:root {
  --bg: #f4f1ea;
  --card: #fffdf8;
  --ink: #2c2a26;
  --muted: #6f6a60;
  --line: #e4ded2;
  --accent: #3f7a6d;
  --accent-ink: #ffffff;
  --accent-soft: #e8f0ed;
  --danger: #b5654a;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 30px rgba(40,36,28,.07);
  --frame: #21302b;
  --frame-ink: #eef3f1;
  --frame-muted: #9db3ab;
  --accent-light: #6fb3a1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.wrap { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* top bar */
.topbar { position: sticky; top: 0; z-index: 10; background: var(--frame); border-bottom: 1px solid rgba(255,255,255,.08); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--frame-ink); }
.brand-mark { width: 22px; height: 22px; color: var(--accent-light); flex: none; }
.brand-name { font-weight: 700; letter-spacing: -.01em; }
.topnav { display: flex; align-items: center; gap: 16px; }
.topnav a { color: var(--frame-muted); text-decoration: none; font-size: .92rem; }
.topnav a:hover { color: var(--frame-ink); }
.badge { font-size: .68rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--accent-light); border: 1px solid var(--accent-light); border-radius: 999px; padding: 2px 8px; }

/* page + hero */
.page { flex: 1; width: 100%; display: flex; flex-direction: column; align-items: center; padding: 34px 16px 52px; }
.hero { width: 100%; max-width: 620px; text-align: center; margin-bottom: 22px; }
.hero h1 { margin: 0 0 8px; font-size: 1.9rem; line-height: 1.22; letter-spacing: -.02em; }
.hero p { margin: 0 auto; max-width: 30rem; color: var(--muted); font-size: 1.02rem; }

.card {
  width: 100%;
  max-width: 620px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 26px 24px;
}

/* footer */
.footer { background: var(--frame); color: var(--frame-muted); margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 28px; padding-top: 40px; padding-bottom: 28px; }
.footer-brand .brand-row { display: inline-flex; align-items: center; gap: 9px; color: var(--frame-ink); margin-bottom: 10px; }
.footer-brand p { margin: 0; font-size: .9rem; line-height: 1.55; max-width: 38ch; }
.footer-col h4 { color: var(--frame-ink); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 12px; }
.footer-col a { display: block; color: var(--frame-muted); text-decoration: none; font-size: .92rem; padding: 4px 0; }
.footer-col a:hover { color: var(--accent-light); }
.footer-steps { margin: 0; font-size: .92rem; line-height: 1.95; }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.08); padding-top: 16px; padding-bottom: 24px; font-size: .8rem; }

/* progress */
.progress { display: flex; gap: 8px; justify-content: center; margin-bottom: 22px; }
.dot { width: 28px; height: 4px; border-radius: 4px; background: var(--line); transition: background .2s; }
.dot.done { background: var(--accent); }
.dot.current { background: var(--accent); opacity: .55; }
button.dot { -webkit-appearance: none; appearance: none; border: 0; padding: 0; margin: 0; }
.dot-nav { cursor: pointer; }
.step-count { color: var(--muted); font-size: .78rem; text-align: center; margin: -14px 0 14px; }

.step-title { font-size: 1.35rem; margin: 0 0 4px; letter-spacing: -.01em; }
.step-note { color: var(--muted); margin: 0 0 18px; font-size: .92rem; }

.question { margin-bottom: 22px; }
.q-label { font-weight: 600; margin-bottom: 4px; }
.q-help { color: var(--muted); font-size: .85rem; margin-bottom: 10px; }

.options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  grid-auto-rows: 1fr;   /* every button matches the tallest one */
  gap: 8px;
}
.opt {
  font: inherit;
  text-align: left;
  display: flex;
  align-items: center;   /* center label vertically when heights are equalized */
  min-height: 48px;      /* comfortable tap target */
  padding: 11px 13px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  cursor: pointer;
  color: var(--ink);
  transition: border-color .15s, background .15s, transform .05s;
}
.opt:hover { border-color: var(--accent); }
.opt:active { transform: translateY(1px); }
.opt.selected { border-color: var(--accent); background: var(--accent-soft); font-weight: 600; }

textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;   /* >=16px stops iOS Safari from zooming on focus */
  color: var(--ink);
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  resize: vertical;
  min-height: 70px;
  background: #fff;
}
textarea:focus { outline: none; border-color: var(--accent); }
.charcount { text-align: right; color: var(--muted); font-size: .78rem; margin-top: 4px; }

/* nav */
.nav { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; gap: 10px; }
.btn {
  font: inherit;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--ink); border-color: transparent; }

/* loading */
.loading { text-align: center; padding: 30px 0; }
.spinner {
  width: 34px; height: 34px; margin: 0 auto 16px;
  border: 3px solid var(--line); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading p { color: var(--muted); }

/* result */
.result-title { font-size: 1.2rem; margin: 0 0 12px; }
.apology {
  white-space: pre-wrap;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  font-size: 1.06rem;
  line-height: 1.6;
}
.tip { color: var(--muted); font-size: .85rem; margin: 12px 2px 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
  font: inherit; font-size: .85rem; padding: 7px 12px;
  border: 1px solid var(--line); background: #fff; border-radius: 999px; cursor: pointer; color: var(--muted);
}
.chip:hover { border-color: var(--accent); color: var(--ink); }
.result-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.error { color: var(--danger); background: #fbeee9; border: 1px solid #f0d8cf; padding: 14px; border-radius: 10px; }
.copied { color: var(--accent); font-size: .85rem; align-self: center; }

/* Home / tool picker */
.home-q { font-size: 1.25rem; margin: 0 0 16px; }
.tools { display: grid; gap: 10px; }
.tool-card {
  font: inherit;
  text-align: left;
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .05s;
}
.tool-card:hover { border-color: var(--accent); background: var(--accent-soft); }
.tool-card:active { transform: translateY(1px); }
.tool-card h3 { margin: 0 0 4px; font-size: 1.05rem; color: var(--ink); }
.tool-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.home-soon { color: var(--muted); font-size: .82rem; margin: 18px 2px 0; line-height: 1.5; }
.tools { width: 100%; max-width: 620px; }
a.tool-card { display: block; text-decoration: none; }
.related-guide { text-align: center; margin: 14px 0 0; }
.related-guide a { color: var(--accent); text-decoration: none; font-size: .92rem; }
.guide-list { margin: 0; padding-left: 18px; }
.guide-list li { margin: 8px 0; line-height: 1.5; }
.guide-list a { color: var(--accent); }

/* Content pages (About, Privacy, …) */
.back-link { padding-left: 4px; margin-bottom: 6px; }
.page-title { font-size: 1.4rem; margin: 4px 0 14px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.page-body { font-size: .97rem; line-height: 1.65; color: var(--ink); }
.page-body p { margin: 0 0 12px; }
.page-body h3 { font-size: 1.02rem; margin: 16px 0 4px; }
.page-body ol, .page-body ul { margin: 0 0 12px; padding-left: 20px; }
.page-body li { margin: 5px 0; }
.page-body a { color: var(--accent); }
.page-cta { margin-top: 20px; }

/* Mobile / narrow screens */
@media (max-width: 480px) {
  .topbar-inner { height: 52px; }
  .page { padding: 24px 12px 40px; }
  .hero h1 { font-size: 1.5rem; }
  .hero p { font-size: .95rem; }
  .card { padding: 20px 15px 18px; }
  .step-title { font-size: 1.2rem; }
  .home-q { font-size: 1.15rem; }
  .options { grid-template-columns: 1fr; }   /* one full-width column */
  .opt { min-height: 50px; }
  .nav .btn { flex: 1; }                      /* full-width, easy-to-tap nav */
  .result-actions { flex-wrap: wrap; }
  .result-actions .btn { flex: 1 1 auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; padding-top: 30px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
}