:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1d21;
  --muted: #5c6470;
  --border: #d9dde2;
  --accent: #0f6f5c;
  --accent-fg: #ffffff;
  --danger: #b3261e;
  --card: #f6f7f8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --fg: #e7e9ea;
    --muted: #9aa3ad;
    --border: #2c3136;
    --accent: #35c9a5;
    --accent-fg: #0b1210;
    --danger: #ff6b60;
    --card: #1b1f23;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

main.wide { max-width: 1200px; }
main.narrow { max-width: 440px; }

h1 { margin: 0 0 4px; font-size: 1.6rem; }
h2 { margin: 32px 0 12px; font-size: 1.15rem; }

.lede { color: var(--muted); margin: 0 0 24px; }
.hint { color: var(--muted); font-size: 0.9rem; }

a { color: var(--accent); }

.alert {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  border: 1px solid var(--danger);
  color: var(--fg);
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
}
.alert ul { margin: 0; padding-left: 18px; }

form.stack { display: flex; flex-direction: column; gap: 6px; }

fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px 20px;
  margin: 0 0 18px;
}

legend { padding: 0 6px; font-weight: 600; color: var(--muted); }

label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 10px;
}

input, textarea, select {
  font: inherit;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  margin-top: 4px;
  width: 100%;
}

textarea { resize: vertical; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

button, .button {
  font: inherit;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-fg);
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  margin-top: 16px;
  align-self: flex-start;
}

button.danger, .button.danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}

.link-button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  margin: 0;
  font: inherit;
  text-decoration: underline;
}
.link-button.danger { color: var(--danger); }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header .actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.page-header .actions form { margin: 0; }
.page-header .actions .button,
.page-header .actions button { margin-top: 0; }

.admin-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
}
.admin-nav .brand { font-weight: 700; text-decoration: none; color: var(--fg); }
.admin-nav form { margin: 0; }

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

.data-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.88rem;
}

.data-table th, .data-table td {
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  white-space: nowrap;
}

.data-table td.notes-cell {
  white-space: normal;
  min-width: 160px;
}

.data-table th { color: var(--muted); font-weight: 600; }

.row-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.row-actions form { margin: 0; }

code {
  background: var(--card);
  padding: 2px 6px;
  border-radius: 4px;
}