@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500;600&family=Outfit:wght@400;500;600;700&display=swap');

:root {
  --paper: #e7e0d4;
  --card: #fbf7f0;
  --ink: #1c1915;
  --muted: #6f675c;
  --line: #ddd3c4;
  --green: #1f3d34;
  --warn: #8d3b2c;
  --ok: #1d6b4f;
  --slab: #14241c;
  --shadow: 0 24px 60px rgba(48, 36, 18, 0.08);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Outfit, "Segoe UI", sans-serif;
  background:
    radial-gradient(1000px 420px at -10% -20%, #f8f3ea 0%, transparent 55%),
    radial-gradient(800px 380px at 110% -10%, #d5e4db 0%, transparent 50%),
    var(--paper);
}

button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { opacity: 0.6; cursor: wait; }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.boot {
  padding: 48px 20px;
  color: var(--muted);
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  max-width: 980px;
  margin: 0 auto;
  padding: 22px 20px 0;
}

.brand {
  font-weight: 700;
  letter-spacing: -0.03em;
}

.top-actions, .row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.row.center { justify-content: center; }

h1, h2, p { margin-top: 0; }
h1 {
  margin-bottom: 8px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
}
h2 { font-size: 1.05rem; margin-bottom: 12px; }

.eyebrow {
  margin-bottom: 8px;
  color: var(--ok);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lede, .hint, .field-note, .checked {
  color: var(--muted);
  line-height: 1.5;
}

.auth, .member, .admin {
  width: min(100% - 32px, 480px);
  margin: 28px auto 48px;
}

.admin { width: min(100% - 32px, 980px); }

.auth, .panel, .card, .slab {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.auth, .panel { padding: 22px; }
.auth h1 { font-size: 2rem; }

form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-size: 0.92rem; font-weight: 600; }

input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
textarea {
  min-height: 140px;
  resize: vertical;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 12px 16px;
  background: var(--green);
  color: #f6f1e7;
}

button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
button.danger {
  background: transparent;
  color: var(--warn);
  border: 1px solid #e4c2ba;
}

.form-error {
  margin: 0;
  color: var(--warn);
  font-weight: 600;
}
.form-error.ok { color: var(--ok); }

.member { display: grid; gap: 8px; }
.checks { display: grid; gap: 8px; }
.checks label { font-weight: 500; grid-template-columns: auto 1fr; align-items: center; }
.account-card { margin-top: 14px; }

.slab {
  margin: 12px 0;
  padding: 22px 16px 16px;
  background: var(--slab);
  color: #f4efe6;
  text-align: center;
  border: 0;
}

.slab-status { min-height: 1.4em; color: #d5e6dc; }
.digits {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 18px;
}
.digits span {
  min-width: 58px;
  padding: 10px 0;
  border-radius: 14px;
  background: #1d3329;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: clamp(2rem, 9vw, 3.4rem);
  letter-spacing: 0;
  user-select: all;
}
.slab .copy { background: #f4efe6; color: var(--slab); }
.code-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.slab .received {
  background: transparent;
  color: #f4efe6;
  border: 1px solid rgba(244, 239, 230, 0.7);
  min-width: 220px;
}
.slab .ghost.light {
  color: #f4efe6;
  border-color: rgba(244, 239, 230, 0.35);
}
.slab .checked { color: #b7c9bf; }

.history, .cards {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: grid;
  gap: 10px;
}
.history li, .card {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 252, 247, 0.7);
  border: 1px solid var(--line);
}
.history strong {
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
}
.card { align-items: flex-start; }
.card div { display: grid; gap: 4px; min-width: 0; }
.card p, .card span { color: var(--muted); overflow-wrap: anywhere; }
.card .actions { display: flex; gap: 8px; flex-wrap: wrap; }

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.tabs button { background: transparent; color: var(--ink); border: 1px solid transparent; }
.tabs button.on { background: var(--green); color: #f6f1e7; }

.steps { color: var(--muted); line-height: 1.5; padding-left: 18px; }
.badge {
  display: inline-block;
  width: fit-content;
  border-radius: 999px;
  padding: 2px 8px;
  background: #f3d6cf;
  color: #6e2e24;
  font-size: 0.75rem;
  font-weight: 700;
}
.badge.ok { background: #d7ebe3; color: #1d4a3c; }
details summary { cursor: pointer; font-weight: 700; margin-bottom: 12px; }
.empty { color: var(--muted); }

@media (max-width: 640px) {
  .card, .history li { flex-direction: column; }
  .digits span { min-width: 48px; }
}