:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #16181d;
  --muted: #6b7280;
  --line: #e3e6ea;
  --accent: #2563eb;
  --danger: #dc2626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 0 3rem;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main { max-width: 720px; margin: 0 auto; padding: 1rem; }

.topbar {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1rem;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 600; text-decoration: none; color: var(--ink); }
.who { margin-left: auto; color: var(--muted); font-size: .9rem; }
.topbar form { margin: 0; }

button, .button {
  display: inline-block;
  padding: .6rem 1rem;
  border: 0;
  border-radius: .5rem;
  background: var(--accent);
  color: #fff;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}
button.link {
  background: none;
  color: var(--muted);
  padding: .2rem;
  text-decoration: underline;
}
.danger { margin-top: 2rem; text-align: center; }
.danger button.link { color: var(--danger); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: .75rem;
  padding: 1rem;
  margin-bottom: 1rem;
}
.card h1 { margin-top: 0; font-size: 1.25rem; }
.login { max-width: 22rem; margin: 3rem auto; }

label { display: block; margin-bottom: .75rem; color: var(--muted); font-size: .85rem; }
input, select, textarea {
  display: block;
  width: 100%;
  margin-top: .25rem;
  padding: .6rem;
  border: 1px solid var(--line);
  border-radius: .5rem;
  background: #fff;
  color: var(--ink);
  font: inherit;
}
.error { color: var(--danger); }

.toolbar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: 1rem; }
.filters { display: flex; flex-wrap: wrap; gap: .4rem; }
.filters a {
  padding: .75rem 1rem;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  font-size: .85rem;
}
.filters a.on { background: var(--accent); border-color: var(--accent); color: #fff; }

.empty { color: var(--muted); }
.projects { list-style: none; margin: 0; padding: 0; }
.project {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: .75rem;
  padding: .8rem 1rem;
  margin-bottom: .6rem;
}
.project.overdue { border-left-color: var(--danger); }
.project.archived { opacity: .65; border-style: dashed; }
.badge {
  display: inline-block;
  padding: .1rem .5rem;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: .75rem;
}
.badge-line { margin: 0 0 .6rem; }
.project .title { font-weight: 600; text-decoration: none; color: var(--ink); overflow-wrap: anywhere; }
.project .next { margin: .2rem 0 .4rem; overflow-wrap: anywhere; }
.meta { display: flex; flex-wrap: wrap; gap: .5rem; font-size: .8rem; color: var(--muted); }
.status { padding: .1rem .5rem; border-radius: 999px; background: var(--bg); }
.s-active { background: #dbeafe; color: #1e40af; }
.s-waiting { background: #fef3c7; color: #92400e; }
.s-done { background: #e5e7eb; }
.project.overdue .due { color: var(--danger); font-weight: 600; }

.notes { list-style: none; margin: 0; padding: 0; }
.note {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: .6rem;
  padding: .6rem .8rem;
  margin-bottom: .5rem;
}
.note.system { background: transparent; border-style: dashed; color: var(--muted); }
.note-meta { font-size: .75rem; color: var(--muted); margin-bottom: .2rem; }
.note-body { white-space: pre-wrap; overflow-wrap: anywhere; }

@media (max-width: 480px) {
  main { padding: .75rem; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .button { text-align: center; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card: #1c1f25;
    --ink: #e8eaed;
    --muted: #9aa1ac;
    --line: #2c3037;
  }
  input, select, textarea { background: #14161a; }
  .s-active { background: #1e3a8a; color: #dbeafe; }
  .s-waiting { background: #78350f; color: #fef3c7; }
  .s-done { background: #2c3037; }
}