:root {
  --paper: #f5f3ee;
  --card: #fffdf9;
  --ink: #18212c;
  --muted: #5a6472;
  --line: #ddd7ca;
  --field: #c9c2b3;
  --accent: #1d5c57;
  --accent-ink: #ffffff;
  --accent-soft: #e2edeb;
  --error: #a3321f;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--sans); }
a { color: var(--accent); text-underline-offset: 3px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

/* Top bar */
.topbar { border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; min-height: 56px; font-size: 14px; }
.brand { font-weight: 600; color: var(--ink); text-decoration: none; letter-spacing: .01em; }
.topbar nav { display: flex; gap: 20px; }
.topbar nav a { color: var(--muted); text-decoration: none; }
.topbar nav a:hover { color: var(--ink); }

/* Hero */
.hero { padding: 72px 0 52px; border-bottom: 1px solid var(--line); }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin: 0 0 16px; }
h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(36px, 5.4vw, 60px); line-height: 1.06; letter-spacing: -.015em; margin: 0 0 22px; max-width: 15ch; }
.lede { font-size: 19px; line-height: 1.55; color: var(--muted); max-width: 58ch; margin: 0 0 36px; }
.hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 36px; }
.count { display: flex; align-items: baseline; gap: 10px; }
.count strong { font-family: var(--serif); font-size: 48px; line-height: 1; font-weight: 600; font-variant-numeric: tabular-nums; }
.count span { color: var(--muted); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 6px; padding: 13px 22px; font: 600 15px/1.2 var(--sans); text-decoration: none; cursor: pointer; transition: filter .15s; }
.btn:hover { filter: brightness(1.12); }
.btn:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }
.btn[disabled] { opacity: .6; cursor: progress; }
.btn.full { width: 100%; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

/* Layout */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 72px; padding: 60px 20px 80px; align-items: start; }
@media (max-width: 920px) { .layout { grid-template-columns: 1fr; gap: 44px; padding-top: 44px; } }

/* Statement */
.statement { font-family: var(--serif); font-size: 19px; line-height: 1.72; }
.statement p { margin: 0 0 22px; }
.topics { list-style: none; counter-reset: t; padding: 0; margin: 28px 0 32px; border-top: 1px solid var(--line); }
.topics li { counter-increment: t; position: relative; padding: 14px 0 14px 48px; border-bottom: 1px solid var(--line); }
.topics li::before { content: counter(t, decimal-leading-zero); position: absolute; left: 0; top: 17px; font: 600 13px/1.6 var(--sans); letter-spacing: .06em; color: var(--accent); }
.closing { font-family: var(--sans); font-size: 15px; line-height: 1.6; color: var(--muted); border-left: 3px solid var(--accent); padding: 2px 0 2px 18px; margin-top: 32px !important; }

/* Sign card */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 28px; position: sticky; top: 24px; }
@media (max-width: 920px) { .card { position: static; } }
@media (max-width: 480px) { .card { padding: 22px 18px; } }
.card-title { font-family: var(--serif); font-size: 26px; font-weight: 600; line-height: 1.2; margin: 0 0 6px; }
.card-sub { font-size: 14px; color: var(--muted); margin: 0 0 22px; }

.field { margin-bottom: 15px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 5px; }
.hint { font-weight: 400; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=search], select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--field); border-radius: 6px; background: #fff;
  font: 15px/1.3 var(--sans); color: var(--ink); appearance: none; -webkit-appearance: none;
}
select { background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.invalid input, .invalid select { border-color: var(--error); }
.field-error { display: block; color: var(--error); font-size: 13px; margin-top: 4px; }

.checks { margin: 20px 0 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; line-height: 1.5; margin-bottom: 12px; cursor: pointer; }
.check input { margin: 3px 0 0; accent-color: var(--accent); flex: none; width: 16px; height: 16px; }
.check.invalid { color: var(--error); }
.req { color: var(--accent); font-weight: 600; }

.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { font-size: 14px; margin: 12px 0 0; min-height: 0; }
.form-msg.error { color: var(--error); }

.done { text-align: left; }
.done-mark { width: 44px; height: 44px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 16px; }
.done h2 { font-family: var(--serif); font-size: 26px; font-weight: 600; margin: 0 0 10px; line-height: 1.2; }
.done p { margin: 0 0 12px; font-size: 15px; }

/* Signatories */
.sigs { padding: 60px 0 72px; border-top: 1px solid var(--line); background: var(--card); }
.sig-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px 32px; flex-wrap: wrap; margin-bottom: 20px; }
.section-title { font-family: var(--serif); font-size: 32px; font-weight: 600; line-height: 1.15; margin: 0 0 4px; }
.sig-head p { margin: 0; font-size: 15px; }
.sig-head input { max-width: 340px; }
.sig-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); column-gap: 36px; border-top: 1px solid var(--line); }
.sig-list li { padding: 14px 0; border-bottom: 1px solid var(--line); }
.sig-name { font-weight: 600; }
.sig-role { font-size: 14px; color: var(--muted); line-height: 1.45; }
.empty { padding: 20px 0; color: var(--muted); }

/* Privacy + footer */
.privacy { padding: 60px 0; border-top: 1px solid var(--line); }
.privacy h2 { font-family: var(--serif); font-size: 26px; font-weight: 600; margin: 0 0 16px; }
.privacy h3 { font-size: 15px; margin: 22px 0 4px; }
.privacy p, .privacy li { font-size: 15px; color: var(--muted); }
.privacy p { margin: 0 0 10px; }
.privacy ul { padding-left: 20px; margin: 0 0 10px; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 13px; color: var(--muted); }

/* Single-panel pages (confirm, admin) */
.panel-page { padding: 72px 0 96px; }
.panel { max-width: 520px; margin: 0 auto; }
.panel .card { position: static; }

/* Admin table */
.admin-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 20px 0; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); white-space: nowrap; }
.pill { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.pill.pending { background: #f1ead9; color: #7a5a14; }
.link-btn { background: none; border: 0; color: var(--error); font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }