/* Shared styles for the calculator tool pages (period + ovulation). Layered on /blog/blog.css. */
.calc-page { max-width: 720px; margin: 0 auto; padding: 36px 20px 0; }
.calc-page h1 { margin: 12px 0 0; font-family: var(--serif); font-weight: 400; font-size: clamp(30px, 6vw, 42px); line-height: 1.15; letter-spacing: -0.4px; color: var(--ink); text-wrap: pretty; }
.calc-page .dek { margin-top: 12px; }
.tool { margin-top: 26px; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 20px; }
.tabs { display: flex; gap: 6px; background: var(--paper); border-radius: 12px; padding: 4px; }
.tabs button { flex: 1; border: 0; background: transparent; border-radius: 9px; padding: 10px 8px; font: 600 14px/1.25 var(--sans); color: var(--muted); cursor: pointer; }
.tabs button[aria-selected="true"] { background: #fff; color: var(--ink); box-shadow: 0 1px 3px rgba(44,39,34,.12); }
.panel { margin-top: 18px; }
.panel[hidden] { display: none; }
.field { margin-top: 14px; }
.field:first-child { margin-top: 0; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); }
.field .help { display: block; font-size: 13px; color: var(--muted); margin-top: 2px; }
.field input, .field select { margin-top: 8px; width: 100%; padding: 12px 14px; border: 1px solid #DDD8CC; border-radius: 12px; font: 16px var(--sans); background: #FDFCF9; color: var(--ink); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.two .field { margin-top: 14px; }
.dates { display: flex; flex-direction: column; gap: 10px; margin: 12px 0 14px; }
.date-row { display: flex; gap: 10px; align-items: center; }
.date-row input { flex: 1; padding: 12px 14px; border: 1px solid #DDD8CC; border-radius: 12px; font: 16px var(--sans); background: #FDFCF9; color: var(--ink); }
.date-row button { border: none; background: var(--sage-soft); color: var(--sage-deep); width: 36px; height: 36px; border-radius: 10px; font-size: 18px; cursor: pointer; line-height: 1; }
.row-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-soft { border: 1px solid var(--sage-soft); background: var(--sage-soft); color: var(--sage-deep); font: 600 15px var(--sans); padding: 10px 16px; border-radius: 12px; cursor: pointer; }
.btn-ghost { border: 1px solid #D8D2C4; background: transparent; color: var(--ink); font: 15px var(--sans); padding: 10px 16px; border-radius: 12px; cursor: pointer; }
.btn-main { width: 100%; margin-top: 18px; border: none; background: var(--ink); color: #fff; font: 600 16px var(--sans); padding: 14px 22px; border-radius: 12px; cursor: pointer; }
.btn-main:active { opacity: .85; }
.error { display: none; margin-top: 14px; background: #F7E8E3; color: #7A3B2E; border-radius: 12px; padding: 12px 14px; font-size: 15px; }
#result { display: none; margin-top: 18px; border-top: 1px solid var(--line); padding-top: 18px; }
.r-k { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.r-dates { margin-top: 6px; font-family: var(--serif); font-size: clamp(26px, 6vw, 32px); line-height: 1.2; color: var(--ink); }
.r-likely { margin-top: 4px; font-size: 15px; color: var(--muted); }
.band { position: relative; height: 12px; border-radius: 6px; background: #EDE8DC; margin: 16px 0 6px; }
.band .fill { position: absolute; top: 0; bottom: 0; border-radius: 6px; background: linear-gradient(90deg, var(--sage-soft), var(--sage) 50%, var(--sage-soft)); }
.band .tick { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--sage-deep); border-radius: 1px; }
.band-ends { display: flex; justify-content: space-between; color: var(--faint); font-size: 12.5px; }
.status { margin-top: 16px; border-radius: 12px; padding: 12px 14px; font-size: 15px; line-height: 1.5; background: var(--sage-soft); color: var(--sage-deep); }
.status.warn { background: #F6EEDF; color: #7A5A2E; }
.status a { color: inherit; font-weight: 600; }
.upcoming { margin-top: 16px; }
.upcoming .up-row { display: flex; justify-content: space-between; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); font-size: 15px; }
.upcoming .up-row span:first-child { color: var(--muted); }
.upcoming .up-row span:last-child { font-weight: 600; color: var(--ink); text-align: right; }
.explain { margin-top: 12px; font-size: 14px; line-height: 1.55; color: var(--muted); }
.conf { display: inline-block; margin-top: 14px; background: var(--sage-soft); color: var(--sage-deep); border-radius: 999px; padding: 5px 12px; font-size: 13.5px; font-weight: 600; }
.stats { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.stat { flex: 1; min-width: 120px; background: var(--paper); border-radius: 12px; padding: 10px 12px; }
.stat b { display: block; font: 500 19px var(--serif); color: var(--ink); }
.stat span { color: var(--muted); font-size: 12.5px; }
.privacy-note { margin-top: 14px; font-size: 12.5px; color: var(--faint); text-align: center; }
.calc-page .article-body { margin-top: 8px; }
.calc-page .article-body h2 { margin-top: 44px; }
.example { margin-top: 16px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; font-size: 15.5px; line-height: 1.6; }
.faq-q { margin: 26px 0 0; font: 700 17px/1.35 var(--sans); color: var(--ink); }
.faq-a { margin: 6px 0 0 !important; }
.reviewed { margin-top: 30px; font-size: 13px; color: var(--faint); }
.reviewed a { color: var(--muted); }
@media (max-width: 420px) { .two { grid-template-columns: 1fr; gap: 0; } .tabs button { font-size: 13px; } }
.status.warn { margin-top: 14px; }