@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@400;500;600&display=swap');

:root {
  --paper: #F2F1ED;
  --card: #FBFAF7;
  --ink: #1C1B18;
  --muted: #918C7E;
  --hair: #DAD7CD;
  --accent: #2F6F62;        /* ink-teal — split / tension only */
  --accent-soft: rgba(47,111,98,0.10);
  --serif: 'Instrument Serif', Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, system-ui, sans-serif;
  display: flex;
  justify-content: center;
  padding: 32px 20px 56px;
  -webkit-font-smoothing: antialiased;
}

#app { width: 100%; max-width: 440px; }

button { font-family: inherit; cursor: pointer; }

@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.rise { animation: rise .5s cubic-bezier(.2,.7,.2,1) both; }

.opt:hover { border-color: var(--ink) !important; }
.opt:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  .rise, [class*="dot"] { animation: none !important; }
  .spread-dot { transition: none !important; opacity: 1 !important; transform: none !important; }
}

/* ── reusable atoms ─────────────────────────────────────────── */
.wordmark { font-family: var(--serif); letter-spacing: -0.01em; }
.wordmark em { font-style: italic; color: var(--accent); }

.eyebrow {
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); font-weight: 500;
}

.tm-input {
  width: 100%; background: var(--card); border: 1px solid var(--hair);
  border-radius: 14px; padding: 16px 18px; font-size: 17px;
  color: var(--ink); font-family: inherit; outline: none;
}
.tm-input:focus { border-color: var(--ink); }

.btn-primary {
  border: none; border-radius: 999px; padding: 15px 28px;
  font-size: 15px; font-weight: 500; background: var(--ink); color: var(--card);
  transition: background .2s ease;
}
.btn-primary:disabled { background: var(--hair); color: var(--muted); cursor: not-allowed; }

.btn-accent {
  width: 100%; background: var(--accent); color: #fff; border: none;
  border-radius: 999px; padding: 13px; font-size: 14px; font-weight: 500;
}
.btn-accent:disabled { opacity: .6; cursor: default; }

.link-quiet {
  background: none; border: none; color: var(--muted); font-size: 13px;
  text-decoration: underline; text-underline-offset: 3px;
}

.opt {
  display: block; width: 100%; text-align: left; background: var(--card);
  border: 1px solid var(--hair); border-radius: 16px; padding: 20px 22px;
  font-size: 17px; line-height: 1.35; color: var(--ink); margin-bottom: 12px;
  transition: border-color .15s ease;
}

.spread-dot {
  width: 13px; height: 13px; border-radius: 50%; display: inline-block;
  transition: opacity .4s ease, transform .4s cubic-bezier(.2,.8,.2,1);
}

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(8px);
  background: var(--ink); color: var(--card); font-size: 13px; font-weight: 500;
  padding: 10px 16px; border-radius: 999px; opacity: 0; pointer-events: none;
  transition: opacity .2s ease, transform .2s ease; z-index: 50;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }