/* Layout and components. Values come from tokens.css; no colour or font is written here.
   No inline styles anywhere in the app, so the content security policy can forbid them. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 var(--size-body)/1.5 var(--font-sans);
}
a { color: var(--navy); }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }
[hidden] { display: none !important; }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 8px; top: -60px; z-index: 50; padding: 10px 14px; border-radius: var(--radius);
  background: var(--navy); color: var(--paper); text-decoration: none; }
.skip:focus { top: 8px; color: var(--paper); }

/* Background grids from the design */
.grid-on-navy {
  background-image: linear-gradient(rgba(143, 180, 217, .10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 180, 217, .10) 1px, transparent 1px);
  background-size: 16px 16px;
}
.grid-on-paper {
  background-image: linear-gradient(rgba(20, 54, 95, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 54, 95, .05) 1px, transparent 1px);
  background-size: 16px 16px;
}

/* Type */
.label { font: 400 var(--size-label)/1.4 var(--font-mono); letter-spacing: var(--tracking-label); color: var(--slate); text-transform: uppercase; }
.mono { font-family: var(--font-mono); }
.h1 { margin: 0; font: 400 var(--size-h1)/1.05 var(--font-serif); letter-spacing: -0.02em; }
.h2 { margin: 0; font: 500 var(--size-h2)/1.25 var(--font-serif); }
.lede { margin: 0; color: var(--slate); max-width: 640px; }

/* Buttons and controls */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: var(--tap); padding: 0 18px;
  border-radius: var(--radius); font: 500 var(--size-body) var(--font-sans); cursor: pointer; text-decoration: none;
  transition: background-color .15s ease-out; }
.btn-primary { background: var(--navy); color: var(--paper); border: 1px solid var(--navy); }
.btn-primary:hover { background: var(--navy-deep); color: var(--paper); }
.btn-secondary { background: transparent; color: var(--navy); border: 1px solid var(--line-control); }
.btn-secondary:hover { background: var(--paper-press); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.seg-group { display: inline-flex; padding: 3px; gap: 2px; border: 1px solid var(--rule-strong); border-radius: var(--radius);
  background: var(--paper-light); }
.seg { min-height: 36px; padding: 0 14px; border: 0; border-radius: var(--radius-small); font: 500 var(--size-small) var(--font-mono);
  cursor: pointer; background: transparent; color: var(--navy); }
.seg[aria-pressed="true"] { background: var(--navy); color: var(--paper); }

.field { display: flex; flex-direction: column; gap: 6px; }
.field input { min-height: var(--tap); padding: 0 12px; border: 1px solid var(--line-control); border-radius: var(--radius);
  background: var(--paper-light); color: var(--ink); font: 400 16px var(--font-sans); }
.field-error { margin: 0; color: var(--dusk-deep); font-size: var(--size-small); }

.card { background: var(--paper-light); border: 1px solid var(--rule); border-radius: var(--radius); padding: 24px; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px;
  font: 400 var(--size-label) var(--font-mono); letter-spacing: var(--tracking-label); }
.pill-sample { background: var(--low-sun); color: var(--ink); }

/* ---------- App frame ---------- */
.app { display: flex; min-height: 100vh; }

.rail { flex: 0 0 var(--rail-width); position: sticky; top: 0; align-self: flex-start; height: 100vh; overflow-y: auto;
  background: var(--navy); color: var(--paper); padding: 32px 20px; display: flex; flex-direction: column; gap: 40px; }
.rail :focus-visible { outline-color: var(--paper); }
.brand { display: flex; flex-direction: column; gap: 6px; padding: 0 12px; color: inherit; text-decoration: none; }
.brand svg { margin-bottom: 14px; }
.brand-name { font: 400 26px/1.1 var(--font-serif); letter-spacing: -0.01em; }
.brand-line { font: italic 400 15px var(--font-serif); color: var(--blue); }

.nav-list { display: flex; flex-direction: column; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav { display: flex; gap: 12px; align-items: center; min-height: var(--tap); padding: 0 12px; border-radius: var(--radius);
  color: var(--paper); text-decoration: none; font-size: var(--size-body); transition: background-color .15s ease-out; }
.nav:hover { background: var(--on-navy-hover); color: var(--paper); }
.nav[aria-current="page"] { background: var(--on-navy-active); }
.nav-num { font: 400 12px var(--font-mono); color: var(--blue); }

.coach-link { display: flex; flex-direction: column; gap: 4px; padding: 14px 12px; border-top: 1px solid rgba(143, 180, 217, .35);
  color: var(--paper); text-decoration: none; }
.coach-link:hover { color: var(--paper); background: var(--on-navy-hover); }
.coach-link .label { color: var(--blue); }
.coach-link span:last-child { font-size: 14px; line-height: 1.45; }

.sheet { margin: auto 0 0; border: 1px solid var(--on-navy-rule); font: 400 var(--size-label) var(--font-mono); color: var(--blue);
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sheet div { padding: 8px 10px; min-width: 0; }
.sheet div:nth-child(odd) { border-right: 1px solid var(--on-navy-rule); }
.sheet div:nth-child(-n+2) { border-bottom: 1px solid var(--on-navy-rule); }
.sheet dt { letter-spacing: var(--tracking-label); }
.sheet dd { margin: 0; color: var(--paper); font-size: var(--size-small); overflow-wrap: anywhere; }

.main { flex: 1 1 auto; min-width: 0; padding: 32px clamp(16px, 4vw, 48px) 64px; }
.page { max-width: var(--content-max); margin: 0 auto; display: flex; flex-direction: column; gap: 32px; }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; }
.page-head-text { display: flex; flex-direction: column; gap: 8px; }
.page-head-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.page-head .h1:focus { outline: none; }

.placeholder { display: flex; flex-direction: column; gap: 8px; }
.placeholder p { margin: 0; color: var(--slate); }

.footer { border-top: 1px solid var(--rule-strong); padding-top: 16px; display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: 12px; font-size: var(--size-small); color: var(--slate); line-height: 1.5; }
.footer span:first-child { max-width: 640px; }
.footer span:last-child { font: 400 var(--size-label) var(--font-mono); }

/* Phone header and bottom tab bar: hidden on wide screens */
.phone-bar, .tabbar { display: none; }

/* ---------- Sign in ---------- */
.signin { min-height: 100vh; display: grid; place-items: center; padding: 32px 16px; }
.signin-card { width: 100%; max-width: 440px; background: var(--paper-light); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 32px; display: flex; flex-direction: column; gap: 20px; }
.signin-brand { display: flex; align-items: center; gap: 14px; color: var(--navy); }
.signin-brand .brand-name { font-size: 22px; }
.signin form { display: flex; flex-direction: column; gap: 16px; }
.signin p { margin: 0; }
.signin .note { color: var(--slate); font-size: var(--size-small); }

/* ---------- Phones (under 900 px): the rail becomes a bottom tab bar ---------- */
@media (max-width: 899.98px) {
  .rail { display: none; }
  .main { padding: 16px 16px calc(var(--tabbar-height) + 32px + env(safe-area-inset-bottom)); }
  .page { gap: 24px; }

  .phone-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: -16px -16px 0;
    padding: 12px 16px; margin-bottom: 8px; background: var(--navy); color: var(--paper); }
  .phone-bar .brand-name { font-size: 18px; }
  .phone-bar-brand { display: flex; align-items: center; gap: 10px; color: var(--paper); text-decoration: none; }
  .phone-bar-sheet { font: 400 var(--size-label) var(--font-mono); color: var(--blue); text-align: right; line-height: 1.4; }
  .phone-bar-sheet b { font-weight: 400; color: var(--paper); }

  .tabbar { display: grid; grid-template-columns: repeat(5, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
    height: calc(var(--tabbar-height) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
    background: var(--navy); border-top: 1px solid var(--on-navy-rule); margin: 0; padding-left: 0; padding-right: 0; list-style: none; }
  .tab { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; height: 100%;
    color: var(--paper); text-decoration: none; font-size: 12px; }
  .tab .nav-num { font-size: 11px; }
  .tab[aria-current="page"] { background: var(--on-navy-active); box-shadow: inset 0 2px 0 var(--blue); }
  .tabbar :focus-visible { outline-color: var(--paper); outline-offset: -3px; }
}

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

/* ---------------------------------------------------------------- membership and payment */
.card + .card { margin-top: 16px; }
.note { color: var(--slate); font-size: var(--size-small); }
.plans { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.plan { display: grid; gap: 4px; padding: 16px; border: 1px solid var(--line-control); border-radius: var(--radius); cursor: pointer; }
.plan input { justify-self: start; margin: 0 0 4px; }
.plan-on { border-color: var(--navy); box-shadow: inset 0 0 0 1px var(--navy); }
.plan-name { font-weight: 500; }
.plan-price { font: 500 20px var(--font-serif); }
.summary-box ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; }
.ticks { display: grid; gap: 12px; margin: 8px 0 16px; }
.tick { display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start; }
.tick input { width: 20px; height: 20px; margin: 2px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.confirm { display: grid; gap: 10px; padding: 16px; border: 1px solid var(--line-control); border-radius: var(--radius); }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0 0 12px; }
.facts dt { color: var(--slate); }
.facts dd { margin: 0; }
.receipt { padding: 16px; border: 1px solid var(--navy); border-radius: var(--radius); }
.withdraw-link { display: block; padding: 10px 12px; color: var(--low-sun); font-size: var(--size-small); }
.withdraw-link[hidden] { display: none; }
.phone-bar ~ .withdraw-link { display: none; }
@media (max-width: 900px) {
  .main > .withdraw-link:not([hidden]) { display: block; color: var(--navy); text-decoration: underline; padding: 8px 0; }
}
.field select { min-height: var(--tap); padding: 0 12px; border: 1px solid var(--line-control); border-radius: var(--radius);
  background: var(--paper); font: inherit; color: var(--ink); max-width: 360px; }
.age-check { display: grid; gap: 10px; margin-top: 14px; justify-items: start; }