*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg: #eef6f2;
  --color-surface: #ffffff;
  --color-border: #d1e8df;
  --color-text: #1a2e25;
  --color-muted: #4e6a5c;
  --color-accent: #227a5c;
  --color-accent-dark: #176b4b;
  --color-accent-light: #e8f5ef;
  --color-result-bg: #e8f5ef;
  --color-result-border: #6fcba8;
  --color-positive-bg: #e8f5ef;
  --color-positive-border: #227a5c;
  --color-caution-bg: #fff8e6;
  --color-caution-border: #9b6d00;
  --color-negative-bg: #fdecea;
  --color-negative-border: #a93226;
  --color-pending-bg: #f1f4f3;
  --color-pending-border: #b8c8c2;
  --radius: 10px;
  --shadow: 0 4px 16px rgba(45,157,120,.10), 0 1px 4px rgba(0,0,0,.06);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(135deg, #e8f5ef 0%, #f0f7f4 50%, #fdf8ee 100%);
  min-height: 100vh;
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--color-accent); }

/* Layout */
.site-header { background: var(--color-surface); border-bottom: 1px solid var(--color-border); padding: 14px 20px; box-shadow: 0 1px 4px rgba(45,157,120,.08); }
.site-header .site-brand { font-size:1rem; font-weight:700; color:var(--color-accent); }
.site-header .site-brand a { color:inherit; text-decoration:none; }

.page-intro { margin:44px 0 24px; }
.page-intro h1 { margin:0 0 10px; font-size:clamp(1.7rem, 5vw, 2.2rem); line-height:1.2; letter-spacing:-0.02em; }
.page-intro p { margin:0; color:var(--color-muted); font-size:1rem; line-height:1.65; }
.container { max-width: 680px; margin: 0 auto; padding: 0 16px; }

main { padding: 24px 0 48px; }

/* Payment-cost recovery result summary */
#result-banner {
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 20px;
  border: 2px solid var(--color-pending-border);
  background: var(--color-pending-bg);
  transition: background-color .2s, border-color .2s;
}
#result-banner[data-status="positive"] { background: var(--color-positive-bg); border-color: var(--color-positive-border); }
#result-banner[data-status="caution"] { background: var(--color-caution-bg); border-color: var(--color-caution-border); }
#result-banner[data-status="negative"] { background: var(--color-negative-bg); border-color: var(--color-negative-border); }
#result-banner[data-status="pending"] { background: var(--color-pending-bg); border-color: var(--color-pending-border); }

#result-line {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 6px 0;
  color: var(--color-text);
}
.result-reason {
  font-size: .95rem;
  color: var(--color-muted);
  margin: 0;
}

/* Ad slot — placeholder styling matches sibling site */
.ad-slot {
  background: var(--color-border);
  border-radius: var(--radius);
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: .85rem;
  margin: 20px 0;
}
.ad-placeholder { margin: 0; font-style: italic; }

/* Calculator card */
.calc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 500; font-size: .9rem; margin-bottom: 6px; }
.field .hint { font-size: .8rem; color: var(--color-muted); margin-top: 4px; }

.input-wrap { position: relative; }
.input-prefix { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--color-muted); font-weight: 500; pointer-events: none; }

input[type="number"] {
  width: 100%;
  padding: 10px 12px 10px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  -moz-appearance: textfield;
}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }
input[type="number"]:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(45,157,120,.15); }

/* Output */
#output {
  background: var(--color-result-bg);
  border: 1px solid var(--color-result-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 8px;
  transition: opacity .15s;
}
#output[aria-hidden="true"] { display: none; }

.result-label { font-size: .85rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }

#result-breakdown { list-style: none; display: flex; flex-direction: column; gap: 6px; font-size: .95rem; color: var(--color-muted); }
#result-breakdown strong { color: var(--color-text); }

/* Sections below fold */
.section { margin-top: 36px; }
.section h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }
.how-it-works { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.how-it-works li { display: flex; gap: 12px; font-size: .95rem; }
.how-it-works .step-num { font-weight: 700; color: var(--color-accent); min-width: 20px; }
.note { font-size: .85rem; color: var(--color-muted); margin-top: 12px; }

.faq { display: flex; flex-direction: column; gap: 20px; }
.faq-item dt { font-weight: 600; margin-bottom: 4px; }
.faq-item dd { color: var(--color-muted); font-size: .95rem; }

.disclaimer {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: .85rem;
  color: var(--color-muted);
}
.disclaimer strong { color: var(--color-text); }

/* Footer */
.site-footer { border-top: 1px solid var(--color-border); padding: 20px; text-align: center; font-size: .85rem; color: var(--color-muted); margin-top: 48px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 14px 18px; justify-content: center; margin-bottom: 10px; }
.footer-nav a { color: var(--color-accent); text-decoration: none; font-weight: 500; }
.footer-nav a:hover { text-decoration: underline; }

@media (max-width: 480px) {
  #result-line { font-size: 1.15rem; }
  .calc-card { padding: 16px; }
}