:root {
  --bg: #ffffff;
  --text: #111213;
  --muted: #5b6068;
  --card: #f4f6f8;
  --primary: #2563eb;
  --danger: #b91c1c;
  --ring: #9aa3b2;
  --shadow: 0 10px 16px rgba(0,0,0,0.08);
}

body.theme-dark {
  --bg: #0b0e13;
  --text: #e6e9ed;
  --muted: #9aa3b2;
  --card: #141922;
  --primary: #60a5fa;
  --danger: #f87171;
  --ring: #384153;
  --shadow: 0 10px 16px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
}

.wrap {
  max-width: 900px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
}

.site-header, .site-footer {
  text-align: center;
  padding: 1.25rem 1rem;
}

.subhead { color: var(--muted); }

.controls {
  margin: 1rem 0 1.25rem;
  padding: 0.5rem 0;
}

.control-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.card {
  background: var(--card);
  border-radius: 14px;
  padding: 1rem;
  margin: 1rem 0;
  box-shadow: var(--shadow);
  border: 1px solid var(--ring);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 0.75rem;
}

.grid-span-2 { grid-column: span 2; }

label { display: grid; gap: 0.35rem; font-weight: 600; }
label span { font-size: 0.9rem; color: var(--muted); }

input, select, textarea {
  padding: 0.6rem 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--ring);
  background: #fff;
  color: #111;
  outline: none;
}
body.theme-dark input,
body.theme-dark select,
body.theme-dark textarea {
  background: #0e1420;
  color: var(--text);
  border-color: #2a3446;
}

.actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.btn {
  border: 1px solid transparent;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  background: #e5e7eb;
  color: #111;
}
.btn:hover { filter: brightness(0.97); }
.btn.primary { background: var(--primary); color: #fff; }
.btn.danger { background: var(--danger); color: #fff; }

.output {
  display: grid;
  gap: 0.75rem;
}

.entry {
  background: #fff;
  color: #111;
  border: 1px solid var(--ring);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  box-shadow: var(--shadow);
}
body.theme-dark .entry {
  background: #0f1622;
  color: var(--text);
}

.entry h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.entry .meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.notice {
  min-height: 1.25rem;
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

/* Utility/accessibility */
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* Small screens: stack the form */
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .grid-span-2 { grid-column: auto; }
}