:root {
  --ink: #1a2332;
  --paper: #f7f5f0;
  --card: #ffffff;
  --line: #dcd7c9;
  --accent: #2c5f5a;
  --accent-dark: #1e4340;
  --warn: #b5622a;
  --muted: #6b6459;
  --mono: 'IBM Plex Mono', 'SF Mono', Consolas, monospace;
  --serif: 'Source Serif 4', Georgia, serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, 'Inter', Segoe UI, sans-serif;
  min-height: 100vh;
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 64px 24px;
}

.ledger-mark {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.ledger-mark::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--accent);
}

h1 {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 600;
  margin: 0 0 6px 0;
  letter-spacing: -0.01em;
}

.sub {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 40px 0;
  line-height: 1.5;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 36px;
  position: relative;
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--accent);
}

label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
}

input[type="text"] {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 15px;
  font-family: inherit;
  background: var(--paper);
  color: var(--ink);
  margin-bottom: 24px;
}
input[type="text"]:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.dropzone {
  border: 1.5px dashed var(--line);
  border-radius: 2px;
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
  margin-bottom: 28px;
  background: var(--paper);
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: #f0ede4; }
.dropzone input { display: none; }
.dz-label { font-size: 14px; color: var(--muted); }
.dz-label strong { color: var(--ink); }
.dz-filename {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent-dark);
  margin-top: 10px;
  display: none;
}

button, .btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 13px 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 2px;
  cursor: pointer;
  width: 100%;
  font-family: inherit;
  transition: background 0.15s ease;
  text-align: center;
  text-decoration: none;
  display: inline-block;
}
button:hover, .btn:hover { background: var(--accent-dark); }
button:focus-visible, .btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.error {
  background: #fbeee5;
  border: 1px solid var(--warn);
  color: var(--warn);
  padding: 12px 16px;
  border-radius: 2px;
  font-size: 14px;
  margin-bottom: 24px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.stat-row:last-child { border-bottom: none; }
.stat-label { color: var(--muted); }
.stat-value { font-family: var(--mono); font-weight: 600; }
.stat-value.flag { color: var(--warn); }

.footer-note {
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.6;
  text-align: center;
}

.back-link {
  display: inline-block;
  margin-top: 24px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}
.back-link:hover { color: var(--accent-dark); }