/* /tools/ pages: protein, water, steps, calorie deficit. Builds on site.css tokens (calc-card, plan-opt, num, money). */
.is-tool .reader-hero.tool-hero { min-height: 58svh; }
.tool-wide { width: min(960px, 100% - 32px); }
.tool-calc h2 { margin-bottom: 16px; }
.tool-inputs { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin: 0 0 18px; align-items: end; }
.tool-calc .calc-out { margin: 18px 0 10px; }
.tool-calc .num small { min-height: 1.2em; }
.calc-field.narrow { max-width: 260px; margin: 0 0 6px; }
.money.unit i { padding-right: 4px; }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14.5px; }
.tool-time, .tool-calc select { min-width: 0; width: 100%; border: 1.5px solid var(--line2); border-radius: 12px; background: var(--bg); color: var(--ink-hi); font: 600 16px var(--sans); padding: 10px 12px; }
.inline-pair { display: flex; gap: 8px; min-width: 0; }
.inline-pair .money { flex: 1; }
.inline-pair select { width: auto; flex: 0 0 auto; }

/* segmented pick (units, sex) */
.seg-pick { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; min-width: 0; }
.seg-pick legend { font-weight: 600; color: var(--ink-hi); font-size: 15px; padding: 0; margin-bottom: 8px; width: 100%; }
.seg-pick label { position: relative; cursor: pointer; }
.seg-pick input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg-pick span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border: 1.5px solid var(--line2); border-radius: 999px; background: var(--bg); font-weight: 600; color: var(--ink); }
.seg-pick input:checked + span { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-text); }
.seg-pick input:focus-visible + span { box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 45%, transparent); }
.calc-plans.bottles, .calc-plans.paces { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }

/* protein plate */
.plate-meter { margin: 0 0 18px; }
.pm-track { position: relative; height: 16px; border-radius: 999px; background: var(--panel); overflow: hidden; }
.pm-zone { position: absolute; top: 0; bottom: 0; background: color-mix(in srgb, var(--accent) 22%, transparent); border-left: 2px solid var(--accent); border-right: 2px solid var(--accent); }
.pm-fill { position: absolute; left: 0; top: 4px; bottom: 4px; width: 0; border-radius: 999px; background: var(--accent); transition: width 0.3s; }
.plate-meter p { margin: 8px 0 0; color: var(--dim); font-size: 15px; }
.plate-meter b { color: var(--ink-hi); font-variant-numeric: tabular-nums; }
.food-cards { list-style: none; margin: 0 0 16px; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.fc { display: grid; gap: 4px; align-content: start; background: var(--bg); border: 1.5px solid var(--line); border-radius: 16px; padding: 8px 8px 10px; min-width: 0; transition: border-color 0.2s; }
.fc.on { border-color: var(--accent); background: var(--accent-soft); }
.fc-media { display: grid; place-items: center; aspect-ratio: 4 / 3; border-radius: 11px; overflow: hidden; background: var(--panel); }
.fc-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fc-plain span { font: 500 34px/1 var(--serif); color: var(--accent-text); }
.fc-name { font-weight: 700; color: var(--ink-hi); font-size: 14.5px; line-height: 1.25; }
.fc-serv { font-size: 12.5px; color: var(--faint); line-height: 1.3; }
.fc-val { font-size: 13.5px; color: var(--dim); }
.fc-val b { color: var(--accent-text); font-variant-numeric: tabular-nums; }
.fc-step { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-top: 4px; }
.fc-step button { width: 40px; height: 40px; border-radius: 50%; border: 1.5px solid var(--line2); background: var(--bg2); color: var(--ink-hi); font: 600 20px/1 var(--sans); cursor: pointer; }
.fc-step button:hover { border-color: var(--accent); color: var(--accent-text); }
.fc-step output { font-weight: 700; font-variant-numeric: tabular-nums; color: var(--ink-hi); }
.fc-product { border-style: dashed; }

/* water schedule */
.sip-line { list-style: none; margin: 8px 0 12px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.sip-line li { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--ink-hi); font-weight: 600; font-size: 14.5px; font-variant-numeric: tabular-nums; }
.sip-line li::before { content: ""; width: 10px; height: 14px; border-radius: 3px 3px 5px 5px; border: 2px solid var(--accent); }
.tool-answer { margin: 6px 0 4px; padding: 14px 16px; border-radius: 14px; background: var(--bg); border: 1px solid var(--line); color: var(--ink-hi); font-size: 15.5px; line-height: 1.5; }
.tool-answer:empty { display: none; }
.tool-answer.warn { border-color: var(--accent); background: var(--accent-soft); }
.tool-h3 { font: 500 21px/1.25 var(--serif); color: var(--ink-hi); margin: 26px 0 6px; }

/* steps */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.chip-row button { min-height: 40px; padding: 0 14px; border-radius: 999px; border: 1.5px solid var(--line2); background: var(--bg); color: var(--ink); font: 600 14.5px var(--sans); cursor: pointer; font-variant-numeric: tabular-nums; }
.chip-row button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-text); }
.tool-calc > .calc-field { margin: 0 0 18px; }
.tool-table-wrap { overflow-x: auto; margin: 0 0 8px; }
.tool-table { width: 100%; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
.tool-table th, .tool-table td { padding: 10px 8px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tool-table th:first-child, .tool-table td:first-child { text-align: left; }
.tool-table thead th { color: var(--faint); font-weight: 600; font-size: 13px; }
.tool-table tbody th { color: var(--ink-hi); }
.tool-table td.you { color: var(--accent-text); font-weight: 700; }

/* calorie swaps */
.swaps { list-style: none; margin: 0 0 18px; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.swap-btn { display: grid; gap: 6px; align-content: start; width: 100%; height: 100%; text-align: left; padding: 8px 8px 12px; border-radius: 16px; border: 1.5px solid var(--line); background: var(--bg); color: var(--ink); font: inherit; cursor: pointer; transition: border-color 0.2s, background 0.2s; }
.swap-btn[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
.swap-btn:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); }
.swap-media { display: grid; place-items: center; aspect-ratio: 16 / 9; border-radius: 11px; overflow: hidden; background: var(--panel); color: var(--accent-text); }
.swap-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.swap-label { font-weight: 700; color: var(--ink-hi); font-size: 15px; line-height: 1.3; padding: 0 4px; }
.swap-math { font-size: 12.5px; color: var(--faint); padding: 0 4px; }
.swap-save { font-size: 14px; color: var(--dim); padding: 0 4px; }
.swap-save b { color: var(--accent-text); font-variant-numeric: tabular-nums; }
.swap-btn[aria-pressed="true"] .swap-save::after { content: " \2713"; color: var(--accent-text); font-weight: 700; }
.rule-compare { display: grid; gap: 8px; margin: 6px 0 4px; }
.rule-compare:empty { display: none; }
.rc-row { display: grid; grid-template-columns: 150px minmax(0, 1fr) 70px; gap: 10px; align-items: center; font-size: 14px; color: var(--dim); }
.rc-bar { height: 12px; border-radius: 999px; background: var(--panel); overflow: hidden; }
.rc-bar span { display: block; height: 100%; border-radius: 999px; background: var(--accent); }
.rc-row.old .rc-bar span { background: var(--faint); }
.rc-row b { color: var(--ink-hi); text-align: right; font-variant-numeric: tabular-nums; }

/* shelves and photos */
.tool-shelf { margin: 10px 0 40px; }
.tool-shelf h2, .tool-prose h2, .tool-faq h2, .tool-more h2 { font: 500 clamp(24px, 2.8vw, 30px)/1.2 var(--serif); color: var(--ink-hi); margin: 0 0 8px; }
.tool-shelf-dek { color: var(--dim); margin: 0 0 16px; }
.ts-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.ts-item { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.ts-media { display: block; aspect-ratio: 1; border-radius: 18px; overflow: hidden; background: var(--panel); box-shadow: var(--shadow); }
.ts-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s; }
.ts-media:hover img { transform: scale(1.04); }
.ts-item h3 { font: 600 17px/1.3 var(--sans); color: var(--ink-hi); margin: 4px 0 0; }
.ts-item p { margin: 0; font-size: 14.5px; color: var(--dim); line-height: 1.45; }
.ts-act { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: auto !important; padding-top: 6px; }
.ts-review { font: 600 14px var(--sans); color: var(--accent-text); }
.tool-band { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 0 0 40px; }
.tool-band figure { margin: 0; position: relative; }
.tool-band img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 16px; display: block; }
.tool-band figcaption .credit { position: absolute; }
.tool-prose { margin: 0 0 30px; font-size: 17px; line-height: 1.65; color: var(--ink); }
.tool-prose p { margin: 0 0 14px; }
.tool-prose b { color: var(--ink-hi); }
.tool-faq { margin: 0 0 30px; }
.tool-faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.tool-faq summary { cursor: pointer; font-weight: 700; color: var(--ink-hi); font-size: 16.5px; }
.tool-faq details p { margin: 10px 0 0; color: var(--dim); line-height: 1.6; }
.tool-advice { display: flex; gap: 10px; align-items: flex-start; padding: 14px 16px; border-radius: 14px; background: var(--band); color: var(--ink); font-size: 15px; line-height: 1.5; margin: 0 0 24px; }
.tool-advice svg { flex: 0 0 auto; margin-top: 3px; color: var(--accent-text); }
.tool-sources ol { margin: 0; padding-left: 20px; display: grid; gap: 8px; font-size: 15px; color: var(--dim); }
.tool-sources a { color: var(--ink); }
.tool-more { margin: 10px 0 60px; }
.tool-more > div { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 12px; }
.tool-more a { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 12px; align-items: center; padding: 8px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg2); text-decoration: none; color: var(--ink); }
.tool-more a:hover { border-color: var(--accent); }
.tm-media { display: block; aspect-ratio: 1; border-radius: 11px; overflow: hidden; }
.tm-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tool-more b { display: block; color: var(--ink-hi); font-size: 15px; }
.tool-more small { display: block; color: var(--faint); font-size: 13px; line-height: 1.35; }

/* hub */
.tool-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin: 0 0 30px; }
.tool-card { display: grid; grid-template-rows: auto 1fr; border-radius: 22px; overflow: hidden; background: var(--bg2); border: 1px solid var(--line); box-shadow: var(--shadow); text-decoration: none; color: var(--ink); transition: border-color 0.2s, transform 0.2s; }
.tool-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.tc-media { display: block; aspect-ratio: 3 / 2; overflow: hidden; }
.tc-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tc-body { display: grid; gap: 6px; padding: 16px 18px 18px; align-content: start; }
.tc-body b { font: 500 22px/1.2 var(--serif); color: var(--ink-hi); }
.tc-body > span { color: var(--dim); font-size: 15px; line-height: 1.45; }
.tc-body em { font-style: normal; font-weight: 700; color: var(--accent-text); display: inline-flex; gap: 6px; align-items: center; margin-top: 4px; }

@media (max-width: 640px) {
  .ts-row { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 12px; padding-bottom: 6px; scrollbar-width: none; }
  .ts-row::-webkit-scrollbar { display: none; }
  .ts-item { flex: 0 0 74%; scroll-snap-align: start; }
  .tool-band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-band figure:nth-child(3) { display: none; }
  .food-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .swaps { grid-template-columns: 1fr; }
  .swap-btn { grid-template-columns: 96px minmax(0, 1fr); grid-template-rows: auto auto auto; column-gap: 10px; }
  .swap-media { grid-row: 1 / 4; aspect-ratio: 1; }
  .rc-row { grid-template-columns: 1fr 64px; }
  .rc-row .rc-bar { grid-column: 1 / -1; grid-row: 2; }
  .calc-field.narrow { max-width: none; }
}