:root {
  --bg: #f7f6f3;
  --fg: #2c2b28;
  --muted: #8a877f;
  --border: #e3e1da;
  --accent: #4a7c59;
  --build: #4a7c59;
  --keep: #4a6b8a;
  --break: #a05a4a;
}

* { box-sizing: border-box; }

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

main {
  max-width: 720px;
  margin: 3rem auto;
  padding: 0 1rem;
}

h1 { font-weight: 600; }

.add-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.add-form input[type="text"] {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  background: #fff;
}

.add-form select,
.add-form button {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  font-size: 1rem;
  cursor: pointer;
}

.add-form button {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  font-weight: 500;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 0.4rem 0.2rem;
}

td { padding: 0.4rem 0.2rem; border-top: 1px solid var(--border); }

.name-col { text-align: left; }
.day-col, .streak-col { text-align: center; }
.day-col.today { background: rgba(74, 124, 89, 0.07); }

.badge {
  display: inline-block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
  margin-right: 0.4rem;
}

.badge-build { background: var(--build); }
.badge-keep  { background: var(--keep); }
.badge-break { background: var(--break); }

.check {
  width: 1.9rem;
  height: 1.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  color: #fff;
  font-size: 0.9rem;
}

.check.done { background: var(--accent); border-color: var(--accent); }
.check:hover { border-color: var(--accent); }

.delete {
  border: none;
  background: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1rem;
}

.delete:hover { color: var(--break); }

.empty { color: var(--muted); text-align: center; margin-top: 2rem; }

/* --- auth ---------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.logout { display: flex; gap: 0.6rem; align-items: center; }
.who { color: var(--muted); font-size: 0.9rem; }

.auth { max-width: 320px; text-align: center; }

.auth-form { display: flex; flex-direction: column; gap: 0.5rem; }

.auth-form input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  background: #fff;
}

.auth-buttons { display: flex; gap: 0.5rem; }

.auth-buttons button {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

button.secondary {
  background: #fff;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
  cursor: pointer;
}

.error { color: var(--break); }