/* Bloc free tools — a diagnostic training-console layer over the main brand. */

.tools-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 8%, rgba(122, 42, 140, 0.2), transparent 30rem),
    radial-gradient(circle at 8% 34%, rgba(242, 63, 109, 0.1), transparent 26rem),
    var(--bg);
}

.tools-main {
  position: relative;
  padding: 132px var(--gutter) 100px;
  overflow: hidden;
}

.tools-main::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 720px;
  pointer-events: none;
  opacity: 0.38;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent);
  -webkit-mask-image: linear-gradient(to bottom, black, transparent);
}

.tools-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
}

.tools-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 32px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.tools-breadcrumb a:hover { color: var(--accent); }
.tools-breadcrumb span[aria-hidden] { color: var(--text-faint); }

.tools-hero {
  max-width: 850px;
  margin-bottom: 64px;
}

.tools-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--accent);
}

.tools-kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--accent);
}

.tools-hero h1,
.tool-page-head h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(54px, 8vw, 92px);
  line-height: 0.92;
  letter-spacing: 4px;
}

.tools-hero h1 span,
.tool-page-head h1 span { color: var(--accent); }

.tools-hero > p,
.tool-page-head > div > p {
  max-width: 650px;
  margin-top: 24px;
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.72;
}

.tools-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
  list-style: none;
}

.tools-trust li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(16, 14, 22, 0.68);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.tools-trust li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--pos);
  box-shadow: 0 0 12px rgba(92, 224, 184, 0.6);
}

.tools-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.tools-card {
  position: relative;
  min-height: 290px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  background: var(--surface);
  transition: border-color 0.2s ease;
}

.tools-card::after {
  content: attr(data-index);
  position: absolute;
  right: 18px;
  bottom: -38px;
  color: rgba(255, 255, 255, 0.025);
  font-family: var(--font-display);
  font-size: 180px;
  line-height: 1;
  pointer-events: none;
}

.tools-card--live {
  border-color: rgba(242, 63, 109, 0.3);
  background: var(--surface);
}

.tools-card--live:hover {
  border-color: var(--accent-line);
}

.tools-card-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 52px;
}

.tools-card-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: rgba(21, 17, 28, 0.5);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 1px;
}

.tools-card-status {
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 1.3px;
  text-transform: uppercase;
}

.tools-card--live .tools-card-status {
  border-color: rgba(92, 224, 184, 0.25);
  background: rgba(92, 224, 184, 0.08);
  color: var(--pos);
}

.tools-card-content { position: relative; z-index: 1; }

.tools-card h2 {
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: 31px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 2px;
}

.tools-card p {
  max-width: 470px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.65;
}

.tools-card-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.tools-card-link span { color: var(--accent); }

.tools-method {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  margin-top: 96px;
  padding-top: 54px;
  border-top: 1px solid var(--hairline);
}

.tools-method h2 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 2px;
}

.tools-method-copy {
  display: grid;
  gap: 18px;
  color: var(--text-dim);
  font-size: 15px;
}

.tools-method-copy a { color: var(--accent); }

/* Progression finder */
.tool-page-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: 64px;
  align-items: end;
  margin-bottom: 54px;
}

.tool-page-head--single { grid-template-columns: 1fr; }

.tool-page-head h1 { font-size: clamp(48px, 7vw, 78px); }

.tool-head-mark {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 1px solid var(--border);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(242, 63, 109, 0.16), transparent 62%),
    var(--surface);
}

.tool-head-mark::before,
.tool-head-mark::after {
  content: "";
  position: absolute;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.tool-head-mark::before { inset: 18%; }
.tool-head-mark::after { inset: 36%; border-color: var(--accent-line); }

.tool-head-mark span {
  position: relative;
  z-index: 1;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 30px;
  letter-spacing: 3px;
}

.finder-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.finder-layout--single { grid-template-columns: minmax(0, 1fr); }

.finder-rail {
  position: sticky;
  top: 108px;
  padding: 18px 0;
}

.finder-rail-label {
  margin-bottom: 22px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.6px;
}

.finder-rail ol { list-style: none; }

.finder-rail li {
  position: relative;
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  min-height: 72px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.finder-rail li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 12px;
  top: 28px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(var(--accent-line), var(--border));
}

.finder-rail-num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--accent-line);
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 8px;
}

.finder-card {
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-2xl);
  background:
    radial-gradient(circle at 100% 0, rgba(122, 42, 140, 0.14), transparent 36%),
    rgba(16, 14, 22, 0.95);
  box-shadow: 0 40px 90px -60px rgba(0, 0, 0, 0.95);
}

#progression-form {
  background: transparent;
  box-shadow: none;
}

.finder-section + .finder-section {
  margin-top: 40px;
  padding-top: 36px;
  border-top: 1px solid var(--hairline);
}

.finder-section-heading {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
}

.finder-section-heading span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
}

.finder-section-heading h2 {
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 1.8px;
}

.tool-field { display: grid; gap: 9px; }
.finder-section > .tool-field + .tool-field { margin-top: 18px; }

.tool-field > label,
.tool-field-label {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.tool-field select,
.condition-inputs input,
.condition-inputs select {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: #1d1726;
  color: var(--text);
  font: 14px var(--font-body);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tool-field select,
.condition-inputs select { padding: 0 42px 0 14px; }
.condition-inputs input { padding: 0 14px; }

.tool-field select:focus,
.condition-inputs input:focus,
.condition-inputs select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(242, 63, 109, 0.12);
}

.tool-hint {
  min-height: 20px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.55;
}

.tool-equipment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.tool-check {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(21, 17, 28, 0.45);
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.tool-check:has(input:checked) {
  border-color: var(--accent-line);
  background: var(--accent-dim);
  color: var(--text);
}

.tool-check input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.tool-check-box {
  display: grid;
  place-items: center;
  flex: 0 0 17px;
  width: 17px;
  height: 17px;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  background: var(--surface);
}

.tool-check input:checked + .tool-check-box {
  border-color: var(--accent);
  background: var(--accent);
}

.tool-check input:checked + .tool-check-box::after {
  content: "✓";
  color: #09070c;
  font-size: 11px;
  font-weight: 700;
}

.tool-check:has(input:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.condition-list { display: grid; gap: 14px; }

.condition-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(21, 17, 28, 0.55);
}

.condition-card legend {
  display: flex;
  align-items: center;
  gap: 12px;
  width: auto;
  padding: 0 8px;
}

.condition-card legend > span:last-child { display: grid; gap: 2px; }
.condition-card legend strong { font-size: 14px; font-weight: 600; }
.condition-card legend small { color: var(--text-muted); font-family: var(--font-mono); font-size: 9px; }

.condition-index {
  display: grid;
  place-items: center;
  width: 27px;
  height: 27px;
  border-radius: 9px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
}

.condition-inputs {
  display: grid;
  grid-template-columns: 0.75fr 1fr 1.35fr;
  gap: 12px;
  margin-top: 12px;
}

.condition-inputs label { display: grid; gap: 7px; }
.condition-inputs label > span { color: var(--text-muted); font-size: 11px; }

.tool-terminal-note {
  padding: 18px;
  border: 1px solid rgba(92, 224, 184, 0.24);
  border-radius: 14px;
  background: rgba(92, 224, 184, 0.07);
  color: var(--text-dim);
  font-size: 13px;
}

.tool-terminal-note span {
  display: block;
  margin-bottom: 5px;
  color: var(--pos);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.3px;
}

.tool-terminal-note--muted { border-color: var(--border); background: var(--surface-2); }
.tool-terminal-note--muted span { color: var(--text-muted); }

.finder-submit-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 34px;
}

.finder-submit-row .btn-primary {
  border: 0;
  cursor: pointer;
}

.finder-submit-row .btn-primary:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  transform: none;
}

.tool-form-error { color: #ff9aaf; font-size: 12px; }

.progression-result {
  margin-top: 24px;
  padding: clamp(24px, 4vw, 44px);
  scroll-margin-top: 96px;
  border: 1px solid var(--accent-line);
  border-radius: var(--r-2xl);
  background:
    radial-gradient(circle at 92% 5%, rgba(242, 63, 109, 0.18), transparent 34%),
    linear-gradient(145deg, rgba(31, 27, 44, 0.98), rgba(10, 9, 13, 0.98));
  box-shadow: 0 32px 90px -54px rgba(242, 63, 109, 0.58);
}

.progression-result[hidden] { display: none; }
.progression-result:focus {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.result-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
}

.result-status,
.result-basis {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.result-status {
  padding: 6px 9px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
}

.result-status--ready {
  border-color: rgba(92, 224, 184, 0.3);
  background: rgba(92, 224, 184, 0.09);
  color: var(--pos);
}

.result-basis { color: var(--text-faint); }

.progression-result h2 {
  max-width: 760px;
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: 2px;
}

.result-lede {
  max-width: 670px;
  margin-top: 14px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.65;
}

.result-path {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  margin: 30px 0;
  padding: 18px;
  border-block: 1px solid var(--hairline);
}

.result-path span {
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 1.3px;
}

.result-path strong { font-size: 14px; font-weight: 600; }
.result-path i { color: var(--accent); font-style: normal; }

.result-breakdown h3 {
  margin-bottom: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 1.4px;
}

.result-breakdown ul { display: grid; gap: 8px; list-style: none; }

.result-condition {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(21, 17, 28, 0.46);
}

.result-condition-mark {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: var(--surface-3);
  color: var(--text-muted);
}

.result-condition--passed .result-condition-mark {
  background: rgba(92, 224, 184, 0.11);
  color: var(--pos);
}

.result-condition-copy { display: grid; gap: 2px; }
.result-condition-copy strong { font-size: 13px; }
.result-condition-copy small { color: var(--text-muted); font-family: var(--font-mono); font-size: 9px; }
.result-condition-state { color: var(--text-muted); font-size: 10px; }
.result-condition--passed .result-condition-state { color: var(--pos); }

.result-cue {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 2px solid var(--accent);
  background: var(--accent-dim);
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.6;
}

.result-cue span {
  display: block;
  margin-bottom: 4px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 1.4px;
}

.result-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
}

.tool-reset {
  border: 0;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.tool-reset:hover { color: var(--text); }

.result-disclaimer {
  margin-top: 16px;
  color: var(--text-faint);
  font-size: 11px;
}

.tool-education {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 72px;
}

.tool-education article {
  padding: 24px;
  border-top: 1px solid var(--border-strong);
}

.tool-education span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.4px;
}

.tool-education h2 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 400;
  letter-spacing: 1.5px;
}

.tool-education p { color: var(--text-dim); font-size: 13px; line-height: 1.7; }
.tool-education a { color: var(--accent); }

/* Exercise swap finder */
.swap-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.swap-search-row {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 12px;
}

.tool-field input[type="search"] {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  outline: none;
  background: #1d1726;
  color: var(--text);
  font: 14px var(--font-body);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tool-field input[type="search"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(242, 63, 109, 0.12);
}

.swap-reason-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.swap-reason {
  position: relative;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: center;
  min-height: 68px;
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(21, 17, 28, 0.45);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.swap-reason:hover { transform: translateY(-1px); border-color: var(--border-strong); }
.swap-reason:has(input:checked) { border-color: var(--accent-line); background: var(--accent-dim); }
.swap-reason input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.swap-reason:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }

.swap-reason-mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.swap-reason:has(input:checked) .swap-reason-mark { border-color: var(--accent); color: var(--accent); }
.swap-reason-copy { display: grid; gap: 2px; }
.swap-reason-copy strong { color: var(--text); font-size: 13px; font-weight: 600; }
.swap-reason-copy small { color: var(--text-muted); font-size: 10px; line-height: 1.4; }
.swap-reason--safety { grid-column: 1 / -1; }
.swap-reason--safety:has(input:checked) { border-color: rgba(255, 154, 107, 0.42); background: rgba(255, 154, 107, 0.08); }
.swap-reason--safety:has(input:checked) .swap-reason-mark { border-color: #ff9a6b; color: #ff9a6b; }

.swap-prescription {
  margin-top: 22px;
  border-top: 1px solid var(--hairline);
}

.swap-prescription summary {
  padding-top: 18px;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.swap-prescription-fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.swap-prescription-fields label { display: grid; gap: 7px; }
.swap-prescription-fields label span { color: var(--text-muted); font-size: 11px; }
.swap-prescription-fields input {
  min-width: 0;
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  outline: none;
  background: #1d1726;
  color: var(--text);
  font: 14px var(--font-body);
}
.swap-prescription-fields input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(242, 63, 109, 0.12); }

.swap-result {
  margin-top: 24px;
  padding: clamp(24px, 4vw, 44px);
  scroll-margin-top: 96px;
  border: 1px solid var(--accent-line);
  border-radius: var(--r-2xl);
  outline-offset: 4px;
  background:
    radial-gradient(circle at 95% 0, rgba(197, 38, 126, 0.18), transparent 32%),
    linear-gradient(145deg, rgba(31, 27, 44, 0.98), rgba(10, 9, 13, 0.98));
}
.swap-result[hidden] { display: none; }
.swap-result:focus { outline: 2px solid var(--accent); }

.swap-result-header > span {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 5px 9px;
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 1.4px;
}
.swap-result-header h2 {
  max-width: 780px;
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: 2px;
}
.swap-result-header > p { max-width: 700px; margin-top: 13px; color: var(--text-dim); font-size: 14px; line-height: 1.65; }
.swap-result-header--safety > span { border-color: rgba(255, 154, 107, 0.35); background: rgba(255, 154, 107, 0.08); color: #ff9a6b; }
.swap-prescription-context { color: var(--text-muted) !important; font-family: var(--font-mono); font-size: 9px !important; letter-spacing: 1px; text-transform: uppercase; }

.swap-source-line {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  margin: 28px 0;
  padding: 18px 0;
  border-block: 1px solid var(--hairline);
}
.swap-source-line span { color: var(--text-faint); font-family: var(--font-mono); font-size: 8px; letter-spacing: 1.3px; }
.swap-source-line strong { font-size: 14px; }
.swap-source-line i { color: var(--accent); font-style: normal; }

.swap-recommendations { display: grid; gap: 12px; }
.swap-recommendation {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 17px;
  background: rgba(21, 17, 28, 0.5);
}
.swap-recommendation--primary {
  border-color: rgba(92, 224, 184, 0.28);
  background: radial-gradient(circle at 100% 0, rgba(92, 224, 184, 0.07), transparent 34%), rgba(21, 17, 28, 0.58);
}
.swap-recommendation-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.swap-rank { color: var(--text-faint); font-family: var(--font-display); font-size: 25px; letter-spacing: 2px; }
.swap-relationship { padding: 4px 8px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-muted); font-family: var(--font-mono); font-size: 8px; letter-spacing: 1.1px; text-transform: uppercase; }
.swap-relationship--equivalent { border-color: rgba(92, 224, 184, 0.25); color: var(--pos); }
.swap-relationship--regression { border-color: rgba(102, 163, 255, 0.28); color: #8eb8ff; }
.swap-relationship--progression { border-color: var(--accent-line); color: var(--accent); }
.swap-recommendation h3 { margin-top: 14px; font-family: var(--font-display); font-size: 30px; font-weight: 400; line-height: 1; letter-spacing: 1.8px; }
.swap-preserves { display: flex; gap: 8px; margin-top: 8px; color: var(--text-dim); font-size: 12px; }
.swap-preserves span { color: var(--text-faint); font-family: var(--font-mono); font-size: 8px; letter-spacing: 1px; }
.swap-equipment-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.swap-equipment-chip { padding: 4px 8px; border: 1px solid var(--border); border-radius: 999px; color: var(--text-muted); font-family: var(--font-mono); font-size: 8px; letter-spacing: .8px; }
.swap-recommendation-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.swap-recommendation-detail p { padding: 14px; border-radius: 11px; background: var(--surface); color: var(--text-dim); font-size: 11px; line-height: 1.55; }
.swap-recommendation-detail span { display: block; margin-bottom: 5px; color: var(--accent); font-family: var(--font-mono); font-size: 7px; letter-spacing: 1.2px; }

/* Progressive overload — flat, utilitarian two-session comparison. */
.overload-shell { max-width: 980px; margin: 0 auto; }
.overload-mode-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 18px;
}
.overload-mode-head > div { display: flex; align-items: baseline; gap: 12px; }
.overload-mode-head span { color: var(--accent); font-family: var(--font-mono); font-size: 9px; letter-spacing: 1.5px; }
.overload-mode-head h2 { font-family: var(--font-display); font-size: 28px; font-weight: 400; letter-spacing: 1.8px; }
.overload-mode-head p { max-width: 340px; color: var(--text-muted); font-size: 12px; text-align: right; }

.overload-mode-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.overload-mode-switch label { cursor: pointer; }
.overload-mode-switch input { position: absolute; opacity: 0; pointer-events: none; }
.overload-mode-switch label > span {
  display: grid;
  gap: 4px;
  min-height: 86px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: transparent;
  transition: border-color 0.2s;
}
.overload-mode-switch label:hover > span { border-color: var(--border-strong); }
.overload-mode-switch input:checked + span { border-color: var(--accent-line); }
.overload-mode-switch strong { font-family: var(--font-display); font-size: 21px; font-weight: 400; letter-spacing: 1.2px; }
.overload-mode-switch small { color: var(--text-muted); font-size: 12px; }

.overload-card { background: transparent; box-shadow: none; }
.overload-field-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.overload-field-wide { grid-column: span 2; }
.overload-field-grid .tool-hint { margin-top: 0; }
.overload-field-grid input,
.overload-exposure input {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: #1d1726;
  color: var(--text);
  font: 14px var(--font-body);
  outline: none;
}
.overload-field-grid input:focus,
.overload-exposure input:focus { border-color: var(--accent); }

.overload-unit { display: grid; grid-template-columns: 1fr 1fr; min-height: 50px; border: 1px solid var(--border-strong); border-radius: 12px; overflow: hidden; }
.overload-unit label { cursor: pointer; }
.overload-unit label + label { border-left: 1px solid var(--border-strong); }
.overload-unit input { position: absolute; opacity: 0; pointer-events: none; }
.overload-unit span { display: grid; height: 100%; place-items: center; color: var(--text-muted); font-family: var(--font-mono); font-size: 10px; letter-spacing: 1px; text-transform: uppercase; }
.overload-unit input:checked + span { background: var(--accent-dim); color: var(--text); }

.overload-intro-hint { margin: -8px 0 18px; }
.overload-sessions { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.overload-session,
.overload-condition { min-width: 0; padding: 22px; border: 1px solid var(--border); border-radius: 18px; }
.overload-session legend,
.overload-condition legend { display: flex; align-items: center; gap: 10px; padding: 0 8px; }
.overload-session legend span,
.overload-condition legend > span { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid var(--accent-line); border-radius: 50%; color: var(--accent); font-family: var(--font-mono); font-size: 8px; }
.overload-session legend strong,
.overload-condition legend strong { font-family: var(--font-display); font-size: 20px; font-weight: 400; letter-spacing: 1.2px; }
.overload-rep-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 10px; }
.overload-rep-grid label,
.overload-exposure label { display: grid; gap: 7px; }
.overload-rep-grid label > span,
.overload-exposure label > span { color: var(--text-muted); font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.8px; }
.overload-rep-grid input { width: 100%; min-width: 0; min-height: 46px; padding: 0 10px; border: 1px solid var(--border-strong); border-radius: 10px; background: #1d1726; color: var(--text); font: 14px var(--font-body); outline: none; }
.overload-rep-grid input:focus { border-color: var(--accent); }

.overload-equipment-label { margin: 24px 0 10px; }
.overload-bodyweight-sessions { display: grid; gap: 20px; }
.overload-condition legend { align-items: start; }
.overload-condition legend small { align-self: center; color: var(--text-muted); font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.8px; }
.overload-exposure-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.overload-exposure { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.overload-exposure h3 { grid-column: 1 / -1; color: var(--text-dim); font-family: var(--font-mono); font-size: 9px; font-weight: 400; letter-spacing: 1px; text-transform: uppercase; }

.overload-result {
  margin-top: 26px;
  background: var(--surface);
  box-shadow: none;
}
.overload-session-summary { display: grid; grid-template-columns: 1fr 1fr; margin: 28px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.overload-session-summary > div { display: grid; gap: 6px; padding: 18px 0; }
.overload-session-summary > div + div { padding-left: 20px; border-left: 1px solid var(--border); }
.overload-session-summary span { color: var(--text-muted); font-family: var(--font-mono); font-size: 8px; letter-spacing: 1.2px; }
.overload-session-summary strong { font-size: 14px; font-weight: 500; }

/* Skill readiness — one deliberate assessment, no score theatrics. */
.readiness-directory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.readiness-directory-card {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 18px;
  min-height: 205px;
  padding: 26px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: transparent;
  transition: border-color 0.2s;
}
.readiness-directory-card:hover { border-color: var(--accent-line); }
.readiness-directory-card > span {
  grid-row: span 2;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.2px;
}
.readiness-directory-card h2 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 400;
  letter-spacing: 1.7px;
  line-height: 1;
}
.readiness-directory-card p {
  grid-column: 2;
  align-self: end;
  max-width: 380px;
  color: var(--text-muted);
  font-size: 13px;
}
.readiness-directory-card b {
  grid-column: 2;
  align-self: end;
  margin-top: 14px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.readiness-shell { max-width: 980px; margin: 0 auto; }
.readiness-intro {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  margin-bottom: 28px;
  padding: 22px 0;
  border-block: 1px solid var(--border);
}
.readiness-intro > span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.4px;
}
.readiness-intro p { color: var(--text-dim); font-size: 14px; line-height: 1.65; }
.readiness-intro ul { grid-column: 2; display: grid; gap: 6px; padding-left: 16px; color: var(--text-muted); font-family: var(--font-mono); font-size: 10px; line-height: 1.55; }
.readiness-card { background: transparent; box-shadow: none; }

.readiness-safety {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  border: 0;
}
.readiness-safety legend {
  grid-column: 1 / -1;
  margin-bottom: 10px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
}
.readiness-safety label { cursor: pointer; }
.readiness-safety input { position: absolute; opacity: 0; pointer-events: none; }
.readiness-safety label > span {
  display: flex;
  align-items: center;
  min-height: 54px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-muted);
  font-size: 13px;
  transition: border-color 0.2s, color 0.2s;
}
.readiness-safety input:checked + span { border-color: var(--accent-line); color: var(--text); }
.readiness-safety label:last-child input:checked + span { border-color: rgba(255, 154, 107, 0.42); color: #ffb28f; }

.readiness-input-hint { margin: -8px 0 18px; }
.readiness-conditions { display: grid; gap: 18px; }
.readiness-condition { min-width: 0; padding: 20px; border: 1px solid var(--border); border-radius: 18px; }
.readiness-condition legend { display: flex; align-items: center; gap: 10px; padding: 0 8px; }
.readiness-condition legend > span { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid var(--accent-line); border-radius: 50%; color: var(--accent); font-family: var(--font-mono); font-size: 8px; }
.readiness-condition legend strong { font-family: var(--font-display); font-size: 21px; font-weight: 400; letter-spacing: 1.2px; }
.readiness-condition legend small { color: var(--text-muted); font-family: var(--font-mono); font-size: 8px; letter-spacing: .8px; }
.readiness-condition-inputs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
.readiness-condition-inputs label { display: grid; gap: 7px; }
.readiness-condition-inputs label > span { color: var(--text-muted); font-family: var(--font-mono); font-size: 9px; letter-spacing: .8px; }
.readiness-condition-inputs input,
.readiness-condition-inputs select {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: #1d1726;
  color: var(--text);
  font: 14px var(--font-body);
  outline: none;
}
.readiness-condition-inputs input:focus,
.readiness-condition-inputs select:focus { border-color: var(--accent); }
.readiness-result { margin-top: 26px; background: var(--surface); box-shadow: none; }
.readiness-result-header > span { display: inline-flex; margin-bottom: 14px; color: var(--accent); font-family: var(--font-mono); font-size: 9px; letter-spacing: 1.4px; }
.readiness-result-header h2 { max-width: 750px; font-family: var(--font-display); font-size: clamp(34px, 5vw, 52px); font-weight: 400; line-height: .98; letter-spacing: 2px; }
.readiness-result-header p { max-width: 720px; margin-top: 14px; color: var(--text-dim); font-size: 15px; line-height: 1.65; }
.readiness-result-header--safety > span { color: #ffb28f; }

@media (max-width: 900px) {
  .swap-layout { grid-template-columns: 1fr; }
  .overload-field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .readiness-intro { grid-template-columns: 1fr; gap: 10px; }
  .readiness-intro ul { grid-column: auto; }
}

@media (max-width: 720px) {
  .swap-search-row,
  .swap-recommendation-detail { grid-template-columns: 1fr; }
  .overload-mode-head { align-items: start; flex-direction: column; gap: 8px; }
  .overload-mode-head p { text-align: left; }
  .overload-mode-switch,
  .overload-sessions,
  .overload-exposure-grid { grid-template-columns: 1fr; }
  .readiness-directory-grid { grid-template-columns: 1fr; }
  .readiness-condition-inputs { grid-template-columns: 1fr 1fr; }
  .readiness-condition-inputs label:last-child { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .swap-reason-grid { grid-template-columns: 1fr; }
  .swap-reason--safety { grid-column: auto; }
  .swap-prescription-fields { grid-template-columns: 1fr; }
  .swap-source-line { grid-template-columns: 1fr auto 1fr; }
  .swap-source-line span { grid-row: 1; }
  .swap-source-line span:nth-of-type(2) { grid-column: 3; }
  .swap-source-line strong { grid-row: 2; }
  .swap-source-line i { grid-column: 2; grid-row: 1 / 3; }
  .overload-field-grid { grid-template-columns: 1fr; }
  .overload-field-wide { grid-column: auto; }
  .overload-exposure { grid-template-columns: 1fr; }
  .overload-condition legend { flex-wrap: wrap; }
  .overload-condition legend small { flex-basis: 100%; padding-left: 38px; }
  .overload-session-summary { grid-template-columns: 1fr; }
  .overload-session-summary > div + div { padding-left: 0; border-top: 1px solid var(--border); border-left: 0; }
  .readiness-directory-card { min-height: 180px; padding: 22px; }
  .readiness-safety { grid-template-columns: 1fr; }
  .readiness-condition legend { flex-wrap: wrap; }
  .readiness-condition legend small { flex-basis: 100%; padding-left: 38px; }
  .readiness-condition-inputs { grid-template-columns: 1fr; }
  .readiness-condition-inputs label:last-child { grid-column: auto; }
}

@media (max-width: 900px) {
  .tool-page-head { grid-template-columns: 1fr; }
  .tool-head-mark { display: none; }
  .finder-layout { grid-template-columns: 1fr; }
  .finder-rail { position: static; padding: 0; }
  .finder-rail-label { display: none; }
  .finder-rail ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .finder-rail li { display: flex; min-height: auto; gap: 7px; align-items: center; font-size: 8px; }
  .finder-rail li::after { display: none; }
  .finder-rail-num { flex: 0 0 24px; width: 24px; height: 24px; }
  .tool-equipment-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .tools-main { padding-top: 104px; padding-bottom: 70px; }
  .tools-hero { margin-bottom: 42px; }
  .tools-card-grid { grid-template-columns: 1fr; }
  .tools-card { min-height: 250px; }
  .tools-method { grid-template-columns: 1fr; gap: 24px; margin-top: 64px; }
  .finder-rail ol { grid-template-columns: repeat(2, 1fr); }
  .condition-inputs { grid-template-columns: 1fr 1fr; }
  .condition-inputs label:last-child { grid-column: 1 / -1; }
  .tool-education { grid-template-columns: 1fr; }
  .result-path { grid-template-columns: 1fr auto 1fr; }
  .result-path span { grid-row: 1; }
  .result-path span:nth-of-type(2) { grid-column: 3; }
  .result-path strong { grid-row: 2; }
  .result-path i { grid-column: 2; grid-row: 1 / 3; }
}

@media (max-width: 480px) {
  .tools-hero h1,
  .tool-page-head h1 { font-size: 48px; }
  .tools-card { padding: 24px; }
  .tool-equipment-grid { grid-template-columns: 1fr; }
  .finder-card { border-radius: 22px; }
  .condition-inputs { grid-template-columns: 1fr; }
  .condition-inputs label:last-child { grid-column: auto; }
  .finder-submit-row,
  .result-actions,
  .result-topline { align-items: stretch; flex-direction: column; }
  .result-actions .btn-primary { width: 100%; justify-content: center; }
  .result-condition { grid-template-columns: 28px 1fr; }
  .result-condition-state { grid-column: 2; }
}