/* Calculators share AquaJoy's blue, ink, Anton and Geist Mono system. */
.tools-page .wrap { max-width: 1040px; }
.tool-nav { display: flex; align-items: center; gap: 18px; font-size: 13px; }
.tool-nav a { padding-block: 12px; }
.tool-head { padding-block: 30px 24px; }
.breadcrumbs { font-size: 12px; margin: 0 0 24px; }
.tool-head h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.05; max-width: 850px; }
.tool-head .intro { max-width: 760px; margin: 18px 0 0; font-size: 16px; }
.tool-head .eyebrow { color: var(--blue-deep); margin-bottom: 14px; letter-spacing: .08em; }
.calculator { display: grid; grid-template-columns: 1fr 1fr; border: 3px solid var(--ink); }
.tool-form { padding: 28px; display: grid; align-content: start; gap: 20px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; font-weight: 700; }
.input-row { display: flex; gap: 8px; }
.input-row input { flex: 1; width: 100%; min-width: 0; }
.input-row select { max-width: 48%; }
.tool-form input, .tool-form select, .swap { border: 2px solid var(--ink); border-radius: 0; background: white; color: var(--ink); font: inherit; font-size: 16px; min-height: 48px; padding: 10px 12px; }
.tool-form select { width: 100%; }
.tool-form input[aria-invalid=true] { border-color: #a52323; }
.field small, .tool-form .fine { font-size: 12px; line-height: 1.6; }
.tool-form .fine { margin: 0; }
.swap { cursor: pointer; font-size: 14px; }
.swap:hover { background: var(--blue-pale); }
.preset-row { display: flex; flex-wrap: wrap; gap: 8px; }
.preset-row button { background: white; border: 2px solid var(--blue); color: var(--blue-deep); font: inherit; font-size: 13px; padding: 8px 12px; min-height: 44px; cursor: pointer; }
.preset-row button:hover { background: var(--blue-pale); }
.result-panel { background: var(--blue); color: white; padding: 28px; border-left: 3px solid var(--ink); display: flex; flex-direction: column; gap: 18px; }
.result-panel .eyebrow { letter-spacing: .08em; }
.result-value { font-family: var(--display); font-size: clamp(40px, 6vw, 62px); line-height: 1.1; overflow-wrap: anywhere; margin: 8px 0; }
.result-detail { font-size: 15px; margin: 0; }
.result-note { font-size: 13px; line-height: 1.7; margin: 0; }
.tool-cta { margin-top: auto; padding-top: 20px; border-top: 2px solid rgba(255,255,255,.5); }
.tool-cta p { font-size: 14px; margin: 0 0 14px; }
.tool-cta .btn { display: flex; justify-content: center; text-align: center; font-size: 13px; padding: 16px; letter-spacing: .02em; }
.tool-cta small { display: block; margin-top: 10px; font-size: 11px; }
.tool-body { padding-block: 40px 54px; max-width: 760px; }
.tool-body h2 { font-size: 30px; line-height: 1.15; margin: 32px 0 16px; }
.tool-body > section + section { margin-top: 32px; }
.tool-body h2 { margin-top: 0; }
.tool-body h3 { font-size: 22px; line-height: 1.2; margin: 24px 0 10px; }
.tool-body p, .tool-body li { font-size: 15px; }
.tool-body .formula { background: var(--blue-pale); border-left: 3px solid var(--blue); padding: 16px; overflow-wrap: anywhere; }
.tool-body table { width: 100%; border-collapse: collapse; font-size: 14px; }
.tool-body th, .tool-body td { text-align: left; border-bottom: 1px solid #ccc; padding: 10px; }
.tool-body details { border-top: 2px solid var(--ink); }
.tool-body details:last-of-type { border-bottom: 2px solid var(--ink); }
.tool-body summary { padding: 18px 0; font-size: 15px; font-weight: 700; cursor: pointer; }
.tool-body details p { margin: 0 0 18px; }
.reviewed { color: var(--ink-soft); font-size: 12px !important; }
.tool-links { display: flex; flex-wrap: wrap; gap: 14px 24px; padding: 0; list-style: none; }
.tool-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; padding-bottom: 50px; }
.tool-card { display: flex; flex-direction: column; gap: 16px; padding: 24px; border: 3px solid var(--ink); text-decoration: none; color: var(--ink); }
.tool-card:hover { background: var(--blue-pale); color: var(--ink); }
.tool-card h2 { font-size: 28px; line-height: 1.1; }
.tool-card p { font-size: 14px; margin: 0; }
.tool-card span { margin-top: auto; font-size: 13px; font-weight: 700; color: var(--blue-deep); }
@media(max-width: 700px) {
  .tools-page { padding-bottom: 92px; }
  .calculator { grid-template-columns: 1fr; }
  .result-panel { border-left: 0; border-top: 3px solid var(--ink); }
  .tool-form, .result-panel { padding: 18px; }
  .tool-form { gap: 14px; }
  .tool-form .fine { font-size: 11px; line-height: 1.5; }
  .tool-nav { gap: 12px; font-size: 12px; }
  .tools-page .brand { font-size: 22px; gap: 8px; }
  .tools-page .brand img { width: 30px; height: 30px; }
  .tool-head { padding-block: 24px; }
  .tool-head .intro { font-size: 14px; margin-top: 14px; }
  .breadcrumbs { margin-bottom: 16px; }
  .tool-head .eyebrow { margin-bottom: 10px; }
  .tool-cards { grid-template-columns: 1fr; }
  .result-value { font-size: 48px; }
  .tool-cta .btn { position: fixed; bottom: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); left: 20px; right: 20px; z-index: 30; max-width: 600px; margin-inline: auto; border: 3px solid var(--ink); box-shadow: 4px 4px 0 var(--ink); }
}