:root {
  --ink: #14312e;
  --ink-soft: #4a6360;
  --line: #d7e0dd;
  --paper: #f6f4ef;
  --card: #ffffff;
  --accent: #0f6b5c;
  --accent-soft: #e6f1ee;
  --warn: #a8442a;
  --radius: 10px;
  --measure: 46rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

h1, h2, h3 { font-family: "Source Serif 4", Georgia, "Times New Roman", serif; font-weight: 600; letter-spacing: -0.01em; }

.wrap { max-width: var(--measure); margin: 0 auto; padding: 0 1.1rem 4rem; }

/* ---- masthead ---- */
.masthead { border-bottom: 1px solid var(--line); background: var(--card); }
.masthead .wrap { padding-block: 1.5rem 1.2rem; }
.eyebrow {
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 0.4rem;
}
.masthead h1 { margin: 0; font-size: clamp(1.5rem, 4.5vw, 2rem); }
.masthead p { margin: 0.35rem 0 0; color: var(--ink-soft); }

/* ---- landing ---- */
.choices { display: grid; gap: 1rem; margin-top: 1.8rem; }
@media (min-width: 46rem) { .choices { grid-template-columns: 1fr 1fr; } }
.choice {
  display: block; text-decoration: none; color: inherit; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem;
}
.choice:hover { border-color: var(--accent); }
.choice h2 { margin: 0 0 0.3rem; font-size: 1.15rem; }
.choice p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }
.choice .go { display: inline-block; margin-top: 0.9rem; color: var(--accent); font-weight: 600; font-size: 0.9rem; }

.note {
  background: var(--accent-soft); border-left: 3px solid var(--accent);
  padding: 0.85rem 1rem; border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.92rem; margin: 1.6rem 0 0;
}

/* ---- progress ---- */
.progress { position: sticky; top: 0; z-index: 5; background: var(--paper); padding-top: 0.6rem; }
.progress-bar { height: 4px; background: var(--line); border-radius: 2px; overflow: hidden; }
.progress-bar span { display: block; height: 100%; width: 0; background: var(--accent); transition: width 0.25s ease; }
.progress-text { font-size: 0.78rem; color: var(--ink-soft); padding: 0.35rem 0 0.6rem; }

/* ---- sections & questions ---- */
.section { margin-top: 2rem; }
.section > h2 {
  margin: 0 0 0.2rem; font-size: 1.05rem; padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--line);
}
.section-note { margin: 0.6rem 0 0; color: var(--ink-soft); font-size: 0.88rem; }

.q {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem 1.1rem 0.7rem; margin-top: 1rem;
}
.q.missing { border-color: var(--warn); }
.q-head { display: flex; gap: 0.6rem; align-items: baseline; }
.q-num { color: var(--accent); font-weight: 700; font-size: 0.85rem; min-width: 1.4rem; }
.q-text { margin: 0; font-weight: 600; }
.q-hint { font-size: 0.78rem; color: var(--ink-soft); margin: 0.2rem 0 0 2rem; }

.opts { list-style: none; margin: 0.75rem 0 0; padding: 0; display: grid; gap: 0.4rem; }
.opt {
  display: flex; gap: 0.65rem; align-items: flex-start; cursor: pointer;
  padding: 0.6rem 0.7rem; border: 1px solid var(--line); border-radius: 8px;
  background: #fff;
}
.opt:hover { background: var(--accent-soft); }
.opt input { margin: 0.25rem 0 0; accent-color: var(--accent); width: 1.05rem; height: 1.05rem; flex: none; }
.opt.checked { border-color: var(--accent); background: var(--accent-soft); }

/* Likert row: horizontal on wide screens, stacked on phones */
.opts.scale { gap: 0.35rem; }
@media (min-width: 40rem) {
  .opts.scale { grid-template-columns: repeat(5, 1fr); }
  .opts.scale li { display: flex; }
  .opts.scale .opt {
    flex: 1; flex-direction: column; align-items: center; justify-content: flex-start;
    text-align: center; font-size: 0.8rem; gap: 0.4rem;
  }
}

input[type="text"] {
  font: inherit; padding: 0.6rem 0.7rem; border: 1px solid var(--line);
  border-radius: 8px; width: 100%; background: #fff; color: inherit;
}
input[type="text"]:focus-visible, .opt:focus-within { outline: 2px solid var(--accent); outline-offset: 1px; }
.other-field { margin: 0.45rem 0 0 1.7rem; max-width: 22rem; }

/* ---- code block ---- */
.codebox { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; margin-top: 1.4rem; }
.codebox h2 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.codebox p { margin: 0 0 0.8rem; color: var(--ink-soft); font-size: 0.9rem; }
.codebox input { max-width: 14rem; text-transform: uppercase; letter-spacing: 0.12em; font-weight: 600; }

/* ---- actions ---- */
.actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; }
button {
  font: inherit; font-weight: 600; cursor: pointer; border-radius: 8px;
  padding: 0.75rem 1.4rem; border: 1px solid transparent;
}
.primary { background: var(--accent); color: #fff; }
.primary:disabled { opacity: 0.6; cursor: progress; }
.secondary { background: transparent; color: var(--accent); border-color: var(--line); }
.status { font-size: 0.88rem; color: var(--warn); }

/* ---- done screen ---- */
.done { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.2rem 1.4rem; text-align: center; margin-top: 2rem; }
.done h2 { margin: 0 0 0.5rem; }
.done p { color: var(--ink-soft); margin: 0 auto; max-width: 30rem; }
.tick { font-size: 2.2rem; color: var(--accent); }

.foot { margin-top: 2.5rem; font-size: 0.8rem; color: var(--ink-soft); text-align: center; }
[hidden] { display: none !important; }