.ap-tool{
  padding: 50px 0;
}
.ap-tool .upload-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.ap-tool .upload-card-head h2{margin:0}
.ap-tool .quota-badge{font-size:11.5px;font-weight:800;padding:5px 10px;border-radius:7px;background:var(--good-bg);color:var(--good);white-space:nowrap}
.ap-tool .quota-badge.low{background:var(--mid-bg);color:var(--mid)}
.ap-tool .quota-badge.out{background:var(--poor-bg);color:var(--poor)}

.ap-tool .room-select{width:100%;border:1.5px solid var(--line);border-radius:9px;padding:11px 12px;font-family:inherit;font-size:13.5px;background:var(--neutral);color:var(--ink)}
.ap-tool .room-select:focus{outline:none;border-color:var(--accent)}
.ap-tool .opt-tag{font-weight:600;color:var(--muted);text-transform:none;letter-spacing:0;font-size:11.5px}

.ap-tool .prompt-wrap{margin-top:18px}
.ap-tool .prompt-wrap label{font-weight:700;font-size:13px;display:block;margin-bottom:8px}
.ap-tool .prompt-wrap textarea{width:100%;min-height:84px;resize:vertical;border:1.5px solid var(--line);border-radius:9px;padding:12px 14px;font-family:inherit;font-size:13.5px;background:var(--neutral);color:var(--ink)}
.ap-tool .prompt-wrap textarea:focus{outline:none;border-color:var(--accent)}

.ap-tool .style-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.ap-tool .style-chip{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 13px;font-size:12px;font-weight:700;cursor:pointer;color:var(--ink);transition:.15s}
.ap-tool .style-chip:hover{border-color:var(--accent);color:var(--accent)}
.ap-tool .style-chip.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}

.ap-tool .paywall-panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-top:16px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.ap-tool .paywall-panel p{margin:0;font-size:13px;color:var(--muted)}
.ap-tool .paywall-panel p b{color:var(--mid)}
.ap-tool .paywall-panel .btn{padding:9px 16px}

.ap-tool .gen-progress{display:flex;flex-direction:column;align-items:center;gap:16px;padding:40px 16px;text-align:center}
.ap-tool .gen-spinner{width:52px;height:52px;animation:apSpin 1.1s linear infinite}
.ap-tool .gen-spinner circle{fill:none;stroke:var(--accent);stroke-width:4;stroke-linecap:round;stroke-dasharray:90;stroke-dashoffset:60}
@keyframes apSpin{to{transform:rotate(360deg)}}
.ap-tool .gen-progress-bar{width:100%;max-width:360px;height:8px;border-radius:99px;background:var(--neutral-2);overflow:hidden}
.ap-tool .gen-progress-fill{height:100%;width:0%;background:var(--accent);border-radius:99px;transition:width .5s ease}
.ap-tool .gen-progress-status{margin:0;font-weight:700;font-size:13.5px;min-height:18px}
.ap-tool .gen-progress-dots{display:flex;gap:7px}
.ap-tool .gen-progress-dots i{width:8px;height:8px;border-radius:50%;background:var(--tan);animation:apDotPulse 1.4s ease-in-out infinite}
.ap-tool .gen-progress-dots i:nth-child(2){animation-delay:.15s}
.ap-tool .gen-progress-dots i:nth-child(3){animation-delay:.3s}
.ap-tool .gen-progress-dots i:nth-child(4){animation-delay:.45s}
.ap-tool .gen-progress-dots i:nth-child(5){animation-delay:.6s}
@keyframes apDotPulse{0%,100%{opacity:.3;transform:scale(.85)}50%{opacity:1;background:var(--accent);transform:scale(1)}}
@media (prefers-reduced-motion: reduce){
  .ap-tool .gen-spinner{animation:none}
  .ap-tool .gen-progress-dots i{animation:none;opacity:.7}
}

.ap-tool .gen-result{display:flex;flex-direction:column;gap:16px;margin-top:18px}
.ap-tool .gen-compare{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ap-tool .gen-compare figure{margin:0;position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--neutral)}
.ap-tool .gen-compare img{width:100%;height:100%;object-fit:cover;display:block;aspect-ratio:4/3}
.ap-tool .gen-compare figcaption{position:absolute;left:10px;top:10px;background:rgba(32,36,31,.78);color:#fff;font-size:11px;font-weight:800;padding:4px 10px;border-radius:7px;letter-spacing:.04em;text-transform:uppercase}
.ap-tool .demo-badge{display:inline-flex;align-items:center;gap:6px;background:var(--mid-bg);color:var(--mid);font-size:12px;font-weight:800;padding:7px 12px;border-radius:8px;align-self:flex-start}

.ap-tool .cand-intro{margin:0 0 14px;font-size:13.5px;color:var(--muted)}
.ap-tool .cand-intro b{color:var(--ink);font-family:var(--mono)}
.ap-tool .cand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.ap-tool .cand-card{border:1.5px solid var(--line);border-radius:12px;background:#fff;padding:14px;text-align:left;cursor:pointer;transition:.15s;display:flex;flex-direction:column;gap:10px}
.ap-tool .cand-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 12px 20px -14px rgba(32,36,31,.4)}
.ap-tool .cand-sw{display:block;height:64px;border-radius:9px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.ap-tool .cand-info b{display:block;font-size:13.5px}
.ap-tool .cand-info small{color:var(--muted);font-size:11px;font-family:var(--mono);display:block;margin:2px 0 8px}

.ap-tool .why-section{margin:38px 0}
.ap-tool .why-head{max-width:60ch;margin-bottom:22px}
.ap-tool .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ap-tool .why-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}
.ap-tool .why-card .why-ico{width:38px;height:38px;border-radius:9px;background:var(--neutral-2);display:flex;align-items:center;justify-content:center;margin-bottom:12px;color:var(--accent)}
.ap-tool .why-card .why-ico svg{width:19px;height:19px}
.ap-tool .why-card h3{font-size:14px;font-weight:600;margin:0 0 6px}
.ap-tool .why-card p{margin:0;font-size:13px;color:var(--muted)}

.ap-tool .itten-section{margin:38px 0}
.ap-tool .itten-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.ap-tool .itten-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 14px;text-align:center;transition:.15s}
.ap-tool .itten-card:hover{border-color:var(--tan);transform:translateY(-2px);box-shadow:0 12px 20px -16px rgba(32,36,31,.35)}
.ap-tool .itten-svg{width:84px;height:84px;margin:0 auto 14px;display:block}
.ap-tool .itten-svg .iw-disc{fill:var(--neutral);stroke:var(--line);stroke-width:1}
.ap-tool .itten-svg .iw-poly{fill:none;stroke:var(--tan);stroke-width:1;stroke-dasharray:1.6 1.6;opacity:.8}
.ap-tool .itten-svg .iw-dot{stroke:#fff;stroke-width:1.4}
.ap-tool .itten-svg .iw-dot.base{stroke:#fff;stroke-width:1.8}
.ap-tool .itten-card h3{font-size:12.5px;font-weight:600;margin:0 0 6px}
.ap-tool .itten-card p{margin:0;font-size:11.5px;color:var(--muted);line-height:1.45}

.ap-tool .usecase-section{margin:38px 0}
.ap-tool .usecase-section:first-child{margin-top:44px;margin-bottom:26px}
.ap-tool .usecase-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.ap-tool .usecase-card{display:flex;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}
.ap-tool .usecase-num{flex:none;width:34px;height:34px;border-radius:9px;background:var(--accent);color:#fff;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}
.ap-tool .usecase-card h3{font-size:14px;font-weight:600;margin:0 0 5px}
.ap-tool .usecase-card p{margin:0;font-size:13px;color:var(--muted)}

@media(max-width:900px){
  .ap-tool .cand-grid{grid-template-columns:1fr}
  .ap-tool .why-grid{grid-template-columns:1fr}
  .ap-tool .itten-grid{grid-template-columns:repeat(2,1fr)}
  .ap-tool .usecase-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .ap-tool .gen-compare{grid-template-columns:1fr}
}
.ap-tool .crow{
  align-items: baseline;
}
.cand-item-wrap.crow.pick-row.empty{
  max-width: 220px;
}