/* ============ PRODUCT CODE GENERATOR ============ */

/* ---------- hero ---------- */
.gen-hero{min-height:auto;align-items:flex-start;background:radial-gradient(900px 520px at 85% 10%,rgba(48,135,200,.22),transparent 60%),var(--ink);overflow:hidden}
.gen-hero::before{display:none}
.gen-grid-bg{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 60% 80% at 80% 30%,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse 60% 80% at 80% 30%,#000 10%,transparent 70%);animation:gridpan 16s linear infinite}
.gen-hero .page-hero-content{padding-top:170px;padding-bottom:70px}
.gen-hero h1{font-size:clamp(46px,6.6vw,96px);max-width:900px}
.decode{display:flex;align-items:center;gap:12px;margin-top:38px;max-width:640px;height:64px;padding:0 8px 0 20px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid var(--line-2);backdrop-filter:blur(10px);transition:border-color .3s,box-shadow .3s}
.decode:focus-within{border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(48,135,200,.18)}
.decode svg{width:22px;height:22px;color:var(--brand-2);flex:none}
.decode input{flex:1;min-width:0;height:100%;background:none;border:0;outline:0;color:#fff;font-family:var(--mono);font-size:15px;letter-spacing:.02em}
.decode input::placeholder{color:#6f7d8f}
.decode .btn{height:48px}
.decode-msg{min-height:22px;margin-top:10px;font-size:14px;color:var(--muted)}
.decode-msg.err{color:#ff9d92}
.decode-msg.ok{color:#3ddc97}
.gen-stats{grid-template-columns:repeat(3,1fr);max-width:620px;margin-top:40px}

/* ---------- layout ---------- */
.gen-app{padding:70px 0 0;position:relative}
.gen-layout{display:grid;grid-template-columns:380px minmax(0,1fr);gap:28px;align-items:start;padding-bottom:140px}
.br-step{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:#fff;background:var(--dark);width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:none}

/* ---------- browser ---------- */
.browser{position:sticky;top:96px;display:flex;flex-direction:column;gap:14px;padding:22px;border-radius:26px;background:#fff;border:1px solid var(--dark-line);max-height:calc(100vh - 120px);box-shadow:0 30px 60px -40px rgba(11,18,32,.3)}
.nav.hide~main .browser{top:24px;max-height:calc(100vh - 48px)}
.br-head{display:flex;align-items:center;gap:14px}
.br-head b{display:block;font-family:var(--display);font-size:18px;font-weight:600;letter-spacing:-.01em}
.br-head span:not(.br-step){font-size:13px;color:var(--dark-muted)}
.br-search{display:flex;align-items:center;gap:10px;height:46px;padding:0 14px;border-radius:14px;background:var(--paper);border:1px solid var(--dark-line);cursor:text;transition:border-color .25s,box-shadow .25s,background .25s}
.br-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(48,135,200,.14)}
.br-search svg{width:17px;height:17px;color:var(--dark-muted);flex:none}
.br-search input{flex:1;min-width:0;border:0;outline:0;background:none;font:inherit;font-size:14.5px;color:var(--dark)}
.br-types,.br-feats{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;padding:7px 12px;border-radius:999px;border:1px solid var(--dark-line);background:#fff;color:var(--dark);transition:background .25s,color .25s,border-color .25s}
.chip i{font-style:normal;font-family:var(--mono);font-size:10.5px;opacity:.6}
.chip:hover{border-color:rgba(48,135,200,.5)}
.chip.on{background:var(--dark);border-color:var(--dark);color:#fff}
.br-feats .chip{font-size:12.5px;padding:5px 11px;background:var(--paper)}
.br-feats .chip.on{background:var(--brand);border-color:var(--brand);color:#fff}
.br-feats:empty{display:none}
.br-list{overflow-y:auto;margin:0 -8px;padding:2px 8px 4px;display:grid;gap:6px;overscroll-behavior:contain;scrollbar-width:thin}
.m-item{display:flex;align-items:center;gap:12px;padding:8px 10px 8px 8px;border-radius:16px;border:1px solid transparent;text-align:left;width:100%;transition:background .2s,border-color .2s}
.m-item:hover{background:var(--paper)}
.m-item.on{background:rgba(48,135,200,.08);border-color:rgba(48,135,200,.4)}
.m-thumb{width:52px;height:52px;border-radius:12px;background:radial-gradient(circle at 50% 40%,#fbfcfd,#e7ecf2 80%);display:grid;place-items:center;overflow:hidden;flex:none;color:var(--brand)}
.m-thumb img{width:84%;height:84%;object-fit:contain;mix-blend-mode:multiply}
.m-thumb svg{width:24px;height:24px}
.m-txt{min-width:0;flex:1}
.m-txt b{display:block;font-family:var(--mono);font-size:13px;font-weight:500;color:var(--dark)}
.m-txt span{display:block;font-size:13px;color:var(--dark-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.m-n{font-family:var(--mono);font-size:10.5px;color:var(--dark-muted);flex:none}
.br-empty{padding:30px 10px;text-align:center;color:var(--dark-muted);font-size:14px}

/* ---------- configurator ---------- */
.config{min-height:640px}
.cfg-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;min-height:640px;padding:40px;border-radius:26px;border:1.5px dashed rgba(11,18,32,.15)}
.cfg-empty b{font-family:var(--display);font-size:24px;letter-spacing:-.02em}
.cfg-empty p{max-width:420px;color:var(--dark-muted)}
.cfg-empty-art{display:flex;align-items:center;gap:6px;margin-bottom:16px;font-family:var(--mono);font-size:22px}
.cfg-empty-art span{padding:10px 14px;border-radius:12px;background:#fff;border:1px solid var(--dark-line);color:var(--dark-muted);animation:blip 2.4s ease-in-out infinite}
.cfg-empty-art span:first-child{color:var(--dark)}
.cfg-empty-art span:nth-of-type(2){animation-delay:.3s}.cfg-empty-art span:nth-of-type(3){animation-delay:.6s}.cfg-empty-art span:nth-of-type(4){animation-delay:.9s}
.cfg-empty-art i{font-style:normal;color:#b3bcc7}
@keyframes blip{50%{border-color:var(--brand);color:var(--brand);transform:translateY(-3px)}}

.cfg{display:flex;flex-direction:column;gap:22px}
.cfg-head{display:grid;grid-template-columns:170px 1fr;gap:26px;align-items:center;padding:22px;border-radius:26px;background:#fff;border:1px solid var(--dark-line)}
.cfg-img{aspect-ratio:1/1;border-radius:18px;background:radial-gradient(circle at 50% 42%,#fcfdfe,#e6ebf2 80%);display:grid;place-items:center;overflow:hidden;color:var(--brand)}
.cfg-img img{width:84%;height:84%;object-fit:contain;mix-blend-mode:multiply}
.cfg-img svg{width:54px;height:54px}
.cfg-meta{display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.cfg-meta .br-step{margin-bottom:6px}
.cfg-type{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--brand)}
.cfg-meta h2{font-size:clamp(24px,2.4vw,32px);letter-spacing:-.025em;line-height:1.15}
.cfg-meta p{font-size:14.5px;color:var(--dark-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;max-width:640px}
.cfg-docs{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.cfg-docs a{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid var(--dark-line);transition:background .25s,color .25s,border-color .25s}
.cfg-docs a:first-child{background:var(--dark);color:#fff;border-color:var(--dark)}
.cfg-docs a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.cfg-docs svg{width:14px;height:14px}

/* code anatomy */
.anatomy{position:relative;padding:30px 28px 24px;border-radius:26px;background:var(--dark);color:#fff;overflow:hidden;isolation:isolate}
.anatomy::before{content:"";position:absolute;right:-120px;top:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(var(--glow),transparent 65%);z-index:-1}
.an-label{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2);margin-bottom:18px;display:flex;justify-content:space-between;gap:12px}
.an-label span:last-child{color:var(--muted)}
.an-code{display:flex;flex-wrap:wrap;align-items:flex-start;gap:6px 4px;font-family:var(--mono)}
.seg{display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;background:none;color:inherit;padding:0}
.seg-v{min-width:44px;padding:12px 12px;border-radius:12px;text-align:center;font-size:clamp(18px,2.2vw,26px);font-weight:500;line-height:1;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);transition:background .3s,border-color .3s,color .3s,transform .3s var(--ease)}
.seg-base .seg-v{background:var(--brand);border-color:var(--brand);color:#fff}
.seg.empty .seg-v{color:#5d6b7c;border-style:dashed;animation:segpulse 2s ease-in-out infinite}
.seg.set .seg-v{border-color:rgba(79,178,245,.55);color:#e8f4ff}
.seg:hover .seg-v,.seg.hl .seg-v{border-color:var(--brand-2);background:rgba(79,178,245,.15);transform:translateY(-3px)}
.seg-n{font-size:9.5px;letter-spacing:.08em;color:#7e8b9c;text-transform:uppercase;max-width:92px;text-align:center;line-height:1.3;font-family:var(--body);font-weight:500}
.dash{font-size:clamp(18px,2.2vw,26px);color:#5d6b7c;padding-top:12px}
@keyframes segpulse{50%{border-color:rgba(79,178,245,.5);color:#8aa2bb}}
.an-fixed{font-size:14px;color:var(--muted);margin-top:14px}

/* specs */
.gspecs-head{display:flex;align-items:center;gap:14px;margin-top:6px}
.gspecs-head b{font-family:var(--display);font-size:20px;font-weight:600;letter-spacing:-.015em}
.gspecs-head span{font-family:var(--mono);font-size:12px;color:var(--dark-muted);padding:4px 10px;border-radius:999px;background:#fff;border:1px solid var(--dark-line)}
.gspecs-head span.done{color:#fff;background:#18a36b;border-color:#18a36b}
.btn-text{margin-left:auto;font-size:13.5px;font-weight:600;color:var(--dark-muted);padding:6px 10px;border-radius:8px;transition:color .2s,background .2s}
.btn-text:hover{color:var(--dark);background:#fff}
.g-specs{display:grid;gap:14px}
.g-spec{padding:22px 22px 20px;border-radius:22px;background:#fff;border:1px solid var(--dark-line);scroll-margin-top:120px;transition:border-color .3s,box-shadow .3s}
.g-spec.hl{border-color:var(--brand);box-shadow:0 0 0 4px rgba(48,135,200,.12)}
.spec-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.spec-n{font-family:var(--mono);font-size:11px;color:var(--brand);border:1px solid rgba(48,135,200,.35);border-radius:8px;padding:3px 7px}
.spec-top b{font-family:var(--display);font-size:16.5px;font-weight:600}
.spec-top .check{margin-left:auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--paper);color:transparent;transition:background .3s,color .3s}
.g-spec.ok .check{background:#18a36b;color:#fff}
.spec-top .check svg{width:12px;height:12px}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{display:inline-flex;align-items:center;gap:10px;padding:8px 14px 8px 8px;border-radius:12px;border:1px solid var(--dark-line);background:var(--paper);font-size:13.5px;text-align:left;line-height:1.35;color:var(--dark);transition:background .2s,border-color .2s,color .2s,translate .2s}
.opt code{font-family:var(--mono);font-size:12px;font-weight:500;min-width:28px;padding:4px 7px;border-radius:7px;background:#fff;border:1px solid var(--dark-line);text-align:center;transition:background .2s,color .2s,border-color .2s}
.opt:hover{border-color:rgba(48,135,200,.55);translate:0 -2px}
.opt.on{background:var(--dark);border-color:var(--dark);color:#fff}
.opt.on code{background:var(--brand);border-color:var(--brand);color:#fff}
.opt:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- result bar ---------- */
.result{position:sticky;bottom:0;z-index:30;padding:14px 0;background:rgba(5,8,13,.88);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);border-top:1px solid var(--line-2);color:#fff}
.result-inner{display:flex;align-items:center;gap:24px;justify-content:space-between}
.res-code{min-width:0;display:flex;flex-direction:column;gap:4px}
.res-code small{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.res-code code{font-family:var(--mono);font-size:clamp(18px,2vw,26px);font-weight:500;color:#fff;letter-spacing:.02em;word-break:break-all}
.res-code code .q{color:#5d6b7c}
.result.complete .res-code small{color:#3ddc97}
.res-actions{display:flex;gap:8px;flex:none}
.res-actions .btn{height:46px;padding:0 18px;font-size:14px}
.res-actions .btn svg{width:16px;height:16px}
.icon-btn{width:46px;padding:0!important;justify-content:center}
.result:not(.complete) #copyCode,.result:not(.complete) #copyDesc,.result:not(.complete) #shareBtn{opacity:.4;pointer-events:none}
.btn.copied{background:#18a36b!important}

/* toast */
.toast{position:fixed;left:50%;bottom:110px;z-index:200;translate:-50% 20px;opacity:0;padding:12px 18px;border-radius:12px;background:var(--dark);color:#fff;font-size:14px;font-weight:500;box-shadow:0 20px 40px -10px rgba(0,0,0,.4);transition:opacity .3s,translate .4s var(--ease);pointer-events:none}
.toast.show{opacity:1;translate:-50% 0}

/* ---------- recent ---------- */
.gen-recent{padding:100px 0 120px;border-top:1px solid var(--dark-line)}
.recent-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:12px}
.recent{display:flex;flex-direction:column;gap:6px;padding:20px 22px;border-radius:18px;background:#fff;border:1px solid var(--dark-line);text-align:left;transition:border-color .3s,translate .4s var(--ease)}
.recent:hover{border-color:rgba(48,135,200,.45);translate:0 -4px}
.recent code{font-family:var(--mono);font-size:15px;font-weight:500;color:var(--dark);word-break:break-all}
.recent span{font-size:13px;color:var(--dark-muted)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .gen-layout{grid-template-columns:minmax(0,1fr)}
  .browser{position:relative;top:0!important;max-height:none}
  .br-list{max-height:360px}
  .config,.cfg-empty{min-height:0}
  .cfg-empty{padding:50px 24px}
}
@media (max-width:720px){
  .gen-hero .page-hero-content{padding-top:120px;padding-bottom:50px}
  .decode{height:auto;flex-wrap:wrap;padding:10px;gap:8px}
  .decode svg{display:none}
  .decode input{height:44px;padding:0 6px;flex-basis:100%}
  .decode .btn{width:100%;justify-content:center}
  .gen-app{padding-top:40px}
  .gen-layout{padding-bottom:90px}
  .browser{padding:16px;border-radius:22px}
  .cfg-head{grid-template-columns:90px 1fr;gap:16px;padding:16px}
  .cfg-meta h2{font-size:21px}
  .cfg-meta p{display:none}
  .anatomy{padding:22px 16px 18px}
  .seg-v{min-width:34px;padding:9px 8px}
  .seg-n{display:none}
  .dash{padding-top:9px}
  .g-spec{padding:16px}
  .result-inner{flex-direction:column;align-items:stretch;gap:10px}
  .res-actions{flex-wrap:wrap}
  .res-actions .btn{flex:1;justify-content:center;height:42px;padding:0 12px}
  #copyDesc{display:none}
  .icon-btn{flex:0 0 42px!important}
}