/* PathSeed Protocol 9 — scoped shell; embedded applications own their styles. */
.ps-body {
    --ps-bg: #101c19; --ps-surface: #172621; --ps-text: #f0f2e8;
    --ps-muted: #b6c5bb; --ps-accent: #d2e9a7; --ps-line: #35483f;
    margin: 0; background: var(--ps-bg); color: var(--ps-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased;
}
.ps-hud { width: 100%; min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }
.ps-header, .ps-footer, .ps-hero, .ps-guide, .ps-faq, .ps-message, .ps-workspace { box-sizing: border-box; }
.ps-header { width: min(1280px, 100%); margin: 0 auto; padding: 24px 40px; display: flex; align-items: center; gap: 30px; border-bottom: 1px solid var(--ps-line); }
.ps-brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ps-accent); text-decoration: none; flex-shrink: 0; font-size: 18px; font-weight: 650; letter-spacing: .11em; line-height: 1.3; }
.ps-brand small { display: block; color: var(--ps-muted); font-size: 9px; letter-spacing: .3em; margin-top: 4px; }
.ps-nav { display: flex; flex-wrap: wrap; gap: 24px; margin-left: auto; align-items: center; }
.ps-nav a, .ps-footer a { color: var(--ps-muted); text-decoration: none; font-size: 14px; padding: 10px 0; }
.ps-nav a:hover, .ps-footer a:hover, .ps-nav a[aria-current], .ps-footer a[aria-current] { color: var(--ps-accent); text-decoration: underline; text-underline-offset: 6px; }
.ps-body .ps-button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; box-sizing: border-box; min-height: 52px; padding: 13px 22px; border: 1px solid var(--ps-accent); border-radius: 5px; background: var(--ps-accent); color: #19271e; font-size: 15px; line-height: 1.4; font-weight: 650; text-decoration: none; transition: background .15s, transform .15s; }
.ps-body .ps-button:hover { background: #e1f1c4; transform: translateY(-2px); }
.ps-body .ps-button-small { min-height: 44px; padding: 10px 16px; font-size: 13px; gap: 12px; }
.ps-main { flex: 1; min-width: 0; }
.ps-hero { display: grid; grid-template-columns: 1.08fr 1fr; gap: 60px; align-items: center; max-width: 1280px; margin: auto; padding: 76px 40px 84px; }
.ps-eyebrow { display: flex; align-items: center; gap: 10px; color: var(--ps-accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 11px; line-height: 1.7; letter-spacing: .09em; text-transform: uppercase; margin: 0 0 25px; }
.ps-seed-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ps-accent); flex-shrink: 0; }
.ps-hero h1, .ps-page-title, .ps-message h1 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; font-size: clamp(42px, 4.9vw, 68px); line-height: 1.09; letter-spacing: -.045em; margin: 0 0 26px; color: var(--ps-text); text-wrap: balance; overflow-wrap: anywhere; }
.ps-intro { color: var(--ps-muted); font-size: 18px; max-width: 480px; margin: 0; line-height: 1.75; }
.ps-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; margin-top: 32px; }
.ps-text-link { color: var(--ps-text); text-decoration: underline; text-underline-offset: 5px; font-size: 14px; display: inline-block; padding: 10px 0; }
.ps-text-link:hover { color: var(--ps-accent); }
.ps-hero-note { color: var(--ps-muted); font-size: 12px; margin: 20px 0 0; }
.ps-garden { min-width: 0; position: relative; aspect-ratio: .92; border: 1px solid var(--ps-line); border-radius: 160px 160px 8px 8px; overflow: hidden; background: radial-gradient(ellipse at 50% 40%, #314a38 0, #1b3025 35%, #15251e 75%); }
.ps-garden-grid { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(#6a806033 1px, transparent 1px), linear-gradient(90deg, #6a806033 1px, transparent 1px); background-size: 44px 44px; }
.ps-plant { display: block; width: 100%; height: 100%; position: absolute; inset: 0; filter: drop-shadow(0 20px 25px #030c0555); }
.ps-orbit { position: absolute; border: 1px solid #63785455; border-radius: 50%; width: 72%; aspect-ratio: 1; left: 14%; top: 13%; }
.ps-orbit-two { width: 90%; left: 5%; top: 5%; border-style: dashed; opacity: .4; }
.ps-garden-label { position: absolute; top: 34px; left: 0; right: 0; text-align: center; color: #c4d1b9; font: 9px ui-monospace, monospace; letter-spacing: .12em; }
.ps-garden-caption { position: absolute; inset: auto 24px 20px; display: flex; justify-content: space-between; color: #d3e0c6; font: 10px ui-monospace, monospace; letter-spacing: .08em; }
.ps-guide { padding: 55px 40px 65px; border-top: 1px solid var(--ps-line); max-width: 1280px; margin: auto; }
.ps-section-heading .ps-eyebrow { margin-bottom: 14px; }
.ps-guide h2, .ps-faq h2 { font: 400 clamp(30px, 3vw, 42px)/1.15 Georgia, serif; letter-spacing: -.03em; margin: 0; color: var(--ps-text); }
.ps-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 40px; }
.ps-steps article { border-top: 1px solid var(--ps-line); padding-top: 24px; }
.ps-step-number { color: var(--ps-accent); font: 10px ui-monospace, monospace; letter-spacing: .1em; }
.ps-steps h3 { font-size: 21px; font-weight: 500; color: var(--ps-text); margin: 15px 0 12px; }
.ps-steps p { font-size: 15px; color: var(--ps-muted); margin: 0; }
.ps-faq { max-width: 1280px; margin: auto; padding: 65px 40px 90px; border-top: 1px solid var(--ps-line); display: grid; grid-template-columns: 1fr 1.3fr; gap: 70px; }
.ps-faq .ps-eyebrow { margin-bottom: 12px; }
.ps-faq details { border-bottom: 1px solid var(--ps-line); }
.ps-faq summary { cursor: pointer; padding: 20px 4px; font-size: 16px; color: var(--ps-text); }
.ps-faq details p { color: var(--ps-muted); font-size: 15px; margin: 0 4px 22px; }
.ps-footer { width: min(1280px, 100%); margin: auto; border-top: 1px solid var(--ps-line); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding: 24px 40px; }
.ps-footer p { font-size: 11px; letter-spacing: .035em; margin: 0; color: var(--ps-accent); }
.ps-footer p span { color: var(--ps-muted); }
.ps-footer nav { display: flex; flex-wrap: wrap; gap: 24px; }
.ps-message { max-width: 720px; margin: 70px auto; padding: 36px 28px; }
.ps-message p { color: var(--ps-muted); }
.ps-message input { font: inherit; max-width: 100%; box-sizing: border-box; padding: 10px; }
.ps-message input[type="password"] { display: block; width: 100%; background: #f8f9f4; color: #172621; border: 1px solid #829780; border-radius: 4px; margin: 8px 0 16px; }
.ps-message input[type="submit"] { background: var(--ps-accent); color: #19271e; border: 0; border-radius: 4px; cursor: pointer; min-height: 44px; padding: 10px 24px; }
.ps-workspace { max-width: 1440px; margin: auto; padding: 28px 32px 56px; }
.ps-workspace-heading .ps-eyebrow { margin-bottom: 18px; }
.ps-content { min-width: 0; }
.ps-mode-minimal .ps-workspace { max-width: 880px; padding-top: 56px; }
.ps-page-title { font-size: clamp(36px, 5vw, 56px); }
.ps-page-content { max-width: 820px; margin: auto; padding: 0 28px 50px; }
.ps-page-content:empty { display: none; }
.ps-prose { color: var(--ps-text); overflow-wrap: anywhere; line-height: 1.85; }
.ps-prose :where(h2,h3,h4) { line-height: 1.3; color: var(--ps-text); margin-top: 1.7em; }
.ps-prose :where(a) { color: var(--ps-accent); text-underline-offset: 3px; }
.ps-prose :where(img,video,iframe) { max-width: 100%; }
.ps-prose :where(img,video) { height: auto; }
.ps-prose :where(pre) { overflow-x: auto; }
.ps-skip { position: fixed; top: 12px; left: 12px; z-index: 100000; transform: translateY(-200%); padding: 12px 20px; background: #d2e9a7; color: #19271e; border-radius: 3px; }
.ps-skip:focus { transform: none; }
.ps-body :where(a,button,input,textarea,select,summary,[tabindex]):focus-visible { outline: 3px solid #efcb89; outline-offset: 5px; }
@media (max-width: 1000px) {
    .ps-header { flex-wrap: wrap; gap: 20px; padding: 22px 28px; }
    .ps-header > .ps-button { margin-left: auto; }
    .ps-nav { order: 3; width: 100%; margin: 0; gap: 25px; }
    .ps-hero { gap: 28px; padding: 55px 28px; }
    .ps-hero h1 { font-size: clamp(40px, 5.4vw, 58px); }
    .ps-guide, .ps-faq { padding-left: 28px; padding-right: 28px; }
}
@media (max-width: 700px) {
    .ps-header { padding: 20px; gap: 16px; }
    .ps-brand { font-size: 15px; gap: 8px; }
    .ps-header > .ps-button { max-width: 52%; font-size: 12px; padding: 10px; gap: 8px; }
    .ps-nav { gap: 24px; }
    .ps-hero { grid-template-columns: 1fr; padding: 42px 20px; gap: 40px; }
    .ps-hero h1 { font-size: clamp(40px, 9vw, 60px); }
    .ps-intro { font-size: 17px; }
    .ps-eyebrow { font-size: 10px; }
    .ps-garden { max-width: 440px; width: 100%; margin: auto; aspect-ratio: 1.08; }
    .ps-garden-label { top: 25px; }
    .ps-guide { padding: 40px 20px; }
    .ps-steps { grid-template-columns: 1fr; gap: 28px; margin-top: 30px; }
    .ps-faq { grid-template-columns: 1fr; gap: 24px; padding: 40px 20px 56px; }
    .ps-footer { padding: 24px 20px; }
    .ps-workspace { padding: 20px 12px 36px; }
    .ps-mode-minimal .ps-workspace { padding: 40px 20px; }
    .ps-message { margin: 30px auto; padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
    .ps-body .ps-button { transition: none; }
    .ps-body .ps-button:hover { transform: none; }
}
@media print {
    .ps-body { background: white; color: black; }
    .ps-header, .ps-footer, .ps-garden, .ps-skip, .ps-actions { display: none; }
    .ps-hero, .ps-steps, .ps-faq { display: block; }
    .ps-body .ps-hud { --ps-text: #111; --ps-muted: #333; --ps-accent: #234b2f; }
}

.ps-tools { box-sizing: border-box; max-width: 1280px; margin: 0 auto 50px; padding: 55px 40px; display: grid; grid-template-columns: 1fr 1.3fr; gap: 70px; background: var(--ps-surface); border-block: 1px solid var(--ps-line); }
.ps-tools h2 { font: 400 clamp(30px, 3vw, 42px)/1.15 Georgia, serif; letter-spacing: -.03em; color: var(--ps-text); margin: 0 0 24px; }
.ps-tool-list { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.ps-tools h3 { margin: 0 0 10px; font-size: 18px; font-weight: 500; color: var(--ps-accent); }
.ps-tools p:not(.ps-eyebrow) { margin: 0; color: var(--ps-muted); font-size: 15px; }
@media (max-width: 700px) { .ps-tools { grid-template-columns: 1fr; gap: 28px; padding: 40px 20px; } .ps-tool-list { grid-template-columns: 1fr; } }

.ps-access-note { max-width: 480px; color: var(--ps-accent); font-size: 13px; line-height: 1.7; margin: 20px 0 0; }
@media (max-width: 360px) {
    .ps-header > .ps-button { max-width: none; margin-left: 0; width: 100%; }
}