@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500;600;700&family=Noto+Sans+SC:wght@500;700;900&display=swap');

.fu-page{
  --fu-ink:#111;
  --fu-paper:#f3f0ea;
  --fu-panel:#fffcf7;
  --fu-mute:rgba(17,17,17,.58);
  --fu-faint:rgba(17,17,17,.36);
  --fu-line:rgba(17,17,17,.14);
  --fu-ember:#c2410c;
  --fu-ember-soft:#fff0e6;
  --fu-hard:5px 5px 0 #111;
  --fu-font:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --fu-mono:'IBM Plex Mono',Consolas,monospace;
  position:relative;
  min-height:68vh;
  padding:20px 0 56px;
  color:var(--fu-ink);
  font-family:var(--fu-font);
  background:
    radial-gradient(100% 70% at 100% 0%, rgba(194,65,12,.14), transparent 52%),
    linear-gradient(180deg, #e8e2d8 0%, var(--fu-paper) 140px, #f5f2ec 100%);
}
.fu-page::before{
  content:'';
  position:absolute;inset:0;
  opacity:.4;
  background-image:radial-gradient(rgba(17,17,17,.045) 0.7px, transparent 0.7px);
  background-size:14px 14px;
  pointer-events:none;
}
.fu-wrap{
  position:relative;
  max-width:720px;
  margin:0 auto;
  padding:0 14px;
}

.fu-hero{
  position:relative;
  margin-bottom:12px;
  padding:20px 16px 16px;
  border:1px solid var(--fu-ink);
  border-radius:2px;
  background:var(--fu-panel);
  box-shadow:var(--fu-hard);
  overflow:hidden;
}
.fu-hero-glow{
  position:absolute;right:-36px;top:-48px;width:160px;height:160px;
  background:radial-gradient(circle, rgba(194,65,12,.26), transparent 70%);
  animation:fuPulse 5s ease-in-out infinite;
  pointer-events:none;
}
.fu-hero-top{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-bottom:10px;
}
.fu-kicker{
  margin:0;
  font-family:var(--fu-mono);
  font-size:11px;font-weight:600;letter-spacing:.16em;
  color:var(--fu-faint);text-transform:uppercase;
}
.fu-kicker::before{
  content:'';
  display:inline-block;width:14px;height:2px;margin-right:8px;
  vertical-align:middle;background:var(--fu-ember);
}
.fu-stamp{
  margin:0;
  padding:3px 8px;
  border:1px solid rgba(194,65,12,.45);
  font-family:var(--fu-mono);
  font-size:10px;font-weight:700;letter-spacing:.12em;
  color:var(--fu-ember);
  background:var(--fu-ember-soft);
}
.fu-title{
  margin:0 0 8px;
  font-size:clamp(28px,8vw,36px);
  font-weight:900;letter-spacing:-.035em;line-height:1.05;
}
.fu-sub{
  margin:0;
  max-width:28em;
  font-size:14px;line-height:1.55;color:var(--fu-mute);
}

.fu-rail{
  position:sticky;top:0;z-index:20;
  margin:0 -14px 12px;
  padding:8px 14px 10px;
  background:linear-gradient(180deg, rgba(243,240,234,.97), rgba(243,240,234,.9));
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--fu-line);
}
.fu-tabs{
  display:flex;gap:6px;
  overflow-x:auto;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  margin-bottom:8px;
}
.fu-tabs::-webkit-scrollbar{display:none}
.fu-tab{
  flex:1 1 0;
  min-width:0;
  border:1px solid var(--fu-ink);
  background:#fff;
  padding:10px 8px;
  font:inherit;font-size:13px;font-weight:800;
  color:var(--fu-mute);cursor:pointer;
  border-radius:2px;
  transition:background .15s ease, color .15s ease, box-shadow .15s ease;
}
.fu-tab.active{
  background:var(--fu-ink);color:#fff;
  box-shadow:3px 3px 0 var(--fu-ember);
}
.fu-rule-box{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:6px 10px;
  align-items:start;
  padding:9px 11px;
  border-left:3px solid var(--fu-ember);
  background:rgba(255,255,255,.72);
}
.fu-rule-lab{
  font-family:var(--fu-mono);
  font-size:10px;font-weight:700;letter-spacing:.12em;
  color:var(--fu-ember);padding-top:2px;
}
.fu-rule{
  margin:0;
  font-size:12.5px;line-height:1.5;color:#2c2c2c;
}

.fu-list{display:grid;gap:9px}
.fu-card{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:12px;
  align-items:center;
  padding:14px;
  border:1px solid var(--fu-line);
  border-radius:2px;
  background:#fff;
  box-shadow:3px 3px 0 rgba(0,0,0,.05);
  animation:fuRise .32s ease both;
}
.fu-card.ready{
  border-color:var(--fu-ink);
  box-shadow:4px 4px 0 #111;
}
.fu-card.ready::before{
  content:'';
  position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--fu-ember);
}
.fu-card-main{min-width:0}
.fu-card-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:6px}
.fu-pill{
  font-size:11px;font-weight:800;
  padding:2px 7px;
  border:1px solid var(--fu-line);
  background:#f7f4ef;color:#333;
  border-radius:2px;
}
.fu-pill.ok{
  border-color:var(--fu-ink);
  background:var(--fu-ink);color:#fff;
}
.fu-card-desc{font-size:13px;color:#1a1a1a;line-height:1.4}
.fu-card-desc b{font-weight:900}
.fu-meter{
  margin-top:8px;
  height:5px;
  background:rgba(17,17,17,.07);
  border:1px solid rgba(17,17,17,.1);
  overflow:hidden;
}
.fu-meter > i{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,#9a3412,var(--fu-ember));
  transition:width .4s ease;
}
.fu-card-src{
  margin-top:6px;
  font-size:12px;line-height:1.4;color:var(--fu-mute);
}
.fu-btn{
  align-self:stretch;
  min-width:88px;
  border:1px solid var(--fu-ink);
  background:var(--fu-ink);color:#fff;
  padding:10px 12px;
  font:inherit;font-size:12px;font-weight:800;
  border-radius:2px;cursor:pointer;
}
.fu-btn:not(:disabled):active{transform:translate(1px,1px)}
.fu-btn:disabled{
  opacity:.36;cursor:not-allowed;
  background:#fff;color:var(--fu-ink);
}

.fu-empty{
  display:grid;justify-items:center;gap:10px;
  padding:44px 16px;
  border:1px dashed rgba(17,17,17,.22);
  background:rgba(255,255,255,.5);
  color:var(--fu-mute);font-size:14px;text-align:center;
}
.fu-empty i{
  width:38px;height:38px;
  border:2px solid var(--fu-ink);
  border-radius:50%;
  border-top-color:var(--fu-ember);
  animation:fuSpin .9s linear infinite;
}
.fu-empty.static i{display:none}

.fu-mask{
  position:fixed;inset:0;z-index:13000;
  display:flex;align-items:flex-end;justify-content:center;
  padding:14px;
  background:rgba(17,17,17,.5);
  animation:fuFade .18s ease;
}
.fu-mask[hidden]{display:none!important}
.fu-dialog{
  width:min(400px,100%);
  padding:18px 16px 14px;
  border:1px solid #111;
  border-radius:2px;
  background:#fffcf7;
  box-shadow:6px 6px 0 #111;
  animation:fuSheet .26s cubic-bezier(.22,.61,.36,1);
}
.fu-dlg-kicker{
  margin:0 0 4px;
  font-family:var(--fu-mono);
  font-size:10px;font-weight:700;letter-spacing:.14em;
  color:var(--fu-ember);text-transform:uppercase;
}
.fu-dlg-title{
  margin:0 0 8px;
  font-size:18px;font-weight:900;letter-spacing:-.02em;
}
.fu-dlg-body{
  margin:0 0 14px;
  font-size:13.5px;line-height:1.55;color:var(--fu-mute);
}
.fu-dlg-result{
  margin:0 0 14px;
  padding:10px 12px;
  border:1px solid var(--fu-ink);
  background:var(--fu-ember-soft);
  font-size:14px;font-weight:800;line-height:1.45;
}
.fu-dlg-actions{display:flex;gap:8px;flex-wrap:wrap}
.fu-dlg-actions button{
  flex:1;
  min-width:110px;
  border:1px solid #111;
  padding:11px 12px;
  font:inherit;font-size:13px;font-weight:800;
  border-radius:2px;cursor:pointer;
}
.fu-dlg-actions .ghost{background:#fff;color:#111}
.fu-dlg-actions .primary{background:#111;color:#fff}
.fu-dlg-actions .primary:disabled{opacity:.5;cursor:wait}

.fu-toast{
  position:fixed;left:50%;bottom:calc(16px + env(safe-area-inset-bottom,0px));
  transform:translateX(-50%);
  z-index:14000;
  max-width:min(92vw,380px);
  padding:11px 16px;
  border:1px solid #111;
  background:#111;color:#fff;
  font-size:13px;font-weight:700;
  box-shadow:4px 4px 0 var(--fu-ember);
}
.fu-toast[hidden]{display:none!important}
.fu-toast.is-err{background:#991b1b;box-shadow:4px 4px 0 #111}

@keyframes fuPulse{
  0%,100%{opacity:.65;transform:scale(1)}
  50%{opacity:1;transform:scale(1.05)}
}
@keyframes fuRise{
  from{opacity:0;transform:translateY(7px)}
  to{opacity:1;transform:none}
}
@keyframes fuFade{from{opacity:0}to{opacity:1}}
@keyframes fuSheet{
  from{opacity:0;transform:translateY(16px)}
  to{opacity:1;transform:none}
}
@keyframes fuSpin{to{transform:rotate(360deg)}}

@media (min-width:720px){
  .fu-mask{align-items:center}
  .fu-dialog{animation-name:fuRise}
  .fu-rail{
    position:static;margin:0 0 12px;padding:0;
    background:transparent;backdrop-filter:none;border:0;
  }
  .fu-tabs{margin-bottom:10px}
  .fu-tab{flex:0 0 auto;min-width:96px;padding:10px 16px}
}
@media (max-width:560px){
  .fu-page{padding-bottom:64px}
  .fu-card{grid-template-columns:1fr;gap:10px}
  .fu-btn{width:100%}
  .fu-dlg-actions{flex-direction:column-reverse}
  .fu-dlg-actions button{width:100%}
}
@media (prefers-reduced-motion:reduce){
  .fu-hero-glow,.fu-card,.fu-mask,.fu-dialog,.fu-empty i{animation:none}
}