:root { --bg: #f8f1de; --card: #fffdf7; --ink: #2b2417; --muted: #7a6f5a; --accent: #f29e1a; --sea: #1a73b4; --bad: #d94040; --ok: #3aa65a; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 24px; background: #fff7e6; border-bottom: 2px solid #ead9b3; }
header h1 { margin: 0; font-size: 22px; }
.controls { display: flex; gap: 14px; align-items: center; }
.controls label { display: flex; gap: 6px; align-items: center; color: var(--muted); }
select, button { font: inherit; padding: 6px 10px; border-radius: 8px; border: 1px solid #d9c9a3; background: #fff; }
button { background: var(--accent); color: #fff; border: none; cursor: pointer; }
main { padding: 20px 24px 60px; max-width: 1400px; margin: 0 auto; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-bottom: 20px; }
.card { background: var(--card); border-radius: 14px; padding: 14px 16px; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.card .value { font-size: 26px; font-weight: 700; margin-top: 2px; }
.card .sub { color: var(--muted); font-size: 13px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 16px; margin-bottom: 20px; }
.panel { background: var(--card); border-radius: 14px; padding: 16px; box-shadow: 0 1px 3px rgba(0,0,0,.08); margin-bottom: 16px; }
.panel h2 { margin: 0 0 8px; font-size: 16px; }
.hint { margin: 0 0 10px; color: var(--muted); font-size: 13px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid #efe4cc; vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
td.num, th.num { text-align: right; }
.bad { color: var(--bad); font-weight: 600; }
.ok { color: var(--ok); font-weight: 600; }
pre { white-space: pre-wrap; font-size: 12px; max-height: 400px; overflow: auto; background: #faf5e8; padding: 10px; border-radius: 8px; }
canvas { max-height: 280px; }
.empty { color: var(--muted); padding: 30px; text-align: center; }
.who { color: var(--muted); font-size: 13px; }
button.secondary { background: #fff; color: var(--ink); border: 1px solid #d9c9a3; }
button.small { padding: 3px 8px; font-size: 12px; }
form.inline { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
form.inline input { font: inherit; padding: 6px 10px; border-radius: 8px; border: 1px solid #d9c9a3; }
.error { color: var(--bad); font-size: 13px; }

/* login page */
  .login { max-width: 420px; margin: 60px auto; }
  .login h1 { text-align: center; }
  .login label { display: block; margin: 12px 0 4px; color: var(--muted); font-size: 13px; }
  .login input { width: 100%; font: inherit; padding: 10px 12px; border-radius: 10px; border: 1px solid #d9c9a3; background: #fff; }
  .login button { width: 100%; margin-top: 16px; padding: 12px; font-weight: 600; }
  .login .error { color: var(--bad); margin-top: 10px; min-height: 1.4em; }
  .qr { text-align: center; margin: 12px 0; }
  .qr img { width: 220px; height: 220px; background: #fff; padding: 8px; border-radius: 12px; }
  .secret { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all; background: #faf5e8; padding: 8px; border-radius: 8px; font-size: 13px; }
  .step[hidden] { display: none; }