.tool-hero {
  background: linear-gradient(160deg, var(--ink), var(--ink-2));
  color: var(--text-on-dark);
  padding: 66px 0 48px;
}
.tool-hero .crumb { color: var(--text-on-dark-soft); font-size: 14px; margin: 0 0 14px; }
.tool-hero .crumb a:hover { color: var(--gold); }
.tool-hero .tagrow { color: var(--gold); font-size: 13px; margin: 0 0 12px; }
.tool-hero h1 { font-family: var(--font-serif); font-size: 38px; line-height: 1.25; margin: 0; max-width: 900px; }
.tool-hero .meta { color: var(--text-on-dark-soft); font-size: 15px; margin: 16px 0 0; max-width: 900px; }

.calculator-shell { max-width: 980px; margin: 0 auto; padding: 38px 24px 56px; }
.privacy-strip {
  display: flex; align-items: center; gap: 10px; margin-bottom: 22px; padding: 12px 16px;
  border: 1px solid #cfded5; background: #f2f8f4; color: #315d44; font-size: 14px;
}
.privacy-strip .lock { font-size: 18px; line-height: 1; }

.calc-section {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 8px;
  padding: 28px; margin-bottom: 22px; box-shadow: 0 6px 22px rgba(15,27,45,.055);
}
.section-title-row { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.section-title-row h2 { font-family: var(--font-serif); font-size: 23px; color: var(--ink); margin: 0; }
.section-title-row p { color: var(--text-soft); font-size: 13px; margin: 4px 0 0; max-width: 650px; }
.section-number {
  flex: 0 0 30px; width: 30px; height: 30px; display: grid; place-items: center;
  border: 1px solid var(--gold); color: var(--gold-2); font: 600 14px var(--font-sans);
}
.section-heading { display: flex; gap: 12px; align-items: flex-start; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-group { min-width: 0; }
.form-group.full { grid-column: 1 / -1; }
.form-group label, .field-label { display: block; color: var(--text-soft); font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea, .table-input {
  width: 100%; min-width: 0; border: 1px solid #d7d2c7; border-radius: 6px; padding: 10px 11px;
  background: #fff; color: var(--text); font: 15px var(--font-sans); line-height: 1.4;
}
.form-group textarea { resize: vertical; min-height: 72px; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus, .table-input:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,106,.14);
}
.hint { color: var(--text-soft); font-size: 12.5px; margin: 6px 0 0; line-height: 1.6; }

.choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.choice-item { position: relative; }
.choice-item input { position: absolute; opacity: 0; pointer-events: none; }
.choice-item label {
  display: block; border: 1px solid var(--line); padding: 11px 12px; background: #fff;
  color: var(--text-soft); font-size: 14px; text-align: center; cursor: pointer;
}
.choice-item input:checked + label { border-color: var(--gold); background: #fbf8f1; color: var(--ink); font-weight: 600; }

.data-table-wrap { overflow-x: auto; border: 1px solid var(--line); }
.data-table { width: 100%; min-width: 760px; border-collapse: collapse; background: #fff; }
.data-table th, .data-table td { padding: 10px 11px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table th { background: #f5f4f0; color: var(--text-soft); font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.data-table td { font-size: 14px; }
.data-table .amount-cell { width: 160px; }
.data-table .check-cell { width: 150px; text-align: center; }
.data-table .check-cell input { width: 18px; height: 18px; accent-color: var(--gold-2); }
.data-table .money-output { font-weight: 700; color: var(--ink); text-align: right; }

.total-strip {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  margin-top: 14px; padding: 15px 17px; background: #f8f6f0; border-left: 3px solid var(--gold);
}
.total-strip span { color: var(--text-soft); font-size: 14px; }
.total-strip strong { color: var(--ink); font-size: 21px; }

.switch-line { display: flex; align-items: center; gap: 10px; }
.switch { position: relative; width: 44px; height: 24px; flex: 0 0 44px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch-slider { position: absolute; inset: 0; background: #c5c8cc; cursor: pointer; transition: .2s; border-radius: 24px; }
.switch-slider::before { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .2s; }
.switch input:checked + .switch-slider { background: var(--gold-2); }
.switch input:checked + .switch-slider::before { transform: translateX(20px); }
.switch-text { color: var(--ink); font-weight: 600; font-size: 14px; }

.stage-list { border-top: 1px solid var(--line); }
.stage-item { padding: 22px 0; border-bottom: 1px solid var(--line); }
.stage-item:last-child { border-bottom: 0; padding-bottom: 4px; }
.stage-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 16px; }
.stage-head h3 { margin: 0; color: var(--ink); font-size: 17px; }
.stage-actions { display: flex; align-items: center; gap: 8px; }

.inline-checks { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-top: 15px; }
.inline-checks label { display: inline-flex; align-items: center; gap: 7px; color: var(--text-soft); font-size: 13.5px; }
.inline-checks input { width: 17px; height: 17px; accent-color: var(--gold-2); }

.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.tool-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 40px;
  border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
  padding: 9px 15px; font: 600 14px var(--font-sans); cursor: pointer;
}
.tool-btn:hover { border-color: var(--gold); background: #fbf8f1; }
.tool-btn.primary { border-color: var(--gold); background: var(--gold); color: var(--ink); }
.tool-btn.primary:hover { background: var(--gold-2); }
.tool-btn.danger { color: #a33d2c; }
.icon-btn {
  width: 36px; height: 36px; border: 1px solid var(--line); background: #fff; color: #9a3f31;
  display: grid; place-items: center; cursor: pointer; font-size: 18px; border-radius: 4px;
}
.icon-btn:hover { border-color: #c98b80; background: #fff7f5; }

.record-list { border-top: 1px solid var(--line); }
.record-item { padding: 20px 0; border-bottom: 1px solid var(--line); }
.record-item:last-child { border-bottom: 0; }
.record-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.record-head h3 { margin: 0; font-size: 16px; color: var(--ink); }
.allocation-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 13px; }
.allocation-grid .form-group label { font-size: 12px; }
.allocation-status { font-size: 12px; color: var(--text-soft); margin-top: 9px; }
.allocation-status.warn { color: #aa442f; font-weight: 600; }

.notice {
  padding: 13px 15px; margin: 16px 0; border: 1px solid #e5dcc8; background: #fbf8f1;
  color: var(--text-soft); font-size: 13px; line-height: 1.7;
}
.notice strong { color: var(--ink); }
.validation { display: none; border: 1px solid #e4b4aa; background: #fff5f2; color: #983b2b; padding: 14px 16px; margin-bottom: 18px; font-size: 14px; }
.validation.show { display: block; }
.validation ul { margin: 0; padding-left: 20px; }

.calculate-bar {
  position: sticky; bottom: 0; z-index: 20; display: flex; gap: 10px; align-items: center;
  margin: 24px 0; padding: 13px; background: rgba(247,245,240,.96); border: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.calculate-bar .tool-btn.primary { flex: 1; min-height: 48px; font-size: 16px; }

.result-section { display: none; }
.result-section.show { display: block; }
.final-total {
  padding: 25px; margin-bottom: 20px; background: var(--ink); color: var(--text-on-dark);
  border-left: 5px solid var(--gold);
}
.final-total span { display: block; color: var(--text-on-dark-soft); font-size: 14px; }
.final-total strong { display: block; color: var(--gold); font: 700 30px/1.35 var(--font-serif); margin-top: 6px; overflow-wrap: anywhere; }
.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 22px; }
.result-line { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.result-line span { color: var(--text-soft); font-size: 13.5px; }
.result-line strong { color: var(--ink); text-align: right; }
.result-block h3 { color: var(--ink); font-size: 17px; margin: 24px 0 10px; }
.formula-list { border-top: 1px solid var(--line); }
.formula-item { padding: 14px 0; border-bottom: 1px solid var(--line); }
.formula-item p { margin: 3px 0; color: var(--text-soft); font-size: 13px; overflow-wrap: anywhere; }
.formula-item strong { color: var(--ink); }
.formula-amount { color: #a34d34 !important; font-weight: 700; }
.empty-result { color: var(--text-soft); font-size: 13px; padding: 12px 0; }

.law-basis { margin-top: 30px; }
.law-basis h2 { font-family: var(--font-serif); color: var(--ink); font-size: 22px; }
.law-basis details { border-top: 1px solid var(--line); padding: 13px 0; }
.law-basis details:last-child { border-bottom: 1px solid var(--line); }
.law-basis summary { color: var(--ink); font-weight: 600; cursor: pointer; }
.law-basis p { color: var(--text-soft); font-size: 13.5px; margin: 9px 0 0; }
.disclaimer { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--text-soft); font-size: 13px; }
.disclaimer p { margin: 5px 0; }

@media (max-width: 820px) {
  .tool-hero { padding: 48px 0 34px; }
  .tool-hero h1 { font-size: 28px; }
  .calculator-shell { padding: 26px 14px 42px; }
  .calc-section { padding: 20px 16px; }
  .form-grid, .form-grid.three, .choice-grid, .result-grid { grid-template-columns: 1fr; }
  .allocation-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-title-row { align-items: flex-start; }
  .section-title-row p { display: none; }
  .total-strip { align-items: flex-start; flex-direction: column; gap: 3px; }
  .calculate-bar { margin-left: -4px; margin-right: -4px; }
  .calculate-bar .secondary-label { display: none; }
  .final-total strong { font-size: 24px; }
}

@media (max-width: 480px) {
  .allocation-grid { grid-template-columns: 1fr; }
  .choice-grid { grid-template-columns: 1fr 1fr; }
  .stage-head { align-items: flex-start; }
  .btn-row .tool-btn { flex: 1; }
}

@media print {
  .nav, .tool-hero, .calculate-bar, .btn-row, .icon-btn, .footer, .privacy-strip { display: none !important; }
  body { background: #fff; font-size: 12px; }
  .calculator-shell { max-width: none; padding: 0; }
  .calc-section { box-shadow: none; break-inside: avoid; border-color: #bbb; padding: 16px; margin-bottom: 12px; }
  .result-section { display: block !important; }
  .data-table-wrap { overflow: visible; }
  .data-table { min-width: 0; font-size: 10px; }
  .form-group input, .form-group select, .form-group textarea, .table-input { border: 0; padding: 2px; }
  .final-total { background: #fff; color: #000; border: 2px solid #222; }
  .final-total span, .final-total strong { color: #000; }
}