:root {
  --ink: #172033;
  --muted: #667085;
  --line: #d8dee8;
  --surface: #f5f7fb;
  --panel: #ffffff;
  --accent: #13776f;
  --danger: #b42318;
  --ok: #087443;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 56px;
  padding: 0 24px;
  background: #172033;
  color: #fff;
}

.topbar span { color: #cdd5df; font-size: 0.9rem; }
.topbar a { color: #fff; text-decoration: none; }

.shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 22px;
  display: grid;
  gap: 18px;
}

.stats,
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.grid { grid-template-columns: 360px 1fr; }

.stats div,
.panel,
.alert {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.stats div {
  padding: 16px;
  display: grid;
  gap: 6px;
}

.stats span,
.muted,
p {
  color: var(--muted);
}

.stats strong {
  font-size: 1.7rem;
}

.panel {
  padding: 18px;
  display: grid;
  gap: 14px;
}

h1,
h2,
p {
  margin: 0;
}

h1 { font-size: 1.25rem; }
h2 { font-size: 1.05rem; }

label {
  display: grid;
  gap: 7px;
  font-weight: 700;
  font-size: 0.92rem;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
}

textarea {
  min-height: 170px;
  resize: vertical;
}

button {
  min-height: 42px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: white;
  font-weight: 800;
  cursor: pointer;
}

.upload-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

pre {
  margin: 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
  padding: 12px;
  color: var(--ink);
}

.alert {
  padding: 12px 14px;
}

.alert.success { border-color: #9ad5bd; color: var(--ok); }
.alert.error { border-color: #f5b5b0; color: var(--danger); }

.table-wrap { overflow-x: auto; }

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

th,
td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
}

.status {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: #eef2f6;
  font-size: 0.82rem;
  font-weight: 800;
}

.status.uploaded,
.status.rendered {
  background: #dcfae6;
  color: var(--ok);
}

.status.failed {
  background: #fee4e2;
  color: var(--danger);
}

.empty {
  color: var(--muted);
  text-align: center;
}

@media (max-width: 820px) {
  .stats,
  .grid,
  .upload-form {
    grid-template-columns: 1fr;
  }
}