:root {
  --ink: #1c1915;
  --ink-soft: #5c564c;
  --paper: #f3efe6;
  --paper-2: #e8e1d4;
  --card: #fbf8f1;
  --line: #d4cbb8;
  --stamp: #b42318;
  --stamp-dark: #8c1a12;
  --good: #1f6b3a;
  --good-bg: #e4f3e9;
  --warn: #8a5a10;
  --bad: #9b1c1c;
  --bad-bg: #fde8e6;
  --navy: #1f2a36;
  --shadow: 0 10px 30px rgba(28, 25, 21, 0.08);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  --sans: "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", "ui-monospace", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background:
    radial-gradient(1200px 500px at 10% -10%, #fffaf0 0%, transparent 50%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.45;
}

.app { max-width: 1120px; margin: 0 auto; padding: 28px 20px 64px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.stamp {
  width: 42px; height: 42px;
  border: 2px dashed var(--stamp);
  color: var(--stamp);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: 0.04em;
  transform: rotate(-8deg);
  background: #fff;
}
.brand h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: -0.03em;
}
.brand p { margin: 0; color: var(--ink-soft); font-size: 13px; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tabs button, .btn, .linkish {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  font: inherit;
}
.tabs button.active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}
.btn-primary {
  background: var(--stamp);
  border-color: var(--stamp);
  color: #fff;
}
.btn-primary:hover { background: var(--stamp-dark); }
.btn-ghost { background: transparent; }
.btn-danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: 1.3fr 0.7fr; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
}
.card h2 {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: 22px;
}
.muted { color: var(--ink-soft); font-size: 13px; }
.card .muted { margin: 0 0 16px; }

label { display: block; font-size: 12px; font-weight: 650; letter-spacing: 0.04em; text-transform: uppercase; margin: 0 0 6px; color: var(--ink-soft); }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
}
textarea { min-height: 180px; resize: vertical; font-family: var(--sans); }
.field { margin-bottom: 14px; }
.fields-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .fields-2 { grid-template-columns: 1fr; } }

.preview {
  white-space: pre-wrap;
  font-family: var(--mono);
  font-size: 13px;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 14px;
  min-height: 160px;
}
.kpi { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.kpi div {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}
.kpi b { display: block; font-size: 22px; font-family: var(--serif); }
.kpi span { color: var(--ink-soft); font-size: 12px; }

.table-wrap { overflow: auto; max-height: 420px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--paper-2); }
th { position: sticky; top: 0; background: var(--paper-2); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; }
tr:last-child td { border-bottom: 0; }
.email { font-family: var(--mono); font-size: 12px; }

.banner {
  border-radius: 12px;
  padding: 10px 12px;
  margin: 0 0 14px;
  font-size: 14px;
}
.banner.ok { background: var(--good-bg); color: var(--good); }
.banner.err { background: var(--bad-bg); color: var(--bad); }
.hidden { display: none !important; }

.gate {
  min-height: 70vh;
  display: grid;
  place-items: center;
}
.gate .card { width: min(420px, 100%); }
.progress {
  height: 10px;
  background: var(--paper-2);
  border-radius: 99px;
  overflow: hidden;
  margin: 10px 0 6px;
}
.progress > span {
  display: block;
  height: 100%;
  background: var(--stamp);
  width: 0;
  transition: width 0.2s ease;
}
.log {
  max-height: 180px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 12px;
  background: #fff;
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 10px;
}
.log .fail { color: var(--bad); }
.log .ok { color: var(--good); }

.drop {
  border: 1.5px dashed var(--line);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  background: #fff;
  margin-bottom: 14px;
}
.chip {
  display: inline-block;
  background: var(--paper-2);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
}
.help { font-size: 12px; color: var(--ink-soft); margin-top: 6px; }
.footer-note { margin-top: 28px; color: var(--ink-soft); font-size: 12px; text-align: center; }