/* Savings Challenge Tracker — warm, mobile-first, no external assets */

:root {
  --bg: #fff8ee;
  --card: #ffffff;
  --ink: #3a3226;
  --ink-soft: #6b5f4c;
  --green: #2f7d4f;
  --green-dark: #256540;
  --green-pale: #e9f4ec;
  --coral: #e07856;
  --gold: #c99a2b;
  --border: #eadfc8;
  --radius: 16px;
  --shadow: 0 2px 12px rgba(90, 70, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ---------- header ---------- */
.site-header {
  background: var(--green);
  color: #fff;
  padding: 0.7rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  font-weight: 700;
  font-size: 1.05rem;
}

/* ---------- hero ---------- */
.hero { padding: 1.75rem 0 0.5rem; }
.hero h1 {
  font-size: 1.9rem;
  line-height: 1.2;
  margin: 0 0 0.75rem;
  color: var(--green-dark);
}
.lede { font-size: 1.1rem; }
.benefits {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: grid;
  gap: 0.4rem;
}
.benefits li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.55rem 0.8rem;
  font-size: 0.95rem;
  box-shadow: var(--shadow);
}

/* ---------- tool card ---------- */
.tool {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1rem;
  margin: 1rem 0 1.5rem;
}
.tool h2 { margin: 0 0 1rem; font-size: 1.35rem; color: var(--green-dark); }

.challenge-picker {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}
.pick {
  border: 2px solid var(--border);
  background: #fffdf8;
  border-radius: 12px;
  padding: 0.7rem 0.5rem;
  cursor: pointer;
  font: inherit;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  transition: border-color 0.15s, background 0.15s;
  min-height: 64px;
  justify-content: center;
}
.pick-name { font-weight: 700; font-size: 0.95rem; }
.pick-sub { font-size: 0.8rem; color: var(--ink-soft); }
.pick[aria-pressed="true"] {
  border-color: var(--green);
  background: var(--green-pale);
}
.pick:active { transform: scale(0.98); }

/* ---------- custom form ---------- */
.custom-form {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1.25rem;
  background: #fffdf8;
}
.custom-form h3 { margin: 0 0 0.75rem; font-size: 1.05rem; }
.custom-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.custom-fields label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
  font-weight: 600;
}
.custom-fields input {
  font: inherit;
  padding: 0.55rem 0.6rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  width: 100%;
}
.custom-fields input:focus {
  outline: none;
  border-color: var(--green);
}
.custom-hint { font-size: 0.85rem; color: var(--ink-soft); margin: 0.25rem 0 0.75rem; }

/* ---------- stats & progress ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}
.stat {
  background: var(--green-pale);
  border-radius: 12px;
  padding: 0.6rem 0.4rem;
  text-align: center;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}
.stat-value {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--green-dark);
}
.progress {
  height: 14px;
  background: #f0e7d2;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 0.35rem;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--green), #4da36c);
  border-radius: 999px;
  transition: width 0.3s ease;
}
.progress-text { margin: 0 0 1rem; font-size: 0.95rem; color: var(--ink-soft); }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  background: var(--coral);
  color: #fff;
  font: inherit;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  padding: 0.7rem 1.2rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
.btn:active { transform: scale(0.98); }
.btn-secondary { background: var(--green); }
.btn-danger { background: #fff; color: #b3402e; border: 2px solid #e5b3a8; }
.btn-large { font-size: 1.1rem; padding: 0.9rem 1.6rem; }

.tool-actions {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.tool-actions .btn { flex: 1 1 140px; font-size: 0.95rem; }

/* ---------- grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(58px, 1fr));
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}
.cell {
  aspect-ratio: 1;
  border: 2px solid var(--border);
  background: #fffdf8;
  border-radius: 10px;
  font: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  position: relative;
}
.cell:active { transform: scale(0.94); }
.cell.checked {
  background: var(--green);
  border-color: var(--green-dark);
  color: #fff;
}
.cell.checked::after {
  content: "✓";
  position: absolute;
  top: 1px;
  right: 4px;
  font-size: 0.65rem;
  opacity: 0.9;
}

/* ---------- CTA boxes ---------- */
.cta-box {
  background: #fdf3e3;
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  text-align: center;
}
.cta-box p { margin: 0 0 0.8rem; }

/* ---------- content sections ---------- */
.how, .faq, .cta-final { margin: 0 0 1.75rem; }
.how h2, .faq h2, .cta-final h2 { color: var(--green-dark); font-size: 1.35rem; }

.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 0.6rem;
  box-shadow: var(--shadow);
}
.faq summary {
  padding: 0.8rem 1rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "＋ "; color: var(--green); }
.faq details[open] summary::before { content: "－ "; }
.faq details p { padding: 0 1rem 0.9rem; margin: 0; }

.cta-final {
  background: var(--green);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  text-align: center;
}
.cta-final h2 { color: #fff; margin-top: 0; }
.cta-final p { opacity: 0.95; }
.cta-final .btn { background: #fff; color: var(--green-dark); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0 2rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-align: center;
}
.site-footer a { color: var(--green-dark); }

.print-header { display: none; }

/* ---------- larger screens ---------- */
@media (min-width: 600px) {
  .hero h1 { font-size: 2.4rem; }
  .challenge-picker { grid-template-columns: repeat(4, 1fr); }
  .tool { padding: 1.75rem 1.5rem; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(66px, 1fr)); }
}

/* ---------- print ---------- */
@media print {
  .site-header, .hero, .challenge-picker, .custom-form,
  .tool-actions, .cta-box, .how, .faq, .cta-final, .site-footer,
  .tool > h2 {
    display: none !important;
  }
  body { background: #fff; }
  .wrap { max-width: none; }
  .tool {
    border: none;
    box-shadow: none;
    padding: 0;
    margin: 0;
  }
  .print-header { display: block; margin-bottom: 0.75rem; }
  .print-header h2 { margin: 0; font-size: 1.4rem; }
  .print-header p { margin: 0.15rem 0 0; color: #555; font-size: 0.9rem; }
  .stats { margin-bottom: 0.6rem; }
  .stat { border: 1px solid #999; background: #fff; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .progress { border: 1px solid #999; }
  .grid { grid-template-columns: repeat(10, 1fr); gap: 4px; }
  .cell {
    border: 1px solid #777;
    border-radius: 4px;
    font-size: 0.7rem;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .cell.checked::after { top: 0; right: 2px; }
  .progress-text { margin-bottom: 0.5rem; }
}