:root {
  --ink: #12262c;
  --sea: #0f4c5c;
  --foam: #f4f1ea;
  --sand: #e4d3b3;
  --kite: #d4530a;
  --ok: #1b6b45;
  --warn: #9a6700;
  --bad: #9b1c1c;
  --card: #fffdf8;
  --line: rgba(18, 38, 44, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--foam);
  color: var(--ink);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

body {
  margin: 0;
}

.page-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

h1, h2, .eyebrow {
  font-family: Fraunces, Georgia, serif;
}

h1 {
  margin: 0.15rem 0 0;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 0.8rem;
  font-size: 1.15rem;
}

.eyebrow {
  margin: 0;
  color: var(--sea);
  font-weight: 700;
}

.top, .grid, .controls {
  display: grid;
  gap: 1rem;
}

.top {
  grid-template-columns: 1.4fr 1fr;
  align-items: stretch;
  margin-bottom: 1rem;
}

.now, .panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem 1.1rem;
  box-shadow: 0 1px 0 rgba(255,255,255,0.7) inset;
}

.now {
  background:
    linear-gradient(160deg, rgba(212, 83, 10, 0.12), transparent 42%),
    var(--card);
}

.controls {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.9rem;
  margin-bottom: 0.9rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sea);
}

input, select, textarea, button {
  font: inherit;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.45rem 0.55rem;
  background: #fff;
}

textarea { min-height: 7rem; resize: vertical; }

button {
  background: var(--sea);
  color: white;
  border: 0;
  font-weight: 600;
  cursor: pointer;
  align-self: end;
  padding: 0.6rem 0.8rem;
}

button:hover { filter: brightness(1.08); }

.modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1rem;
}

.modes button {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.modes button[aria-current="true"] {
  background: var(--kite);
  color: white;
}

.grid { grid-template-columns: 1fr 1fr; margin-bottom: 1rem; }
.grid.three { grid-template-columns: 1.1fr 1fr 0.9fr; }
.wide { grid-column: 1 / -1; }

.spots {
  display: grid;
  gap: 0.65rem;
}

.spot {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.7rem;
  align-items: center;
  padding: 0.7rem;
  border-radius: 12px;
  background: var(--foam);
}

.score {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: white;
  background: var(--sea);
}

.score.go { background: var(--ok); }
.score.maybe { background: var(--warn); }
.score.stay-home, .score.no-go { background: var(--bad); }

.list, #knowledge {
  list-style: none;
  padding: 0;
  margin: 0.8rem 0 0;
  display: grid;
  gap: 0.55rem;
}

.list li, .knowledge-item {
  background: var(--foam);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
}

.stack { display: grid; gap: 0.55rem; }
.check { flex-direction: row; align-items: center; gap: 0.45rem; }
.muted { color: rgba(18, 38, 44, 0.72); font-size: 0.92rem; }
pre {
  white-space: pre-wrap;
  font-family: inherit;
  margin: 0;
  line-height: 1.45;
}

.warn { color: var(--bad); }
.ok { color: var(--ok); }
footer {
  margin-top: 1rem;
  color: rgba(18, 38, 44, 0.65);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .top, .grid, .grid.three { grid-template-columns: 1fr; }
}