/* Hard Module free tools (/satprep/tools/). Builds on /styles.css and /satprep/satprep.css. */
.tool-hero { background: var(--sp-hero); color: #fff; padding-block: clamp(36px, 6vw, 72px); }
.tool-hero h1 { font-size: var(--step-4); font-weight: 800; letter-spacing: -0.035em; line-height: 1.02; margin: 10px 0 14px; }
.tool-hero .lede { color: rgba(255,255,255,.85); max-width: 44em; }
.tool-hero .lede strong { color: #fff; }
.crumbs { font: 500 var(--step--1)/1.4 var(--f-mono); color: rgba(255,255,255,.7); }
.crumbs a { color: inherit; }
.tool-section { padding-top: clamp(32px, 5vw, 56px); }

.calc { display: grid; grid-template-columns: 1fr 1fr 1.05fr; gap: 18px; align-items: stretch; }
.calc__section { margin: 0; min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px; display: grid; gap: 16px; align-content: start; }
.calc__section legend { float: left; width: 100%; padding: 0; font: 700 var(--step-1)/1.2 var(--f-display); }
.calc__section legend + * { clear: both; }
.calc__row { display: grid; gap: 8px; }
.calc__row label { font-weight: 600; }
.calc__row label small { color: var(--muted); font-weight: 400; }
.calc__input { display: grid; grid-template-columns: 1fr 76px; gap: 12px; align-items: center; }
.calc__input input[type=range] { width: 100%; accent-color: var(--accent); }
.calc__input input[type=number], .calc__row select {
  font: 500 1rem/1 var(--f-body); padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--paper); color: var(--ink); width: 100%; min-width: 0;
}
.calc__input input[type=number] { text-align: center; font-family: var(--f-mono); }
.calc__route { margin: 0; color: var(--muted); font-size: .9375rem; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip { display: inline-block; font: 600 .75rem/1 var(--f-mono); letter-spacing: .04em; text-transform: uppercase; padding: 6px 10px; border-radius: 999px; }
.chip--harder { background: color-mix(in srgb, var(--sp-teal) 30%, transparent); color: var(--ink); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sp-teal) 70%, transparent); }
.chip--easier { background: color-mix(in srgb, #F5B54A 25%, transparent); color: var(--ink); box-shadow: inset 0 0 0 1px color-mix(in srgb, #F5B54A 65%, transparent); }

.calc__result { display: grid; gap: 10px; align-content: start; background: var(--sp-hero); color: #fff; border-radius: 18px; padding: 24px; }
.calc__label { margin: 0; font: 500 var(--step--1)/1.4 var(--f-mono); color: rgba(255,255,255,.72); text-transform: uppercase; letter-spacing: .06em; }
.calc__total { margin: 0; font: 800 clamp(3rem, 8vw, 4.5rem)/1 var(--f-display); letter-spacing: -0.04em; }
.calc__range { margin: 0; color: rgba(255,255,255,.85); }
.calc__sections { margin: 8px 0 0; display: grid; gap: 10px; }
.calc__sections div { display: flex; justify-content: space-between; gap: 12px; padding-top: 10px; border-top: 1px solid rgba(255,255,255,.18); }
.calc__sections dt { color: rgba(255,255,255,.8); }
.calc__sections dd { margin: 0; font: 700 1.25rem/1 var(--f-display); white-space: nowrap; }
.calc__sections small { font: 400 .8125rem/1 var(--f-mono); color: rgba(255,255,255,.7); }
.calc__note { margin: 0; min-height: 1.4em; color: #FFE2A6; font-size: .9375rem; }
.calc__share { margin-top: 6px; background: rgba(255,255,255,.14); color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,.3); }

.prose { max-width: 760px; }
.prose h2 { margin-bottom: 14px; }
.prose h3 { margin: 32px 0 10px; font-size: var(--step-1); }
.prose p, .prose li { color: var(--muted); }
.prose p + p { margin-top: 12px; }
.prose ol { padding-left: 1.25em; display: grid; gap: 8px; }
.prose a { color: var(--accent); }
.table-wrap { overflow-x: auto; margin: 6px 0 14px; }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: .9375rem; background: var(--surface); border-radius: 12px; overflow: hidden; }
.table-wrap th, .table-wrap td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.table-wrap th { font-weight: 600; background: var(--accent-soft); }
.table-wrap tr:last-child td { border-bottom: 0; }

@media (max-width: 980px) {
  .calc { grid-template-columns: 1fr 1fr; }
  .calc__result { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .calc { grid-template-columns: 1fr; }
}

/* Hard module checker */
.sp { --bar: #2F4FB8; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .sp { --bar: #6E8BF2; } }
:root[data-theme="dark"] .sp { --bar: #6E8BF2; }

.chk { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.chk__card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 22px; display: grid; gap: 16px; align-content: start; min-width: 0; }
.chk__card h2 { font-size: var(--step-1); }
.chk__verdict { display: grid; gap: 4px; }
.chk__pct { margin: 0; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.chk__pct span { font: 800 clamp(2.5rem, 7vw, 3.5rem)/1 var(--f-display); letter-spacing: -0.04em; color: var(--ink); }
.chk__pct small { color: var(--muted); }
.chk__label { margin: 0; font-weight: 600; color: var(--ink); }
.chk__note { margin: 0; color: var(--muted); font-size: .9375rem; }
.chk__next { text-align: center; margin-top: 22px; font-weight: 600; }
.chk__next a { color: var(--accent); }

.bars { margin: 0; position: relative; display: grid; gap: 8px; }
.bars figcaption { font-size: .875rem; color: var(--muted); }
.bars__plot { position: relative; height: 160px; padding-left: 36px; padding-bottom: 22px; }
.bars__grid { position: absolute; inset: 0 0 22px 0; display: flex; flex-direction: column; justify-content: space-between; pointer-events: none; }
.bars__grid span { display: block; border-top: 1px solid var(--line); font: 400 .6875rem/1 var(--f-mono); color: var(--muted); padding-top: 2px; width: 100%; }
.bars__grid span:last-child { border-top-color: color-mix(in srgb, var(--muted) 60%, transparent); }
.bars__cols { position: relative; height: 100%; display: flex; align-items: stretch; gap: 2px; }
.bars__bar { position: relative; flex: 1 1 0; min-width: 0; border: 0; padding: 0; background: transparent; cursor: pointer; display: flex; align-items: flex-end; }
.bars__bar:hover { background: color-mix(in srgb, var(--bar) 8%, transparent); border-radius: 4px 4px 0 0; }
.bars__bar:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.bars__fill { display: block; width: 100%; background: var(--bar); opacity: .38; border-radius: 4px 4px 0 0; transition: height .2s ease; }
.bars__bar.is-current .bars__fill { opacity: 1; }
.bars__x { position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); font: 400 .6875rem/1 var(--f-mono); color: var(--muted); }
.bars__bar.is-current .bars__x { color: var(--ink); font-weight: 600; }
.bars__bar:nth-child(odd):not(.is-current) .bars__x { visibility: hidden; }
.bars__tip { position: absolute; top: 18px; transform: translateX(-50%); background: var(--ink); color: var(--paper); font: 500 .8125rem/1.2 var(--f-body); padding: 6px 10px; border-radius: 8px; white-space: nowrap; pointer-events: none; z-index: 2; }
.bars__table summary { cursor: pointer; font-size: .875rem; color: var(--accent); }
.bars__table table { margin-top: 8px; width: 100%; border-collapse: collapse; font-size: .875rem; }
.bars__table th, .bars__table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.prose ul { padding-left: 1.25em; display: grid; gap: 8px; }

@media (max-width: 860px) { .chk { grid-template-columns: 1fr; } }