/* Calculator-specific styles */
.calc-section { padding: 32px 0 64px; }
.calc-form { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.form-step { margin-bottom: 24px; }
.form-label { display: flex; flex-direction: column; gap: 8px; font-weight: 600; font-size: 1rem; }
.form-label .step-num { display: inline-block; width: 24px; height: 24px; line-height: 24px; background: var(--brand); color: #fff; border-radius: 50%; text-align: center; font-size: .8rem; font-weight: 700; margin-right: 8px; }
.optional { color: var(--text-muted); font-weight: 400; font-size: .85rem; }
.form-label select, .form-label input[type="text"], .form-label input[type="number"] { padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font: inherit; font-size: 1rem; font-weight: 400; }
.form-label select:focus, .form-label input:focus { outline: 2px solid var(--brand); outline-offset: -2px; border-color: var(--brand); }
.hint { font-size: .85rem; color: var(--text-muted); margin: 6px 0 0; }
.hint a { color: var(--brand); }
.toggle-fieldset { border: 0; padding: 0; margin: 0; }
.toggle-fieldset legend { font-weight: 600; font-size: 1rem; padding: 0; margin-bottom: 12px; }
.radio-pill { position: relative; display: inline-flex; flex-direction: column; padding: 12px 20px; margin-right: 8px; margin-bottom: 8px; background: var(--bg); border: 2px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; transition: all .15s; min-width: 160px; }
.radio-pill input { position: absolute; opacity: 0; }
.radio-pill:has(input:checked) { border-color: var(--brand); background: rgba(15,76,129,0.05); }
.radio-pill span { font-weight: 600; font-size: .95rem; }
.radio-pill small { color: var(--text-muted); font-size: .8rem; margin-top: 2px; }
.form-actions { display: flex; gap: 12px; margin-top: 32px; }
.results { margin-top: 32px; padding: 32px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); }
.results-header { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.results-header h2 { margin: 0; }
.results-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.results-actions .btn { padding: 8px 14px; font-size: .9rem; }
.results-summary { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; margin-bottom: 32px; }
.result-card { padding: 24px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); }
.result-card--main { background: linear-gradient(135deg, var(--brand) 0%, #0a3f6e 100%); color: #fff; border: 0; }
.result-card--main .result-label, .result-card--main .result-rate { color: rgba(255,255,255,0.85); }
.result-label { font-size: .85rem; color: var(--text-muted); margin: 0 0 8px; text-transform: uppercase; letter-spacing: 0.04em; }
.result-value { font-size: 2.4rem; font-weight: 800; margin: 0; letter-spacing: -0.02em; font-family: var(--font-mono); }
.result-rate { font-size: .9rem; color: var(--text-muted); margin: 4px 0 0; }
.breakdown-table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; font-size: .95rem; }
.breakdown-table th, .breakdown-table td { padding: 12px; border-bottom: 1px solid var(--border); text-align: left; }
.breakdown-table thead { background: var(--bg); }
.breakdown-table th { font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-muted); }
.breakdown-table td.mono, .breakdown-table th.mono { font-family: var(--font-mono); }
.breakdown-table td.src { color: var(--text-muted); font-size: .85rem; }
.breakdown-table tfoot th { border-top: 2px solid var(--text); border-bottom: 0; font-size: 1rem; color: var(--text); }
.results-disclaimer { background: rgba(184,133,30,0.08); border-left: 4px solid var(--warn); padding: 14px 18px; font-size: .88rem; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.explainer { background: var(--bg-elev); padding: 56px 0; }
.layer-list { padding-left: 0; counter-reset: step; list-style: none; }
.layer-list li { padding: 12px 0 12px 48px; position: relative; counter-increment: step; }
.layer-list li::before { content: counter(step); position: absolute; left: 0; top: 12px; width: 32px; height: 32px; line-height: 32px; background: var(--brand); color: #fff; border-radius: 50%; text-align: center; font-weight: 700; font-size: .9rem; }
.layer-list strong { color: var(--text); }
.embed-section { padding: 56px 0; }
.embed-box { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.embed-box pre { background: var(--bg); padding: 16px; border-radius: var(--radius-sm); overflow-x: auto; margin: 0 0 12px; font-family: var(--font-mono); font-size: .85rem; }
.related { padding: 48px 0; background: var(--bg-elev); }
@media (max-width: 640px) {
  .results-summary { grid-template-columns: 1fr; }
  .result-value { font-size: 1.8rem; }
  .calc-form { padding: 20px; }
  .form-actions { flex-direction: column; }
  .form-actions .btn { width: 100%; }
  .breakdown-table { font-size: .85rem; }
  .breakdown-table td.src { display: none; }
}
@media print {
  .form-actions, .results-actions, .embed-section, .ad-slot, .related { display: none; }
}