:root{
  --ink:#15221e; --muted:#60716a; --paper:#fffdf7; --cream:#f4efe4;
  --lime:#caff52; --mint:#bdeda; --orange:#ff8d61; --line:rgba(21,34,30,.13);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--paper); color:var(--ink); line-height:1.6;
  font-family:-apple-system,"Segoe UI","Microsoft YaHei","PingFang SC","Noto Sans SC",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.container{width:min(1080px,calc(100% - 40px));margin:auto}

/* nav */
.nav{height:72px;display:flex;align-items:center;justify-content:space-between}
.brand{font-weight:700;font-size:21px;letter-spacing:-1px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:8px}
.brand-mark{display:block;width:36px;height:36px;border-radius:10px;object-fit:cover;background:var(--cream);box-shadow:0 0 0 1px var(--line)}

/* nav auth */
.nav-right{display:flex;align-items:center;gap:12px}
.nav-auth{background:var(--ink);color:#fff;border:none;border-radius:999px;padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;transition:opacity .15s}
.nav-auth:hover{opacity:.88}
.user-menu{position:relative}
.user-avatar{width:38px;height:38px;border-radius:50%;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:700;cursor:pointer;border:1px solid var(--line);font-size:16px;user-select:none}
.user-drop{position:absolute;right:0;top:48px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 30px rgba(21,34,30,.12);min-width:188px;overflow:hidden;z-index:50;display:none}
.user-drop.open{display:block}
.user-drop .ud-name{padding:12px 16px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);max-width:188px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-drop button{display:block;width:100%;text-align:left;background:none;border:none;padding:12px 16px;font-size:14px;cursor:pointer;font-family:inherit;color:var(--ink)}
.user-drop button:hover{background:var(--cream)}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr 0.95fr;gap:48px;align-items:center;padding:64px 0 40px}
.hero-copy{max-width:560px}
.hero-art{display:flex;justify-content:center}
.hero-art img{width:100%;max-width:460px;height:auto;object-fit:contain;filter:drop-shadow(0 18px 40px rgba(21,34,30,.12))}
.hero h1{font-size:clamp(40px,6vw,68px);letter-spacing:-3px;line-height:1.05;margin:0 0 18px;font-weight:700}
.hero h1 em{color:#7cae4a;font-family:Georgia,serif;font-weight:400}
.hero-description{font-size:18px;color:var(--muted);margin:0 0 26px;max-width:600px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.primary-button{display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:#fff;text-decoration:none;border-radius:999px;padding:13px 22px;font-size:15px;font-weight:600}
.primary-button span{color:var(--lime)}
.text-button{display:inline-flex;align-items:center;gap:6px;color:var(--muted);text-decoration:none;font-size:14px;font-weight:500}
.safe-note{margin:18px 0 0;font-size:13px;color:var(--muted)}
@media (max-width:820px){
  .hero{grid-template-columns:1fr;gap:28px;text-align:center}
  .hero-copy{margin:0 auto}
  .hero-actions{justify-content:center}
  .hero-art{order:-1}
  .hero-art img{max-width:280px}
}


/* maker / upload */
.maker{padding:32px 0 80px}
.upload-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.upload-zone{position:relative;display:grid;place-items:center;min-height:320px;border:2px dashed var(--line);border-radius:20px;background:var(--cream);cursor:pointer;overflow:hidden;text-align:center;padding:24px}
.upload-zone.dragging{border-color:var(--ink)}
.upload-zone input{position:absolute;inset:0;opacity:0;cursor:pointer}
.upload-icon{font-size:30px;display:block;margin-bottom:10px}
.upload-zone b{font-size:17px}
.upload-zone small{display:block;margin-top:8px;color:var(--muted);font-size:13px}
.thumbs{position:absolute;inset:0;z-index:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;align-content:start;padding:14px;background:var(--cream);overflow:auto}
.thumb{position:relative;aspect-ratio:1;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#fff}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb .thumb-x{position:absolute;top:4px;right:4px;width:20px;height:20px;line-height:18px;text-align:center;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;font-size:13px;border:none;cursor:pointer;padding:0}
.thumb.add{display:grid;place-items:center;border-style:dashed;color:var(--muted);font-size:26px;cursor:pointer}
#remove-photo{position:absolute;top:12px;right:12px;z-index:2;background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:12px;cursor:pointer}

/* wizard card */
.options-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 10px 30px rgba(21,34,30,.06)}
label{display:block;font-size:14px;font-weight:600;margin-bottom:14px}
label input,label select{display:block;width:100%;margin-top:8px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:15px;background:#fff;font-family:inherit}
.style-label{font-size:14px;font-weight:600;margin:0 0 8px}
.style-chips{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.chip{background:var(--cream);border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:13px;cursor:pointer;font-family:inherit}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.generate-button{width:100%;background:var(--ink);color:#fff;border:none;border-radius:12px;padding:14px;font-size:15px;font-weight:600;cursor:pointer}
.generate-button:disabled{opacity:.6;cursor:default}
/* step progress (overall flow) */
.stepper{display:flex;list-style:none;margin:0 0 22px;padding:0}
.stepper .step{flex:1;position:relative;display:flex;flex-direction:column;align-items:center;gap:7px;font-size:13px;color:var(--muted);white-space:nowrap}
.stepper .step .dot{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid var(--line);font-size:13px;font-weight:600;color:var(--muted);z-index:1}
.stepper .step.active{color:var(--ink);font-weight:600}
.stepper .step.active .dot{background:var(--ink);border-color:var(--ink);color:#fff}
.stepper .step.done .dot{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.stepper .step:not(:last-child)::after{content:"";position:absolute;top:14px;left:50%;width:100%;height:2px;background:var(--line)}
.stepper .step.done:not(:last-child)::after{background:var(--lime)}

/* v2 wizard steps */
.wizard-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;font-size:15px;font-weight:600}
.wizard-back{color:var(--muted);cursor:pointer;font-weight:500}
.wizard-back:hover{color:var(--ink)}
.status-line{font-size:15px;margin-bottom:10px;color:var(--muted)}
progress{width:100%;height:10px;border-radius:999px;margin-bottom:18px}
.preview-wrap{background:var(--cream);border-radius:16px;padding:12px;display:flex;justify-content:center;align-items:center;min-height:180px;margin-bottom:18px}
.preview-wrap img{max-width:100%;max-height:220px;border-radius:12px;background:repeating-conic-gradient(#e8e4da 0 25%,#f4efe4 0 50%) 0 0/20px 20px}
.wizard-tip{font-size:14px;color:var(--muted);margin:0 0 16px}
.actions-list{display:flex;flex-direction:column;gap:10px;max-height:320px;overflow:auto;margin-bottom:14px}
.action-row{display:flex;align-items:center;gap:10px;background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.action-row.locked{opacity:.7}
.action-row input[type=checkbox]{width:18px;height:18px;accent-color:var(--ink)}
.action-name{flex:1;font-size:15px;font-weight:600}
.action-meta{font-size:12px;color:var(--muted)}
.badge{font-size:11px;padding:4px 8px;border-radius:999px;font-weight:600}
.badge-free{background:var(--mint);color:var(--ink)}
.badge-locked{background:#ffe0d1;color:var(--ink)}
.badge-always{background:var(--ink);color:#fff}
.action-row select{padding:6px 8px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:#fff;font-family:inherit}
.custom-action{display:flex;gap:8px;margin-bottom:14px}
.custom-action input{flex:1;margin:0;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit}
.custom-action select{width:110px;margin:0;font-family:inherit}
.custom-action button{background:var(--ink);color:#fff;border:none;border-radius:10px;padding:0 14px;font-size:13px;cursor:pointer}
.previews-list{display:flex;flex-direction:column;gap:16px;max-height:360px;overflow:auto;margin-bottom:18px}
.preview-card{background:var(--cream);border:1px solid var(--line);border-radius:16px;padding:14px}
.preview-card img{max-width:100%;border-radius:12px;background:repeating-conic-gradient(#e8e4da 0 25%,#f4efe4 0 50%) 0 0/20px 20px}
.preview-img-wrap{display:flex;justify-content:center;align-items:center;min-height:120px}
.error-preview{color:#c0392b;background:#fff0eb;border:1px dashed #ff8d61}
.locked-preview{color:var(--muted);background:#f4f4f4;border:1px dashed var(--line)}
.preview-name{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px;font-weight:600}
.preview-name button{background:var(--ink);color:#fff;border:none;border-radius:8px;padding:5px 10px;font-size:12px;cursor:pointer}
.empty-review{color:var(--muted);font-size:14px;padding:20px;text-align:center}

/* footer */
.footer{border-top:1px solid var(--line);padding:32px 0;margin-top:20px}
.footer .container{display:flex;flex-direction:column;gap:6px}
.footer p{margin:0;color:var(--muted);font-size:14px}
.footer small{color:var(--muted);font-size:12px}

/* modal */
.modal{position:fixed;inset:0;background:rgba(21,34,30,.45);display:grid;place-items:center;z-index:100;padding:20px}
.modal[hidden]{display:none}
.modal-box{background:var(--paper);width:min(400px,100%);border-radius:20px;padding:28px;position:relative;box-shadow:0 20px 60px rgba(21,34,30,.25);max-height:90vh;overflow:auto}
.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:26px;line-height:1;color:var(--muted);cursor:pointer;padding:0}
.modal-close:hover{color:var(--ink)}
.modal-title{margin:0 0 18px;font-size:18px}
.modal-tabs{display:flex;gap:6px;margin-bottom:20px;background:var(--cream);padding:4px;border-radius:12px}
.modal-tab{flex:1;background:none;border:none;padding:9px;border-radius:9px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;font-family:inherit}
.modal-tab.active{background:#fff;color:var(--ink);box-shadow:0 2px 6px rgba(21,34,30,.08)}
.auth-form label{margin-bottom:14px}
.auth-form input{margin-top:8px}
.auth-error{color:#c0392b;font-size:13px;min-height:18px;margin:-6px 0 8px}
.auth-hint{font-size:13px;color:var(--muted);margin:14px 0 0;text-align:center}

/* library */
.library-list{display:flex;flex-direction:column;gap:12px;max-height:62vh;overflow:auto}
.lib-card{display:flex;gap:12px;align-items:center;background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:12px}
.lib-card img{width:64px;height:64px;border-radius:10px;object-fit:cover;background:#fff;flex-shrink:0}
.lib-card .lib-meta{flex:1;min-width:0}
.lib-card .lib-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lib-card .lib-sub{font-size:12px;color:var(--muted)}
.lib-card a{font-size:13px;color:var(--ink);text-decoration:underline;white-space:nowrap}

/* quota */
.quota-body{font-size:14px;color:var(--ink)}
.quota-body .quota-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
.quota-body .quota-row:last-child{border-bottom:none}
.quota-body .quota-row b{font-weight:700}
.quota-body .quota-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.6}
.quota-body a{color:var(--ink);text-decoration:underline}

/* responsive */
@media(max-width:900px){
  .upload-layout{grid-template-columns:1fr}
  .upload-zone{min-height:260px}
  .hero{padding:48px 0 56px}
  .maker{padding:24px 0 64px}
}