@font-face{font-family:"Be Vietnam Pro";src:url(/assets/fonts/bvp-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Be Vietnam Pro";src:url(/assets/fonts/bvp-SemiBold.woff2) format("woff2");font-weight:600;font-display:swap}
:root{
  color-scheme:light dark;
  --bg:#f3f6f4; --bg-2:#e9f0ec; --surface:#ffffff; --surface-2:#f7faf8;
  --ink:#0e241d; --ink-2:#405a51; --ink-3:#5e756c;
  --line:#dbe5df; --line-2:#c4d3ca;
  --brand:#0b7a58; --brand-ink:#ffffff; --brand-soft:#dcf1e7; --brand-hover:#08664a;
  --accent:#e0543c; --accent-hover:#c9442e;
  --focus:rgba(11,122,88,.28);
  --shadow-sm:0 1px 2px rgba(14,36,29,.06),0 1px 1px rgba(14,36,29,.04);
  --shadow:0 1px 2px rgba(14,36,29,.05),0 8px 24px -10px rgba(14,36,29,.18);
  --shadow-lg:0 2px 4px rgba(14,36,29,.05),0 24px 56px -22px rgba(14,36,29,.32);
  --r-sm:8px; --r:12px; --r-lg:18px;
  --ease:cubic-bezier(.16,1,.3,1);
  font-family:"Be Vietnam Pro",system-ui,sans-serif; color:var(--ink); background:var(--bg);
  font-variant-numeric:tabular-nums lining-nums;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0b1512; --bg-2:#0f1d18; --surface:#13231e; --surface-2:#182b25;
  --ink:#e7f1ec; --ink-2:#a9c0b6; --ink-3:#8aa397;
  --line:#22372f; --line-2:#2f4a40;
  --brand:#34c58f; --brand-ink:#05140f; --brand-soft:#173a2e; --brand-hover:#4fd6a2;
  --accent:#ff7a5f; --accent-hover:#ff927b; --focus:rgba(52,197,143,.32);
  --shadow-sm:0 1px 2px rgba(0,0,0,.4); --shadow:0 1px 2px rgba(0,0,0,.35),0 10px 28px -12px rgba(0,0,0,.6); --shadow-lg:0 24px 60px -24px rgba(0,0,0,.75);
}}
*{box-sizing:border-box}
html{scrollbar-color:var(--line-2) var(--bg)}
html{background-color:var(--bg)}
body{margin:0;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;background-color:var(--bg);background-image:radial-gradient(1200px 500px at 85% -10%,var(--brand-soft),transparent 60%);background-repeat:no-repeat}
::selection{background:var(--brand-soft);color:var(--ink)}
a{color:var(--brand);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--brand-hover)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;z-index:20;border-radius:8px}
.skip:focus{left:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
svg{width:18px;height:18px;flex:none}

/* Top bar */
.bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:28px;padding:0 28px;height:64px;background:color-mix(in srgb,var(--surface) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:600;font-size:17px;letter-spacing:-.015em}
.brand:hover{color:var(--ink)}
.brand-mark{width:30px;height:30px;color:var(--brand)}
.bar-nav{display:flex;gap:4px}
.bar-nav a{color:var(--ink-2);text-decoration:none;font-size:14px;padding:7px 12px;border-radius:999px;transition:background-color .2s,color .2s}
.bar-nav a:hover{color:var(--ink);background:var(--bg-2)}
.bar-actions{margin-left:auto;display:flex;gap:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;border:1px solid transparent;font:inherit;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;transition:background-color .2s var(--ease),border-color .2s,color .2s,box-shadow .25s var(--ease),transform .25s var(--ease)}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:0 1px 0 rgba(255,255,255,.15) inset,0 6px 16px -6px rgba(0,0,0,.3)}
.btn-primary:hover{background:var(--brand-hover);color:var(--brand-ink);transform:translateY(-1px);box-shadow:0 10px 22px -8px rgba(0,0,0,.35)}
.btn-primary[aria-busy=true]{opacity:.75;cursor:progress}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line-2);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--ink-3);transform:translateY(-1px)}
.btn-line{background:var(--surface);color:var(--ink);border-color:var(--line-2);height:36px;border-radius:999px;padding:0 14px}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;border:1px solid transparent;background:none;border-radius:10px;color:var(--ink-3);cursor:pointer;transition:background-color .2s,color .2s}
.icon-btn:hover{color:var(--accent);background:var(--bg-2)}
.icon-btn:disabled{opacity:.35;cursor:not-allowed;background:none}
a.btn{text-decoration:none}

/* Workspace */
.work{display:grid;grid-template-columns:minmax(360px,480px) minmax(0,1fr);gap:28px;max-width:1440px;margin:0 auto;padding:28px}
.form{min-width:0}
.form-title{font-size:30px;line-height:1.12;letter-spacing:-.03em;margin:4px 0 8px;font-weight:600;text-wrap:balance}
.form-lede{margin:0 0 22px;color:var(--ink-2);max-width:44ch}
.group{border:1px solid var(--line);background:var(--surface);border-radius:var(--r-lg);margin:0 0 14px;padding:18px 18px 8px;box-shadow:var(--shadow-sm);transition:box-shadow .3s var(--ease),border-color .3s}
.group:focus-within{border-color:var(--line-2);box-shadow:var(--shadow)}
.group legend{font-weight:600;font-size:14px;padding:0;margin-bottom:12px;float:left;width:100%;letter-spacing:-.005em}
.group legend + *{clear:both}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;min-width:0}
.field>span{font-size:12.5px;font-weight:500;color:var(--ink-2)}
input,select,textarea{font:inherit;font-size:14.5px;color:var(--ink);background:var(--surface-2);border:1px solid var(--line-2);border-radius:10px;padding:9px 12px;min-width:0;width:100%;caret-color:var(--brand);transition:border-color .2s,box-shadow .2s,background-color .2s}
textarea{resize:vertical}
input::placeholder,textarea::placeholder{color:var(--ink-3)}
input:hover,select:hover,textarea:hover{border-color:var(--ink-3)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);background:var(--surface);box-shadow:0 0 0 4px var(--focus)}
input:user-invalid,input[aria-invalid=true]{border-color:var(--accent)}
input:user-valid:not(:placeholder-shown):not([type=checkbox]):not([type=radio]){border-color:color-mix(in srgb,var(--brand) 45%,var(--line-2))}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.adjust{margin-top:14px}
.items{list-style:none;margin:0 0 12px;padding:0}
.items-head,.item{display:grid;grid-template-columns:minmax(0,1fr) 64px 108px 36px;gap:8px;align-items:start}
.items-head{font-size:12.5px;font-weight:500;color:var(--ink-2);margin-bottom:6px}
.item .field{margin-bottom:8px}
.seg{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px;padding:4px;background:var(--bg-2);border-radius:14px}
.seg label{position:relative;flex:1 1 auto}
.seg input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.seg span{display:block;text-align:center;padding:8px 12px;border-radius:10px;font-size:13px;font-weight:500;color:var(--ink-2);transition:background-color .25s var(--ease),color .2s,box-shadow .25s}
.seg label:hover span{color:var(--ink)}
.seg input:checked+span{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-sm),0 0 0 1px var(--line)}
.seg input:focus-visible+span{outline:2px solid var(--brand);outline-offset:1px}
.qr-pane{display:none}
.qr-pane.on{display:block}
.check{display:flex;gap:8px;align-items:center;font-size:13.5px;margin-bottom:12px}
.check input{width:16px;height:16px;accent-color:var(--brand)}
.hint{font-size:12.5px;color:var(--ink-2);margin:0 0 12px;padding:8px 10px;background:var(--bg-2);border-radius:8px}
.error{color:var(--accent);font-size:13px;margin:0 0 12px;font-weight:600}

.stage{min-width:0}
.stage-inner{position:sticky;top:92px}
.stage-note{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--ink-2);margin:14px 4px 0}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}

/* Invoice sheet: stays paper in both themes */
.sheet{--ink:#0e241d;--ink-2:#405a51;--ink-3:#5e756c;color:#0e241d;background:#fff;border-radius:var(--r);box-shadow:var(--shadow-lg);padding:48px 52px 44px;position:relative;overflow:hidden;min-height:620px;border:1px solid var(--line)}
.sh-top{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}
.sh-title{font-size:32px;font-weight:600;letter-spacing:-.03em;margin:0;line-height:1}
.sh-meta{display:grid;grid-template-columns:auto auto;gap:3px 16px;font-size:12.5px;margin:0;text-align:right}
.sh-meta dt{color:var(--ink-3)}
.sh-meta dd{margin:0;font-weight:600}
.sh-parties{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:34px 0 26px;font-size:13px}
.sh-parties>div{border-top:1px solid #dbe8e0;padding-top:12px}
.sh-label{font-size:11px;color:var(--ink-3);margin:0 0 4px;letter-spacing:.04em;text-transform:uppercase;font-weight:600}
.sh-name{font-weight:600;font-size:14.5px;margin:0 0 2px}
.sh-pre{white-space:pre-line;margin:0;color:var(--ink-2)}
.sh-table{width:100%;border-collapse:collapse;font-size:13px}
.sh-table th{font-size:11px;color:var(--ink-3);font-weight:600;text-align:left;padding:8px 0;border-bottom:1.5px solid #0e241d;letter-spacing:.04em;text-transform:uppercase}
.sh-table td{padding:10px 0;border-bottom:1px solid #e4ece8;vertical-align:top}
.sh-table .n{text-align:right;white-space:nowrap;padding-left:12px}
.sh-bottom{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:32px;margin-top:26px;align-items:start}
.sh-sums{display:grid;grid-template-columns:1fr auto;gap:6px 12px;font-size:13px;margin:0}
.sh-sums dt{color:var(--ink-2)}
.sh-sums dd{margin:0;text-align:right}
.sh-due{grid-column:1/-1;display:flex;justify-content:space-between;align-items:baseline;background:#0e241d;color:#fff;padding:14px 16px;border-radius:12px;margin-top:8px}
.sh-due span{font-size:12px;color:#a8dcc4}
.sh-due strong{font-size:21px;letter-spacing:-.02em}
.sh-qr{display:flex;gap:16px;align-items:center}
.rosette{position:relative;width:184px;height:184px;flex:none}
.rosette svg.ring{position:absolute;inset:0;width:100%;height:100%;color:#6fb596}
.rosette .code{position:absolute;inset:30px;background:#fff;display:grid;place-items:center}
.rosette .code svg{width:100%;height:100%}
.sh-qr-text{font-size:12.5px;color:var(--ink-2);margin:0;max-width:30ch;overflow-wrap:anywhere;min-width:0}
.sh-qr-text strong{display:block;color:var(--ink);font-size:13px;margin-bottom:2px}
.sh-notes{margin-top:28px;font-size:12.5px;color:var(--ink-2);white-space:pre-line;border-top:1px solid #e4ece8;padding-top:14px}
.sh-empty{color:var(--ink-3);font-style:italic}

/* Below the tool */
.below{padding:72px 28px;max-width:1440px;margin:0 auto}
.below-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.below-grid>div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.below-grid>div:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.below h2{font-size:19px;margin:0 0 8px;letter-spacing:-.02em}
.below p{margin:0;color:var(--ink-2);max-width:60ch}
.links{margin:0;padding-left:18px}
.links li{margin-bottom:6px}
.ad-slot{margin:40px auto 0;min-height:0}
.foot{padding:28px;font-size:13px;color:var(--ink-2);border-top:1px solid var(--line);text-align:center}
.foot p{margin:4px 0}
.small{font-size:12px;color:var(--ink-3)}

/* Toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:50;background:var(--ink);color:var(--bg);padding:11px 18px;border-radius:999px;font-size:14px;font-weight:500;box-shadow:var(--shadow-lg)}
.toast[data-kind=error]{background:var(--accent);color:#fff}

/* Guides */
.doc{max-width:720px;margin:0 auto;padding:56px 28px 80px}
.doc h1{font-size:clamp(32px,5vw,46px);line-height:1.08;letter-spacing:-.035em;margin:0 0 16px;text-wrap:balance}
.doc h2{font-size:22px;margin:48px 0 10px;letter-spacing:-.02em}
.doc p,.doc li{font-size:16.5px;line-height:1.7;max-width:62ch}
.doc .lede{font-size:19px;color:var(--ink-2)}
.doc code{font-size:13.5px;background:var(--surface);border:1px solid var(--line);padding:1px 6px;border-radius:6px;word-break:break-all}
.doc table{border-collapse:separate;border-spacing:0;width:100%;font-size:14.5px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.doc th,.doc td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.doc tr:last-child td{border-bottom:0}
.doc th{background:var(--surface-2);font-size:13px}
.doc .cta{margin-top:28px}

@media (max-width:1020px){
  .work{grid-template-columns:1fr}
  .stage-inner{position:static}
  .below-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .bar{gap:12px;padding:0 14px}
  .bar-nav{display:none}
  #btn-new{display:none}
  .work{padding:16px 12px}
  .group{padding:16px 14px 6px}
  .sheet{padding:30px 20px}
  .sh-top,.sh-bottom,.sh-parties{grid-template-columns:1fr;display:grid}
  .sh-meta{text-align:left}
  .grid3{grid-template-columns:1fr 1fr}
  .rosette{width:168px;height:168px}
  .rosette .code{inset:26px}
  .below{padding:48px 12px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{
  .bar,.form,.below,.foot,.stage-note{display:none}
  .work{display:block;padding:0}
  .sheet{box-shadow:none;border:0;padding:0}
  body{background:#fff}
}
p{text-wrap:pretty}