:root {
  --text-xs: clamp(0.875rem, 0.84rem + 0.2vw, 0.9375rem);
  --text-sm: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(2.5rem, 1rem + 4.5vw, 4.75rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px; --radius-xl: 24px; --radius-full: 999px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-interactive: 180ms var(--ease);

  --font-display: 'Montserrat', 'Helvetica Neue', sans-serif;
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;
  --content: 1160px;
}

/* Dark (brand default: black + sky blue + silver) */
[data-theme='dark'] {
  --color-bg: oklch(0.14 0.012 240);
  --color-surface: oklch(0.18 0.014 240);
  --color-surface-2: oklch(0.22 0.016 240);
  --color-border: oklch(0.85 0.02 230 / 0.12);
  --color-border-strong: oklch(0.85 0.02 230 / 0.24);
  --color-text: oklch(0.96 0.005 230);
  --color-text-muted: oklch(0.80 0.012 225);
  --color-text-faint: oklch(0.66 0.012 225);
  --color-primary: #39b7ea;
  --color-primary-hover: #6fd0f6;
  --color-on-primary: #03141d;
  --color-silver: #c7d1d3;
  --color-error: oklch(0.75 0.15 25);
  --shadow-lg: 0 24px 60px oklch(0 0 0 / 0.45);
  --glow: oklch(0.73 0.13 230 / 0.16);
  color-scheme: dark;
}

[data-theme='light'] {
  --color-bg: oklch(0.985 0.004 230);
  --color-surface: #ffffff;
  --color-surface-2: oklch(0.955 0.008 230);
  --color-border: oklch(0.3 0.03 240 / 0.12);
  --color-border-strong: oklch(0.3 0.03 240 / 0.24);
  --color-text: oklch(0.2 0.02 245);
  --color-text-muted: oklch(0.42 0.02 240);
  --color-text-faint: oklch(0.52 0.015 240);
  --color-primary: #0b74a3;
  --color-primary-hover: #075d84;
  --color-on-primary: #ffffff;
  --color-silver: #6b7a80;
  --color-error: oklch(0.52 0.18 25);
  --shadow-lg: 0 24px 60px oklch(0.3 0.04 240 / 0.12);
  --glow: oklch(0.73 0.13 230 / 0.14);
  color-scheme: light;
}

body { font-weight: 400; }
.container { width: min(100% - 2 * var(--space-5), var(--content)); margin-inline: auto; }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.02em; }
h2 { font-size: var(--text-xl); font-weight: 700; }
h3 { font-size: var(--text-lg); font-weight: 600; letter-spacing: -0.01em; }
a { color: var(--color-primary); text-underline-offset: 3px; }
a:hover { color: var(--color-primary-hover); }

.skip-link { position: absolute; left: -9999px; top: var(--space-2); background: var(--color-primary); color: var(--color-on-primary); padding: var(--space-2) var(--space-4); border-radius: var(--radius-sm); z-index: 100; }
.skip-link:focus { left: var(--space-4); }

.eyebrow { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-primary); margin-bottom: var(--space-4); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: 48px; padding: 0 var(--space-6); border-radius: var(--radius-full); font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); text-decoration: none; border: 1px solid transparent; }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover { background: var(--color-primary-hover); color: var(--color-on-primary); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { border-color: var(--color-border-strong); color: var(--color-text); background: transparent; }
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-lg { min-height: 56px; padding: 0 var(--space-8); font-size: var(--text-base); }
.btn-block { width: 100%; }
.btn[aria-busy='true'] { opacity: 0.7; pointer-events: none; }
.text-btn { margin-top: var(--space-8); color: var(--color-text-muted); text-decoration: underline; text-underline-offset: 3px; font-size: var(--text-sm); }
.text-btn:hover { color: var(--color-primary); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: oklch(from var(--color-bg) l c h / 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.brand img { width: 40px; height: auto; }
.brand-word { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.12em; font-size: 1rem; }
.brand-rize { color: var(--color-primary); }
.brand-virtual { color: var(--color-silver); }
.header-actions { display: flex; align-items: center; gap: var(--space-3); }
.header-link { font-family: var(--font-display); font-weight: 600; font-size: var(--text-sm); color: var(--color-text); text-decoration: none; padding: var(--space-2) var(--space-3); }
.header-link:hover { color: var(--color-primary); }
.theme-toggle { width: 44px; height: 44px; display: grid; place-items: center; border-radius: var(--radius-full); color: var(--color-text-muted); }
.theme-toggle:hover { color: var(--color-primary); background: var(--color-surface-2); }

/* Hero */
.hero { position: relative; padding-block: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-12); overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: -20% -10% auto auto; width: 60vw; height: 60vw; max-width: 760px; max-height: 760px; background: radial-gradient(circle, var(--glow), transparent 65%); pointer-events: none; }
.hero-grid { position: relative; display: grid; gap: var(--space-12); align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.45fr 1fr; } }
.hero h1 { font-size: var(--text-hero); font-weight: 800; line-height: 1.04; letter-spacing: -0.035em; max-width: 14ch; }
.lede { margin-top: var(--space-6); font-size: var(--text-base); color: var(--color-text-muted); max-width: 54ch; }
.hero-cta { margin-top: var(--space-8); display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4) var(--space-6); }
.hero-note { font-size: var(--text-sm); color: var(--color-text-faint); }

.hero-card { background: linear-gradient(160deg, var(--color-surface-2), var(--color-surface)); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-8); box-shadow: var(--shadow-lg); }
.stat-ring { position: relative; width: 132px; height: 132px; }
.stat-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.stat-ring circle { fill: none; stroke-width: 10; }
.ring-bg { stroke: var(--color-border-strong); }
.ring-fg { stroke: var(--color-primary); stroke-linecap: round; }
.stat-num { position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--font-display); font-weight: 800; font-size: 2rem; letter-spacing: -0.03em; }
.stat-copy { margin-top: var(--space-6); font-size: var(--text-base); }
.stat-copy strong { color: var(--color-primary); font-weight: 600; }
.stat-src { margin-top: var(--space-3); font-size: var(--text-xs); color: var(--color-text-faint); }

.leak-strip { position: relative; margin-top: clamp(var(--space-12), 6vw, var(--space-20)); display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-3); }
.leak-chip { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-4) var(--space-5); border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--color-text-muted); }
.chip-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); flex: none; }

/* Calculator */
.calc-section { padding-block: var(--space-12) clamp(var(--space-16), 8vw, var(--space-24)); scroll-margin-top: 72px; }
.calc-shell { max-width: 820px; margin-inline: auto; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: clamp(var(--space-6), 4vw, var(--space-12)); box-shadow: var(--shadow-lg); }
.calc-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-4); }
.calc-head h2 { font-size: var(--text-lg); }
.calc-step-label { font-size: var(--text-sm); color: var(--color-text-faint); font-variant-numeric: tabular-nums; white-space: nowrap; }
.progress { margin-top: var(--space-4); height: 6px; border-radius: var(--radius-full); background: var(--color-surface-2); overflow: hidden; }
.progress-bar { display: block; height: 100%; width: 14%; background: var(--color-primary); border-radius: inherit; transition: width 400ms var(--ease); }

.calc-form { margin-top: var(--space-8); }
.step { border: 0; display: none; }
.step.is-active { display: block; animation: stepIn 380ms var(--ease); }
@keyframes stepIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.step legend { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); letter-spacing: -0.02em; line-height: 1.2; margin-bottom: var(--space-6); max-width: 28ch; }
.hint { margin-top: var(--space-4); font-size: var(--text-sm); color: var(--color-text-faint); }
.step-hint { margin-top: calc(-1 * var(--space-3)); margin-bottom: var(--space-6); }

.option-grid { display: grid; gap: var(--space-3); }
@media (min-width: 640px) { .option-grid { grid-template-columns: 1fr 1fr; } .option-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }
.option { position: relative; display: flex; cursor: pointer; }
.option input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.option span { flex: 1; display: block; padding: var(--space-4) var(--space-5); min-height: 64px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.4; transition: border-color var(--transition-interactive), background var(--transition-interactive), color var(--transition-interactive); }
.option span strong { color: var(--color-text); font-weight: 600; }
.option:hover span { border-color: var(--color-primary); }
.option input:checked + span { border-color: var(--color-primary); background: oklch(from var(--color-primary) l c h / 0.12); color: var(--color-text); box-shadow: inset 0 0 0 1px var(--color-primary); }
.option input:focus-visible + span { outline: 2px solid var(--color-primary); outline-offset: 3px; }

.range-field { display: grid; gap: var(--space-3); }
.two-range { display: grid; gap: var(--space-8); }
.range-label { font-size: var(--text-sm); color: var(--color-text-muted); }
.range-value { font-family: var(--font-display); font-weight: 700; font-size: var(--text-2xl); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; color: var(--color-primary); }
.two-range .range-value { font-size: var(--text-xl); }
.range-scale { display: flex; justify-content: space-between; font-size: var(--text-xs); color: var(--color-text-faint); }
input[type='range'] { -webkit-appearance: none; appearance: none; width: 100%; height: 44px; background: transparent; cursor: pointer; }
input[type='range']::-webkit-slider-runnable-track { height: 6px; border-radius: var(--radius-full); background: linear-gradient(to right, var(--color-primary) var(--fill, 50%), var(--color-surface-2) var(--fill, 50%)); }
input[type='range']::-moz-range-track { height: 6px; border-radius: var(--radius-full); background: var(--color-surface-2); }
input[type='range']::-moz-range-progress { height: 6px; border-radius: var(--radius-full); background: var(--color-primary); }
input[type='range']::-webkit-slider-thumb { -webkit-appearance: none; width: 26px; height: 26px; margin-top: -10px; border-radius: 50%; background: var(--color-text); border: 4px solid var(--color-primary); }
input[type='range']::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--color-text); border: 4px solid var(--color-primary); }

.calc-nav { margin-top: var(--space-8); display: flex; justify-content: space-between; gap: var(--space-3); }
.form-error { margin-top: var(--space-4); color: var(--color-error); font-size: var(--text-sm); }

/* Results */
.results { margin-top: var(--space-8); animation: stepIn 420ms var(--ease); }
.result-total { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-3); font-family: var(--font-display); font-weight: 800; font-size: var(--text-hero); line-height: 1; letter-spacing: -0.04em; color: var(--color-primary); font-variant-numeric: tabular-nums; }
.per-year { font-size: var(--text-lg); font-weight: 600; color: var(--color-text-muted); letter-spacing: 0; }
.result-sub { margin-top: var(--space-5); color: var(--color-text-muted); }
.result-sub strong { color: var(--color-text); font-weight: 600; }

.breakdown { margin-top: var(--space-8); display: grid; gap: var(--space-4); position: relative; }
.breakdown.is-locked { filter: blur(6px); user-select: none; pointer-events: none; opacity: 0.7; }
.bd-row { display: grid; grid-template-columns: 1fr auto; grid-template-areas: 'name val' 'bar bar'; gap: var(--space-2) var(--space-4); align-items: center; }
.bd-name { grid-area: name; font-size: var(--text-sm); }
.bd-val { grid-area: val; font-family: var(--font-display); font-weight: 700; font-variant-numeric: tabular-nums; }
.bd-bar { grid-area: bar; height: 10px; background: var(--color-surface-2); border-radius: var(--radius-full); overflow: hidden; }
.bd-bar i { display: block; height: 100%; width: 0; background: var(--color-primary); border-radius: inherit; transition: width 900ms var(--ease); }

.gate { margin-top: var(--space-8); padding: clamp(var(--space-5), 3vw, var(--space-8)); border: 1px solid var(--color-primary); border-radius: var(--radius-lg); background: oklch(from var(--color-primary) l c h / 0.06); }
.gate p { margin-top: var(--space-2); color: var(--color-text-muted); font-size: var(--text-sm); }
.gate-form { margin-top: var(--space-6); display: grid; gap: var(--space-4); }
.field-row { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: var(--space-2); font-size: var(--text-sm); color: var(--color-text-muted); }
.req { color: var(--color-primary); font-style: normal; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); border: 1px solid var(--color-border-strong); background: var(--color-bg); color: var(--color-text); font-size: var(--text-base); }
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.25); }
.field input[aria-invalid='true'] { border-color: var(--color-error); }
.fine { font-size: var(--text-xs); color: var(--color-text-faint); }

.unlocked { margin-top: var(--space-10); }
.fix-list { margin-top: var(--space-5); display: grid; gap: var(--space-4); counter-reset: fix; list-style: none; }
.fix-list li { counter-increment: fix; display: grid; grid-template-columns: 40px 1fr; gap: var(--space-4); padding: var(--space-5); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg); }
.fix-list li::before { content: counter(fix); width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: oklch(from var(--color-primary) l c h / 0.15); color: var(--color-primary); font-family: var(--font-display); font-weight: 700; }
.fix-list h4 { font-family: var(--font-display); font-size: var(--text-base); font-weight: 600; }
.fix-list p { margin-top: var(--space-1); font-size: var(--text-sm); color: var(--color-text-muted); }
.fix-amt { color: var(--color-primary); font-weight: 600; }

.call-card { margin-top: var(--space-8); display: grid; gap: var(--space-5); align-items: center; padding: clamp(var(--space-5), 3vw, var(--space-8)); border-radius: var(--radius-lg); background: linear-gradient(135deg, oklch(from var(--color-primary) l c h / 0.18), oklch(from var(--color-primary) l c h / 0.04)); border: 1px solid var(--color-border-strong); }
@media (min-width: 720px) { .call-card { grid-template-columns: 1fr auto; } }
.call-card p { margin-top: var(--space-2); color: var(--color-text-muted); font-size: var(--text-sm); }
.call-form { margin-top: var(--space-6); display: grid; gap: var(--space-4); padding: clamp(var(--space-5), 3vw, var(--space-8)); border: 1px solid var(--color-border-strong); border-radius: var(--radius-lg); }
.call-form .calc-nav { margin-top: var(--space-2); }
.call-done { margin-top: var(--space-6); padding: var(--space-6); border-radius: var(--radius-lg); border: 1px solid var(--color-primary); }
.call-done p { margin-top: var(--space-2); color: var(--color-text-muted); }

/* Method */
.method { padding-block: clamp(var(--space-16), 8vw, var(--space-24)); border-top: 1px solid var(--color-border); }
.method-grid { display: grid; gap: var(--space-10); }
@media (min-width: 900px) { .method-grid { grid-template-columns: 1fr 1.4fr; gap: var(--space-16); } }
.method-grid > div > p:not(.eyebrow) { margin-top: var(--space-5); color: var(--color-text-muted); }
.assumptions { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .assumptions { grid-template-columns: 1fr 1fr; } }
.assumptions article { padding: var(--space-6); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
.assumptions h3 { font-size: var(--text-base); color: var(--color-primary); }
.assumptions p { margin-top: var(--space-2); font-size: var(--text-sm); color: var(--color-text-muted); }

/* About */
.about { padding-block: clamp(var(--space-12), 6vw, var(--space-20)); background: var(--color-surface); border-block: 1px solid var(--color-border); }
.about-inner { display: grid; gap: var(--space-8); align-items: center; }
@media (min-width: 720px) { .about-inner { grid-template-columns: 180px 1fr; gap: var(--space-12); } }
.about img { width: 160px; height: auto; }
.about p { margin-top: var(--space-4); color: var(--color-text-muted); }
.about .btn { margin-top: var(--space-6); }

.site-footer { padding-block: var(--space-10); }
.footer-inner { display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-8); justify-content: space-between; font-size: var(--text-sm); color: var(--color-text-faint); }

/* Admin */
.admin { position: fixed; inset: 0; z-index: 200; background: oklch(0 0 0 / 0.6); display: grid; place-items: start center; overflow-y: auto; padding: var(--space-8) var(--space-4); }
.admin[hidden] { display: none; }
.admin-panel { width: min(100%, 1040px); background: var(--color-surface); border: 1px solid var(--color-border-strong); border-radius: var(--radius-xl); padding: clamp(var(--space-5), 3vw, var(--space-10)); }
.admin-head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); }
.admin-login { margin-top: var(--space-6); display: grid; gap: var(--space-4); max-width: 360px; }
.admin-body h3 { margin-top: var(--space-8); margin-bottom: var(--space-3); font-size: var(--text-base); }
.admin-body > .btn { margin-top: var(--space-6); }
.funnel { margin-top: var(--space-6); display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--space-3); }
.funnel div { padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg); }
.funnel b { display: block; font-family: var(--font-display); font-size: var(--text-xl); font-variant-numeric: tabular-nums; }
.funnel span { font-size: var(--text-xs); color: var(--color-text-faint); }
.funnel em { display: block; font-style: normal; font-size: var(--text-xs); color: var(--color-primary); margin-top: var(--space-1); }
.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.table-wrap table { font-size: var(--text-xs); }
.table-wrap th, .table-wrap td { text-align: left; padding: var(--space-3); border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.table-wrap th { color: var(--color-text-faint); font-weight: 500; }
.table-wrap td.empty { color: var(--color-text-faint); text-align: center; white-space: normal; }
@media (max-width: 600px) { .header-link { display: none; } }

[hidden] { display: none !important; }
.owner-link { color: var(--color-text-faint); text-decoration: underline; text-underline-offset: 3px; font-size: inherit; margin-left: var(--space-2); }
.owner-link:hover { color: var(--color-primary); }

/* FAQ */
.faq { padding-block: clamp(var(--space-16), 8vw, var(--space-24)); border-top: 1px solid var(--color-border); scroll-margin-top: 72px; }
.faq-grid { display: grid; gap: var(--space-10); }
@media (min-width: 900px) { .faq-grid { grid-template-columns: 1fr 1.6fr; gap: var(--space-16); } .faq-intro { position: sticky; top: 100px; align-self: start; } }
.faq-intro > p:not(.eyebrow) { margin-top: var(--space-5); color: var(--color-text-muted); }
.faq-intro .updated { font-size: var(--text-xs); color: var(--color-text-faint); }
.faq-list { display: grid; gap: var(--space-4); }
.faq-item { padding: var(--space-6); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
.faq-item h3 { font-size: var(--text-base); }
.faq-item p { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); }
.faq-item .faq-src { font-size: var(--text-xs); color: var(--color-text-faint); }
@media (max-width: 600px) { .header-link[href="#faq"] { display: none; } }

/* Spam trap: hidden from people, visible to bots */
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Match the main site's raised, pressable buttons in either theme. */
button:not(.btn){background-color:var(--color-surface-2);border-radius:var(--radius-sm,6px)}
:is(.btn,button,input[type="submit"],input[type="button"],[role="button"]){
  --button-edge:color-mix(in srgb,var(--color-text) 25%,var(--color-bg));
  background-image:linear-gradient(180deg,#ffffff20,#ffffff00 48%,#00000014);
  box-shadow:0 6px 0 var(--button-edge),0 9px 16px #0003,inset 0 1px 0 #ffffff55;
  translate:0 0;
  transition:translate 140ms ease,box-shadow 140ms ease,background-color 140ms ease,color 140ms ease;
}
.btn-primary{--button-edge:color-mix(in srgb,var(--color-primary) 60%,#000)}
:is(.btn,button,input[type="submit"],input[type="button"],[role="button"]):not(:disabled):not([aria-busy="true"]):hover{
  transform:none;translate:0 4px;
  background-image:linear-gradient(180deg,#ffffff20,#ffffff00 48%,#00000014);
  box-shadow:0 2px 0 var(--button-edge),0 3px 6px #0003,inset 0 1px 0 #ffffff44;
}
:is(.btn,button,input[type="submit"],input[type="button"],[role="button"]):not(:disabled):not([aria-busy="true"]):active{
  transform:none;translate:0 6px;box-shadow:0 0 0 var(--button-edge),inset 0 2px 5px #0005;
}
:is(.btn,button):disabled,:is(.btn,button)[aria-busy="true"]{translate:0 0;box-shadow:0 3px 0 var(--button-edge)}
@media(prefers-reduced-motion:reduce){:is(.btn,button,input[type="submit"],input[type="button"],[role="button"]){transition:none}}

/* Native modal supplies focus containment, Escape, and background inertness. */
dialog.admin { width: 100%; max-width: none; height: 100%; max-height: none; margin: 0; border: 0; color: var(--color-text); }
dialog.admin:not([open]) { display: none; }
dialog.admin::backdrop { background: rgb(0 0 0 / 60%); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}