:root {
  color-scheme: dark;
  --bg: #14181a;
  --card: #1d2326;
  --text: #e6ebe8;
  --muted: #8d9893;
  --accent: #2f7f6a;
  --danger: #e0685c;
  --line: #2c3438;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 system-ui, sans-serif;
}

main, #login { max-width: 520px; margin: 0 auto; padding: 16px; }
#login { padding-top: 20vh; }

header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
h1 { font-size: 1.4rem; margin: 0 0 12px; }

.tabs { display: flex; gap: 8px; }
.tab { padding: 8px 12px; color: var(--muted); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  padding: 10px 14px;
}
button { cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--danger); border-color: var(--danger); }
button.link { border: 0; background: none; color: var(--muted); padding: 4px; }

textarea { width: 100%; resize: vertical; }
label { display: block; margin-bottom: 12px; }
label input, label textarea, label select { display: block; width: 100%; margin-top: 4px; }

.days { display: flex; gap: 8px; margin-bottom: 12px; }
.days input { flex: 1; text-align: center; }

ul { list-style: none; margin: 0 0 12px; padding: 0; }
li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
  cursor: pointer;
  white-space: pre-wrap;
}
li .cat { color: var(--accent); font-weight: 600; font-size: .9rem; margin-bottom: 2px; }
li .extra { color: var(--muted); font-size: .9rem; margin-top: 4px; }

li.habit { cursor: default; }
li.habit.openable { cursor: pointer; }
li.habit.inactive { opacity: .45; }
.habit-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.habit-head .name { font-weight: 600; font-size: 1.05rem; }
.gear { border: 0; background: none; color: var(--muted); padding: 4px 8px; }
.habit .actions { display: flex; gap: 8px; margin-top: 10px; }
.habit .actions button { flex: 1; }
.habit .status { margin-top: 8px; font-weight: 600; }
.habit .status.done { color: #5ec2a2; }
.habit .status.missed { color: var(--danger); }

h2 { font-size: 1.1rem; margin: 0 0 12px; }
fieldset { border: 0; padding: 0; margin: 0 0 12px; }
legend { padding: 0; margin-bottom: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
fieldset .chips { margin-bottom: 0; }
.chip {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
}
.chip input { display: inline; width: auto; margin: 0; padding: 0; }

.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; margin: 0 0 8px; }
.row { display: flex; gap: 8px; }
.row .primary { margin-left: auto; }

#add { width: 100%; padding: 14px; margin-bottom: 20px; }
#login-form input, #login-form button { width: 100%; margin-bottom: 10px; }

details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
details button, details input, details select { background: var(--bg); }
summary { cursor: pointer; margin-bottom: 8px; }

dialog {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  width: min(92vw, 480px);
  background: var(--card);
  color: var(--text);
}
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog input, dialog textarea, dialog select, dialog button:not(.primary) { background: var(--bg); }