:root {
  --bg: #12151c;
  --panel: #1a1f29;
  --line: #2a2f3a;
  --text: #e6e9f0;
  --muted: #8b93a7;
  --accent: #e8a33d;
  --good: #57b26a;
  --warn: #d4695f;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.2rem;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
  background: var(--panel);
}
nav .brand { font-weight: 700; color: var(--accent); margin-right: 0.5rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }
nav form.inline { margin-left: auto; }
.linkish { background: none; border: none; color: var(--muted); cursor: pointer; font: inherit; }
.linkish:hover { color: var(--text); }

main { max-width: 860px; margin: 0 auto; padding: 1.2rem; }
h1 { font-size: 1.5rem; display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
h2 { font-size: 1.1rem; margin-top: 2rem; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.dim { opacity: 0.55; }

.pill {
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  white-space: nowrap;
}
.pill.good { border-color: var(--good); color: var(--good); }
.pill.warn { border-color: var(--warn); color: var(--warn); }
.state-active { border-color: var(--good); color: var(--good); }
.state-forming { border-color: var(--accent); color: var(--accent); }
.state-graduated { border-color: var(--muted); }
.state-paused { border-color: var(--line); }

.notice {
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.7rem 1rem;
}

/* Today checklist */
.checklist { display: flex; flex-direction: column; gap: 0.45rem; margin-top: 1rem; }
.checklist form { margin: 0; }
.check {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  text-align: left;
  padding: 0.75rem 1rem;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  cursor: pointer;
}
.check:hover { border-color: var(--muted); }
.check .box {
  width: 1.5rem; height: 1.5rem;
  border: 2px solid var(--muted);
  border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700;
  flex: none;
}
.check.done { border-color: var(--good); }
.check.done .box { border-color: var(--good); background: var(--good); color: #10241a; }
.check.done .name { color: var(--muted); text-decoration: line-through; }
.check .hint { margin-left: auto; color: var(--muted); font-size: 0.8rem; }

/* Vibe form */
.vibe { margin-top: 2.2rem; }
.vibe-form { display: flex; gap: 0.7rem; flex-wrap: wrap; align-items: flex-end; }
.vibe-form label { display: flex; flex-direction: column; font-size: 0.8rem; color: var(--muted); gap: 0.2rem; }
.vibe-form input[type="number"] { width: 4.2rem; }
.vibe-form .wide { flex: 1 1 220px; }
.vibe-form .wide input { width: 100%; }

/* Forms & inputs */
input, select, button {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0.45rem 0.6rem;
}
button { background: var(--panel); cursor: pointer; }
button:hover { border-color: var(--accent); }
button.danger:hover { border-color: var(--warn); color: var(--warn); }
.inline-form { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.checkbox { display: flex; align-items: center; gap: 0.45rem; flex-direction: row !important; }

/* Tables */
table { border-collapse: collapse; width: 100%; margin-top: 0.6rem; }
th, td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }

.chart { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 0.8rem; margin-top: 1rem; }
.chart svg { width: 100%; height: auto; display: block; }
.spark { height: 18px; width: 140px; }

blockquote.observation {
  margin: 1.6rem 0;
  padding: 1rem 1.2rem;
  background: var(--panel);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
}
blockquote.observation cite { display: block; color: var(--muted); margin-top: 0.5rem; font-style: normal; }

/* Impact matrix */
.scroll-x { overflow-x: auto; }
.matrix th.rot { height: 120px; white-space: nowrap; vertical-align: bottom; }
.matrix th.rot span { writing-mode: vertical-rl; transform: rotate(180deg); font-size: 0.72rem; color: var(--muted); }
.matrix .cell { text-align: center; font-size: 0.78rem; min-width: 2rem; }
.believed { color: var(--accent); font-weight: 700; }
.observed { display: block; font-size: 0.7rem; }
.observed.good { color: var(--good); }
.observed.warn { color: var(--warn); }
.edge-form { display: flex; gap: 0.7rem; align-items: flex-end; flex-wrap: wrap; margin: 1rem 0; }
.edge-form label { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.8rem; color: var(--muted); }

/* Settings habit rows */
.habit-edit { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; padding: 0.5rem 0; border-bottom: 1px solid var(--line); }
.habit-edit .grow { flex: 1 1 150px; }
.habit-edit .tiny { width: 3.6rem; }
.tiny-label { display: inline-flex; align-items: center; gap: 0.25rem; font-size: 0.75rem; color: var(--muted); }

/* Login */
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 2rem 2.4rem;
  width: min(92vw, 360px);
}
.login-card h1 { color: var(--accent); font-size: 1.3rem; margin-top: 0; }
.login-card form { display: flex; flex-direction: column; gap: 0.9rem; }
.login-card label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.85rem; color: var(--muted); }
.error { color: var(--warn); }

@media (max-width: 600px) {
  main { padding: 0.8rem; }
  nav { gap: 0.7rem; font-size: 0.9rem; }
}