:root{
  --navy:#2A4E8C; --navy-d:#1f3c6e; --blush:#FABFBC; --blush-d:#f3a6a2;
  --cream:#F4ECDB; --cream-d:#ece0c8; --ink:#2b2b33; --muted:#6b6b78;
  --line:#e3d8c2; --white:#fffdf8; --ok:#3f9b6a; --warn:#d98a3a; --bad:#cf5b54;
  --shadow:0 6px 22px rgba(42,78,140,.10); --radius:18px;
}
*{box-sizing:border-box}
body{
  margin:0;font-family:"PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif;
  color:var(--ink);background:var(--cream);line-height:1.6;-webkit-font-smoothing:antialiased;
}
em{font-style:normal;color:var(--navy);}
h1,h2{margin:0;font-weight:800;letter-spacing:.01em}
.hint{color:var(--muted);font-size:.92rem;margin:.2rem 0 1rem}

/* top bar */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.7rem 1.2rem;background:var(--white);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:30}
.brand{display:flex;align-items:center;gap:.5rem;cursor:pointer}
.brand-mark{color:var(--blush-d);font-size:1.4rem}
.brand-name{font-weight:800;color:var(--navy);font-size:1.15rem}
.topnav{display:flex;align-items:center;gap:.3rem}
.navlink{background:none;border:none;color:var(--muted);font:inherit;font-weight:600;
  padding:.45rem .7rem;border-radius:10px;cursor:pointer}
.navlink:hover{background:var(--cream);color:var(--navy)}
.mode-badge{font-size:.72rem;padding:.2rem .5rem;border-radius:20px;margin-left:.3rem;
  background:var(--cream-d);color:var(--muted)}
.mode-badge.live{background:#e7f4ec;color:var(--ok)}
.mode-badge.demo{background:#fdeee0;color:var(--warn)}

/* layout */
#app{max-width:980px;margin:0 auto;padding:1.4rem 1.1rem 4rem}
.hero{text-align:center;padding:1.4rem 0 1rem}
.hero h1{font-size:2rem}
.hero .sub{color:var(--muted);max-width:40rem;margin:.6rem auto 0}
.step-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.2rem 1.3rem;margin:1rem 0;box-shadow:var(--shadow)}
.step-card.narrow{max-width:560px;margin-inline:auto}
.step-card.optional{background:#fffefb}
.step-head{display:flex;align-items:center;gap:.6rem;margin-bottom:.3rem;flex-wrap:wrap}
.step-head h2{font-size:1.15rem}
.step-no{display:grid;place-items:center;width:1.7rem;height:1.7rem;border-radius:50%;
  background:var(--navy);color:#fff;font-size:.9rem;font-weight:700}
.opt-tag{font-size:.7rem;font-weight:700;color:var(--blush-d);background:#fdeceb;
  padding:.12rem .5rem;border-radius:20px}

/* style grid */
.style-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.8rem}
.style-card{border:2px solid var(--line);border-radius:14px;overflow:hidden;cursor:pointer;
  background:#fff;transition:.15s;text-align:left}
.style-card:hover{border-color:var(--blush);transform:translateY(-2px)}
.style-card.sel{border-color:var(--navy);box-shadow:0 0 0 3px rgba(42,78,140,.12)}
.style-thumb{aspect-ratio:1;background:var(--cream-d) center/cover;display:block;width:100%}
.style-meta{padding:.5rem .6rem}
.style-meta .nm{font-weight:700;font-size:.92rem}
.style-meta .ds{font-size:.74rem;color:var(--muted);line-height:1.35;margin-top:.15rem}
.swatch{display:inline-block;width:.7rem;height:.7rem;border-radius:50%;margin-right:.3rem;vertical-align:middle}

/* segmented */
.seg{display:inline-flex;background:var(--cream);border-radius:12px;padding:.2rem;margin-left:auto}
.seg-btn{border:none;background:none;font:inherit;font-weight:600;color:var(--muted);
  padding:.35rem .8rem;border-radius:9px;cursor:pointer}
.seg-btn.active{background:#fff;color:var(--navy);box-shadow:0 1px 4px rgba(0,0,0,.08)}

/* uploader */
.uploader{border:2px dashed var(--blush);border-radius:14px;padding:1.6rem;text-align:center;
  cursor:pointer;background:#fffdfa;transition:.15s}
.uploader.drag{background:#fff3f2;border-color:var(--blush-d)}
.up-icon{font-size:1.6rem}
.up-sub{font-size:.78rem;color:var(--muted);margin-top:.2rem}
.thumbs{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.8rem}
.thumb{position:relative;width:84px;height:84px;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .rm{position:absolute;top:2px;right:2px;background:rgba(0,0,0,.55);color:#fff;border:none;
  width:20px;height:20px;border-radius:50%;cursor:pointer;font-size:.8rem;line-height:1}

/* fields */
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
label{display:flex;flex-direction:column;gap:.3rem;font-size:.85rem;font-weight:600;color:var(--ink)}
input[type=text],textarea,select{font:inherit;padding:.5rem .65rem;border:1px solid var(--line);
  border-radius:10px;background:#fff;color:var(--ink)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(42,78,140,.1)}
textarea{resize:vertical}

/* options form */
.options-form{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.9rem}
.opt-group{display:flex;flex-direction:column;gap:.3rem}
.opt-group>span.lbl{font-size:.82rem;font-weight:700;color:var(--navy)}
.chips{display:flex;flex-wrap:wrap;gap:.35rem}
.chip{border:1px solid var(--line);background:#fff;border-radius:20px;padding:.28rem .7rem;
  font-size:.82rem;cursor:pointer;color:var(--ink)}
.chip:hover{border-color:var(--blush)}
.chip.sel{background:var(--navy);color:#fff;border-color:var(--navy)}
.opt-full{grid-column:1/-1}
.occasion-suggest{font-size:.8rem;color:var(--navy);background:#eef3fb;border-radius:10px;
  padding:.5rem .7rem;margin-top:.4rem}

/* read result */
.read-result{display:grid;gap:.7rem}
.subj-card{border:1px solid var(--line);border-radius:12px;padding:.7rem .9rem;background:#fffdfa}
.subj-card .sh{font-weight:700;color:var(--navy);margin-bottom:.2rem}
.subj-card .row{font-size:.84rem;color:var(--ink)}
.subj-card .row b{color:var(--muted);font-weight:600}

/* align */
.align-result{display:grid;gap:.8rem}
.align-block{border:1px solid var(--line);border-radius:12px;padding:.8rem 1rem;background:#fffdfa}
.align-block h3{margin:0 0 .4rem;font-size:.95rem;color:var(--navy)}
.align-block ul{margin:.2rem 0;padding-left:1.1rem}
.conflict{border-left:3px solid var(--warn);background:#fdf6ee}
.ready-yes{color:var(--ok);font-weight:700}
.ready-no{color:var(--warn);font-weight:700}

/* candidates */
.candidate-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem}
.cand{border:2px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;cursor:pointer;transition:.15s}
.cand:hover{border-color:var(--blush);transform:translateY(-2px)}
.cand.best{border-color:var(--ok)}
.cand-img{aspect-ratio:1;background:#fff center/contain no-repeat;display:block;width:100%;
  background-image:repeating-conic-gradient(#f4f1ea 0% 25%,#fff 0% 50%);background-size:18px 18px}
.cand-img img{width:100%;height:100%;object-fit:contain}
.cand-foot{padding:.5rem .6rem;display:flex;align-items:center;justify-content:space-between;gap:.4rem}
.cand-label{font-size:.82rem;font-weight:600}
.badge{font-size:.68rem;padding:.12rem .45rem;border-radius:20px;font-weight:700}
.badge.pass{background:#e7f4ec;color:var(--ok)}
.badge.review{background:#fdeee0;color:var(--warn)}
.badge.best{background:#e7f4ec;color:var(--ok)}
.regen-row{margin-top:1rem;text-align:center}

/* refine + background */
.refine-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:1.2rem}
.refine-canvas{position:relative;background:repeating-conic-gradient(#f4f1ea 0% 25%,#fff 0% 50%);
  background-size:22px 22px;border:1px solid var(--line);border-radius:var(--radius);
  display:grid;place-items:center;min-height:380px;padding:1rem}
.refine-canvas img{max-width:100%;max-height:520px;object-fit:contain;border-radius:8px}
.verdict-chip{position:absolute;top:.7rem;left:.7rem;background:rgba(255,255,255,.92);
  border:1px solid var(--line);border-radius:20px;padding:.25rem .7rem;font-size:.74rem;font-weight:600}
.refine-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.1rem 1.2rem;box-shadow:var(--shadow)}
.edit-controls{display:grid;gap:.7rem;margin:.6rem 0}
.edit-row{display:grid;grid-template-columns:1fr auto;gap:.4rem;align-items:end}
.free-edit{border-top:1px dashed var(--line);margin-top:.8rem;padding-top:.8rem;display:grid;gap:.4rem}
.refine-actions{display:flex;gap:.6rem;margin-top:1rem;flex-wrap:wrap}
.bg-controls{display:grid;gap:.8rem;margin:.6rem 0}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem}
.gcard{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.gcard-img{aspect-ratio:1;background:repeating-conic-gradient(#f4f1ea 0% 25%,#fff 0% 50%);background-size:16px 16px}
.gcard-img img{width:100%;height:100%;object-fit:contain}
.gcard-body{padding:.5rem .6rem}
.gcard-body .gl{font-size:.82rem;font-weight:600;margin-bottom:.1rem}
.gcard-body .gk{font-size:.7rem;color:var(--muted)}
.gcard-acts{display:flex;gap:.3rem;padding:.4rem .6rem .6rem;flex-wrap:wrap}
.mini{font-size:.72rem;padding:.2rem .5rem;border:1px solid var(--line);background:#fff;
  border-radius:8px;cursor:pointer;color:var(--muted)}
.mini:hover{border-color:var(--blush);color:var(--navy)}
.tag-kind{display:inline-block;font-size:.64rem;padding:.1rem .4rem;border-radius:6px;background:var(--cream-d);color:var(--muted)}
.tag-kind.bg{background:#eef3fb;color:var(--navy)}

/* lookup + done */
.lookup-row{display:flex;gap:.5rem}
.lookup-row input{flex:1}
.lookup-result{margin-top:1rem}
.ordno{font-family:ui-monospace,monospace;letter-spacing:.04em;color:var(--navy)}
.done-card{max-width:560px;margin:2rem auto;text-align:center;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow)}
.done-icon{font-size:2.4rem}
.done-img img{max-width:100%;border-radius:12px;margin-top:1rem}

/* buttons / bars */
.btn{font:inherit;font-weight:700;border:1px solid var(--line);background:#fff;color:var(--navy);
  padding:.55rem 1rem;border-radius:12px;cursor:pointer;transition:.15s}
.btn:hover{border-color:var(--blush)}
.btn.primary{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn.primary:hover{background:var(--navy-d)}
.btn.ghost{background:transparent;color:var(--muted)}
.btn.lg{padding:.7rem 1.4rem;font-size:1rem}
.btn:disabled{opacity:.45;cursor:not-allowed}
.actions-bar{display:flex;justify-content:space-between;gap:.8rem;margin-top:1.2rem}
.actions-bar.center{justify-content:center}

.loading{color:var(--muted);padding:1rem;text-align:center}

/* overlay + toast */
.overlay{position:fixed;inset:0;background:rgba(31,60,110,.34);display:grid;place-items:center;z-index:50;backdrop-filter:blur(2px)}
.overlay-box{background:#fff;border-radius:16px;padding:1.6rem 2rem;text-align:center;box-shadow:var(--shadow);min-width:240px}
.spinner{width:38px;height:38px;border:4px solid var(--cream-d);border-top-color:var(--navy);
  border-radius:50%;margin:0 auto .8rem;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;bottom:1.4rem;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;
  padding:.7rem 1.2rem;border-radius:12px;z-index:60;font-weight:600;box-shadow:var(--shadow)}

@media(max-width:760px){
  .refine-layout{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .topnav .navlink{padding:.4rem .5rem;font-size:.9rem}
  .hero h1{font-size:1.6rem}
}