:root {
  --green-900: #2d3620;
  --green-800: #495436;
  --green-700: #5a6943;
  --green-600: #739669;
  --green-500: #8aaa7a;
  --green-400: #a1bd66;
  --green-300: #b8cc8a;
  --green-200: #d4e4b0;
  --green-100: #edf5e0;
  --green-50:  #f5faf0;
  --text-dark:   #1a1a15;
  --text-medium: #44443a;
  --text-light:  #6b6b60;
  --border: #d8d8cc;
  --white: #ffffff;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-dark);
  background: var(--green-50);
}

/* ── HEADER ── */
header {
  background: var(--green-800);
  color: white;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 64px;
}
.header-logo {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: white;
  padding: 3px;
  flex-shrink: 0;
}
.header-title { flex: 1; }
.header-title h1 { font-size: 1.15rem; font-weight: 700; letter-spacing: .02em; line-height: 1.2; }
.header-title span { font-size: .72rem; opacity: .8; font-weight: 400; letter-spacing: .05em; text-transform: uppercase; }

nav { display: flex; gap: .25rem; }
nav a {
  color: rgba(255,255,255,.8);
  text-decoration: none;
  padding: .4rem .75rem;
  border-radius: 4px;
  font-size: .83rem;
  transition: all .15s;
  white-space: nowrap;
}
nav a:hover, nav a.active {
  color: white;
  background: rgba(255,255,255,.15);
}

/* Breadcrumb */
.breadcrumb { background: var(--green-700); padding: .45rem 1.5rem; }
.breadcrumb-inner { max-width: 1200px; margin: 0 auto; font-size: .78rem; color: rgba(255,255,255,.8); }
.breadcrumb a { color: rgba(255,255,255,.8); text-decoration: none; }
.breadcrumb a:hover { color: white; }

/* ── LAYOUT ── */
.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

.page-title { margin-bottom: 1.25rem; }
.page-title h2 { font-size: 1.4rem; font-weight: 700; color: var(--green-800); margin-bottom: .2rem; }
.page-title p  { color: var(--text-light); font-size: .88rem; }

/* Two-column calculator layout */
.calc-grid {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 780px) { .calc-grid { grid-template-columns: 1fr; } }

/* ── CARDS ── */
.card { background: white; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,.08); overflow: hidden; }
.card-header {
  background: var(--green-600);
  color: white;
  padding: .65rem 1rem;
  font-weight: 700;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.card-header.dark { background: var(--green-800); }
.card-body { padding: 1rem; }

/* ── INPUTS ── */
.input-group { margin-bottom: .8rem; }
.input-group label {
  display: block;
  font-size: .72rem;
  font-weight: 700;
  color: var(--text-medium);
  margin-bottom: .28rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.input-wrapper {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--border);
  border-radius: 5px;
  overflow: hidden;
  transition: border-color .15s;
}
.input-wrapper:focus-within {
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(115,150,105,.12);
}
.input-prefix, .input-suffix {
  background: var(--green-100);
  color: var(--green-700);
  padding: .48rem .6rem;
  font-size: .85rem;
  font-weight: 700;
  user-select: none;
  flex-shrink: 0;
}
.input-wrapper input,
.input-wrapper select {
  flex: 1;
  border: none;
  padding: .48rem .6rem;
  font-size: .9rem;
  font-family: inherit;
  color: var(--text-dark);
  background: white;
  outline: none;
  min-width: 0;
}
.input-wrapper input[type=number] { -moz-appearance: textfield; }
.input-wrapper input::-webkit-inner-spin-button,
.input-wrapper input::-webkit-outer-spin-button { opacity: 1; }

.input-row { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }

.section-divider { border: none; border-top: 1px solid var(--green-100); margin: .75rem 0; }
.section-label {
  font-size: .68rem; font-weight: 700; color: var(--green-600);
  text-transform: uppercase; letter-spacing: .08em; margin-bottom: .45rem;
}

/* ── BUTTONS ── */
.btn-primary {
  width: 100%;
  background: var(--green-600);
  color: white;
  border: none;
  padding: .7rem;
  font-size: .92rem;
  font-weight: 700;
  font-family: inherit;
  border-radius: 5px;
  cursor: pointer;
  transition: background .15s;
  margin-top: .5rem;
  letter-spacing: .02em;
}
.btn-primary:hover { background: var(--green-800); }

.btn-secondary {
  background: var(--green-100);
  color: var(--green-700);
  border: 1.5px solid var(--green-300);
  padding: .38rem .85rem;
  font-size: .8rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: 4px;
  cursor: pointer;
  transition: all .15s;
}
.btn-secondary:hover { background: var(--green-200); }

.btn-print {
  background: var(--green-600);
  color: white;
  border: none;
  padding: .62rem 1.4rem;
  font-size: .88rem;
  font-weight: 700;
  font-family: inherit;
  border-radius: 5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  transition: background .15s;
}
.btn-print:hover { background: var(--green-800); }

/* ── RESULTS ── */
.result-hero {
  background: linear-gradient(135deg, var(--green-800), var(--green-600));
  color: white;
  padding: 1.1rem 1rem;
  border-radius: 6px;
  text-align: center;
  margin-bottom: .9rem;
}
.result-hero .r-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; opacity: .85; }
.result-hero .r-value { font-size: 2rem; font-weight: 700; letter-spacing: -.02em; margin: .1rem 0; }
.result-hero .r-sub   { font-size: .78rem; opacity: .8; }

.results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-bottom: .9rem; }
.result-item { background: var(--green-50); border: 1px solid var(--green-200); border-radius: 5px; padding: .55rem .7rem; }
.result-item .r-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-light); margin-bottom: .1rem; }
.result-item .r-value { font-size: .97rem; font-weight: 700; color: var(--green-800); }

/* Comparison table */
.cmp-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
.cmp-table th {
  background: var(--green-100); color: var(--green-800);
  padding: .42rem .7rem; text-align: left; font-weight: 700;
  font-size: .7rem; text-transform: uppercase; letter-spacing: .04em;
}
.cmp-table th:last-child { text-align: right; }
.cmp-table td { padding: .4rem .7rem; border-bottom: 1px solid var(--green-100); }
.cmp-table td:last-child { text-align: right; font-weight: 600; color: var(--green-700); }
.cmp-table tr.current td { font-weight: 700; color: var(--green-800); }
.cmp-table tr:hover td { background: var(--green-50); }

/* ── CHART ── */
.chart-card { margin-top: 1.25rem; }
.chart-container { position: relative; height: 260px; padding: .75rem 1rem 1rem; }

/* ── SCHEDULE ── */
.schedule-card { margin-top: 1.25rem; }
.schedule-controls {
  display: flex; align-items: center; gap: .75rem; padding: .75rem 1rem;
  border-bottom: 1px solid var(--green-100);
}
.schedule-count { font-size: .78rem; color: var(--text-light); margin-left: auto; }

.schedule-wrapper {
  max-height: 420px; overflow-y: auto;
  overflow-x: auto;
}
.schedule-table { width: 100%; border-collapse: collapse; font-size: .8rem; }
.schedule-table thead th {
  background: var(--green-800); color: white;
  padding: .45rem .7rem; text-align: right;
  font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  position: sticky; top: 0; z-index: 2;
}
.schedule-table thead th:first-child,
.schedule-table thead th:nth-child(2) { text-align: left; }
.schedule-table tbody td { padding: .38rem .7rem; text-align: right; border-bottom: 1px solid var(--green-50); }
.schedule-table tbody td:first-child,
.schedule-table tbody td:nth-child(2) { text-align: left; }
.schedule-table tbody tr:nth-child(even) td { background: var(--green-50); }
.schedule-table tbody tr:hover td { background: var(--green-100); }
.schedule-table tbody tr.yr td { background: var(--green-200) !important; font-weight: 700; color: var(--green-900); }

/* ── PRINT BAR ── */
.print-bar {
  margin-top: 1.25rem; padding: .9rem 1.25rem;
  background: white; border-radius: 8px;
  display: flex; align-items: center; justify-content: space-between;
  box-shadow: 0 1px 3px rgba(0,0,0,.07);
}
.print-note { font-size: .78rem; color: var(--text-light); }

/* ── INDEX PAGE ── */
.hero {
  background: linear-gradient(135deg, var(--green-800), var(--green-600));
  color: white; padding: 2.5rem 1.5rem;
}
.hero-inner { max-width: 1200px; margin: 0 auto; }
.hero h2 { font-size: 1.7rem; font-weight: 700; margin-bottom: .5rem; }
.hero p  { font-size: .95rem; opacity: .88; max-width: 640px; line-height: 1.6; }

.toc-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; margin-top: 1.5rem; }
@media (max-width: 900px) { .toc-grid { grid-template-columns: 1fr; } }

.toc-col { background: white; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.toc-col-header {
  background: var(--green-800); color: white;
  padding: .65rem 1rem; font-weight: 700; font-size: .82rem;
  text-transform: uppercase; letter-spacing: .07em;
}
.toc-item {
  display: block; padding: .6rem 1rem;
  border-bottom: 1px solid var(--green-50);
  text-decoration: none; color: var(--text-dark);
  transition: background .1s;
  position: relative;
}
a.toc-item:hover { background: var(--green-50); }
.toc-item.dim { opacity: .45; cursor: default; }
.item-name { font-size: .84rem; font-weight: 500; }
a.toc-item .item-name { font-weight: 600; color: var(--green-700); }
.item-desc { font-size: .73rem; color: var(--text-light); line-height: 1.3; margin-top: .05rem; }
a.toc-item .item-desc { color: var(--green-600); }
.badge {
  float: right; font-size: .62rem; font-weight: 700;
  padding: .1rem .4rem; border-radius: 3px;
  text-transform: uppercase; letter-spacing: .05em;
}
.badge.live { background: var(--green-400); color: white; }
.badge.soon { background: var(--green-200); color: var(--green-700); }

/* ── SOLVE TABS (Loan Calculator) ── */
.solve-tabs { display: flex; gap: .25rem; flex-wrap: wrap; }
.solve-tab {
  flex: 1 1 auto;
  padding: .3rem .35rem;
  font-size: .7rem;
  font-weight: 700;
  border: 1.5px solid var(--green-600);
  background: white;
  color: var(--green-600);
  border-radius: 4px;
  cursor: pointer;
  text-align: center;
  transition: background .15s, color .15s;
  font-family: inherit;
  letter-spacing: .02em;
  line-height: 1.3;
}
.solve-tab.active  { background: var(--green-600); color: white; }
.solve-tab:hover:not(.active) { background: var(--green-50); }

/* ── CURRENCY TOGGLE ── */
.currency-toggle { display: flex; gap: .3rem; }
.currency-btn {
  flex: 1;
  padding: .3rem .4rem;
  font-size: .78rem;
  font-weight: 700;
  border: 1.5px solid var(--green-600);
  background: white;
  color: var(--green-600);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
  transition: background .15s, color .15s;
}
.currency-btn.active  { background: var(--green-600); color: white; }
.currency-btn:hover:not(.active) { background: var(--green-50); }

/* ── SOLVED/OUTPUT FIELD STATE ── */
.input-group.is-solved label::after {
  content: ' — calculated';
  font-size: .65rem; font-weight: 400;
  color: var(--green-600); font-style: italic;
  text-transform: none; letter-spacing: 0;
}
.input-group.is-solved .input-wrapper { border-color: var(--green-600); }
.input-group.is-solved .input-wrapper input {
  background: var(--green-50);
  color: var(--green-800);
  font-weight: 700;
  cursor: default;
}
.input-group.is-solved .input-wrapper select {
  background: white;
  color: var(--text-dark);
  font-weight: normal;
  cursor: pointer;
}
.input-group.is-solved .input-prefix,
.input-group.is-solved .input-suffix { background: var(--green-100); color: var(--green-600); }

/* ── FOOTER ── */
footer {
  margin-top: 2.5rem; padding: 1.25rem 1.5rem;
  text-align: center; font-size: .78rem; color: var(--text-light);
  border-top: 1px solid var(--border);
}

/* ── PRINT MEDIA ── */
@media print {
  header, nav, .breadcrumb, .print-bar,
  .btn-primary, .btn-secondary, .btn-print,
  .schedule-controls { display: none !important; }

  body { background: white; font-size: 10.5pt; }
  .container { padding: 0; max-width: none; }
  .calc-grid { grid-template-columns: 270px 1fr; gap: 1rem; }

  .card { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
  .chart-container { height: 190px; }

  .schedule-card { break-before: page; }
  .schedule-wrapper { max-height: none; overflow: visible; }

  .schedule-table thead th,
  .schedule-table tbody tr.yr td,
  .result-hero {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .print-header { display: flex !important; }
  .schedule-controls { display: flex !important; }
  .schedule-controls .btn-secondary { display: none !important; }
}

.print-header {
  display: none;
  align-items: center; gap: .75rem;
  margin-bottom: 1.25rem; padding-bottom: .9rem;
  border-bottom: 2.5px solid var(--green-800);
}
.print-header img { width: 48px; height: 48px; }
.print-header-text h3 { font-size: 1.1rem; font-weight: 700; color: var(--green-800); }
.print-header-text p  { font-size: .78rem; color: var(--text-light); }