@font-face { font-family: "Space Grotesk"; src: url("/assets/space-grotesk-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url("/assets/space-grotesk-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url("/assets/space-grotesk-700.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Sora"; src: url("/assets/sora-700.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }

:root { color-scheme: light; --navy: #071f28; --navy-light: #103640; --ink: #172229; --muted: #536269; --accent: #2eb9b1; --accent-dark: #0d6965; --accent-light: #dff4f1; --surface: #edf3f2; --white: #fff; --line: #a9b9b9; --focus: #ffbf47; --control-radius: .55rem; font-family: "Space Grotesk", "Segoe UI", sans-serif; font-size-adjust: from-font; background: var(--surface); color: var(--ink); line-height: 1.5; font-synthesis: none; }
* { box-sizing: border-box; }
html, body { overflow-x: clip; }
[hidden] { display: none !important; }
body { min-block-size: 100dvh; margin: 0; background: var(--surface); }
button, input, textarea, summary { font: inherit; }
main { min-inline-size: 0; }

.eyebrow { margin: 0 0 .25rem; color: var(--accent-dark); font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
h1, h2, h3, h4 { font-family: "Sora", "Space Grotesk", sans-serif; font-weight: 700; letter-spacing: -.035em; }
.practice-stage { padding: clamp(2rem, 5vw, 4.5rem) 1rem; background: var(--navy); background-image: radial-gradient(circle at 50% 0%, rgb(46 185 177 / 13%), transparent 35rem); }
.practice-card { inline-size: min(100%, 36rem); margin-inline: auto; padding: clamp(1.25rem, 4vw, 2rem); border: 1px solid #6f8588; border-block-start: .4rem solid var(--accent); border-radius: .75rem; background: var(--white); box-shadow: 0 1.25rem 3rem rgb(0 0 0 / 24%); }
.card-heading { display: flex; align-items: center; gap: .9rem; }
.card-heading img { flex: 0 0 auto; border-radius: .65rem; }
h1 { margin: 0; font-size: clamp(1.9rem, 5vw, 2.5rem); line-height: 1.05; }
.intro { margin: 1rem 0; color: var(--muted); }

.extension-status { display: flex; min-block-size: 2.55rem; align-items: center; gap: .55rem; margin: 1rem 0 0; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: .35rem; background: var(--surface); color: var(--muted); font-size: .76rem; }
.extension-status span { inline-size: .65rem; block-size: .65rem; flex: 0 0 auto; border-radius: 50%; background: #777; }
.extension-status[data-state="installed"] { border-color: #7aafa8; background: var(--accent-light); color: var(--accent-dark); }
.extension-status[data-state="installed"] span { background: var(--accent); box-shadow: 0 0 0 .22rem rgb(46 185 177 / 15%); }
.extension-status[data-state="missing"] { border-color: #c88772; background: #fff1ec; color: #733722; }
.extension-status[data-state="missing"] span { background: #b64b2a; }

.install-panel { margin: .7rem 0 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: .55rem; background: #f7faf9; }
.install-panel h2 { margin: .55rem 0 .35rem; font-size: 1.25rem; line-height: 1.2; }
.install-panel > p:not(.availability-badge) { margin: 0 0 .85rem; color: var(--muted); font-size: .8rem; }
.availability-badge { display: inline-flex; align-items: center; gap: .4rem; inline-size: fit-content; margin: 0; padding: .25rem .5rem; border: 1px solid var(--line); border-radius: 999px; background: var(--accent-light); color: var(--accent-dark); font-size: .68rem; font-weight: 700; line-height: 1.2; }
.availability-badge span { inline-size: .45rem; block-size: .45rem; border-radius: 50%; background: var(--accent); }
.install-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.download-link, .notes-link { display: inline-flex; min-block-size: 2.75rem; align-items: center; justify-content: center; padding: .62rem .85rem; border: 2px solid var(--accent-dark); border-radius: .35rem; text-align: center; text-decoration: none; font-size: .78rem; font-weight: 700; }
.download-link { background: var(--accent-dark); color: var(--white); }
.download-link:hover { border-color: var(--navy); background: var(--navy); }
.notes-link { color: var(--accent-dark); }
.notes-link:hover { background: var(--accent-light); }

.quick-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .45rem; margin: 0 0 1.25rem; padding: 0; list-style: none; }
.quick-steps li { display: flex; min-inline-size: 0; align-items: center; gap: .45rem; padding: .55rem; border-radius: .35rem; background: var(--surface); font-size: .76rem; line-height: 1.25; }
.quick-steps span { display: grid; flex: 0 0 1.35rem; block-size: 1.35rem; place-items: center; border-radius: 50%; background: var(--accent-dark); color: var(--white); font-size: .68rem; font-weight: 700; }
.test-fields { display: grid; gap: 1rem; }
.field-group { min-inline-size: 0; }
.field-heading { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-block-end: .35rem; }
.field-heading label { font-size: .84rem; font-weight: 700; }
input, textarea { display: block; inline-size: 100%; min-block-size: 3.1rem; border: 1px solid #6f8081; border-radius: var(--control-radius); padding: .72rem .78rem; background: var(--white); color: var(--ink); font-size: 1rem; }
textarea { min-block-size: 5rem; resize: vertical; }
input:focus, textarea:focus, button:focus-visible, summary:focus-visible, a:focus-visible { outline: 4px solid var(--focus); outline-offset: 2px; }
.password-control { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: stretch; overflow: hidden; border: 1px solid #6f8081; border-radius: var(--control-radius); background: var(--white); }
.password-control:focus-within { outline: 4px solid var(--focus); outline-offset: 2px; }
.password-control input { min-inline-size: 0; border: 0; border-radius: 0; }
.password-control input:focus { outline: none; }
.visibility { display: flex; min-inline-size: 5.2rem; align-items: center; justify-content: center; gap: .45rem; padding: .35rem .7rem; border: 0; border-inline-start: 1px solid var(--line); border-radius: 0; background: #f7faf9; color: var(--accent-dark); font-size: .8rem; font-weight: 700; cursor: pointer; }
.password-control .visibility:focus-visible { outline-offset: -4px; }
.visibility:hover { background: var(--accent-light); }
.visibility img { inline-size: 1.05rem; block-size: 1.05rem; }
.visibility img[hidden] { display: none; }
.field-guidance { margin: .35rem 0 0; color: var(--muted); font-size: .72rem; }
.field-tip { position: relative; }
.field-tip summary { display: grid; inline-size: 1.5rem; block-size: 1.5rem; place-items: center; border: 1px solid var(--accent-dark); border-radius: 50%; color: var(--accent-dark); font-size: .72rem; font-weight: 700; cursor: pointer; list-style: none; }
.field-tip summary::-webkit-details-marker { display: none; }
.field-tip[open] summary { background: var(--accent-dark); color: var(--white); }
.tooltip { position: absolute; z-index: 3; inset-block-start: calc(100% + .45rem); inset-inline-end: 0; inline-size: min(17rem, calc(100vw - 3rem)); padding: .7rem .8rem; border: 1px solid var(--line); border-radius: .4rem; background: var(--white); box-shadow: 0 .5rem 1.5rem rgb(7 31 40 / 18%); color: var(--muted); font-size: .76rem; font-weight: 400; }
.tooltip strong, .tooltip span { display: block; }
.tooltip strong { margin-block-end: .2rem; color: var(--ink); }
.safety-note { margin: 1.2rem 0 0; padding: .75rem .85rem; border-inline-start: .25rem solid var(--accent-dark); border-radius: var(--control-radius); background: var(--accent-light); font-size: .78rem; }

.protocol-section { inline-size: min(72rem, calc(100% - 2rem)); margin-inline: auto; padding-block: clamp(4rem, 7vw, 6.5rem); }
.protocol-heading { display: grid; justify-items: center; text-align: center; }
.protocol-heading h2 { max-inline-size: 18ch; margin: .2rem 0 .85rem; font-size: clamp(2rem, 5vw, 3.8rem); line-height: 1.02; }
.protocol-heading h2 code { color: var(--accent-dark); font: inherit; }
.protocol-heading > p:last-child { max-inline-size: 50rem; margin: 0; color: var(--muted); font-size: 1.02rem; text-wrap: pretty; }
.protocol-heading code, .trace code { min-inline-size: 0; font-family: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace; overflow-wrap: anywhere; }
.protocol-heading code { color: var(--accent-dark); font-size: .9em; }
.protocol-phases { margin-block-start: 2.25rem; border: 1px solid var(--line); background: var(--white); }
.protocol-phase + .protocol-phase { border-block-start: 1px solid var(--line); }
.phase-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding: .75rem 1rem; background: var(--navy); color: var(--white); }
.phase-heading h3 { margin: 0; font-size: 1rem; }
.phase-heading p { margin: 0; color: #a9d8d5; font-size: .76rem; }
.protocol-flow { display: grid; grid-template-columns: 1fr; margin: 0; padding: 0; list-style: none; }
.protocol-flow > li { display: grid; min-inline-size: 0; grid-template-columns: 2rem minmax(9.5rem, .55fr) minmax(0, 1.45fr) minmax(11rem, .75fr); gap: .75rem 1rem; align-items: start; padding: 1rem; background: var(--white); }
.protocol-flow > li + li { border-block-start: 1px solid #d3dedd; }
.stage-number { display: grid; inline-size: 2rem; block-size: 2rem; place-items: center; border-radius: 50%; background: var(--accent-light); color: var(--accent-dark); font-size: .72rem; font-weight: 700; }
.stage-heading { min-inline-size: 0; }
.stage-owner { margin: 0 0 .25rem; color: var(--accent-dark); font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.protocol-flow h4 { margin: 0; font-size: 1rem; line-height: 1.2; }
.protocol-flow li > p { margin: 0; color: var(--muted); font-size: .84rem; text-wrap: pretty; }
.protocol-flow li code { color: var(--ink); font-size: .82em; }
.trace { display: grid; min-inline-size: 0; gap: .2rem; padding: .6rem .7rem; border-inline-start: .2rem solid var(--accent); background: var(--surface); }
.trace span { color: var(--accent-dark); font-size: .64rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.trace code { color: var(--ink); font-size: .72rem; }
.protocol-footnote { max-inline-size: 62rem; margin: 1.25rem auto 0; color: var(--muted); font-size: .82rem; text-align: center; }

footer { display: grid; justify-items: center; gap: .4rem; padding: 1.5rem 1rem max(2rem, env(safe-area-inset-bottom)); border-block-start: 1px solid var(--line); background: var(--white); color: var(--muted); font-size: .74rem; text-align: center; }
.footer-copy { display: flex; flex-wrap: wrap; justify-content: center; gap: .15rem .4rem; margin: 0; text-wrap: balance; }
.footer-copy span { white-space: nowrap; }
footer nav { display: flex; justify-content: center; gap: 1rem; }
footer a { color: var(--accent-dark); text-underline-offset: .15em; }

@media (max-width: 960px) {
  .protocol-flow > li { grid-template-columns: 2rem minmax(9rem, .65fr) minmax(0, 1.35fr); }
  .trace { grid-column: 2 / -1; }
}

@media (max-width: 560px) {
  .practice-stage { padding: 1rem; }
  .practice-card { padding: 1.15rem; }
  .card-heading { align-items: flex-start; }
  .card-heading img { inline-size: 44px; block-size: 44px; }
  .quick-steps { grid-template-columns: 1fr; }
  .quick-steps li { padding: .45rem .55rem; }
  .install-actions { display: grid; }
  .download-link, .notes-link { inline-size: 100%; }
  .protocol-section { inline-size: min(100% - 2rem, 36rem); padding-block: 3.5rem; }
  .phase-heading { display: grid; gap: .1rem; }
  .protocol-flow > li { grid-template-columns: 2rem minmax(0, 1fr); padding: 1rem .85rem; }
  .stage-heading { grid-column: 2; }
  .protocol-flow li > p, .trace { grid-column: 2; }
  .footer-copy { display: grid; gap: .1rem; }
}

@media (pointer: coarse) {
  .download-link, .notes-link, .visibility, .field-tip summary { min-block-size: 3rem; }
  .field-tip summary { min-inline-size: 3rem; }
}

@supports not (font-size-adjust: from-font) {
  :root { line-height: 1.5; }
  h1, h2, h3, h4 { line-height: 1.08; }
}