@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,400&display=swap');

:root {
  --green: #1D9E75;
  --green-dark: #0F6E56;
  --green-light: #E1F5EE;
  --green-mid: #5DCAA5;
  --bg: #F7F9F8;
  --surface: #FFFFFF;
  --card: #FFFFFF;
  --border: #E4EAE7;
  --text: #1A1F1C;
  --muted: #6B7A72;
  --accent: #FF6B35;
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HEADER */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  background: var(--green);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo span { color: var(--green); }

.header-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}

.header-nav a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}

.header-nav a:hover { background: var(--bg); color: var(--text); }
.header-nav a.active { color: var(--green); font-weight: 500; }

.header-tools-btn {
  font-size: 13px;
  background: var(--green);
  color: white;
  border: none;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  text-decoration: none;
}

/* AD BANNER */
.ad-banner {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 8px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

.ad-box {
  background: #F0F0F0;
  border: 1px dashed #CCC;
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
  font-size: 12px;
  color: #999;
  margin: 16px 0;
}

/* LAYOUT */
.page-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  align-items: start;
}

/* BREADCRUMB */
.breadcrumb {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.breadcrumb a { color: var(--green); text-decoration: none; }
.breadcrumb span { color: var(--muted); }

/* TOOL HEADER */
.tool-header { margin-bottom: 28px; }
.tool-header h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 8px;
}
.tool-header h1 span { color: var(--green); }
.tool-header p { font-size: 14px; color: var(--muted); max-width: 520px; }

/* CARDS */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card-title {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 20px;
}

/* FORM */
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-wrap { position: relative; }
.input-pre {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 15px;
  pointer-events: none;
  z-index: 1;
}
.input-suf {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 13px;
  pointer-events: none;
}

input[type=number],
input[type=text],
input[type=date],
select,
textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: 15px;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 0.15s;
  appearance: none;
  -webkit-appearance: none;
}

input:focus, select:focus, textarea:focus { border-color: var(--green); background: white; }
.has-pre input { padding-left: 28px; }
.has-suf input, .has-suf select { padding-right: 34px; }

/* SLAB BUTTONS */
.slab-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.slab-btn {
  padding: 10px 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  transition: all 0.15s;
}
.slab-btn.active { background: var(--green); color: white; border-color: var(--green); }
.slab-btn:hover:not(.active) { border-color: var(--green); color: var(--green); }

/* TOGGLE */
.toggle-row { display: flex; gap: 8px; margin-bottom: 16px; }
.toggle-btn {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: 13px;
  cursor: pointer;
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  transition: all 0.15s;
  font-weight: 400;
}
.toggle-btn.active { background: var(--green-light); color: var(--green-dark); border-color: var(--green); font-weight: 500; }

/* BUTTON */
.btn {
  width: 100%;
  padding: 14px;
  background: var(--green);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  font-family: 'Syne', sans-serif;
  letter-spacing: 0.3px;
  transition: all 0.15s;
  margin-top: 4px;
}
.btn:hover { background: var(--green-dark); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
  margin-top: 8px;
}
.btn-secondary:hover { background: var(--green-light); }

/* RESULTS */
.result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 20px;
}

.result-hero {
  background: var(--green);
  padding: 24px;
  text-align: center;
}
.result-hero-label { font-size: 12px; color: rgba(255,255,255,0.75); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.result-hero-value { font-family: 'Syne', sans-serif; font-size: 38px; font-weight: 800; color: white; }

.result-rows { padding: 4px 0; }
.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.result-row:last-child { border-bottom: none; }
.result-key { color: var(--muted); }
.result-val { font-weight: 500; }
.result-val.green { color: var(--green); }
.result-val.red { color: #E24B4A; }
.result-val.amber { color: #BA7517; }

/* SIDEBAR */
.sidebar { display: flex; flex-direction: column; gap: 16px; }

.quick-links {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.quick-links-title {
  background: var(--green);
  color: white;
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 16px;
}
.quick-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  transition: background 0.1s;
}
.quick-link:last-child { border-bottom: none; }
.quick-link:hover { background: var(--bg); }
.quick-link-icon { font-size: 16px; }
.quick-link-arrow { color: var(--muted); font-size: 12px; }

/* INFO BOX */
.info-box {
  background: var(--green-light);
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--green-dark);
  margin: 16px 0;
}

/* TABLE */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-top: 16px;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { background: var(--bg); padding: 11px 14px; text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; border-bottom: 1px solid var(--border); text-transform: uppercase; letter-spacing: 0.5px; }
td { padding: 11px 14px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg); }

/* FOOTER */
.site-footer {
  background: var(--text);
  color: rgba(255,255,255,0.6);
  padding: 40px 24px;
  margin-top: 60px;
}
.footer-inner { max-width: 900px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.footer-logo { font-family: 'Syne', sans-serif; font-size: 18px; font-weight: 800; color: white; margin-bottom: 8px; }
.footer-logo span { color: var(--green-mid); }
.footer-desc { font-size: 13px; line-height: 1.6; }
.footer-col-title { font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: 1px; color: white; margin-bottom: 12px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 13px; transition: color 0.1s; }
.footer-links a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; display: flex; justify-content: space-between; font-size: 12px; }
.footer-bottom a { color: rgba(255,255,255,0.4); text-decoration: none; }

/* SEO CONTENT */
.seo-section { margin-top: 40px; }
.seo-section h2 { font-family: 'Syne', sans-serif; font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.seo-section p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 12px; }
.faq-item { border-bottom: 1px solid var(--border); padding: 16px 0; cursor: pointer; }
.faq-q { font-weight: 500; font-size: 14px; display: flex; justify-content: space-between; }
.faq-a { font-size: 13px; color: var(--muted); margin-top: 8px; line-height: 1.6; display: none; }
.faq-a.open { display: block; }

/* MOBILE */
@media (max-width: 700px) {
  .two-col { grid-template-columns: 1fr; }
  .sidebar { order: -1; }
  .page-wrap { padding: 16px 12px 60px; }
  .tool-header h1 { font-size: 22px; }
  .result-hero-value { font-size: 26px; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .header-nav { display: none; }
  .slab-grid { grid-template-columns: repeat(5,1fr); }
  .card { padding: 16px; }
  .site-header { padding: 0 12px; }
}
@media (max-width: 420px) {
  .slab-grid { grid-template-columns: repeat(3,1fr); }
  .toggle-row { flex-direction: column; }
  .result-hero-value { font-size: 22px; }
}