@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(fonts/Inter-Regular.woff2) format("woff2")}
@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(fonts/Inter-Medium.woff2) format("woff2")}
@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(fonts/Inter-SemiBold.woff2) format("woff2")}
:root{
  --ink:#0B1524; --navy:#0E1826; --ink-2:#3a4558; --muted:#6b7488; --line:#dde1e6; --line-2:#eceef1;
  --paper:#f5f6f8; --card:#ffffff; --accent:#0B1524; --accent-2:#1d2a3f;
  --ok:#22C55E; --bad:#EF4444; --focus:#0B1524;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);font-size:15px;line-height:1.45;-webkit-text-size-adjust:100%}
a{color:var(--ink)}
button,input,textarea,select{font:inherit;color:inherit}

/* top bar */
.topbar{background:var(--ink);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid #1c283a}
.topbar-inner{max-width:1180px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;text-decoration:none}
.brand img{height:26px;width:auto;display:block}
.tabs{display:flex;gap:2px;flex:1;min-width:0;overflow-x:auto}
.tab{background:none;border:0;color:#aeb7c5;padding:8px 12px;border-radius:4px;cursor:pointer;white-space:nowrap}
.tab:hover{color:#fff;background:rgba(255,255,255,.07)}
.tab.active{color:#fff;background:rgba(255,255,255,.13)}
.topbar-right{display:flex;align-items:center;gap:10px}
.usage{font-size:12px;color:#aeb7c5;border:1px solid rgba(255,255,255,.2);padding:3px 8px;border-radius:99px;white-space:nowrap}

main{max-width:1180px;margin:0 auto;padding:22px 16px 40px}
.view{display:none}
.view.active{display:block}

.hero{background:var(--ink);color:#fff;border-bottom:1px solid #1c283a}
.hero-inner{max-width:1180px;margin:0 auto;padding:30px 16px 34px}
.hero h1{font-size:32px;line-height:1.15;margin:0 0 10px;letter-spacing:-.8px;font-weight:600;max-width:760px}
.hero p{margin:0;color:#aeb7c5;max-width:680px;font-size:16px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:#aeb7c5;margin-bottom:12px}
.hero .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block}
.hero b{color:#fff;font-weight:500}

.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px;align-items:start}
.col-side{position:sticky;top:72px}
@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .col-side{position:static}
}

.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:16px}
.card h2{font-size:16px;margin:0 0 12px;display:flex;align-items:center;gap:8px}
.card h3{font-size:15px;margin:0 0 10px}
.step{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:4px;background:var(--ink);color:#fff;font-size:12px;font-weight:600}
.opt{font-weight:400;color:var(--muted);font-size:12px}
.hint{color:var(--muted);font-size:13px;margin:-4px 0 12px}

.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.span2{grid-column:span 2}
@media (max-width:640px){
  .g2,.g3{grid-template-columns:1fr}
  .span2{grid-column:auto}
}
label,.lbl{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600;color:var(--ink-2);text-transform:none}
.lbl{margin:10px 0 6px}
input,textarea,select{width:100%;border:1px solid var(--line);border-radius:7px;padding:8px 10px;background:#fff;font-size:14px;font-weight:400;color:var(--ink)}
textarea{resize:vertical}
input:focus,textarea:focus{outline:2px solid var(--focus);outline-offset:-1px;border-color:transparent}
input.invalid,textarea.invalid{border-color:var(--bad);background:#fff5f5}
.check{flex-direction:row;align-items:flex-start;gap:8px;margin-top:12px;font-weight:500;font-size:13px}
.check input{width:auto;margin-top:2px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 14px;border-radius:4px;cursor:pointer;font-weight:500;font-size:14px;text-decoration:none}
.btn:hover{border-color:var(--ink-2)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn-primary[disabled]{opacity:.6;cursor:wait}
.btn-ghost{background:transparent;border-style:dashed}
.btn-pro{background:transparent;border-color:var(--ink);color:var(--ink)}
.topbar .btn-pro{background:#fff;color:var(--ink);border-color:#fff;padding:7px 14px;border-radius:4px}
.btn-danger{color:var(--bad);border-color:#f0b4b4}
.btn-small{padding:6px 10px;font-size:13px}
.btn-block{width:100%;margin-top:8px}
.row-btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}

/* banners */
.banner{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:#fff;border:1px solid var(--ink);color:var(--ink);padding:10px 14px;border-radius:10px;margin-bottom:16px}
.banner-warn{max-width:1180px;margin:12px auto 0;border-radius:10px}
.banner[hidden]{display:none}

/* items */
.item{border:1px solid var(--line-2);border-radius:9px;padding:12px;margin-bottom:10px;background:#fbfbfa;position:relative}
.item-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.item-no{font-family:var(--mono);font-size:12px;color:var(--muted)}
.item-grid{display:grid;grid-template-columns:1.2fr 2fr 1.2fr .6fr .7fr;gap:10px}
.item-grid2{display:grid;grid-template-columns:1.6fr 1.4fr 1.4fr;gap:10px;margin-top:10px}
@media (max-width:640px){
  .item-grid{grid-template-columns:1fr 1fr}
  .item-grid .w2{grid-column:span 2}
  .item-grid2{grid-template-columns:1fr}
}
.icon-btn{background:none;border:0;color:var(--muted);cursor:pointer;font-size:13px;padding:4px 6px;border-radius:5px}
.icon-btn:hover{color:var(--bad);background:#fff0f0}

/* drop zone */
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:2px dashed var(--line);border-radius:10px;padding:22px 12px;cursor:pointer;background:#fbfbfa;transition:.15s}
.drop:hover,.drop.over{border-color:var(--ink);background:#f0f2f5}
.drop input{display:none}
.drop-title{font-size:14px;font-weight:600;color:var(--ink)}
.drop-sub{font-size:12px;font-weight:400;color:var(--muted);margin-top:3px}
.att-list{list-style:none;padding:0;margin:10px 0 0}
.att-list li{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line-2);border-radius:8px;margin-bottom:6px;background:#fff}
.att-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.att-meta{font-family:var(--mono);font-size:11px;color:var(--muted);white-space:nowrap}
.att-warn{color:#b35c00;font-size:11px}
.att-idx{font-family:var(--mono);font-size:11px;color:#fff;background:var(--ink-2);border-radius:4px;padding:1px 6px}

/* signature */
.sig-pad{width:100%;max-width:600px;height:150px;border:1px solid var(--line);border-radius:8px;background:#fff;touch-action:none;display:block}
.sig-preview-wrap{display:flex;flex-direction:column}
.sig-preview{border:1px dashed var(--line);border-radius:7px;min-height:58px;display:block;padding:6px;font-size:12px;color:var(--muted);text-align:center;background:#fff}
.sig-preview img{max-height:52px;max-width:100%}

/* side summary */
.side h3{font-size:14px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}
.summary{margin:0 0 6px;display:grid;grid-template-columns:auto 1fr;gap:6px 10px;font-size:13px}
.summary dt{color:var(--muted)}
.summary dd{margin:0;font-weight:600;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.errors{background:#fff5f5;border:1px solid #ffc9c9;color:#a51111;border-radius:8px;padding:8px 10px;font-size:13px;margin:8px 0}
.errors ul{margin:0;padding-left:18px}
.privacy-note{display:flex;gap:6px;align-items:flex-start;font-size:12px;color:var(--muted);margin:12px 0 0}
.privacy-note svg{flex:none;margin-top:2px;color:var(--ok)}

/* lists */
.search{margin-bottom:12px}
.rec{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:10px 0;border-top:1px solid var(--line-2);flex-wrap:wrap}
.rec:first-child{border-top:0}
.rec-main{min-width:0;flex:1}
.rec-title{font-weight:600}
.rec-title .mono{font-family:var(--mono)}
.rec-sub{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis}
.empty{color:var(--muted);font-size:14px;padding:16px 0}
.part-form{margin-bottom:10px}
.pro-card{border-color:var(--ink);}
.badge{font-size:11px;background:var(--ink);color:#fff;border-radius:3px;padding:1px 6px;font-weight:600}
.saved-note{font-size:12px;color:var(--muted);text-align:right}

/* footer */
.site-footer{max-width:1180px;margin:0 auto;padding:18px 16px 40px;color:var(--muted);font-size:12px;border-top:1px solid var(--line);display:grid;gap:8px}
.site-footer .links{display:flex;gap:14px}
.site-footer a{color:var(--ink-2)}
.site-footer .small{font-size:11px}

/* modal + toast */
.modal{position:fixed;inset:0;background:rgba(20,33,61,.45);display:grid;place-items:center;z-index:50;padding:16px}
.modal[hidden]{display:none}
.modal-box{background:#fff;border-radius:12px;max-width:520px;width:100%;padding:22px;position:relative;max-height:90vh;overflow:auto}
.modal-box h2{margin:0 0 10px;font-size:19px}
.modal-x{position:absolute;right:10px;top:8px;border:0;background:none;font-size:26px;cursor:pointer;color:var(--muted)}
.modal-box ul{padding-left:20px}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;z-index:60;max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%)}

@media (max-width:640px){
  .hero h1{font-size:24px}
  .topbar-inner{gap:8px}
  .tabs{order:3;width:100%;flex-basis:100%}
  .topbar-right{margin-left:auto}
  .usage{display:none}
}

body:not(.on-new) .hero{display:none}
.item-no{font-family:var(--sans)}

/* boot + auth */
body.booting > *:not(script){visibility:hidden}
body.auth-on > *:not(#auth):not(script){display:none !important}
.auth{min-height:100vh}
.auth-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:100vh}
.auth-side{background:var(--ink);color:#fff;padding:48px 56px;display:flex;flex-direction:column;justify-content:center}
.auth-logo img{height:30px;width:auto;display:block;margin-bottom:40px}
.auth-side h1{font-size:34px;line-height:1.15;letter-spacing:-.8px;font-weight:600;margin:0 0 22px;max-width:460px}
.auth-points{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:12px;max-width:460px}
.auth-points li{position:relative;padding-left:22px;color:#c3cad6;font-size:15px}
.auth-points li:before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border:2px solid #fff;border-radius:2px}
.auth-free{display:flex;align-items:center;gap:8px;color:#aeb7c5;font-size:13px;margin:0}
.auth-free i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block}
.auth-main{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 16px;background:var(--paper)}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px;width:100%;max-width:400px}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;background:var(--paper);border-radius:6px;padding:4px;margin-bottom:20px}
.auth-tabs button{border:0;background:none;padding:9px;border-radius:4px;cursor:pointer;font-weight:500;color:var(--muted)}
.auth-tabs button.on{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(11,21,36,.12)}
.auth-card form{display:grid;gap:14px}
.auth-card .check{margin-top:0}
.auth-err{background:#fff5f5;border:1px solid #ffc9c9;color:#a51111;border-radius:6px;padding:8px 10px;font-size:13px}
.auth-err[hidden]{display:none}
.auth-small{font-size:13px;color:var(--muted);margin:4px 0 0}
.auth-switch{text-align:center;margin-top:16px}
.auth-legal{font-size:12px;color:var(--muted);margin-top:18px}
.auth-legal a{color:var(--muted)}
@media (max-width:820px){
  .auth-wrap{grid-template-columns:1fr}
  .auth-side{padding:28px 20px}
  .auth-side h1{font-size:24px}
  .auth-logo img{margin-bottom:20px}
  .auth-points{gap:8px}
  .auth-points li{font-size:14px}
}

/* account menu */
.acct{position:relative}
.acct-btn{display:flex;align-items:center;gap:8px;background:none;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:4px;padding:5px 10px;cursor:pointer;max-width:200px}
.acct-avatar{display:grid;place-items:center;color:#aeb7c5}
.acct-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.acct-menu{position:absolute;right:0;top:calc(100% + 6px);background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:8px;min-width:220px;box-shadow:0 8px 24px rgba(11,21,36,.18);padding:6px;z-index:40}
.acct-menu[hidden]{display:none}
.acct-menu button,.acct-menu a{display:block;width:100%;text-align:left;background:none;border:0;padding:8px 10px;border-radius:5px;cursor:pointer;font-size:14px;color:var(--ink);text-decoration:none}
.acct-menu button:hover,.acct-menu a:hover{background:var(--paper)}
.acct-email{font-size:12px;color:var(--muted);padding:6px 10px 8px;border-bottom:1px solid var(--line-2);margin-bottom:4px;overflow:hidden;text-overflow:ellipsis}
@media (max-width:640px){.acct-name{display:none}}
.admin-table{width:100%;border-collapse:collapse;font-size:13px}
.admin-table th,.admin-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line-2);white-space:nowrap}
.admin-table th{font-size:12px;color:var(--muted);font-weight:600}
.auth-card .check{display:block;font-weight:500}
.auth-card .check input{width:auto;margin:0 6px 0 0;vertical-align:-2px}
.parts-count{margin:10px 0 4px}
.limit-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:#fff;border:1px solid var(--ink);border-left:4px solid #F59E0B;border-radius:8px;padding:10px 12px;margin:10px 0 14px;font-size:14px;color:var(--ink)}
.limit-banner .btn{margin:0}
.limit-box{border:1px solid var(--ink);border-left:4px solid #F59E0B;border-radius:8px;padding:12px 14px;margin:0 0 14px;display:grid;gap:4px}
.limit-box span{color:var(--ink-2)}
.pro-list{padding-left:20px;margin:0 0 16px;color:var(--ink-2)}
.usage.warn{color:#FCD34D;border-color:#F59E0B}
.pro-price{margin:0 0 12px;font-size:15px}