/* Coast FIRE Calculator — theme-specific styling.
   Layout uses Tailwind utility classes in the template; this file covers
   calculator-specific components and light/dark variable theming only. */

:root {
  --cfc-brand: #0d9488;
  --cfc-brand-dark: #0f766e;
  --cfc-ink: #0f172a;
  --cfc-muted: #64748b;
  --cfc-bg: #f8fafc;
  --cfc-card: #ffffff;
  --cfc-border: #e2e8f0;
  --cfc-line-a: #0d9488;
  --cfc-line-b: #94a3b8;
  --cfc-soft: #f0fdfa;
  --cfc-danger: #b91c1c;
}
html[data-theme-mode="dark"] {
  --cfc-ink: #e2e8f0;
  --cfc-muted: #94a3b8;
  --cfc-bg: #0f172a;
  --cfc-card: #1e293b;
  --cfc-border: #334155;
  --cfc-soft: #134e4a;
}

.cfc-hero {
  background:
    radial-gradient(1200px 420px at 50% -80px, rgba(13,148,136,0.14), transparent 70%),
    var(--cfc-bg);
  border-bottom: 1px solid var(--cfc-border);
}
.cfc-hero-grid {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 20px 56px;
}
.cfc-kicker {
  color: var(--cfc-brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 10px;
}
.cfc-hero-copy .cfc-lead {
  color: var(--cfc-muted);
  font-size: 17px;
  line-height: 1.6;
  max-width: 46em;
  margin: 0 0 12px;
}
.cfc-privacy {
  color: var(--cfc-muted);
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
}
.cfc-privacy::before {
  content: "🔒 ";
}

/* Calculator card */
.cfc-calc {
  margin-top: 28px;
  background: var(--cfc-card);
  border: 1px solid var(--cfc-border);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(15,23,42,0.08);
  padding: 22px;
}
.cfc-form {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.cfc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cfc-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--cfc-ink);
}
.cfc-field label .cfc-default {
  display: block;
  font-weight: 400;
  color: var(--cfc-muted);
  font-size: 11px;
}
.cfc-field input {
  width: 100%;
  border: 1px solid var(--cfc-border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--cfc-ink);
  background: var(--cfc-bg);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.cfc-field input:focus {
  border-color: var(--cfc-brand);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.18);
}
.cfc-form-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.cfc-primary {
  background: var(--cfc-brand);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}
.cfc-primary:hover { background: var(--cfc-brand-dark); }
.cfc-secondary {
  background: transparent;
  color: var(--cfc-ink);
  border: 1px solid var(--cfc-border);
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.cfc-secondary:hover { border-color: var(--cfc-brand); color: var(--cfc-brand); }

/* Results */
.cfc-results { margin-top: 22px; }
.cfc-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}
.cfc-card {
  background: var(--cfc-soft);
  border: 1px solid var(--cfc-border);
  border-radius: 12px;
  padding: 14px 16px;
}
.cfc-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--cfc-muted);
  margin-bottom: 6px;
}
.cfc-big {
  display: block;
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--cfc-brand);
  line-height: 1.1;
}
.cfc-mid {
  display: block;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cfc-ink);
  line-height: 1.15;
}
.cfc-sub {
  display: block;
  font-size: 12.5px;
  color: var(--cfc-muted);
  margin-top: 4px;
}
.cfc-bar-track {
  height: 12px;
  border-radius: 999px;
  background: var(--cfc-border);
  overflow: hidden;
  margin: 8px 0 6px;
}
.cfc-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cfc-brand), #14b8a6);
  transition: width 0.4s ease;
}
.cfc-card-chart { margin-top: 14px; }
.cfc-chart-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}
.cfc-legend { font-size: 12px; color: var(--cfc-muted); }
.cfc-chart {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 10px;
}
.cfc-chart .grid-line { stroke: var(--cfc-border); stroke-width: 1; }
.cfc-chart .axis-label { fill: var(--cfc-muted); font-size: 11px; }
.cfc-chart .line-a { fill: none; stroke: var(--cfc-line-a); stroke-width: 2.5; stroke-linejoin: round; }
.cfc-chart .line-b { fill: none; stroke: var(--cfc-line-b); stroke-width: 2; stroke-dasharray: 6 5; stroke-linejoin: round; }
.cfc-chart .area-a { fill: url(#cfcAreaGrad); opacity: 0.18; }
.cfc-card-share { margin-top: 14px; }
.cfc-share-row { display: flex; gap: 8px; }
.cfc-share-input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--cfc-border);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 13px;
  color: var(--cfc-ink);
  background: var(--cfc-bg);
}
.cfc-note { margin: 14px 0 0; font-size: 12.5px; color: var(--cfc-muted); }

/* Content sections */
.cfc-section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 20px;
}
.cfc-section + .cfc-section { border-top: 1px solid var(--cfc-border); }
.cfc-section.cfc-soft { background: var(--cfc-bg); border-top: 0; }
.cfc-section h2 {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--cfc-ink);
  margin: 0 0 8px;
}
.cfc-section .cfc-section-intro {
  color: var(--cfc-muted);
  font-size: 15.5px;
  line-height: 1.65;
  max-width: 62em;
  margin: 0 0 24px;
}
.cfc-formula {
  background: var(--cfc-soft);
  border: 1px solid var(--cfc-border);
  border-radius: 12px;
  padding: 18px 20px;
  font-size: 14.5px;
  color: var(--cfc-ink);
  line-height: 1.7;
  margin-bottom: 18px;
}
.cfc-formula code {
  background: rgba(13,148,136,0.12);
  color: var(--cfc-brand-dark);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 13.5px;
  white-space: nowrap;
}
.cfc-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.cfc-step {
  border: 1px solid var(--cfc-border);
  border-radius: 12px;
  padding: 16px;
  background: var(--cfc-card);
}
.cfc-step b {
  display: block;
  color: var(--cfc-brand);
  font-size: 13px;
  margin-bottom: 6px;
}
.cfc-step p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--cfc-ink); }
.cfc-table-wrap { overflow-x: auto; }
.cfc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  background: var(--cfc-card);
  border: 1px solid var(--cfc-border);
  border-radius: 12px;
  overflow: hidden;
}
.cfc-table th {
  background: var(--cfc-soft);
  color: var(--cfc-ink);
  text-align: left;
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 1px solid var(--cfc-border);
}
.cfc-table td {
  padding: 11px 16px;
  color: var(--cfc-ink);
  border-bottom: 1px solid var(--cfc-border);
}
.cfc-table tr:last-child td { border-bottom: 0; }
.cfc-table tr:nth-child(even) td { background: var(--cfc-bg); }
.cfc-table td.num, .cfc-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.cfc-table-fn {
  font-size: 12.5px;
  color: var(--cfc-muted);
  margin: 10px 0 0;
  line-height: 1.55;
}
.cfc-faq details {
  border: 1px solid var(--cfc-border);
  border-radius: 12px;
  background: var(--cfc-card);
  padding: 4px 18px;
  margin-bottom: 10px;
}
.cfc-faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--cfc-ink);
  padding: 12px 0;
  font-size: 15px;
  list-style: none;
}
.cfc-faq summary::-webkit-details-marker { display: none; }
.cfc-faq summary::after { content: "▾"; float: right; color: var(--cfc-muted); }
.cfc-faq details[open] summary::after { content: "▴"; }
.cfc-faq details p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--cfc-muted);
}
.cfc-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.cfc-related a {
  display: block;
  border: 1px solid var(--cfc-border);
  border-radius: 12px;
  padding: 14px 16px;
  text-decoration: none;
  background: var(--cfc-card);
  transition: border-color 0.15s ease;
}
.cfc-related a:hover { border-color: var(--cfc-brand); }
.cfc-related a strong { display: block; color: var(--cfc-ink); font-size: 14px; margin-bottom: 4px; }
.cfc-related a span { color: var(--cfc-muted); font-size: 12.5px; line-height: 1.5; }

@media (max-width: 900px) {
  .cfc-form { grid-template-columns: repeat(2, 1fr); }
  .cfc-result-grid { grid-template-columns: 1fr 1fr; }
  .cfc-steps { grid-template-columns: 1fr; }
  .cfc-related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .cfc-hero-grid { padding: 28px 16px 40px; }
  .cfc-calc { padding: 16px; }
  .cfc-result-grid { grid-template-columns: 1fr; }
  .cfc-related-grid { grid-template-columns: 1fr; }
  .cfc-hero-copy .cfc-lead { font-size: 15.5px; }
}

/* Single-purpose tool site: hide template auth/login and site-search chrome */
#zf-header-auth-desktop, #zf-header-auth-mobile, #searchToggle,
.zf-layout-header__actions form[role="search"], .header-search-panel { display: none !important; }