shadow:0 8px 28px -4px var(--brand);filter:brightness(1.08)}
.stars-cta:active{transform:translateY(0) scale(.97);box-shadow:0 4px 12px -4px var(--brand)}
.stars-clr{
  padding:12px 20px;border-radius:12px;border:1px solid var(--line2);
  background:var(--card);color:var(--bad);font-size:13px;font-weight:600;cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;transition:border-color .15s,background .15s;
}
.stars-clr svg{width:15px;height:15px}
.stars-clr:hover{border-color:var(--bad);background:var(--bad-soft)}
@media (max-width:820px){
  .stars-footer{flex-wrap:wrap;gap:10px}
  .stars-cta{flex:1;justify-content:center;min-width:160px}
}

/* ============ 日历 ============ */
/* 日历卡片 3D 倾斜：跟随鼠标视角旋转（transform 由 JS 内联更新），移出平滑复位 */
.cal-tilt{
  transform-style:preserve-3d;
  transition:transform .35s cubic-bezier(.22,1,.36,1);
  will-change:transform;
}
/* 移动端 / 无悬停设备：禁用倾斜（覆盖内联 transform） */
@media (hover:none),(pointer:coarse),(max-width:820px){
  .cal-tilt{transform:none!important}
}
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:8px}
.cal-head .cal-ym{font-size:18px;font-weight:800;letter-spacing:.5px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:7px}
.cal-grid .wd{text-align:center;font-size:11.5px;color:var(--faint);font-weight:700;padding:4px 0;letter-spacing:.5px}
.cal-cell{
  aspect-ratio:1;border-radius:11px;border:1.5px solid transparent;background:var(--card2);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-variant-numeric:tabular-nums;position:relative;cursor:pointer;
  transition:transform .12s,border-color .12s,box-shadow .12s,background .15s;
}
.cal-cell:hover{border-color:var(--brand-soft);transform:translateY(-1px);box-shadow:0 6px 14px -10px rgba(30,27,99,.22)}
.cal-cell .dnum{
  width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:13.5px;font-weight:600;color:var(--ink);
  transition:border-color .2s,color .2s;
}
.cal-cell.today .dnum{border:1.5px solid var(--brand);color:var(--brand);font-weight:800}
.cal-cell .n{font-size:9px;font-weight:600;color:var(--faint);line-height:1;opacity:.85}
.cal-cell .dot{position:absolute;bottom:8px;width:6px;height:6px;border-radius:50%}
.cal-cell .dot-ck{background:var(--brand);box-shadow:0 0 0 2.5px var(--brand-soft)}
.cal-cell .dot-lrn{background:var(--gold);width:5px;height:5px}
.cal-cell.other{opacity:.25;cursor:default;transform:none}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:14px}
.legend i{display:inline-block;width:11px;height:11px;border-radius:4px;margin-right:5px;vertical-align:-1px}
.legend .lg-dot{width:8px;height:8px;border-radius:50%;margin-right:6px}
.legend .lg-ring{width:11px;height:11px;border-radius:50%;border:2px solid var(--brand);background:none;vertical-align:-2px}
/* 打卡状态印章 */
.cal-status{padding:24px 20px 26px;text-align:center}
.cs-seal{
  width:78px;height:78px;margin:16px auto 14px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:2px dashed var(--line);background:var(--card2);color:var(--faint);
}
.cs-seal.ok{
  border-style:solid;border-color:transparent;
  background:var(--grad-brand);color:#fff;
  box-shadow:0 12px 28px -10px var(--brand), inset 0 0 0 5px rgba(255,255,255,.16);
  animation:popc .45s cubic-bezier(.34,1.5,.64,1);
}
.cs-ico{display:flex}
.cs-ico svg{width:30px;height:30px;stroke-width:2.2}
.cs-title{font-size:16px;font-weight:800}
.cs-sub{font-size:12.5px;color:var(--muted);margin:6px 0 14px}
.cs-sub b{color:var(--brand-ink)}

/* ============ 数据管理 ============ */
.da-head{display:flex;align-items:flex-start;gap:14px}
.da-ico{width:44px;height:44px;flex:none;border-radius:13px;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.5)}
.da-ico svg{width:21px;height:21px}
.da-ico.dl{background:var(--brand-soft);color:var(--brand-ink)}
.da-ico.ul{background:var(--ok-soft);color:var(--ok)}
.da-body{min-width:0;flex:1}
.da-body .small{line-height:1.7}
.da-chips{display:flex;flex-wrap:wrap;gap:5px;margin:8px 0}
.da-steps{display:flex;flex-direction:column;gap:3px;margin:8px 0}
.da-steps b{color:var(--brand-ink);font-weight:800}
.deck-sample{
  position:relative;background:#0f1330;color:#b9c0e8;border:1px solid rgba(255,255,255,.07);border-radius:12px;
  padding:26px 14px 12px;overflow:auto;margin-bottom:10px;
  font:12px/1.8 ui-monospace,SFMono-Regular,Consolas,"Cascadia Mono",Menlo,monospace;
}
.deck-sample::before{
  content:"";position:absolute;top:10px;left:12px;width:8px;height:8px;border-radius:50%;
  background:#ff5f57;box-shadow:12px 0 0 #febc2e,24px 0 0 #28c840;
}
.deck-prog-row{display:flex;align-items:center;gap:8px;margin-top:7px}
.deck-prog{flex:1;max-width:280px;height:6px;border-radius:99px;background:var(--line2);overflow:hidden}
.deck-prog i{display:block;height:100%;border-radius:99px;background:var(--grad-brand)}
.deck-ops{display:flex;gap:2px;flex:none}
.deck-ops .iconb:disabled{opacity:.35;pointer-events:none}
/* 检测历史正确率趋势图 */
.quiz-trend{margin:8px 0 14px;padding:14px 14px 10px;background:var(--card2);border:1px solid var(--line2);border-radius:12px}
.qt-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:2px}
.qt-last{font-size:22px;font-weight:800;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.qt-last small{font-size:12px;font-weight:600;color:var(--faint)}
.qt-lbl{font-size:12px;font-weight:600;color:var(--faint)}
.quiz-trend .grid-l{stroke:var(--line);stroke-width:1;stroke-dasharray:4 4}
.quiz-trend .grid-t{fill:var(--faint);font-size:9px}
.quiz-trend .area{fill:url(#qtAreaG)}
.quiz-trend .line{fill:none;stroke:url(#qtLineG);stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round;stroke-dasharray:900;stroke-dashoffset:900;animation:qtDraw .9s ease-out forwards}
.quiz-trend .dot{fill:var(--brand);stroke:#fff;stroke-width:1.2;opacity:0;animation:qtFade .3s ease forwards}
.quiz-trend .dot-last{fill:var(--brand2)}
.quiz-trend .dot-glow{fill:var(--brand);opacity:.13;animation:qtPulse 2.6s ease-in-out infinite}
@keyframes qtDraw{to{stroke-dashoffset:0}}
@keyframes qtFade{to{opacity:1}}
@keyframes qtPulse{0%,100%{opacity:.1}50%{opacity:.24}}
@media (prefers-reduced-motion:reduce){
  .quiz-trend .line,.quiz-trend .dot,.quiz-trend .dot-glow{animation:none;opacity:1;stroke-dashoffset:0}
}
.about-card{text-align:center;padding:28px 24px}
.about-logo{width:58px;height:58px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;font-size:37px;line-height:1;color:var(--gold);filter:drop-shadow(0 8px 16px rgba(240,189,95,.4))}
.about-name{font-size:17px;font-weight:800;letter-spacing:2px}
.about-sub{font-size:12px;color:var(--muted);margin:4px 0 14px}
.about-card .muted{text-align:left}
.about-author{font-size:22px;font-weight:800;letter-spacing:8px;color:var(--ink);margin:8px 0 2px}
.about-motto{font-size:12.5px;color:var(--gold);letter-spacing:2px}
.about-repo{margin:8px 0 2px}
.about-repo a{color:var(--brand-ink);font-weight:600;text-decoration:none;word-break:break-all}
.about-repo a:hover{text-decoration:underline}
.about-star{font-size:12.5px;color:var(--gold);letter-spacing:1px;margin-top:8px}
.foot{text-align:center;padding:26px 0 10px;color:var(--faint);font-size:12.5px;line-height:1.9}
.foot-star{color:var(--gold);font-size:14px;margin-bottom:3px;letter-spacing:8px}

/* ============ 检测页 · 星盘配置 ============ */
.quiz-set{position:relative;overflow:hidden}
.quiz-set::before{
  content:"";position:absolute;right:-60px;top:-60px;width:190px;height:190px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%, var(--brand-soft), transparent 70%);pointer-events:none;
}
.quiz-set>*{position:relative}
.qs-head{margin-bottom:4px}
.qs-kicker{font-size:11.5px;font-weight:800;color:var(--brand-ink);letter-spacing:2.5px;display:flex;align-items:center;gap:6px}
.qs-title{font-size:1.267rem;font-weight:800;margin-top:5px;letter-spacing:.3px}
.qs-sub{font-size:12.5px;color:var(--muted);margin-top:3px}
.qs-label{font-size:.733rem;font-weight:800;color:var(--faint);letter-spacing:1.5px;margin:18px 2px 8px}
.qs-grid .qs-label{margin-top:0}
.mode-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mode-card{
  position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:5px;
  padding:14px 16px;border-radius:15px;border:1.5px solid var(--line2);background:var(--card2);
  text-align:left;transition:border-color .18s,background .18s,transform .18s,box-shadow .18s;
}
.mode-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.mode-card .mc-ico{
  width:34px;height:34px;border-radius:10px;background:var(--line2);color:var(--muted);
  display:flex;align-items:center;justify-content:center;margin-bottom:3px;
}
.mode-card .mc-ico svg{width:17px;height:17px}
.mode-card b{font-size:14px}
.mode-card small{font-size:11.5px;color:var(--muted);line-height:1.5}
.mode-card .mc-check{
  position:absolute;top:10px;right:10px;width:18px;height:18px;border-radius:50%;
  background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;
  opacity:0;transform:scale(.5);transition:opacity .18s,transform .18s;
}
.mode-card .mc-check svg{width:11px;height:11px;stroke-width:3.2}
.mode-card.active{border-color:var(--brand);background:var(--brand-soft)}
.mode-card.active .mc-ico{background:var(--grad-brand);color:#fff}
.mode-card.active b{color:var(--brand-ink)}
.mode-card.active .mc-check{opacity:1;transform:scale(1)}
.qs-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
.qs-grid .select{width:100%;max-width:none}
.qs-start{margin-top:22px;text-align:center}
.qs-start .btn{padding:13px 40px;font-size:1rem;box-shadow:0 14px 30px -12px var(--brand)}
.qs-start small{display:block;margin-top:10px;color:var(--faint);font-size:11.5px}
/* 检测题卡：柔和星辉背景 */
.q-card{background:radial-gradient(560px 260px at 50% -40px, rgba(99,102,241,.08), transparent 60%), var(--card)}
/* 结果页星等评级 */
.score-stars{display:flex;align-items:center;justify-content:center;gap:5px;margin-top:8px}
.score-stars i{width:15px;height:15px;color:var(--gold);opacity:.22}
.score-stars i.on{opacity:1;filter:drop-shadow(0 0 5px rgba(245,201,107,.5))}
.score-stars i svg{width:100%;height:100%;display:block}
.score-stars em{font-style:normal;font-size:12px;font-weight:700;color:var(--faint);margin-left:7px;letter-spacing:1px}

/* ============ 浏览词库 · 记忆星等 ============ */
.wmeter{display:inline-flex;gap:2px;flex:none;margin:0 4px}
.wmeter i{width:7px;height:7px;border-radius:50%;background:var(--line)}
.wmeter i.on{background:var(--brand)}
.wmeter.gold i.on{background:var(--gold);box-shadow:0 0 4px rgba(245,201,107,.6)}
.wm-hint{text-align:center;margin-top:12px;font-size:12px}

/* ============ 数据管理 · 档案台 ============ */
.da-hero{
  position:relative;overflow:hidden;display:flex;align-items:center;gap:14px;
  padding:16px 18px;margin-bottom:16px;
  background:linear-gradient(120deg,var(--brand-soft),var(--card2) 62%);
  border:1px solid var(--line2);border-radius:16px;
}
.da-hero::after{
  content:"";position:absolute;right:-24px;top:-24px;width:84px;height:84px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%, rgba(245,201,107,.25), transparent 70%);
}
.da-hero>*{position:relative}
.da-hero-ico{
  width:40px;height:40px;flex:none;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px -8px var(--brand);
}
.da-hero-ico svg{width:19px;height:19px}
.da-hero-body{flex:1;min-width:0}
.da-hero-body b{display:block;font-size:.967rem}
.da-hero-body span{display:block;font-size:.8rem;color:var(--muted);line-height:1.6;margin-top:2px}
.da-hero-tag{flex:none}
/* 备份/恢复双卡 */
.da-ico.dl{background:var(--grad-brand);color:#fff;box-shadow:0 8px 18px -8px var(--brand)}
.da-actions{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line2)}
.da-steps{display:flex;flex-direction:column;gap:7px;margin:10px 0 4px}
.da-steps span{display:flex;align-items:center;gap:8px;font-size:.833rem;color:var(--muted)}
.da-steps b{
  width:18px;height:18px;flex:none;border-radius:50%;background:var(--brand-soft);color:var(--brand-ink);
  font-size:10.5px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
}
.da-note{background:var(--bad-soft);color:var(--bad);border-radius:10px;padding:8px 12px;font-size:12px;line-height:1.7;margin-top:12px}
.da-note b{font-weight:800}
/* 关于卡片：金色 ✦ 列表 */
.about-list{list-style:none;padding-left:0;margin:6px 0}
.about-list li{position:relative;padding-left:18px;margin:3px 0}
.about-list li::before{content:"✦";position:absolute;left:0;top:50%;transform:translateY(-50%);color:var(--gold);font-size:11px}

/* ============ 响应式 ============ */
@media (max-width:960px){
  .grid.c3,.grid.c4{grid-template-columns:1fr 1fr}
  .quick{grid-template-columns:1fr}
}
@media (max-width:820px){
  #app{grid-template-columns:1fr}
  #side{display:none}
  .task-hero{padding:20px 18px 22px}
  .th-body{grid-template-columns:1fr;gap:22px}
  .th-week{width:100%}
  .topbar{padding:14px 18px 10px}
  #pages{padding:4px 16px 110px}
  #tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:50;
    background:var(--card);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));
    justify-content:space-around;
  }
  #tabbar .nav-btn{flex-direction:column;gap:3px;font-size:10.5px;padding:6px 4px;border-radius:12px;flex:1;transition:background .18s,color .18s,transform .18s}
  #tabbar .nav-btn svg{width:20px;height:20px;transition:transform .18s}
  #tabbar .nav-btn.active{background:var(--brand-soft);color:var(--brand-ink);transform:translateY(-1px)}
  #tabbar .nav-btn.active svg{transform:scale(1.06)}
  #tabbar .nav-btn.active::before{display:none}
  #tabbar .dot{display:none!important}
  .grid.c2{grid-template-columns:1fr!important}
  .hero{padding:28px 24px}
  .hero .days{font-size:58px}
  .hero::after{right:26px;top:26px;width:13px;height:13px}
  .face .w{font-size:34px}
  .flip{height:400px}
  .word-row .ph{display:none}
  .word-row .w{min-width:96px}
  .page .row{flex-wrap:wrap;gap:8px}
  .page .row .spacer{display:none}
  .ring-wrap{flex-wrap:wrap;gap:16px}
  .ring-wrap .spacer{display:none}
  .ring-wrap>div:last-child{width:100%}
  .ring-wrap .bars{justify-content:center}
  #page-tasks .row .input{min-width:0}
  #page-tasks .row .select{width:auto}
  #page-tasks .row .btn.primary{width:100%}
  /* 学习页：移动端把开始学习/检测按钮移到标题之下、统计之上（拇指友好），桌面端保持原布局 */
  .study-home{display:flex;flex-direction:column}
  .study-home .study-cta{order:1;margin-bottom:14px;flex-wrap:wrap;row-gap:10px}
  .study-cta .btn.ghost{order:-1;flex:1 1 100%}   /* 检测生词本置顶一行、全宽（保持原高度） */
  .study-cta .btn.primary{flex:1 1 100%;padding:16px 34px!important;box-shadow:none} /* 开始学习下一行全宽加高、无阴影 */
  .study-home .grid{order:2}
  .study-home .divider{order:3}
  .study-home .small{order:4}
}
@media (max-width:480px){
  .grid.c4{grid-template-columns:1fr 1fr}
  .grid.c3{grid-template-columns:1fr} /* 三卡改单列，避免 2+1 孤卡 */
  .grade-btns{gap:8px}
  /* 学习页分段控制器：占满宽度，防止三按钮在窄屏横向溢出 */
  .segment{width:100%}
  .segment button{flex:1;padding:8px 10px;font-size:12.5px}
  /* 日历：隐藏学习量小字、压缩日期圆（详情仍可点开查看） */
  .cal-cell .n{display:none}
  .cal-cell .dnum{width:24px;height:24px;font-size:12.5px}
  .cal-cell .dot{width:5px;height:5px;bottom:5px}
  /* 总览 Hero：主按钮全宽，次要按钮两列网格 */
  .hero .hero-btns{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .hero .hero-btns .btn{width:100%}
  .hero .hero-btns .hero-primary{grid-column:1/-1}
  .hero .hero-btns .btn:last-child{grid-column:1/-1}
  /* 提醒弹窗添加行：窄屏改为堆叠布局 */
  .rem-add-row .rem-sm{flex:1 1 46%!important;width:auto!important;min-width:0}
  .rem-add-row .rem-wide{flex:1 1 100%!important;width:auto!important;min-width:0}
  .rem-add-row .btn{flex:1 1 100%}
  /* 设置行（检测页/数据页）：窄屏改纵向，控件占满宽度 */
  .setrow{flex-direction:column;align-items:stretch;gap:10px}
  .setrow .input,.setrow .select{max-width:none!important;width:100%}
  /* 检测页：模式卡与范围/题量改单列，开始按钮全宽 */
  .mode-cards{grid-template-columns:1fr}
  .qs-grid{grid-template-columns:1fr;gap:0;margin-top:16px}
  .qs-grid .qs-label{margin-top:18px}
  .qs-start .btn{width:100%;padding:13px 16px}
  /* 数据管理页：档案横幅/操作行/词库条目适配 */
  .da-hero{flex-wrap:wrap;gap:10px}
  .da-hero-tag{display:none}
  .da-actions{flex-wrap:wrap}
  .da-actions .spacer{display:none}
  .da-actions .btn{flex:1;justify-content:center}
  .da-actions .num{flex:1 1 100%}
}
/* 极窄屏（<400px）日历格改为固定高，给状态点让出空间 */
@media (max-width:400px){
  .cal-cell{aspect-ratio:auto;height:44px}
  .cal-cell .dot{bottom:4px}
}
/* 触屏设备没有 hover：操作按钮常显；悬停位移/阴影在点按后会粘滞，一并还原（桌面端保持悬停效果） */
@media (hover:none){
  .kbd-hint{display:none} /* 触屏无实体键盘，隐藏快捷键提示 */
  .task-item .ops{opacity:1}
  .remind-item .ops .iconb{opacity:1}
  .stat:hover,.quick a:hover,.tmpl:hover,.rem-tpls .tpl:hover,.opt:hover:not(:disabled),.rl-card:hover,.task-item:hover,
  .btn:hover,.iconb:hover,.spk:hover,.starb:hover,.cal-cell:hover,.m-head .x:hover,#themeBtn:hover,
  .grade-btns .btn:hover,.stars-cta:hover,.hero .btn:hover,.stat:hover .ico,.quick a:hover .qi{
    transform:none!important;
  }
  .stat:hover,.quick a:hover{box-shadow:var(--shadow)}
  .btn:hover,.tmpl:hover,.opt:hover:not(:disabled),.rl-card:hover,.cal-cell:hover,.stars-cta:hover,.grade-btns .btn:hover{box-shadow:none}
  .hero .btn.hero-primary:hover{filter:none}
}