:root {
  --background: #f7f3ec;
  --surface: #ffffff;
  --text: #2d3a34;
  --muted: #6b766f;
  --accent: #4f7f6a;
  --accent-soft: #e3eee8;
  --border: #e4ded2;
  --notice: #fff4d6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

main { max-width: 640px; margin: 0 auto; padding: 1rem 1rem 3rem; }

h1 { font-size: 1.6rem; margin: 1rem 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 0 0 0.75rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 0.5rem; }

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

.topbar {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: 0.75rem 1rem; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; text-decoration: none; color: var(--accent); font-size: 1.2rem; }
.topbar nav { display: flex; gap: 0.9rem; flex-wrap: wrap; flex: 1; }
.topbar nav a { text-decoration: none; color: var(--text); }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 1rem 1.1rem; margin: 0.9rem 0;
}
.card.narrow { max-width: 380px; margin: 3rem auto; }

.muted { color: var(--muted); }
.small { font-size: 0.9rem; margin: 0.25rem 0 0; }

.notice { background: var(--notice); border-radius: 10px; padding: 0.6rem 0.8rem; margin: 0.75rem 0 0; }

.task-list { list-style: none; margin: 0; padding: 0; }
.task-list li {
  display: flex; justify-content: space-between; align-items: center; gap: 0.75rem;
  padding: 0.6rem 0; border-bottom: 1px solid var(--border);
}
.task-list li:last-child { border-bottom: 0; }
.task-list.done li span { color: var(--muted); }
.actions { display: flex; gap: 0.4rem; align-items: center; }

.tag {
  display: inline-block; background: var(--accent-soft); color: var(--accent);
  border-radius: 999px; padding: 0.05rem 0.6rem; font-size: 0.8rem; margin-left: 0.4rem;
}

form.inline { display: inline; margin: 0; }
label { display: block; margin: 0.75rem 0; font-weight: 600; }
input[type="text"], input[type="password"], select, textarea {
  display: block; width: 100%; margin-top: 0.3rem; padding: 0.65rem 0.75rem;
  border: 1px solid var(--border); border-radius: 10px; font: inherit; background: #fffdf9;
}
fieldset { border: 0; padding: 0; margin: 0 0 0.5rem; }
legend { font-weight: 600; padding: 0; }
.radio-row { display: flex; gap: 0.6rem; margin-top: 0.5rem; }
.radio { display: flex; align-items: center; gap: 0.3rem; margin: 0; font-weight: 500; }

button {
  font: inherit; border-radius: 10px; border: 1px solid var(--border);
  padding: 0.55rem 0.9rem; cursor: pointer; background: var(--surface); color: var(--text);
  min-height: 44px;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.ghost { background: var(--accent-soft); border-color: var(--accent-soft); color: var(--accent); }
button.link-button { border: 0; background: none; color: var(--muted); min-height: 0; padding: 0.2rem; text-decoration: underline; }
button:disabled { opacity: 0.45; cursor: not-allowed; }

progress { width: 100%; height: 14px; accent-color: var(--accent); }