:root{
 --ink:#14161F;--lime:#C6F432;--lime-d:#9BC21A;--glow:198,244,50;--brandmark:#C6F432;
 --bg:#F4F3EE;--panel:#FFFFFF;--panel2:#F8F7F2;--fg:#14161F;--muted:#6E7080;--bd:#E4E2D9;
 --acc:#14161F;--acc-fg:#C6F432;--hl:#C6F432;
 --good:#0E9F6E;--good-bg:#E3F7EE;--warn:#C27803;--warn-bg:#FDF3DC;--bad:#E02424;--bad-bg:#FDE8E8;
 --r:14px;--r-sm:9px;--sh:0 1px 0 rgba(20,22,31,.04),0 8px 24px -12px rgba(20,22,31,.12);
 --mono:"JetBrains Mono","SF Mono",ui-monospace,Menlo,Consolas,monospace;
 --sans:"Inter",system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
[data-theme=dark]{
 --bg:#0C0D12;--panel:#15171F;--panel2:#1B1E28;--fg:#ECEDF2;--muted:#8A8E9E;--bd:#262A36;
 --acc:#C6F432;--acc-fg:#14161F;--hl:#C6F432;
 --good:#34D399;--good-bg:#0F2A20;--warn:#FBBF24;--warn-bg:#2B230E;--bad:#F87171;--bad-bg:#2E1416;
 --sh:0 0 0 1px rgba(255,255,255,.02),0 10px 30px -14px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--fg);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
.hero{background:var(--ink);color:#ECEDF2;padding:18px 24px 44px;background-image:radial-gradient(circle at 85% -20%,rgba(var(--glow),.18),transparent 45%),linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:auto,28px 28px,28px 28px}
.hero-in,.hero-copy{max-width:1240px;margin:auto;display:flex;justify-content:space-between;align-items:center}
.hero-copy{display:block;margin-top:34px}
.brand{display:flex;gap:10px;align-items:center;color:inherit;text-decoration:none}
.brand b{font-size:20px;letter-spacing:.06em;display:block;line-height:1.1}.brand em{font-style:normal;font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--brandmark)}
.hero h1{font-size:clamp(26px,4vw,40px);margin:0;letter-spacing:.01em;font-weight:800}
.hl{color:var(--brandmark)}.hero p{margin:8px 0 0;color:#A4A8B8}
.hero-right{display:flex;gap:10px;align-items:center}
.chip{font-family:var(--mono);font-size:11.5px;padding:5px 10px;border-radius:99px;background:rgba(255,255,255,.07);color:#C9CCD8;border:1px solid rgba(255,255,255,.08)}
.chip.ok::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brandmark);margin-right:6px;vertical-align:1px;box-shadow:0 0 8px var(--brandmark)}
.icon-btn{width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);color:#fff;font-size:17px;cursor:pointer}
.layout{max-width:1240px;margin:-24px auto 0;padding:0 24px;display:grid;grid-template-columns:minmax(0,1fr) 480px;gap:20px;align-items:start}
.col-form{display:grid;gap:16px}.sticky{position:sticky;top:16px;display:grid;gap:16px}
.panel{background:var(--panel);border:1px solid var(--bd);border-radius:var(--r);padding:20px;box-shadow:var(--sh)}
.panel-h{display:flex;align-items:center;gap:10px;margin-bottom:14px}.panel-h.between{justify-content:space-between}
h2{font-size:15px;margin:0;font-weight:700}h2 small,.field small,summary small{color:var(--muted);font-weight:400;font-size:12px;margin-left:4px}
.step{font-family:var(--mono);font-size:11px;font-weight:700;background:var(--acc);color:var(--acc-fg);padding:2px 7px;border-radius:6px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid4{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin:12px 0}
.row2{margin-bottom:14px}
.field{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--muted);font-weight:500}
.panel>.field+.grid2{margin-top:14px}
input,select{font:inherit;font-size:15px;padding:10px 12px;border:1px solid var(--bd);border-radius:var(--r-sm);background:var(--panel2);color:var(--fg);outline:none;transition:.15s;width:100%;min-width:0}
input[type=number],input[type=date]{font-family:var(--mono)}
input:focus,select:focus{border-color:var(--fg);box-shadow:0 0 0 3px color-mix(in srgb,var(--lime) 45%,transparent)}
.money{display:flex}.money input{border-radius:var(--r-sm) 0 0 var(--r-sm);font-size:20px;font-weight:600}.money select{width:96px;flex:none;border-left:0;border-radius:0 var(--r-sm) var(--r-sm) 0;font-family:var(--mono);font-weight:600}
.seg{display:flex;background:var(--panel2);border:1px solid var(--bd);border-radius:11px;padding:3px;gap:2px}
.seg button{flex:1;border:0;background:none;color:var(--muted);font:inherit;font-weight:600;padding:8px 4px;border-radius:8px;cursor:pointer;white-space:nowrap}
.seg button:hover{color:var(--fg)}.seg button.on{background:var(--acc);color:var(--acc-fg);box-shadow:0 1px 3px rgba(0,0,0,.15)}
.seg.sm button{padding:4px 12px;font-size:12.5px}
.fold{margin-top:14px;border-top:1px dashed var(--bd);padding-top:12px}summary{cursor:pointer;font-weight:600;font-size:13px}
.btns{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.btns .btn{flex:1}
.btn{white-space:nowrap;font:inherit;font-weight:600;border:1px solid var(--bd);background:var(--panel);color:var(--fg);border-radius:10px;padding:10px 14px;cursor:pointer;transition:.15s}
.btn:hover{border-color:var(--fg)}.btn.primary{background:var(--acc);color:var(--acc-fg);border-color:var(--acc)}.btn.primary:hover{filter:brightness(1.1)}
.btn.ghost{background:transparent}.btn.sm{padding:7px 10px;font-size:12.5px}
.result{padding:0;overflow:hidden}
.res-top{padding:20px 22px 18px;background:var(--panel)}
.res-label{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.04em;display:flex;justify-content:space-between}
.big{font-family:var(--mono);font-size:44px;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:6px 0 2px}.big .u{font-size:18px;color:var(--muted);margin-left:6px;font-weight:600}
.sub{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.bar{height:6px;background:var(--panel2);border-radius:9px;margin-top:14px;overflow:hidden;border:1px solid var(--bd)}.bar i{display:block;height:100%;background:var(--lime);border-radius:9px}
.res-grid{display:grid;grid-template-columns:1fr 1fr 1fr;border-top:1px solid var(--bd)}
.res-grid>div{padding:12px 16px;border-right:1px solid var(--bd)}.res-grid>div:last-child{border:0}
.res-grid small{display:block;color:var(--muted);font-size:11.5px}.res-grid b{font-family:var(--mono);font-size:16px}
.prem{margin:0;padding:14px 22px;border-top:1px solid var(--bd);display:flex;align-items:center;justify-content:space-between;gap:12px}
.prem.good{background:var(--good-bg)}.prem.warn{background:var(--warn-bg)}.prem.bad{background:var(--bad-bg)}
.prem .pv{font-family:var(--mono);font-size:24px;font-weight:800}.good .pv,.good .badge{color:var(--good)}.warn .pv,.warn .badge{color:var(--warn)}.bad .pv,.bad .badge{color:var(--bad)}
.badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:99px;border:1.5px solid currentColor;white-space:nowrap}
.empty{padding:34px 24px;text-align:center}.empty svg{opacity:.9}.empty h3{margin:12px 0 4px;font-size:16px}.empty p{color:var(--muted);margin:0 0 16px}
canvas{width:100%;height:auto;border-radius:12px;display:block;border:1px solid var(--bd)}
pre{white-space:pre-wrap;background:var(--panel2);padding:10px;border-radius:8px;font:12px/1.5 var(--mono);max-height:200px;overflow:auto;margin:12px 0 0}
footer{text-align:center;color:var(--muted);font-size:12px;padding:32px 24px}
#toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%,10px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:10px;opacity:0;transition:.25s;pointer-events:none;font-weight:600;border:1px solid #2a2d3a}
#toast::before{content:"✓ ";color:var(--lime)}#toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:980px){.layout{grid-template-columns:1fr}.sticky{position:static}}
@media(max-width:520px){.prem{flex-direction:column;align-items:flex-start}.res-grid b{font-size:14px}.hero{padding:14px 16px 40px}.layout{padding:0 12px}.grid2{grid-template-columns:1fr}.panel{padding:16px}.big{font-size:36px}.seg button{font-size:12.5px;padding:8px 2px}.chip{display:none}}
body.cardonly{background:transparent}body.cardonly>*:not(main){display:none}body.cardonly main{display:block;margin:0;padding:0}body.cardonly .col-form,body.cardonly .result,body.cardonly .btns,body.cardonly .panel-h{display:none}body.cardonly .panel{padding:0;border:0;box-shadow:none;background:none}body.cardonly canvas{width:1000px;border:0;border-radius:0}

/* upload */
.up-row{margin-top:8px}
.up-out{margin-top:12px;border:1px solid var(--bd);background:var(--panel2);border-radius:12px;padding:14px;display:grid;gap:10px}
.up-out[hidden]{display:none}
.up-out.err{border-color:var(--bad);background:var(--bad-bg);color:var(--bad)}
.up-out.err p{margin:0;font-size:13px;line-height:1.6}
.up-line{display:flex;gap:8px;align-items:center}.up-line input{font:12.5px var(--mono);padding:8px 10px;background:var(--panel)}
.up-line .btn{flex:none}
.up-ok{font-weight:700;color:var(--good);font-size:13px;display:flex;align-items:center;gap:8px}
.up-ok img{width:56px;height:35px;object-fit:cover;border-radius:5px;border:1px solid var(--bd)}
.btn[disabled]{opacity:.6;cursor:wait}
.spin{display:inline-block;width:12px;height:12px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .7s linear infinite;vertical-align:-1px;margin-right:6px}
@keyframes sp{to{transform:rotate(360deg)}}