:root {
  --bg: #f3efe6;
  --ink: #1c1915;
  --muted: #6d655c;
  --line: #e0d8cc;
  --card: #fffdf8;
  --nav: #1c1915;
  --nav-muted: #c8bfb2;
  --accent: #0f6e56;
  --accent-ink: #ffffff;
  --danger: #8c3a2f;
  --ok: #e5f4ee;
  --ok-ink: #0f6e56;
  --warn: #f8e7c9;
  --error: #f8e4df;
  --shadow: 0 1px 0 rgba(28, 25, 21, 0.04);
  --font: "Segoe UI", "Helvetica Neue", sans-serif;
  --mono: "Cascadia Mono", "Segoe UI Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 16px/1.45 var(--font);
}

a { color: var(--accent); }

h1, h2 { font-weight: 620; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: 1.8rem; }
h2 { font-size: 1.05rem; }

.shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

.nav {
  background: var(--nav);
  color: #f6f1e8;
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.brand {
  color: inherit;
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 680;
  letter-spacing: -0.03em;
}

.brand-note {
  margin: -14px 0 0;
  color: var(--nav-muted);
  font-size: 0.82rem;
}

.nav nav { display: flex; flex-direction: column; gap: 4px; }

.nav nav a {
  color: var(--nav-muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
}

.nav nav a.is-active,
.nav nav a:hover {
  background: #2b261f;
  color: #fff;
}

.nav-user {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.92rem;
}

.nav-user span { color: var(--nav-muted); }

button.linkish {
  background: none;
  color: var(--nav-muted);
  border: 0;
  padding: 8px 0 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

main { padding: 32px 36px 64px; max-width: 1100px; }

.auth-main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.page { display: flex; flex-direction: column; gap: 18px; }

.page-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.lede, .hint { color: var(--muted); margin: 6px 0 0; }
.hint { font-size: 0.92rem; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.stack { display: flex; flex-direction: column; gap: 12px; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label { display: flex; flex-direction: column; gap: 6px; font-size: 0.92rem; }
label.inline { flex-direction: row; align-items: center; }

input, select, textarea {
  font: inherit;
  color: inherit;
  background: #fff;
  border: 1px solid #d5cec3;
  border-radius: 8px;
  padding: 10px 12px;
}

textarea { resize: vertical; }

fieldset {
  border: 1px solid var(--line);
  border-radius: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
}

button, .button {
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid #d5cec3;
}

button.danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid #e4c4be;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }

.banner, .flash {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--warn);
}

.flash.ok { background: var(--ok); color: var(--ok-ink); }
.flash.error, .banner.warn { background: var(--error); color: var(--danger); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }

table { width: 100%; border-collapse: collapse; }

th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th { font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }

tr:last-child td { border-bottom: 0; }

.num { font-family: var(--mono); font-size: 0.92rem; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.actions form { margin: 0; }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: #efeae2;
  font-size: 0.85rem;
}

.pill.ok { background: var(--ok); color: var(--ok-ink); }

.empty {
  padding: 28px;
  border: 1px dashed #d5cec3;
  border-radius: 14px;
  color: var(--muted);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.stats div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

.stats strong { display: block; font-size: 1.5rem; }
.stats span { color: var(--muted); font-size: 0.85rem; }

.message {
  white-space: pre-wrap;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  margin: 0;
  font-family: var(--font);
}

.qr-card img {
  width: 280px;
  height: 280px;
  object-fit: contain;
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.ready h2 { margin-bottom: 8px; }

.errors { margin: 0; padding-left: 18px; color: var(--danger); }
.chip {
  display: inline-block;
  margin: 0 6px 6px 0;
  padding: 2px 6px;
  background: #efeae2;
  border-radius: 6px;
  font-size: 0.85rem;
}

small { display: block; color: var(--danger); }

.is-online #qr-card { display: none; }

@media (max-width: 800px) {
  .shell { grid-template-columns: 1fr; }
  .nav { padding: 16px; }
  .nav nav { flex-direction: row; flex-wrap: wrap; }
  .nav-user { margin-top: 8px; }
  main { padding: 20px 16px 48px; }
  .page-head, .grid, .stats { display: flex; flex-direction: column; }
  .stats { display: grid; grid-template-columns: 1fr 1fr; }
}