:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1f2933;
  --muted: #6b7280;
  --accent: #1f6f43;
  --accent-ink: #ffffff;
  --error: #8b0000;
  --border: #d9dee3;
}

* { box-sizing: border-box; }

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

.container { max-width: 820px; margin: 0 auto; padding: 32px 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 20px;
}

.login-card { max-width: 380px; margin: 8vh auto 0; }

.title { margin: 0 0 4px; font-size: 1.4rem; }
.muted { color: var(--muted); font-size: 0.9rem; }

.topbar {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 16px;
}

.row { display: flex; gap: 12px; align-items: center; }
.row.spread { justify-content: space-between; }
.row.end { justify-content: flex-end; }

label { display: block; margin: 12px 0; }
label > span { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 4px; }

input[type="text"], input[type="password"], input[type="file"] {
  width: 100%; padding: 9px 10px;
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 0.95rem; background: #fff;
}

button {
  font: inherit; cursor: pointer; border-radius: 6px;
  padding: 9px 16px; border: 1px solid transparent;
}
button.primary { background: var(--accent); color: var(--accent-ink); }
button.primary:disabled { opacity: 0.5; cursor: not-allowed; }
button.link {
  background: none; border: none; color: var(--accent);
  text-decoration: underline; padding: 6px;
}

.entries { width: 100%; border-collapse: collapse; margin: 12px 0; }
.entries th, .entries td {
  text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.entries th { color: var(--muted); font-weight: 600; }

.warning {
  color: var(--error); background: #fff5f5;
  border: 1px solid #f3c2c2; border-radius: 6px;
  padding: 10px 12px; font-size: 0.9rem;
}

.error { color: var(--error); font-size: 0.9rem; min-height: 1em; }

.status { margin-top: 14px; font-size: 0.9rem; }
.status > div { padding: 3px 0; font-variant-numeric: tabular-nums; }

dialog {
  border: 1px solid var(--border); border-radius: 10px;
  padding: 22px; width: min(460px, 92vw);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.35); }
dialog h3 { margin-top: 0; }