:root {
  --ink: #172635;
  --muted: #63717e;
  --paper: #f6f2e9;
  --paper-deep: #ece5d8;
  --white: #fffdf8;
  --forest: #075b92;
  --forest-light: #0a6fa4;
  --coral: #ff704f;
  --sun: #f5c75e;
  --line: rgba(23, 38, 53, .13);
  --shadow: 0 18px 48px rgba(18, 55, 82, .1);
  --radius: 22px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --brand-texture: url("../images/brand-background.svg");
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; color: var(--ink); background: var(--paper); font-family: var(--font); line-height: 1.55; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.04; letter-spacing: -.04em; }
em { color: var(--coral); font-family: Georgia, serif; font-weight: 500; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.page-shell { width: min(1120px, calc(100% - 36px)); min-height: 70vh; margin: 0 auto; padding: 54px 0 84px; }
.lab-main { min-height: 80vh; }
.eyebrow { display: block; margin-bottom: 13px; color: var(--coral); font-size: .72rem; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
.subtitle { color: var(--muted); }

.navbar { position: sticky; top: 0; z-index: 40; color: white; border-bottom: 1px solid rgba(255,255,255,.16); background: var(--brand-texture) center 26% / cover; box-shadow: 0 8px 28px rgba(5,55,92,.16); }
.nav-shell, .footer-shell { width: min(1180px, calc(100% - 36px)); margin: 0 auto; }
.nav-shell { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; line-height: 1.05; }
.brand-logo { width: 48px; height: 48px; object-fit: contain; }
.brand strong, .brand small { display: block; }
.brand strong { font-family: Georgia, serif; font-size: 1rem; }
.brand small { margin-top: 4px; color: rgba(255,255,255,.68); font-size: .65rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: .86rem; font-weight: 700; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--coral); }
.user-chip { padding: 7px 11px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; color: rgba(255,255,255,.78); font-size: .78rem; }
.btn-logout { color: rgba(255,255,255,.75); }

.alerts { position: fixed; z-index: 80; top: 88px; left: 50%; width: min(520px, calc(100% - 32px)); transform: translateX(-50%); }
.alert { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 8px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); box-shadow: var(--shadow); transition: opacity .2s, transform .2s; }
.alert-success { border-color: rgba(36,180,126,.45); }
.alert-error { border-color: rgba(229,71,90,.45); }
.alert-info { border-color: rgba(56,118,242,.4); }
.alert-close { border: 0; background: transparent; cursor: pointer; font-size: 1.2rem; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 48px; padding: 0 20px; border: 1px solid transparent; border-radius: 999px; cursor: pointer; font-weight: 850; text-decoration: none; transition: transform .18s, box-shadow .18s, background .18s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: white; background: var(--coral); box-shadow: 0 9px 24px rgba(255,112,79,.24); }
.btn-primary:hover { background: #ee5d3d; box-shadow: 0 12px 28px rgba(255,112,79,.32); }
.btn-secondary { border-color: var(--line); background: var(--white); }
.btn-block { width: 100%; }

/* Access screens */
.auth-page { background: var(--brand-texture) center / cover fixed; }
.auth-page footer { display: none; }
.auth-shell { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(410px, .92fr); min-height: 100vh; }
.auth-story { position: relative; display: flex; min-height: 100vh; padding: 46px clamp(34px, 7vw, 110px); flex-direction: column; justify-content: space-between; overflow: hidden; color: white; background: linear-gradient(rgba(4,55,104,.18), rgba(4,98,139,.08)), var(--brand-texture) center / cover; }
.auth-story::before, .auth-story::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; }
.auth-story::before { width: 520px; height: 520px; right: -220px; top: 8%; }
.auth-story::after { width: 730px; height: 730px; right: -365px; top: -2%; }
.auth-brand { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 13px; color: white; font-family: Georgia, serif; font-size: 1.1rem; text-decoration: none; }
.auth-brand img { width: 66px; height: 66px; object-fit: contain; }
.auth-brand span { display: inline; }
.auth-copy { position: relative; z-index: 1; max-width: 610px; }
.auth-copy .eyebrow { color: var(--sun); }
.auth-copy h1 { margin-bottom: 25px; font-size: clamp(3.4rem, 6vw, 6.8rem); }
.auth-copy p { max-width: 570px; color: rgba(255,255,255,.68); font-size: 1.08rem; }
.auth-preview { display: flex; margin-top: 42px; }
.auth-preview span { display: grid; width: 62px; height: 62px; margin-right: -9px; place-items: center; border: 4px solid var(--forest); border-radius: 50%; background: var(--preview); font-size: 1.55rem; font-weight: 900; }
.auth-note { position: relative; z-index: 1; margin: 0; color: rgba(255,255,255,.52); font-size: .82rem; }
.auth-form-panel { display: grid; min-height: 100vh; padding: 48px clamp(30px, 6vw, 86px); place-items: center; background: var(--paper); }
.auth-box { width: min(100%, 520px); }
.auth-box h2 { margin-bottom: 12px; font-size: clamp(2.2rem, 4vw, 3.45rem); }
.auth-box .subtitle { margin-bottom: 32px; }
.stacked-form { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group label { display: block; margin-bottom: 7px; font-size: .8rem; font-weight: 800; }
.form-group input, textarea, select { width: 100%; min-height: 50px; padding: 0 14px; border: 1px solid rgba(23,35,29,.18); border-radius: 12px; outline: none; color: var(--ink); background: rgba(255,255,255,.72); transition: border .18s, box-shadow .18s; }
.form-group input:focus, textarea:focus, select:focus { border-color: var(--coral); box-shadow: 0 0 0 4px rgba(255,112,79,.12); }
.form-group small { display: block; margin-top: 6px; color: var(--muted); font-size: .72rem; }
.auth-footer { margin-top: 24px; color: var(--muted); text-align: center; font-size: .85rem; }
.auth-footer a { color: var(--forest); font-weight: 850; }

/* Playground hero */
.lab-hero { position: relative; display: grid; grid-template-columns: 1.35fr .65fr; min-height: 470px; padding: 76px max(28px, calc((100vw - 1180px)/2)); align-items: center; gap: 70px; color: white; overflow: hidden; background: linear-gradient(100deg, rgba(4,55,104,.26), rgba(5,116,159,.04)), var(--brand-texture) center / cover; }
.lab-hero::before { content: ""; position: absolute; width: 500px; height: 500px; left: 41%; top: -350px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; box-shadow: 0 0 0 80px rgba(255,255,255,.025), 0 0 0 160px rgba(255,255,255,.018); }
.hero-copy { position: relative; z-index: 1; max-width: 730px; }
.hero-copy .eyebrow { color: var(--sun); }
.hero-copy h1 { margin-bottom: 22px; font-size: clamp(3.4rem, 6vw, 6.4rem); }
.hero-copy p { max-width: 650px; color: rgba(255,255,255,.7); font-size: 1.08rem; }
.hero-actions { display: flex; align-items: center; gap: 23px; margin-top: 30px; }
.text-link { color: white; font-size: .84rem; font-weight: 800; text-decoration: none; }
.passport-card { position: relative; z-index: 1; padding: 25px; border: 1px solid rgba(255,255,255,.16); border-radius: 24px; transform: rotate(1.5deg); background: rgba(255,255,255,.09); box-shadow: 0 28px 70px rgba(0,0,0,.18); backdrop-filter: blur(10px); }
.passport-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px dashed rgba(255,255,255,.22); }
.passport-kicker { font-family: Georgia, serif; font-size: 1.08rem; }
.pass-stamp { padding: 5px 8px; border: 1px solid var(--sun); color: var(--sun); font-size: .58rem; font-weight: 900; letter-spacing: .15em; transform: rotate(-4deg); }
.passport-progress { display: flex; align-items: center; gap: 19px; padding: 25px 0 20px; }
.passport-progress > div:last-child { display: grid; gap: 8px; }
.passport-progress small { color: rgba(255,255,255,.55); font-size: .7rem; }
.progress-orbit { position: relative; display: grid; width: 84px; height: 84px; flex: 0 0 84px; place-items: center; border-radius: 50%; background: conic-gradient(var(--sun) calc(var(--progress) * 1%), rgba(255,255,255,.12) 0); }
.progress-orbit::before { content: ""; position: absolute; inset: 7px; border-radius: 50%; background: var(--forest-light); }
.progress-orbit strong, .progress-orbit span { position: relative; z-index: 1; }
.progress-orbit strong { margin-right: 24px; font-size: 1.65rem; }
.progress-orbit span { position: absolute; margin: 20px 0 0 24px; color: rgba(255,255,255,.55); font-size: .72rem; }
.passport-dots { display: grid; grid-template-columns: repeat(auto-fit, minmax(18px, 1fr)); gap: 7px; }
.passport-dots span { height: 7px; border-radius: 999px; background: rgba(255,255,255,.14); transition: background .25s, transform .25s; }
.passport-dots span.is-tried { background: var(--dot); transform: scaleY(1.5); }
.access-until { display: block; margin-top: 17px; color: rgba(255,255,255,.47); font-size: .68rem; }

/* Model cards */
.lab-toolbar, .filter-row, .model-grid, .experiment-strip, .review-note { width: min(1180px, calc(100% - 36px)); margin-left: auto; margin-right: auto; }
.lab-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding-top: 82px; }
.lab-toolbar h2 { margin-bottom: 4px; font-size: clamp(2rem, 4vw, 3.1rem); }
.model-search { display: flex; width: 260px; height: 46px; padding: 0 15px; align-items: center; gap: 9px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.55); }
.model-search input { width: 100%; border: 0; outline: none; background: transparent; }
.filter-row { display: flex; gap: 8px; padding: 25px 0 27px; overflow-x: auto; scrollbar-width: none; }
.filter-chip { flex: 0 0 auto; min-height: 38px; padding: 0 15px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: transparent; cursor: pointer; font-size: .76rem; font-weight: 800; }
.filter-chip:hover, .filter-chip.is-active { border-color: var(--forest); color: white; background: var(--forest); }
.model-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; padding-bottom: 76px; }
.model-card { position: relative; display: flex; min-height: 590px; padding: 28px; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: 0 1px 0 rgba(255,255,255,.9) inset; transition: transform .22s, border .22s, box-shadow .22s, opacity .2s; }
.model-card::before { content: ""; position: absolute; top: 0; right: 40px; left: 40px; height: 3px; border-radius: 0 0 6px 6px; background: var(--accent); }
.model-card:hover { border-color: color-mix(in srgb, var(--accent), transparent 55%); transform: translateY(-4px); box-shadow: var(--shadow); }
.model-card.is-highlighted { animation: spotlight 1.15s ease; }
@keyframes spotlight { 40% { transform: translateY(-7px) scale(1.01); box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent), transparent 72%), var(--shadow); } }
.card-head { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; }
.model-mark { display: grid; width: 54px; height: 54px; place-items: center; border-radius: 16px; color: white; background: var(--accent); font-size: 1.45rem; font-weight: 900; }
.maker { display: block; margin-bottom: 5px; color: var(--muted); font-size: .62rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.card-head h3 { margin: 0; font-size: 1.7rem; }
.compare-toggle { display: inline-flex; align-items: center; gap: 5px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: transparent; cursor: pointer; font-size: .68rem; font-weight: 800; }
.compare-toggle span { font-size: 1rem; line-height: .8; }
.compare-toggle[aria-pressed="true"] { border-color: var(--forest); color: white; background: var(--forest); }
.tagline { margin: 23px 0 8px; font-family: Georgia, serif; font-size: 1.15rem; font-style: italic; }
.strength { min-height: 74px; margin-bottom: 15px; color: var(--muted); font-size: .88rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 22px; }
.tag-list span { padding: 4px 9px; border-radius: 999px; color: color-mix(in srgb, var(--accent), #172635 28%); background: color-mix(in srgb, var(--accent), white 88%); font-size: .64rem; font-weight: 850; }
.prompt-ticket { position: relative; padding: 22px 21px 17px; border: 1px solid color-mix(in srgb, var(--accent), transparent 70%); border-radius: 16px; background: color-mix(in srgb, var(--accent), white 94%); }
.ticket-label { position: absolute; top: -9px; left: 16px; padding: 2px 8px; color: white; border-radius: 4px; background: var(--accent); font-size: .55rem; font-weight: 900; letter-spacing: .12em; }
.primary-prompt { min-height: 70px; margin-bottom: 12px; font-family: Georgia, serif; font-size: .96rem; line-height: 1.5; }
.copy-prompt { padding: 0; border: 0; color: color-mix(in srgb, var(--accent), #172635 26%); background: transparent; cursor: pointer; font-size: .7rem; font-weight: 850; }
.card-details { margin-top: 20px; padding-top: 18px; border-top: 1px dashed var(--line); }
.card-details dl { display: grid; gap: 13px; margin: 0; }
.card-details dl div { display: grid; grid-template-columns: 116px 1fr; gap: 12px; }
.card-details dt { font-size: .7rem; font-weight: 900; }
.card-details dd { margin: 0; color: var(--muted); font-size: .76rem; }
.watch-out { padding: 10px; border-radius: 10px; background: #fff4dc; }
.more-prompts { display: grid; gap: 7px; margin-top: 16px; }
.more-prompts strong { font-size: .7rem; }
.alt-prompt { padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: white; cursor: pointer; text-align: left; font-size: .72rem; }
.alt-prompt:hover { border-color: var(--accent); color: var(--ink); }
.source-link { display: inline-block; margin-top: 13px; color: var(--muted); font-size: .65rem; }
.card-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 21px; }
.details-toggle { border: 0; color: var(--muted); background: transparent; cursor: pointer; font-size: .72rem; font-weight: 800; }
.card-links { display: flex; align-items: center; gap: 7px; }
.training-link { display: inline-flex; min-height: 42px; padding: 0 14px; align-items: center; gap: 7px; border: 1px solid var(--forest); border-radius: 999px; color: var(--forest); background: white; font-size: .72rem; font-weight: 850; text-decoration: none; }
.training-link:hover { color: white; background: var(--forest); }
.launch-link { display: inline-flex; min-height: 42px; padding: 0 16px; align-items: center; gap: 9px; border-radius: 999px; color: white; background: var(--forest); font-size: .74rem; font-weight: 850; text-decoration: none; }
.tried-button { position: absolute; right: 28px; bottom: -13px; min-height: 30px; padding: 0 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--paper); cursor: pointer; font-size: .66rem; font-weight: 800; }
.tried-button:hover { color: white; background: var(--accent); }
.tried-button.is-done { border-color: transparent; color: white; background: var(--accent); cursor: default; }
.empty-state { padding: 60px 20px; text-align: center; color: var(--muted); }

.experiment-strip { display: grid; grid-template-columns: .8fr 1.2fr; margin-bottom: 34px; padding: 54px; align-items: center; gap: 55px; border-radius: 28px; color: white; background: linear-gradient(100deg, rgba(4,55,104,.25), rgba(5,116,159,.04)), var(--brand-texture) center / cover; box-shadow: 0 20px 52px rgba(7,91,146,.16); }
.experiment-strip .eyebrow { color: var(--sun); }
.experiment-strip h2 { margin-bottom: 0; font-size: clamp(2rem, 4vw, 3rem); }
.experiment-strip ol { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin: 0; padding: 0; list-style: none; }
.experiment-strip li { display: grid; gap: 13px; }
.experiment-strip li > span { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: var(--sun); font-family: Georgia, serif; }
.experiment-strip strong, .experiment-strip small { display: block; }
.experiment-strip small { margin-top: 5px; color: rgba(255,255,255,.55); font-size: .7rem; }
.review-note { margin-bottom: 100px; color: var(--muted); text-align: center; font-size: .68rem; }

.compare-tray { position: fixed; z-index: 50; right: 24px; bottom: 20px; left: 24px; display: flex; min-height: 74px; max-width: 900px; margin: auto; padding: 12px 14px 12px 20px; align-items: center; justify-content: space-between; gap: 22px; border: 1px solid rgba(255,255,255,.14); border-radius: 20px; color: white; background: var(--brand-texture) center / cover; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.compare-tray[hidden] { display: none; }
.compare-tray .eyebrow { margin: 0 0 2px; color: var(--sun); font-size: .52rem; }
.compare-picks { display: flex; flex: 1; justify-content: center; gap: 8px; }
.compare-pick { padding: 6px 10px; border-radius: 999px; color: white; background: var(--pick); font-size: .7rem; font-weight: 850; }
.compare-tray .btn { min-height: 42px; }
.compare-tray .btn:disabled { opacity: .4; cursor: default; transform: none; }
.compare-dialog { width: min(880px, calc(100% - 30px)); padding: 42px; border: 0; border-radius: 26px; color: var(--ink); background: var(--paper); box-shadow: 0 30px 100px rgba(0,0,0,.35); }
.compare-dialog::backdrop { background: rgba(12,28,21,.7); backdrop-filter: blur(4px); }
.dialog-close { position: absolute; top: 18px; right: 18px; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; font-size: 1.3rem; }
.compare-dialog h2 { margin-bottom: 10px; font-size: 2.7rem; }
.dialog-intro { color: var(--muted); }
.comparison-stage { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.comparison-model { padding: 24px; border-top: 4px solid var(--compare); border-radius: 16px; background: white; }
.comparison-model h3 { margin: 0 0 6px; font-size: 1.55rem; }
.comparison-model > p { min-height: 66px; color: var(--muted); font-size: .8rem; }
.comparison-prompt { padding: 14px; border-radius: 10px; background: var(--paper); font-family: Georgia, serif; font-size: .78rem; }
.comparison-model .copy-compare { width: 100%; margin: 12px 0 8px; }
.comparison-model .launch-link { justify-content: center; width: 100%; }
.notice-grid { display: grid; grid-template-columns: 1.2fr repeat(3,1fr); gap: 8px; margin-top: 18px; }
.notice-grid > * { padding: 12px; border: 1px dashed var(--line); border-radius: 10px; font-size: .7rem; }
.toast { position: fixed; z-index: 100; right: 22px; bottom: 22px; padding: 11px 16px; border-radius: 999px; opacity: 0; color: white; background: var(--ink); pointer-events: none; transform: translateY(12px); transition: opacity .2s, transform .2s; font-size: .76rem; font-weight: 800; }
.toast.is-visible { opacity: 1; transform: translateY(0); }

/* Existing course/admin pages */
.course-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 18px; }
.course-card, .card, .lesson-content, .auth-container .auth-box { padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
.progress-bar { height: 8px; border-radius: 99px; overflow: hidden; background: var(--paper-deep); }
.progress-fill { height: 100%; background: var(--coral); }
.progress-text, .module-title { color: var(--muted); font-size: .8rem; }
.lesson-actions { display: flex; gap: 12px; margin-top: 20px; }
table { width: 100%; border-collapse: collapse; background: var(--white); }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; }
textarea { min-height: 140px; padding-top: 12px; }

footer { border-top: 1px solid var(--line); }
.footer-shell { display: flex; min-height: 90px; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .72rem; }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; }
.footer-brand img { width: 38px; height: 38px; padding: 4px; border-radius: 10px; background: var(--forest); object-fit: contain; }

@media (max-width: 900px) {
  .auth-shell, .lab-hero, .experiment-strip { grid-template-columns: 1fr; }
  .auth-story { min-height: 480px; }
  .auth-copy h1 { font-size: 4rem; }
  .auth-form-panel { min-height: auto; }
  .lab-hero { padding-top: 65px; gap: 40px; }
  .passport-card { width: min(440px,100%); transform: none; }
  .experiment-strip ol { grid-template-columns: 1fr; }
  .nav-links .user-chip { display: none; }
}

@media (max-width: 680px) {
  .nav-shell { min-height: 65px; }
  .brand small, .nav-links a:not(.btn-logout):not(:first-child) { display: none; }
  .nav-links { gap: 12px; }
  .lab-hero { padding: 55px 20px; }
  .hero-copy h1 { font-size: 3.25rem; }
  .lab-toolbar { padding-top: 60px; align-items: stretch; flex-direction: column; gap: 18px; }
  .model-search { width: 100%; }
  .model-grid { grid-template-columns: 1fr; }
  .model-card { min-height: 0; padding: 22px; }
  .strength { min-height: 0; }
  .card-actions { align-items: stretch; flex-direction: column; }
  .card-links { width: 100%; }
  .training-link, .card-links .launch-link { flex: 1; justify-content: center; }
  .compare-toggle { font-size: 0; }
  .compare-toggle span { font-size: 1rem; }
  .experiment-strip { padding: 34px 25px; gap: 28px; }
  .compare-tray { right: 10px; bottom: 10px; left: 10px; gap: 8px; }
  .compare-tray > div:first-child { display: none; }
  .compare-picks { justify-content: flex-start; }
  .compare-dialog { padding: 34px 20px 24px; }
  .comparison-stage, .notice-grid { grid-template-columns: 1fr; }
  .auth-shell { display: block; }
  .auth-story { min-height: 410px; padding: 30px 24px; }
  .auth-copy h1 { margin-top: 52px; font-size: 3.2rem; }
  .auth-copy p, .auth-preview { display: none; }
  .auth-form-panel { padding: 48px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-shell { padding: 20px 0; align-items: flex-start; flex-direction: column; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; } }