:root {
  --bg: #f6f7f5; --panel: #ffffff; --ink: #1d2320; --muted: #66706b; --line: #dfe3e0;
  --accent: #2f6f4f; --accent-ink: #ffffff; --warn: #a14b00; --warn-bg: #fff4e5; --err: #a1261e; --err-bg: #fdecea;
  --ok: #1f6b3a; --ok-bg: #e8f5ec; --radius: 6px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 0 0 1rem; } h2 { font-size: 1.15rem; margin: 1.5rem 0 .5rem; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: .6rem 1rem; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); } .brand span { color: var(--muted); font-weight: 400; margin-left: .3rem; }
.topbar nav { display: flex; gap: 1rem; align-items: center; }
.topbar nav a { text-decoration: none; }
.page { max-width: 1280px; margin: 1.5rem auto; padding: 0 1rem; } .narrow { max-width: 420px; }
.stack { display: grid; gap: .8rem; } .stack label { display: grid; gap: .25rem; font-weight: 500; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .8rem 1rem; }
.grid2 label { display: grid; gap: .25rem; font-weight: 500; }
input, select, textarea { font: inherit; padding: .4rem .5rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--ink); min-width: 0; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button { font: inherit; padding: .45rem .9rem; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; cursor: pointer; }
button.primary, .button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.danger { color: var(--err); } button.link { border: 0; background: none; color: var(--accent); padding: 0; }
button:disabled { opacity: .5; cursor: not-allowed; }
.button { display: inline-block; padding: .45rem .9rem; border-radius: var(--radius); border: 1px solid var(--line); text-decoration: none; background: #fff; color: var(--ink); }
form.inline { display: inline; margin: 0; }
.alert { background: var(--err-bg); color: var(--err); padding: .6rem .8rem; border-radius: var(--radius); }
.note { background: var(--warn-bg); color: var(--warn); padding: .6rem .8rem; border-radius: var(--radius); }
.ok { background: var(--ok-bg); color: var(--ok); padding: .6rem .8rem; border-radius: var(--radius); }
.muted { color: var(--muted); } .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { padding: .45rem .5rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.toolbar { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin-bottom: 1rem; }
.toolbar .spacer { flex: 1; }
/* editor */
.editor { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 1rem; align-items: start; }
@media (max-width: 960px) { .editor { grid-template-columns: 1fr; } }
.totals { position: sticky; top: 1rem; }
.totals table td { border: 0; padding: .2rem 0; } .totals .total td { border-top: 2px solid var(--ink); font-weight: 700; font-size: 1.15rem; padding-top: .4rem; }
.part { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: .75rem; }
.part > summary { display: flex; justify-content: space-between; padding: .6rem .8rem; cursor: pointer; font-weight: 600; list-style: none; }
.part > summary::-webkit-details-marker { display: none; }
.part > summary::before { content: "▸"; margin-right: .4rem; color: var(--muted); } .part[open] > summary::before { content: "▾"; }
.part .lines { padding: 0 .8rem .8rem; }
.line { display: grid; grid-template-columns: minmax(180px, 2.2fr) 90px 34px minmax(160px, 2.5fr) 70px 28px; gap: .4rem; align-items: start; padding: .4rem 0; border-bottom: 1px solid var(--line); }
.line .unit { padding-top: .45rem; color: var(--muted); font-size: .85rem; }
.line .value { padding-top: .45rem; }
.line .err { grid-column: 1 / -1; color: var(--err); font-size: .85rem; }
.dims { display: flex; flex-wrap: wrap; gap: .3rem; }
.dims label { display: flex; align-items: center; gap: .2rem; font-size: .8rem; color: var(--muted); }
.dims input { width: 64px; padding: .3rem .35rem; }
.line input.qty { width: 100%; }
.line .label-input { grid-column: 1 / -1; font-size: .85rem; }
.line-head { display: grid; grid-template-columns: minmax(180px, 2.2fr) 90px 34px minmax(160px, 2.5fr) 70px 28px; gap: .4rem; font-size: .75rem; color: var(--muted); text-transform: uppercase; padding-top: .3rem; }
.addrow { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .6rem; align-items: center; }
.addrow input.area { width: 90px; }
.copy { display: grid; grid-template-columns: 1fr auto auto; gap: .3rem 1rem; align-items: center; max-width: 520px; }
.copy .v { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 1.1rem; text-align: right; }
.badge { display: inline-block; padding: .05rem .4rem; border-radius: 99px; font-size: .75rem; background: var(--line); color: var(--ink); }
.badge.epd { background: var(--ok-bg); color: var(--ok); } .badge.off { background: var(--err-bg); color: var(--err); }
.htmx-request .spin { opacity: .5; }

/* utility classes (no inline styles: CSP default-src 'self') */
.m0 { margin: 0; } .mt0 { margin-top: 0; } .mt1 { margin-top: 1rem; } .nodeco { text-decoration: none; } .top { align-items: start; }
.pre-small { white-space: pre-wrap; font-size: .75rem; } .bare { border: 0; padding: 0; margin: 0; } .small { font-size: .85rem; }
.secret { font: 1.3rem ui-monospace, monospace; text-align: center; }