/* AIPlayCraft Public Design System v1.0.0 */
:root {
  --pc-blue: #4285f4;
  --pc-blue-strong: #1a73e8;
  --pc-blue-deep: #174ea6;
  --pc-blue-soft: #e8f0fe;
  --pc-cyan: #35c7f2;
  --pc-green: #34a853;
  --pc-yellow: #fbbc04;
  --pc-red: #ea4335;
  --pc-ink: #101828;
  --pc-ink-2: #344054;
  --pc-muted: #667085;
  --pc-line: #e4e7ec;
  --pc-surface: #ffffff;
  --pc-surface-2: #f7f9fc;
  --pc-surface-3: #eef4ff;
  --pc-shadow-sm: 0 1px 2px rgba(16,24,40,.05), 0 3px 10px rgba(16,24,40,.04);
  --pc-shadow: 0 20px 60px rgba(20,55,100,.12);
  --pc-radius-sm: 12px;
  --pc-radius: 22px;
  --pc-radius-lg: 32px;
  --pc-max: 1200px;
  --pc-font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; color: var(--pc-ink); background: var(--pc-surface); font-family: var(--pc-font); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
body.pc-lock-scroll { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
code, .pc-command { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
:focus-visible { outline: 3px solid rgba(66,133,244,.38); outline-offset: 3px; }
[hidden] { display: none !important; }
.pc-container { width: min(var(--pc-max), calc(100% - 40px)); margin-inline: auto; }
.pc-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; }

/* Header */
.pc-header { position: sticky; top: 0; z-index: 100; border-bottom: 1px solid rgba(228,231,236,.8); background: rgba(255,255,255,.88); backdrop-filter: saturate(170%) blur(18px); }
.pc-header-inner { width: min(var(--pc-max), calc(100% - 40px)); height: 72px; margin-inline: auto; display: flex; align-items: center; gap: 26px; }
.pc-brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; font-weight: 800; letter-spacing: -.035em; }
.pc-brand-mark { width: 36px; height: 36px; position: relative; display: grid; place-items: center; border-radius: 10px; background: linear-gradient(145deg, #6ea3fb, var(--pc-blue-strong)); box-shadow: inset 0 0 0 1px rgba(255,255,255,.32), 0 6px 14px rgba(66,133,244,.22); color: white; }
.pc-brand-mark::before { content: ""; position: absolute; inset: 7px 7px 11px; border-radius: 4px; background: rgba(255,255,255,.94); }
.pc-brand-mark::after { content: "••"; position: relative; z-index: 1; color: var(--pc-blue-strong); font-size: 12px; letter-spacing: 3px; transform: translateX(1px); }
.pc-brand-word { font-size: 19px; }
.pc-brand-word b { color: var(--pc-blue); }
.pc-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.pc-nav a { padding: 10px 13px; border-radius: 10px; color: var(--pc-ink-2); font-weight: 600; font-size: 14px; transition: color .18s, background .18s; }
.pc-nav a:hover, .pc-nav a[aria-current="page"] { color: var(--pc-blue-deep); background: var(--pc-blue-soft); }
.pc-nav .pc-nav-account { margin-left: 8px; padding-inline: 17px; color: #fff; background: var(--pc-blue); box-shadow: 0 7px 18px rgba(66,133,244,.22); }
.pc-nav .pc-nav-account:hover { color: #fff; background: var(--pc-blue-strong); }
.pc-nav-toggle { display: none; margin-left: auto; width: 43px; height: 43px; border: 0; border-radius: 12px; background: var(--pc-surface-2); cursor: pointer; }
.pc-nav-toggle span, .pc-nav-toggle::before, .pc-nav-toggle::after { content: ""; display: block; width: 20px; height: 2px; margin: 4px auto; border-radius: 2px; background: var(--pc-ink); transition: transform .2s, opacity .2s; }
.pc-nav-toggle[aria-expanded="true"] span { opacity: 0; }
.pc-nav-toggle[aria-expanded="true"]::before { transform: translateY(6px) rotate(45deg); }
.pc-nav-toggle[aria-expanded="true"]::after { transform: translateY(-6px) rotate(-45deg); }

/* Shared typography and controls */
.pc-eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 16px; color: var(--pc-blue-deep); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.pc-eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--pc-blue); box-shadow: 5px -5px 0 rgba(66,133,244,.22); }
.pc-display { margin: 0; max-width: 850px; font-size: clamp(46px, 7vw, 88px); line-height: .98; letter-spacing: -.065em; font-weight: 780; }
.pc-display .pc-accent, .pc-accent { color: var(--pc-blue); }
.pc-lead { max-width: 700px; margin: 24px 0 0; color: var(--pc-ink-2); font-size: clamp(18px, 2vw, 22px); line-height: 1.55; letter-spacing: -.015em; }
.pc-section-title { margin: 0; max-width: 760px; font-size: clamp(34px, 4.6vw, 60px); line-height: 1.05; letter-spacing: -.052em; }
.pc-section-copy { max-width: 680px; margin: 18px 0 0; color: var(--pc-muted); font-size: 18px; }
.pc-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.pc-button, .admin-button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 11px 20px; border: 1px solid transparent; border-radius: 13px; cursor: pointer; font-weight: 750; line-height: 1; transition: transform .18s, box-shadow .18s, background .18s, border-color .18s; }
.pc-button:hover, .admin-button:hover { transform: translateY(-1px); }
.pc-button-primary, .admin-button.primary { color: #fff; background: var(--pc-blue); box-shadow: 0 10px 24px rgba(66,133,244,.24); }
.pc-button-primary:hover, .admin-button.primary:hover { background: var(--pc-blue-strong); box-shadow: 0 13px 30px rgba(66,133,244,.3); }
.pc-button-secondary, .admin-button.secondary { color: var(--pc-ink); border-color: var(--pc-line); background: #fff; box-shadow: var(--pc-shadow-sm); }
.pc-button-secondary:hover, .admin-button.secondary:hover { border-color: #cbd5e1; background: #f9fafb; }
.admin-button.is-disabled { opacity: .55; pointer-events: none; }
.pc-link { color: var(--pc-blue-deep); font-weight: 750; }
.pc-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.pc-chip { display: inline-flex; align-items: center; gap: 7px; min-height: 32px; padding: 6px 11px; border-radius: 999px; background: var(--pc-blue-soft); color: var(--pc-blue-deep); font-size: 13px; font-weight: 750; }
.pc-chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* Homepage */

.pc-capability-band { margin-top: -34px; position: relative; z-index: 5; }
.pc-capability-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); overflow: hidden; border: 1px solid var(--pc-line); border-radius: 22px; background: rgba(255,255,255,.96); box-shadow: var(--pc-shadow); }
.pc-capability { min-height: 146px; padding: 22px; border-right: 1px solid var(--pc-line); }
.pc-capability:last-child { border-right: 0; }
.pc-capability span { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; color: var(--pc-blue-deep); background: var(--pc-blue-soft); font-weight: 900; }
.pc-capability h2 { margin: 14px 0 4px; font-size: 17px; letter-spacing: -.025em; }
.pc-capability p { margin: 0; color: var(--pc-muted); font-size: 13px; line-height: 1.45; }
.pc-home-hero { overflow: hidden; background: radial-gradient(circle at 85% 18%, rgba(53,199,242,.17), transparent 30%), radial-gradient(circle at 60% 70%, rgba(66,133,244,.12), transparent 35%), var(--pc-surface-2); }
.pc-hero-grid { min-height: min(810px, calc(100vh - 72px)); display: grid; grid-template-columns: minmax(0, .95fr) minmax(460px, 1.05fr); align-items: center; gap: clamp(32px, 6vw, 90px); padding-block: 70px 76px; }
.pc-hero-copy { position: relative; z-index: 2; }
.pc-hero-visual { position: relative; min-width: 0; }
.pc-hero-frame { overflow: hidden; position: relative; aspect-ratio: 1.35; border: 10px solid rgba(255,255,255,.84); border-radius: 40px; background: #dbeafe; box-shadow: 0 40px 100px rgba(36,80,145,.2); transform: rotate(1.2deg); }
.pc-hero-frame img { width: 100%; height: 100%; object-fit: cover; }
.pc-hero-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,35,73,.28), transparent 40%); pointer-events: none; }
.pc-float-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 12px; padding: 13px 16px; border: 1px solid rgba(255,255,255,.8); border-radius: 17px; background: rgba(255,255,255,.9); backdrop-filter: blur(16px); box-shadow: 0 16px 45px rgba(16,42,80,.16); }
.pc-float-card strong { display: block; font-size: 14px; }
.pc-float-card small { display: block; margin-top: 2px; color: var(--pc-muted); }
.pc-float-card .pc-orb { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; color: white; background: var(--pc-blue); }
.pc-float-one { left: -28px; bottom: 46px; }
.pc-float-two { right: -15px; top: 42px; }
.pc-hero-trust { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 27px; color: var(--pc-muted); font-size: 13px; font-weight: 650; }
.pc-hero-trust span::before { content: "✓"; margin-right: 7px; color: var(--pc-green); font-weight: 900; }
.pc-stage { padding: 112px 0; }
.pc-stage-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 40px; }
.pc-product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.pc-product-panel { min-height: 510px; position: relative; overflow: hidden; padding: clamp(30px, 4vw, 52px); border-radius: var(--pc-radius-lg); background: var(--pc-surface-2); }
.pc-product-panel h3 { margin: 12px 0 0; max-width: 540px; font-size: clamp(34px, 4vw, 54px); line-height: 1.04; letter-spacing: -.052em; }
.pc-product-panel p { max-width: 510px; color: var(--pc-muted); font-size: 17px; }
.pc-panel-server { color: white; background: linear-gradient(150deg, #173b74 0%, #1a73e8 72%, #35c7f2 135%); }
.pc-panel-server p { color: rgba(255,255,255,.8); }
.pc-panel-server .pc-chip { color: white; background: rgba(255,255,255,.15); }
.pc-panel-ai { background: radial-gradient(circle at 85% 22%, rgba(53,199,242,.3), transparent 32%), #edf4ff; }
.pc-block-scene { position: absolute; right: -30px; bottom: -30px; width: 58%; aspect-ratio: 1; opacity: .95; }
.pc-block-scene span { position: absolute; display: block; border-radius: 8px; box-shadow: inset -8px -8px 0 rgba(0,0,0,.08), 0 12px 28px rgba(0,0,0,.12); }
.pc-block-scene span:nth-child(1) { width: 55%; height: 28%; left: 4%; bottom: 12%; background: #63b56b; }
.pc-block-scene span:nth-child(2) { width: 32%; height: 32%; left: 26%; bottom: 40%; background: #a7d8ff; }
.pc-block-scene span:nth-child(3) { width: 27%; height: 27%; right: 10%; bottom: 23%; background: #fbbc04; }
.pc-block-scene span:nth-child(4) { width: 18%; height: 18%; right: 22%; top: 4%; background: #fff; }
.pc-app-stage { background: #0b1220; color: white; }
.pc-app-stage .pc-section-copy { color: #aebbd0; }
.pc-app-grid { margin-top: 44px; display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 16px; }
.pc-app-card { min-height: 290px; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; border: 1px solid rgba(255,255,255,.1); border-radius: 24px; background: rgba(255,255,255,.06); transition: transform .2s, background .2s; }
.pc-app-card:hover { transform: translateY(-3px); background: rgba(255,255,255,.1); }
.pc-app-card:first-child { min-height: 380px; background: linear-gradient(150deg, rgba(66,133,244,.94), rgba(23,78,166,.88)); }
.pc-app-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; background: rgba(255,255,255,.14); font-size: 24px; }
.pc-app-card code { width: max-content; padding: 8px 11px; border-radius: 9px; color: #cfe1ff; background: rgba(0,0,0,.25); }
.pc-app-card h3 { margin: 20px 0 8px; font-size: 27px; letter-spacing: -.035em; }
.pc-app-card p { margin: 0; color: #bfcaDA; }
.pc-app-card:first-child p { color: rgba(255,255,255,.82); }
.pc-class-banner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; padding: clamp(34px,5vw,64px); border: 1px solid var(--pc-line); border-radius: var(--pc-radius-lg); background: radial-gradient(circle at 80% 0, rgba(66,133,244,.17), transparent 30%), #fff; box-shadow: var(--pc-shadow-sm); }
.pc-class-banner h2 { margin: 0; font-size: clamp(34px,4vw,54px); letter-spacing: -.05em; }
.pc-class-banner p { margin: 12px 0 0; color: var(--pc-muted); }

/* Generic interior pages */
.pc-page-hero { padding: 86px 0 68px; background: radial-gradient(circle at 82% 8%, rgba(66,133,244,.15), transparent 32%), var(--pc-surface-2); }
.pc-page-hero-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(360px,.55fr); align-items: center; gap: 60px; }
.pc-page-title { margin: 0; font-size: clamp(44px,6vw,76px); line-height: 1; letter-spacing: -.06em; }
.pc-info-panel { padding: 27px; border: 1px solid rgba(66,133,244,.16); border-radius: 24px; background: rgba(255,255,255,.9); box-shadow: var(--pc-shadow); }
.pc-info-panel h2 { margin: 0 0 18px; font-size: 17px; }
.pc-info-row { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-top: 1px solid var(--pc-line); }
.pc-info-row span { color: var(--pc-muted); }
.pc-server-address { display: flex; align-items: center; gap: 8px; }
.pc-icon-button { width: 34px; height: 34px; border: 1px solid var(--pc-line); border-radius: 10px; background: #fff; cursor: pointer; }
.pc-step-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.pc-step-card { padding: 28px; border: 1px solid var(--pc-line); border-radius: 22px; background: #fff; box-shadow: var(--pc-shadow-sm); }
.pc-step-number { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; color: white; background: var(--pc-blue); font-weight: 800; }
.pc-step-card h3 { margin: 22px 0 8px; font-size: 21px; letter-spacing: -.025em; }
.pc-step-card p { margin: 0; color: var(--pc-muted); }
.pc-experience-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; }
.pc-experience { min-height: 330px; padding: 36px; border-radius: 28px; background: var(--pc-surface-2); }
.pc-experience:nth-child(1) { background: linear-gradient(145deg,#e7f0ff,#f8fbff); }
.pc-experience:nth-child(2) { color: white; background: linear-gradient(150deg,#183c73,#4285f4); }
.pc-experience:nth-child(2) p { color: rgba(255,255,255,.76); }
.pc-experience h3 { margin: 18px 0 10px; font-size: 32px; letter-spacing: -.04em; }
.pc-experience p { color: var(--pc-muted); }

/* Documentation / applications */
.pc-doc-hero { padding: 80px 0 44px; background: linear-gradient(180deg,#f5f8ff,white); }
.pc-command-ribbon { margin-top: 36px; display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 10px; }
.pc-command-link { display: flex; flex-direction: column; gap: 3px; padding: 15px 16px; border: 1px solid var(--pc-line); border-radius: 15px; background: white; box-shadow: var(--pc-shadow-sm); }
.pc-command-link code { color: var(--pc-blue-deep); font-weight: 800; }
.pc-command-link small { color: var(--pc-muted); }
.pc-doc-shell { width: min(1280px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 245px minmax(0,1fr); gap: 64px; padding: 44px 0 110px; }
.pc-doc-nav { position: sticky; top: 94px; align-self: start; max-height: calc(100vh - 112px); overflow: auto; padding: 8px; border: 1px solid var(--pc-line); border-radius: 18px; background: #fff; }
.pc-doc-nav strong { display: block; padding: 11px 12px 8px; color: var(--pc-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.pc-doc-nav a { display: block; padding: 10px 12px; border-radius: 10px; color: var(--pc-ink-2); font-size: 14px; font-weight: 650; }
.pc-doc-nav a:hover, .pc-doc-nav a.is-active { color: var(--pc-blue-deep); background: var(--pc-blue-soft); }
.pc-doc-main { min-width: 0; }
.pc-doc-section { padding: 28px 0 68px; border-bottom: 1px solid var(--pc-line); scroll-margin-top: 100px; }
.pc-doc-section:first-child { padding-top: 0; }
.pc-doc-section:last-child { border-bottom: 0; }
.pc-doc-kicker { color: var(--pc-blue-deep); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.pc-doc-section h2 { margin: 8px 0 12px; font-size: clamp(32px,4vw,48px); line-height: 1.08; letter-spacing: -.048em; }
.pc-doc-intro { max-width: 800px; color: var(--pc-muted); font-size: 18px; }
.pc-command-box { margin: 24px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 18px; border: 1px solid #bfd3f8; border-radius: 16px; background: var(--pc-blue-soft); }
.pc-command-box code { color: var(--pc-blue-deep); font-size: 18px; font-weight: 800; }
.pc-copy { min-height: 38px; padding: 8px 13px; border: 1px solid rgba(66,133,244,.28); border-radius: 10px; color: var(--pc-blue-deep); background: white; cursor: pointer; font-weight: 750; }
.pc-steps { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; counter-reset: steps; }
.pc-steps li { counter-increment: steps; display: grid; grid-template-columns: 42px 1fr; gap: 15px; padding: 18px; border: 1px solid var(--pc-line); border-radius: 17px; background: #fff; }
.pc-steps li::before { content: counter(steps); width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: white; background: var(--pc-blue); font-weight: 800; }
.pc-steps h3 { margin: 2px 0 4px; font-size: 17px; }
.pc-steps p { margin: 0; color: var(--pc-muted); }
.pc-callout-grid { margin-top: 22px; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.pc-callout { padding: 20px; border-radius: 17px; background: var(--pc-surface-2); }
.pc-callout h3 { margin: 0 0 7px; font-size: 16px; }
.pc-callout p, .pc-callout li { color: var(--pc-muted); }
.pc-callout ul { margin: 8px 0 0; padding-left: 20px; }
.pc-callout-warning { border: 1px solid #f6d780; background: #fff9e7; }
.pc-callout-danger { border: 1px solid #f4c7c3; background: #fff2f1; }
.pc-menu-map { margin-top: 24px; overflow: hidden; border: 1px solid var(--pc-line); border-radius: 20px; background: var(--pc-surface-2); }
.pc-menu-map-head { display: flex; justify-content: space-between; gap: 15px; padding: 17px 20px; border-bottom: 1px solid var(--pc-line); background: white; }
.pc-menu-map-head strong { font-size: 16px; }
.pc-menu-map-head span { color: var(--pc-muted); font-size: 13px; }
.pc-slot-grid { display: grid; grid-template-columns: repeat(9,1fr); gap: 8px; padding: 18px; }
.pc-slot { min-height: 68px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 2px; padding: 7px; border: 1px solid #d8dee9; border-radius: 10px; background: white; text-align: center; font-size: 11px; }
.pc-slot b { color: var(--pc-blue-deep); font-size: 12px; }
.pc-slot-wide { grid-column: span 9; min-height: 110px; color: var(--pc-muted); background: linear-gradient(135deg,#fff,#f4f7fb); }
.pc-slot-accent { border-color: #a8c7fa; background: var(--pc-blue-soft); }
.pc-category-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 22px; }
.pc-category { padding: 17px; border: 1px solid var(--pc-line); border-radius: 15px; }
.pc-category strong { display: block; }
.pc-category span { display: block; margin-top: 4px; color: var(--pc-muted); font-size: 14px; }
.pc-tax-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin-top: 23px; }
.pc-tax { padding: 17px; border: 1px solid var(--pc-line); border-radius: 15px; text-align: center; }
.pc-tax strong { display: block; color: var(--pc-blue-deep); font-size: 22px; }
.pc-tax small { color: var(--pc-muted); }
.pc-faq { display: grid; gap: 10px; margin-top: 22px; }
.pc-faq details { border: 1px solid var(--pc-line); border-radius: 15px; background: white; }
.pc-faq summary { padding: 17px 19px; cursor: pointer; font-weight: 750; }
.pc-faq p { margin: 0; padding: 0 19px 18px; color: var(--pc-muted); }

/* Classes */
.pc-classes-hero { padding: 76px 0 46px; background: var(--pc-surface-2); }
.pc-classes-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 30px; }
.pc-schedule-status { padding: 14px 18px; border: 1px solid var(--pc-line); border-radius: 14px; background: white; box-shadow: var(--pc-shadow-sm); }
.pc-schedule-status span { display: block; color: var(--pc-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .07em; }
.pc-schedule-status strong { display: block; margin-top: 4px; }
.public-class-section { width: min(var(--pc-max),calc(100% - 40px)); margin: 0 auto; padding: 54px 0 100px; }
.public-class-list { display: grid; gap: 16px; }
.public-class-card { display: grid; grid-template-columns: 210px minmax(0,1fr) 190px; gap: 28px; align-items: center; padding: 26px; border: 1px solid var(--pc-line); border-radius: 22px; background: white; box-shadow: var(--pc-shadow-sm); }
.public-class-date { padding: 14px; border-radius: 14px; background: var(--pc-blue-soft); }
.public-class-date span { display: block; color: var(--pc-blue-deep); font-weight: 750; }
.public-class-date small { color: var(--pc-muted); }
.public-class-main h2 { margin: 8px 0; font-size: 25px; letter-spacing: -.035em; }
.public-class-main p { margin: 0; color: var(--pc-muted); }
.public-class-main ul { display: flex; flex-wrap: wrap; gap: 16px; margin: 14px 0 0; padding: 0; list-style: none; color: var(--pc-ink-2); font-size: 13px; }
.class-type, .table-status { display: inline-flex; padding: 5px 9px; border-radius: 999px; color: var(--pc-blue-deep); background: var(--pc-blue-soft); font-size: 11px; font-weight: 800; }
.public-class-action { display: grid; gap: 10px; text-align: right; }
.public-class-action strong { font-size: 20px; }
.public-class-action small { color: var(--pc-muted); }
.class-empty { padding: 46px; border: 1px dashed #cbd5e1; border-radius: 22px; text-align: center; background: var(--pc-surface-2); }
.pc-access-flow { padding: 80px 0; background: #0b1220; color: white; }
.pc-access-flow ol { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin: 34px 0 0; padding: 0; list-style: none; counter-reset: access; }
.pc-access-flow li { counter-increment: access; padding: 22px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: rgba(255,255,255,.06); }
.pc-access-flow li::before { content: counter(access); display: block; color: #8ab4f8; font-size: 13px; font-weight: 800; }

/* Authentication */
.pc-auth-body { min-height: 100vh; background: radial-gradient(circle at 10% 10%, rgba(66,133,244,.12), transparent 28%), var(--pc-surface-2); }
.pc-auth-shell { width: min(1100px,calc(100% - 40px)); min-height: calc(100vh - 72px); margin: 0 auto; display: grid; grid-template-columns: minmax(0,1fr) minmax(360px,.75fr); align-items: center; gap: 40px; padding: 52px 0; }
.pc-auth-card { padding: clamp(28px,4vw,48px); border: 1px solid var(--pc-line); border-radius: 28px; background: white; box-shadow: var(--pc-shadow); }
.pc-auth-card h1 { margin: 6px 0 10px; font-size: clamp(36px,5vw,54px); line-height: 1.04; letter-spacing: -.052em; }
.pc-auth-card > p { color: var(--pc-muted); }
.auth-form { display: grid; gap: 16px; margin-top: 26px; }
.auth-form-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.auth-form-grid .full { grid-column: 1 / -1; }
.field { display: grid; align-content: start; align-self: start; gap: 7px; }
.field label, .account-inline-field span { color: var(--pc-ink-2); font-size: 13px; font-weight: 750; }
.field input, .field select, .account-inline-field select { width: 100%; height: 48px; padding: 0 14px; border: 1px solid #cfd5df; border-radius: 12px; color: var(--pc-ink); background: #fff; outline: none; }
.field input:focus, .field select:focus, .account-inline-field select:focus { border-color: var(--pc-blue); box-shadow: 0 0 0 4px rgba(66,133,244,.12); }
.field small { color: var(--pc-muted); }
.auth-form .admin-button { width: 100%; grid-column: 1 / -1; margin-top: 2px; }
.auth-message { margin: 18px 0 0; padding: 12px 14px; border-radius: 12px; color: #8a1c13 !important; background: #fff1f0; }
.auth-message.success { color: #176b34 !important; background: #edf8f0; }
.auth-message.info { color: var(--pc-blue-deep) !important; background: var(--pc-blue-soft); }
.auth-links, .auth-switch { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 20px; color: var(--pc-muted); font-size: 14px; }
.auth-links a, .auth-switch a { color: var(--pc-blue-deep); font-weight: 750; }
.pc-auth-aside { min-height: 520px; overflow: hidden; position: relative; padding: 38px; border-radius: 28px; color: white; background: linear-gradient(145deg,#174ea6,#4285f4 65%,#35c7f2); }
.pc-auth-aside::after { content: ""; position: absolute; width: 250px; height: 250px; right: -75px; bottom: -80px; border-radius: 45px; background: rgba(255,255,255,.12); transform: rotate(18deg); }
.pc-auth-aside h2 { margin: 100px 0 12px; font-size: 36px; line-height: 1.08; letter-spacing: -.045em; }
.pc-auth-aside p { color: rgba(255,255,255,.82); }
.pc-auth-list { margin: 25px 0 0; padding: 0; list-style: none; }
.pc-auth-list li { margin: 10px 0; }
.pc-auth-list li::before { content: "✓"; margin-right: 9px; }
.pc-auth-single { width: min(600px,calc(100% - 40px)); min-height: calc(100vh - 72px); margin: 0 auto; display: grid; place-items: center; padding: 48px 0; }
.pc-email-icon { width: 68px; height: 68px; display: grid; place-items: center; margin-bottom: 20px; border-radius: 20px; color: white; background: var(--pc-blue); font-size: 29px; }
.confirmation-steps { display: grid; gap: 12px; margin: 25px 0; padding: 0; list-style: none; }
.confirmation-steps li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; padding: 14px; border: 1px solid var(--pc-line); border-radius: 14px; }
.confirmation-steps li > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; color: white; background: var(--pc-blue); font-weight: 800; }
.confirmation-steps p { margin: 2px 0 0; color: var(--pc-muted); font-size: 14px; }
.check-email-actions { display: flex; gap: 10px; margin-top: 18px; }

/* Account */
.pc-account-body { min-height: 100vh; background: var(--pc-surface-2); }
.account-shell { width: min(var(--pc-max),calc(100% - 40px)); margin: 0 auto; padding: 55px 0 100px; }
.account-heading { display: flex; justify-content: space-between; align-items: start; gap: 20px; margin-bottom: 26px; }
.account-heading h1 { margin: 5px 0 4px; font-size: clamp(36px,5vw,55px); letter-spacing: -.052em; }
.account-heading p { margin: 0; color: var(--pc-muted); }
.account-summary-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.account-card, .account-section { padding: 26px; border: 1px solid var(--pc-line); border-radius: 22px; background: white; box-shadow: var(--pc-shadow-sm); }
.account-card h2, .account-section h2 { margin: 0; font-size: 22px; letter-spacing: -.03em; }
.account-card p { color: var(--pc-muted); }
.account-status { display: inline-flex; padding: 5px 9px; border-radius: 999px; background: var(--pc-blue-soft); }
.account-status.success { color: #176b34; background: #eaf6ed; }
.account-status.warning { color: #8a5a00; background: #fff5d8; }
.account-inline-field { display: flex; align-items: center; gap: 10px; margin: 15px 0; }
.minecraft-link-code { display: block; margin-top: 12px; color: var(--pc-blue-deep); font-weight: 800; }
.account-note { font-size: 13px; }
.account-section { margin-top: 16px; }
.account-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.account-section-heading span { color: var(--pc-muted); font-size: 14px; }
.account-student-layout { display: grid; grid-template-columns: 330px minmax(0,1fr); gap: 25px; }
.account-student-form { display: grid; gap: 13px; }
.student-list, .booking-list, .class-list { display: grid; gap: 12px; }
.student-chip, .booking-card, .class-card { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 17px; border: 1px solid var(--pc-line); border-radius: 15px; background: var(--pc-surface-2); }
.student-chip small { display: block; color: var(--pc-muted); }
.student-chip > span { color: var(--pc-blue-deep); font-size: 13px; }
.booking-actions, .class-card-side { display: grid; justify-items: end; gap: 8px; text-align: right; }
.class-card select { min-height: 40px; border: 1px solid var(--pc-line); border-radius: 9px; }
.account-empty { margin: 0; padding: 20px; border-radius: 14px; color: var(--pc-muted); background: var(--pc-surface-2); }

/* Footer */
.pc-footer { padding: 56px 0 28px; border-top: 1px solid var(--pc-line); background: #fff; }
.pc-footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: start; }
.pc-footer p { max-width: 440px; color: var(--pc-muted); }
.pc-footer-nav { display: grid; grid-template-columns: repeat(2,minmax(130px,1fr)); gap: 10px 30px; }
.pc-footer-nav a { color: var(--pc-ink-2); font-size: 14px; font-weight: 600; }
.pc-footer-nav a:hover { color: var(--pc-blue-deep); }
.pc-footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--pc-line); color: var(--pc-muted); font-size: 13px; }

/* Responsive */
@media (max-width: 1050px) {
  .pc-hero-grid { grid-template-columns: 1fr 1fr; gap: 35px; }
  .pc-app-grid { grid-template-columns: 1fr 1fr; }
  .pc-app-card:first-child { grid-row: span 2; }
  .pc-doc-shell { grid-template-columns: 210px minmax(0,1fr); gap: 34px; }
  .public-class-card { grid-template-columns: 170px minmax(0,1fr); }
  .public-class-action { grid-column: 2; grid-row: 2; justify-items: start; text-align: left; }
}
@media (max-width: 860px) {
  html { scroll-padding-top: 76px; }
  .pc-header-inner { height: 64px; }
  .pc-nav-toggle { display: block; }
  .pc-nav { display: none; position: fixed; inset: 64px 0 auto; padding: 14px 20px 22px; border-bottom: 1px solid var(--pc-line); background: white; box-shadow: 0 18px 35px rgba(16,24,40,.12); }
  .pc-nav.is-open { display: grid; }
  .pc-nav a { padding: 13px 14px; }
  .pc-nav .pc-nav-account { margin: 5px 0 0; }
  .pc-hero-grid, .pc-page-hero-grid, .pc-auth-shell { min-height: auto; grid-template-columns: 1fr; }
  .pc-hero-grid { padding-block: 56px 70px; }
  .pc-hero-copy { max-width: 700px; }
  .pc-hero-visual { width: min(700px,100%); margin-inline: auto; }
  .pc-float-one { left: 12px; bottom: 12px; }
  .pc-float-two { right: 12px; top: 12px; }
  .pc-product-grid, .pc-experience-grid { grid-template-columns: 1fr; }
  .pc-capability-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .pc-capability:nth-child(2) { border-right: 0; }
  .pc-capability:nth-child(-n+2) { border-bottom: 1px solid var(--pc-line); }
  .pc-product-panel { min-height: 430px; }
  .pc-app-grid { grid-template-columns: 1fr; }
  .pc-app-card:first-child { grid-row: auto; min-height: 320px; }
  .pc-class-banner, .pc-classes-head { grid-template-columns: 1fr; align-items: start; }
  .pc-step-grid { grid-template-columns: 1fr; }
  .pc-command-ribbon { grid-template-columns: repeat(3,1fr); }
  .pc-doc-shell { display: block; padding-top: 24px; }
  .pc-doc-nav { position: relative; top: auto; display: flex; gap: 6px; max-height: none; overflow-x: auto; margin-bottom: 38px; border: 0; border-radius: 0; padding: 0 0 8px; scrollbar-width: thin; }
  .pc-doc-nav strong { display: none; }
  .pc-doc-nav a { min-width: max-content; border: 1px solid var(--pc-line); background: white; }
  .pc-tax-strip, .pc-access-flow ol { grid-template-columns: repeat(2,1fr); }
  .pc-auth-aside { min-height: 360px; order: -1; }
  .pc-auth-aside h2 { margin-top: 40px; }
  .account-student-layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .pc-container, .pc-header-inner, .pc-doc-shell, .public-class-section, .account-shell, .pc-auth-shell, .pc-auth-single { width: min(100% - 28px,var(--pc-max)); }
  .pc-brand-word { font-size: 17px; }
  .pc-display { font-size: clamp(43px,15vw,67px); }
  .pc-lead { font-size: 18px; }
  .pc-actions { display: grid; }
  .pc-button { width: 100%; }
  .pc-hero-frame { border-width: 6px; border-radius: 27px; transform: none; }
  .pc-float-card { padding: 10px 12px; }
  .pc-float-two { display: none; }
  .pc-stage { padding: 76px 0; }
  .pc-capability-band { margin-top: -20px; }
  .pc-capability-grid { grid-template-columns: 1fr; }
  .pc-capability, .pc-capability:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--pc-line); }
  .pc-capability:last-child { border-bottom: 0; }
  .pc-stage-head { align-items: start; flex-direction: column; }
  .pc-product-panel { min-height: 390px; padding: 28px; }
  .pc-block-scene { width: 70%; opacity: .55; }
  .pc-command-ribbon { grid-template-columns: repeat(2,1fr); }
  .pc-command-box { align-items: stretch; flex-direction: column; }
  .pc-copy { width: 100%; }
  .pc-callout-grid, .pc-category-list, .pc-tax-strip { grid-template-columns: 1fr; }
  .pc-slot-grid { grid-template-columns: repeat(3,1fr); }
  .pc-slot-wide { grid-column: span 3; }
  .public-class-card { grid-template-columns: 1fr; gap: 16px; }
  .public-class-action { grid-column: auto; grid-row: auto; justify-items: stretch; text-align: left; }
  .pc-access-flow ol { grid-template-columns: 1fr; }
  .auth-form-grid { grid-template-columns: 1fr; }
  .auth-form-grid .full { grid-column: auto; }
  .pc-auth-card { padding: 25px 20px; border-radius: 22px; }
  .pc-auth-aside { display: none; }
  .check-email-actions, .account-heading, .account-section-heading { align-items: stretch; flex-direction: column; }
  .check-email-actions .admin-button { width: 100%; }
  .account-summary-grid { grid-template-columns: 1fr; }
  .student-chip, .booking-card, .class-card { align-items: flex-start; flex-direction: column; }
  .booking-actions, .class-card-side { width: 100%; justify-items: stretch; text-align: left; }
  .pc-footer-grid { grid-template-columns: 1fr; }
  .pc-footer-bottom { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }

/* AI-focused server page — v1.2.0 */
.pc-server-ai-page { background: #fff; }
.server-ai-hero {
  overflow: hidden;
  position: relative;
  padding: clamp(72px, 8vw, 122px) 0 clamp(80px, 9vw, 132px);
  background:
    radial-gradient(circle at 84% 16%, rgba(66,133,244,.20), transparent 30%),
    linear-gradient(180deg, #f7faff 0%, #eef5ff 100%);
}
.server-ai-hero::before {
  content: "";
  width: 480px;
  height: 480px;
  position: absolute;
  left: -260px;
  bottom: -260px;
  border-radius: 50%;
  background: rgba(66,133,244,.07);
}
.server-ai-hero-grid {
  display: grid;
  grid-template-columns: minmax(0,.92fr) minmax(440px,1.08fr);
  align-items: center;
  gap: clamp(48px,7vw,104px);
  position: relative;
  z-index: 1;
}
.server-ai-hero-copy h1 {
  max-width: 780px;
  margin: 18px 0 22px;
  color: var(--pc-ink);
  font-size: clamp(54px,6.6vw,92px);
  line-height: .96;
  letter-spacing: -.066em;
}
.server-ai-lead {
  max-width: 680px;
  margin: 0;
  color: var(--pc-muted);
  font-size: clamp(19px,2vw,23px);
  line-height: 1.6;
}
.server-ai-access-note {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--pc-muted);
  font-size: 14px;
  line-height: 1.5;
}
.server-ai-access-note > span {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #4285f4;
  box-shadow: 0 0 0 6px rgba(66,133,244,.12);
}
.server-ai-visual {
  overflow: hidden;
  position: relative;
  min-width: 0;
  aspect-ratio: 1.45;
  border: 8px solid rgba(255,255,255,.9);
  border-radius: 32px;
  background: #dbeafe;
  box-shadow: 0 34px 96px rgba(32,75,143,.22);
}
.server-ai-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.server-ai-visual-label {
  max-width: 330px;
  position: absolute;
  left: 20px;
  bottom: 20px;
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,.82);
  border-radius: 16px;
  color: #fff;
  background: rgba(8,29,67,.82);
  box-shadow: 0 15px 42px rgba(0,0,0,.2);
  backdrop-filter: blur(15px);
}
.server-ai-visual-label span {
  display: block;
  color: #a8c7fa;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.server-ai-visual-label strong {
  display: block;
  margin-top: 5px;
  line-height: 1.45;
}
.server-ai-intro { background: #fff; }
.server-ai-stage-head { max-width: 980px; }
.server-ai-stage-head .pc-lead { max-width: 720px; margin-top: 20px; }
.server-ai-feature-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 18px;
  margin-top: 48px;
}
.server-ai-feature-grid article {
  min-height: 270px;
  padding: clamp(28px,4vw,42px);
  border: 1px solid var(--pc-line);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 14px 44px rgba(28,70,134,.07);
}
.server-ai-feature-grid article:nth-child(2) { background: var(--pc-blue-soft); }
.server-ai-feature-grid article > span {
  color: var(--pc-blue);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .1em;
}
.server-ai-feature-grid h3 {
  margin: 58px 0 12px;
  color: var(--pc-ink);
  font-size: clamp(24px,2.8vw,32px);
  letter-spacing: -.04em;
}
.server-ai-feature-grid p {
  margin: 0;
  color: var(--pc-muted);
  line-height: 1.65;
}
.server-ai-world-section { background: var(--pc-surface-2); }
.server-ai-world-grid {
  display: grid;
  grid-template-columns: minmax(0,.84fr) minmax(460px,1.16fr);
  gap: clamp(52px,8vw,112px);
  align-items: start;
}
.server-ai-world-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line);
}
.server-ai-world-list article {
  display: grid;
  grid-template-columns: minmax(150px,.55fr) minmax(0,1fr);
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--pc-line);
}
.server-ai-world-list strong {
  color: var(--pc-ink);
  font-size: 17px;
}
.server-ai-world-list p {
  margin: 0;
  color: var(--pc-muted);
  line-height: 1.65;
}
.server-ai-access-section { background: #fff; }
.server-ai-access-card {
  padding: clamp(34px,6vw,72px);
  border-radius: 32px;
  color: #fff;
  background: linear-gradient(135deg,#0b1f44 0%,#174ea6 62%,#4285f4 130%);
  box-shadow: 0 34px 100px rgba(17,58,126,.24);
}
.server-ai-access-card .pc-eyebrow { color: #a8c7fa; }
.server-ai-access-card h2 {
  max-width: 900px;
  margin: 10px 0 16px;
  font-size: clamp(38px,5vw,66px);
  line-height: 1;
  letter-spacing: -.056em;
}
.server-ai-access-card > div > p:last-child {
  max-width: 760px;
  color: #dce8ff;
  font-size: 17px;
  line-height: 1.65;
}
.server-ai-access-card ol {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 14px;
  margin: 42px 0 34px;
  padding: 0;
  list-style: none;
}
.server-ai-access-card li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 13px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 18px;
  background: rgba(255,255,255,.08);
}
.server-ai-access-card li > span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: #174ea6;
  background: #fff;
  font-weight: 850;
}
.server-ai-access-card li strong { display: block; line-height: 1.35; }
.server-ai-access-card li small {
  display: block;
  margin-top: 6px;
  color: #dce8ff;
  line-height: 1.5;
}
.server-ai-access-card .pc-button-primary {
  color: #174ea6;
  background: #fff;
}
.server-ai-access-card .pc-button-primary:hover { background: #eff5ff; }
.server-ai-access-card .pc-button-secondary {
  color: #fff;
  border-color: rgba(255,255,255,.32);
  background: rgba(255,255,255,.08);
}
.server-ai-guide-strip { padding-top: 38px; }
.server-ai-guide-inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  padding-top: 60px;
  border-top: 1px solid var(--pc-line);
}
.server-ai-guide-inner h2 {
  max-width: 720px;
  margin: 8px 0 12px;
  color: var(--pc-ink);
  font-size: clamp(34px,4.2vw,56px);
  line-height: 1.02;
  letter-spacing: -.05em;
}
.server-ai-guide-inner p:last-child {
  max-width: 700px;
  margin: 0;
  color: var(--pc-muted);
  line-height: 1.65;
}

@media (max-width: 980px) {
  .server-ai-hero-grid,
  .server-ai-world-grid { grid-template-columns: 1fr; }
  .server-ai-visual { width: min(760px,100%); }
  .server-ai-feature-grid { grid-template-columns: 1fr; }
  .server-ai-feature-grid article { min-height: 0; }
  .server-ai-feature-grid h3 { margin-top: 34px; }
  .server-ai-access-card ol { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .server-ai-hero { padding: 58px 0 82px; }
  .server-ai-hero-copy h1 { font-size: clamp(48px,14vw,68px); }
  .server-ai-visual { border-width: 5px; border-radius: 23px; }
  .server-ai-visual-label { right: 12px; left: 12px; bottom: 12px; max-width: none; }
  .server-ai-world-list article { grid-template-columns: 1fr; gap: 8px; }
  .server-ai-access-card { padding: 30px 23px; border-radius: 24px; }
  .server-ai-guide-inner { align-items: start; flex-direction: column; }
  .server-ai-guide-inner .pc-button { width: 100%; }
}



/* Semi-production account profile — v1.3.0 */
.account-production-body { background: #f5f8fe; }
.account-production-shell { padding-top: 42px; }
.account-production-heading { align-items: center; }
.account-global-message { margin-bottom: 18px; }
.account-schema-notice { display: flex; gap: 10px; align-items: center; margin-bottom: 18px; padding: 15px 18px; border: 1px solid #f3cf78; border-radius: 16px; color: #6a4900; background: #fff8df; }
.account-schema-notice span { color: #7b6330; }
.account-production-layout { display: grid; grid-template-columns: 250px minmax(0,1fr); gap: 22px; align-items: start; }
.account-rail { position: sticky; top: 92px; padding: 20px; border: 1px solid var(--pc-line); border-radius: 22px; background: #fff; box-shadow: var(--pc-shadow-sm); }
.account-rail-summary { display: flex; align-items: center; gap: 13px; padding-bottom: 18px; border-bottom: 1px solid var(--pc-line); }
#profile-completion-ring { --profile-progress: 0deg; width: 58px; height: 58px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; color: #174ea6; background: conic-gradient(#4285f4 var(--profile-progress), #e6eefc 0); font-size: 13px; font-weight: 850; position: relative; }
#profile-completion-ring::before { content: ""; position: absolute; inset: 7px; z-index: -1; border-radius: 50%; background: #fff; }
#profile-completion-ring { isolation: isolate; }
.account-rail-summary div strong, .account-rail-summary div small { display: block; }
.account-rail-summary div small { margin-top: 4px; color: var(--pc-muted); line-height: 1.35; }
.account-rail nav { display: grid; gap: 4px; margin: 16px 0; }
.account-rail nav a { padding: 10px 12px; border-radius: 10px; color: var(--pc-ink); font-size: 14px; font-weight: 720; }
.account-rail nav a:hover { color: #174ea6; background: #edf4ff; }
.account-rail-security { padding: 13px; border-radius: 13px; background: #eef5ff; }
.account-rail-security strong, .account-rail-security span { display: block; }
.account-rail-security span { margin-top: 4px; color: #46658d; font-size: 12px; }
.account-production-main { min-width: 0; }
.account-production-main .account-section { scroll-margin-top: 96px; padding: clamp(24px,4vw,36px); border-radius: 24px; }
.profile-settings-form { display: grid; gap: 24px; margin-top: 22px; }
.profile-form-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.profile-form-grid.two { grid-template-columns: repeat(2,minmax(0,1fr)); }
.profile-parent-note { margin: -12px 0 0; color: var(--pc-muted); font-size: 13px; line-height: 1.5; }
.profile-settings-form .field { align-content: start; }
.profile-settings-form .field small { color: var(--pc-muted); line-height: 1.45; }
.profile-divider { height: 1px; background: var(--pc-line); }
.profile-subheading { display: flex; justify-content: space-between; align-items: end; gap: 16px; }
.profile-subheading h3 { margin: 5px 0 0; font-size: 24px; letter-spacing: -.035em; }
.profile-not-verified { padding: 7px 10px; border-radius: 999px; color: #6b4b00; background: #fff4ce; font-size: 12px; font-weight: 760; }
.profile-save-row { display: flex; align-items: center; justify-content: flex-end; gap: 18px; }
#profile-save-status { margin: 0 auto 0 0; color: var(--pc-muted); font-size: 14px; }
#profile-save-status.success { color: #0b7a3e; }
#profile-save-status.error { color: #b3261e; }
.minecraft-verification-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(320px,.75fr); gap: 20px; margin-top: 22px; }
.minecraft-verification-status, .minecraft-verification-actions { padding: 22px; border: 1px solid var(--pc-line); border-radius: 18px; background: var(--pc-surface-2); }
.minecraft-verification-status h3 { margin: 15px 0 8px; font-size: 22px; }
.minecraft-verification-status p { margin: 0; color: var(--pc-muted); }
.minecraft-verification-actions { display: grid; align-content: start; gap: 14px; }
.account-family-layout { grid-template-columns: minmax(280px,360px) minmax(0,1fr); }
.family-player-card { background: #fff; }
.family-player-card .account-status { flex: 0 0 auto; }
.account-status { display: inline-flex; align-items: center; width: max-content; padding: 6px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; }
.account-status.success { color: #08783e; background: #e4f7ed; }
.account-status.warning { color: #7a5300; background: #fff3cb; }

@media (max-width: 980px) {
  .account-production-layout { grid-template-columns: 1fr; }
  .account-rail { position: static; }
  .account-rail nav { display: flex; overflow-x: auto; padding-bottom: 3px; }
  .account-rail nav a { white-space: nowrap; }
  .profile-form-grid { grid-template-columns: 1fr 1fr; }
  .profile-form-grid .field:first-child { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  .account-production-shell { width: min(100% - 24px,var(--pc-max)); padding-top: 28px; }
  .account-production-heading, .account-section-heading, .profile-subheading, .profile-save-row { align-items: stretch; flex-direction: column; }
  .profile-form-grid, .profile-form-grid.two, .minecraft-verification-grid, .account-family-layout { grid-template-columns: 1fr; }
  .profile-form-grid .field:first-child { grid-column: auto; }
  .profile-save-row .pc-button, .minecraft-verification-actions .pc-button { width: 100%; }
}

/* Profile identity and booking flow — v1.4.0 */
.account-profile-heading {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}
.account-profile-icon,
.profile-preview-avatar,
.class-player-avatar,
.class-profile-icon-demo {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #fff;
  background:
    radial-gradient(circle at 30% 22%, rgba(255,255,255,.3), transparent 26%),
    linear-gradient(145deg, #4285f4, #174ea6);
  box-shadow: 0 14px 34px rgba(66,133,244,.24);
}
.account-profile-icon {
  width: 72px;
  height: 72px;
  border: 5px solid #fff;
  border-radius: 24px;
}
.account-profile-icon span,
.profile-preview-avatar span {
  font-size: 22px;
  font-weight: 850;
  letter-spacing: -.04em;
}
.account-heading-meta {
  margin: 6px 0 0;
  color: var(--pc-muted);
  font-size: 14px;
}
.profile-preview-card {
  display: grid;
  grid-template-columns: auto minmax(0,1fr) auto;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding: 18px;
  border: 1px solid rgba(66,133,244,.18);
  border-radius: 20px;
  background: linear-gradient(135deg,#f7faff,#edf4ff);
}
.profile-preview-avatar {
  width: 58px;
  height: 58px;
  border-radius: 18px;
}
.profile-preview-copy {
  min-width: 0;
}
.profile-preview-copy > span {
  display: block;
  color: #4285f4;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.profile-preview-copy strong {
  display: block;
  margin-top: 3px;
  color: var(--pc-ink);
  font-size: 19px;
}
.profile-preview-copy small {
  display: block;
  overflow: hidden;
  margin-top: 3px;
  color: var(--pc-muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.profile-preview-edit {
  color: #174ea6;
  font-weight: 800;
  text-decoration: none;
}
.profile-preview-edit:hover { text-decoration: underline; }
.account-all-classes { margin-top: 16px; }

/* Class schedule */
.class-booking-hero {
  padding: clamp(66px,8vw,110px) 0;
  color: #fff;
  background:
    radial-gradient(circle at 86% 10%, rgba(138,180,248,.42), transparent 31%),
    linear-gradient(135deg,#0b1f44 0%,#174ea6 63%,#4285f4 120%);
}
.class-booking-hero-grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(330px,.72fr);
  align-items: end;
  gap: clamp(42px,7vw,90px);
}
.class-booking-hero h1 {
  max-width: 900px;
  margin: 14px 0 18px;
  font-size: clamp(48px,6vw,82px);
  line-height: .98;
  letter-spacing: -.062em;
}
.class-booking-hero p:not(.pc-eyebrow) {
  max-width: 720px;
  margin: 0;
  color: #dce8ff;
  font-size: clamp(17px,2vw,21px);
  line-height: 1.65;
}
.class-booking-hero .pc-eyebrow { color: #a8c7fa; }
.class-booking-steps {
  display: grid;
  gap: 10px;
  padding: 22px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 22px;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
}
.class-booking-steps span {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 11px;
  color: #fff;
  font-weight: 700;
}
.class-booking-steps b {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: #174ea6;
  background: #fff;
}
.class-schedule-stage { background: #f7faff; }
.class-schedule-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 38px;
}
.class-schedule-heading h2 {
  margin: 8px 0 12px;
  color: var(--pc-ink);
  font-size: clamp(36px,5vw,62px);
  line-height: 1;
  letter-spacing: -.052em;
}
.class-schedule-heading p:last-child {
  max-width: 720px;
  margin: 0;
  color: var(--pc-muted);
  line-height: 1.65;
}
.class-schedule-status {
  min-width: 190px;
  padding: 18px 20px;
  border: 1px solid var(--pc-line);
  border-radius: 18px;
  background: #fff;
}
.class-schedule-status span {
  display: block;
  color: var(--pc-muted);
  font-size: 12px;
  font-weight: 750;
}
.class-schedule-status strong {
  display: block;
  margin-top: 4px;
  color: var(--pc-ink);
}
.class-product-grid { display: grid; gap: 18px; }
.class-product-card {
  display: grid;
  grid-template-columns: minmax(0,1fr) 240px;
  gap: 28px;
  padding: clamp(26px,4vw,42px);
  border: 1px solid var(--pc-line);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(22,68,137,.07);
}
.class-product-type {
  color: #4285f4;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .08em;
}
.class-product-card h2 {
  margin: 9px 0 12px;
  color: var(--pc-ink);
  font-size: clamp(28px,3.4vw,42px);
  line-height: 1.06;
  letter-spacing: -.04em;
}
.class-product-card p {
  max-width: 760px;
  margin: 0;
  color: var(--pc-muted);
  line-height: 1.65;
}
.class-time-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.class-time-preview li {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border: 1px solid rgba(66,133,244,.18);
  border-radius: 12px;
  color: #174ea6;
  background: #f4f8ff;
}
.class-time-preview li.is-full {
  color: #6b7280;
  border-color: #e4e8ef;
  background: #f7f8fa;
}
.class-time-preview small { color: inherit; opacity: .78; }
.class-more-times {
  display: block;
  margin-top: 10px;
  color: var(--pc-muted);
}
.class-product-card-action {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  padding-left: 26px;
  border-left: 1px solid var(--pc-line);
}
.class-product-card-action > span,
.class-product-card-action > small {
  color: var(--pc-muted);
  font-size: 12px;
}
.class-product-card-action > strong {
  color: var(--pc-ink);
  font-size: 24px;
}
.class-product-card-action .pc-button { margin-top: 12px; }
.class-profile-explainer { background: #fff; }
.class-profile-explainer-grid {
  display: grid;
  grid-template-columns: 150px minmax(0,1fr);
  align-items: center;
  gap: clamp(30px,6vw,72px);
  max-width: 980px;
}
.class-profile-icon-demo {
  width: 140px;
  height: 140px;
  border-radius: 42px;
}
.class-profile-icon-demo span {
  font-size: 42px;
  font-weight: 850;
}
.class-profile-explainer h2 {
  margin: 8px 0 14px;
  color: var(--pc-ink);
  font-size: clamp(36px,5vw,58px);
  line-height: 1;
  letter-spacing: -.052em;
}
.class-profile-explainer p {
  max-width: 760px;
  color: var(--pc-muted);
  line-height: 1.65;
}

.booking-modal-open { overflow: hidden; }
.class-booking-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
}
.class-booking-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5,18,44,.62);
  backdrop-filter: blur(8px);
}
.class-booking-dialog {
  width: min(620px,calc(100vw - 28px));
  max-height: calc(100vh - 30px);
  overflow: auto;
  position: absolute;
  top: 50%;
  left: 50%;
  padding: clamp(24px,4vw,38px);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 32px 100px rgba(0,0,0,.28);
  transform: translate(-50%,-50%);
}
.class-booking-close {
  width: 38px;
  height: 38px;
  position: absolute;
  top: 18px;
  right: 18px;
  border: 0;
  border-radius: 12px;
  color: #3c4658;
  background: #eef2f7;
  font-size: 24px;
  cursor: pointer;
}
.class-booking-dialog-head { padding-right: 44px; }
.class-booking-dialog-head h2 {
  margin: 7px 0 9px;
  color: var(--pc-ink);
  font-size: clamp(30px,5vw,42px);
  letter-spacing: -.045em;
}
.class-booking-dialog-head > p:last-child {
  margin: 0 0 22px;
  color: var(--pc-muted);
  line-height: 1.6;
}
.class-booking-signin {
  padding: 24px;
  border: 1px solid rgba(66,133,244,.2);
  border-radius: 20px;
  background: #f4f8ff;
}
.class-booking-signin strong {
  display: block;
  color: var(--pc-ink);
  font-size: 21px;
}
.class-booking-signin p {
  color: var(--pc-muted);
  line-height: 1.6;
}
.class-booking-signin .pc-button { width: 100%; margin: 8px 0 14px; }
.class-booking-form { display: grid; gap: 18px; }
.class-booking-form .field {
  display: grid;
  gap: 7px;
}
.class-booking-form label,
.class-payment-fieldset legend {
  color: var(--pc-ink);
  font-weight: 800;
}
.class-booking-form select {
  width: 100%;
  min-height: 48px;
  padding: 0 13px;
  border: 1px solid #dbe2ec;
  border-radius: 13px;
  color: var(--pc-ink);
  background: #fff;
}
.class-booking-form .field small { color: var(--pc-muted); line-height: 1.45; }
.class-player-preview {
  display: grid;
  grid-template-columns: 52px minmax(0,1fr) auto;
  align-items: center;
  gap: 13px;
  padding: 14px;
  border: 1px solid rgba(66,133,244,.18);
  border-radius: 16px;
  background: #f4f8ff;
}
.class-player-avatar {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  font-weight: 850;
}
.class-player-preview span,
.class-player-preview small {
  display: block;
  color: var(--pc-muted);
  font-size: 12px;
}
.class-player-preview strong {
  display: block;
  margin: 2px 0;
  color: var(--pc-ink);
}
.class-player-preview > a {
  color: #174ea6;
  font-weight: 800;
  text-decoration: none;
}
.class-payment-fieldset {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}
.class-payment-methods { display: grid; gap: 9px; }
.class-payment-option {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 11px;
  padding: 14px;
  border: 1px solid #dbe2ec;
  border-radius: 14px;
  cursor: pointer;
}
.class-payment-option:has(input:checked) {
  border-color: #4285f4;
  box-shadow: 0 0 0 3px rgba(66,133,244,.1);
  background: #f7faff;
}
.class-payment-option input { margin-top: 3px; accent-color: #4285f4; }
.class-payment-option strong,
.class-payment-option small { display: block; }
.class-payment-option small {
  margin-top: 4px;
  color: var(--pc-muted);
  font-weight: 500;
  line-height: 1.45;
}
.class-payment-note,
.class-payment-unavailable {
  margin: 0;
  padding: 11px 13px;
  border-radius: 12px;
  color: #7a4d00;
  background: #fff7df;
  line-height: 1.5;
}
.class-booking-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 15px;
  border-top: 1px solid var(--pc-line);
}
.class-booking-summary span { color: var(--pc-muted); }
.class-booking-summary strong { color: var(--pc-ink); font-size: 24px; }
.class-booking-submit,
.class-booking-form > .pc-button { width: 100%; }
.class-booking-terms {
  color: var(--pc-muted);
  line-height: 1.5;
  text-align: center;
}

@media (max-width: 820px) {
  .class-booking-hero-grid { grid-template-columns: 1fr; }
  .class-product-card { grid-template-columns: 1fr; }
  .class-product-card-action {
    padding: 20px 0 0;
    border-top: 1px solid var(--pc-line);
    border-left: 0;
  }
  .class-schedule-heading { align-items: start; flex-direction: column; }
  .class-schedule-status { width: 100%; }
}
@media (max-width: 640px) {
  .account-profile-heading { align-items: flex-start; }
  .account-profile-icon { width: 60px; height: 60px; border-radius: 19px; }
  .profile-preview-card { grid-template-columns: auto minmax(0,1fr); }
  .profile-preview-edit { grid-column: 2; }
  .class-booking-hero { padding: 54px 0 70px; }
  .class-booking-hero h1 { font-size: clamp(44px,13vw,62px); }
  .class-profile-explainer-grid { grid-template-columns: 1fr; }
  .class-profile-icon-demo { width: 92px; height: 92px; border-radius: 28px; }
  .class-profile-icon-demo span { font-size: 28px; }
  .class-player-preview { grid-template-columns: 46px minmax(0,1fr); }
  .class-player-preview > a { grid-column: 2; }
}

/* Email-code verification and duplicate-submit protection — v1.4.1 */
.pc-auth-minimal-header .pc-header-inner { justify-content: flex-start; }
.pc-code-verification-shell { width: min(680px,calc(100% - 32px)); }
.pc-verification-card { width: 100%; padding: clamp(28px,5vw,52px); }
.pc-verification-card > p { max-width: 560px; line-height: 1.65; }
.verification-code-form {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}
.verification-code-form .field {
  display: grid;
  gap: 7px;
  align-content: start;
}
.verification-code-form label {
  color: var(--pc-ink);
  font-weight: 800;
}
.verification-code-form input {
  width: 100%;
  min-height: 52px;
  padding: 0 15px;
  border: 1px solid #dbe2ec;
  border-radius: 14px;
  color: var(--pc-ink);
  background: #fff;
  font: inherit;
}
.verification-code-form input:focus {
  outline: 0;
  border-color: #4285f4;
  box-shadow: 0 0 0 4px rgba(66,133,244,.13);
}
.verification-code-form small,
.verification-send-status {
  margin: 0;
  color: var(--pc-muted);
  font-size: 13px;
  line-height: 1.5;
}
.verification-send-button {
  width: 100%;
  min-height: 60px;
  margin-top: 2px;
  font-size: 18px;
}
.verification-send-button:disabled {
  color: #5d6a7e;
  background: #e8edf5;
  box-shadow: none;
  cursor: not-allowed;
}
.verification-code-input {
  height: 70px !important;
  min-height: 70px !important;
  padding-left: calc(.28em + 15px) !important;
  color: #174ea6 !important;
  font-size: clamp(28px,6vw,38px) !important;
  font-weight: 850 !important;
  letter-spacing: .28em;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.verification-submit-button {
  width: 100%;
  min-height: 54px;
}
.auth-form[data-submitting="true"] {
  cursor: progress;
}
.auth-form[data-submitting="true"] .field,
.auth-form[data-submitting="true"] .auth-submit-note {
  opacity: .68;
}
.auth-form[data-submitting="true"] button[type="submit"],
.verification-code-form[data-verifying="true"] button[type="submit"] {
  position: relative;
  cursor: wait;
}
.auth-form[data-submitting="true"] button[type="submit"]::before,
.verification-code-form[data-verifying="true"] button[type="submit"]::before {
  content: "";
  width: 16px;
  height: 16px;
  display: inline-block;
  margin-right: 9px;
  border: 2px solid rgba(255,255,255,.45);
  border-top-color: #fff;
  border-radius: 50%;
  vertical-align: -2px;
  animation: auth-button-spin .7s linear infinite;
}
.auth-submit-note {
  display: block;
  margin: -7px 0 0;
  color: var(--pc-muted);
  font-size: 12px;
  line-height: 1.45;
  text-align: center;
}
@keyframes auth-button-spin { to { transform: rotate(360deg); } }

@media (max-width: 640px) {
  .pc-code-verification-shell { width: min(100% - 20px,680px); padding: 24px 0 44px; }
  .pc-verification-card { padding: 26px 20px; }
  .verification-code-input {
    height: 62px !important;
    min-height: 62px !important;
    font-size: 30px !important;
  }
}

/* Password visibility controls — v1.4.2 */
.password-input-shell {
  position: relative;
  width: 100%;
}
.password-input-shell > input {
  width: 100%;
  padding-right: 54px !important;
}
.password-visibility-toggle {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  position: absolute;
  top: 50%;
  right: 5px;
  transform: translateY(-50%);
  padding: 0;
  border: 0;
  border-radius: 11px;
  color: #52637a;
  background: transparent;
  cursor: pointer;
  transition: color .16s ease, background-color .16s ease, box-shadow .16s ease;
}
.password-visibility-toggle:hover {
  color: #174ea6;
  background: #edf4ff;
}
.password-visibility-toggle:focus-visible {
  outline: 0;
  color: #174ea6;
  background: #edf4ff;
  box-shadow: 0 0 0 3px rgba(66,133,244,.2);
}
.password-visibility-toggle:disabled {
  opacity: .45;
  cursor: not-allowed;
}
.password-eye {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.password-eye-closed { display: none; }
.password-visibility-toggle[aria-pressed="true"] .password-eye-open { display: none; }
.password-visibility-toggle[aria-pressed="true"] .password-eye-closed { display: block; }

@media (max-width: 640px) {
  .password-visibility-toggle {
    width: 38px;
    height: 38px;
    right: 4px;
  }
  .password-input-shell > input {
    padding-right: 50px !important;
  }
}

/* Privacy-safe email verification help — v1.4.3 */
.verification-account-help {
  display: grid;
  gap: 4px;
  padding: 15px 16px;
  border: 1px solid #cfe0ff;
  border-radius: 14px;
  color: #42526a;
  background: #f2f7ff;
  font-size: 13px;
  line-height: 1.5;
}
.verification-account-help strong {
  color: #174ea6;
  font-size: 13px;
}
.verification-account-help a {
  color: #174ea6;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.verification-account-help a:hover {
  color: #0b57d0;
}



/* Production audit fixes — v1.10.0 */
.pc-doc-spaced-heading { margin-top: 28px; }
.pc-callout-spaced { margin-top: 20px; }
.pc-copy-helper { position: fixed; right: 0; bottom: 0; width: 1px; height: 1px; padding: 0; border: 0; opacity: 0; pointer-events: none; }
#profile-completion-ring[data-progress="0"] { background: conic-gradient(#4285f4 0deg, #e6eefc 0); }
#profile-completion-ring[data-progress="33"] { background: conic-gradient(#4285f4 118.8deg, #e6eefc 0); }
#profile-completion-ring[data-progress="67"] { background: conic-gradient(#4285f4 241.2deg, #e6eefc 0); }
#profile-completion-ring[data-progress="100"] { background: conic-gradient(#4285f4 360deg, #e6eefc 0); }