/* Shared site chrome: header, brand, mode nav, account control, transfer dialog.
   Loaded on every page after verbs.css (tokens) and before page-specific CSS. */

/* Reserve the scrollbar gutter on every page. Without this, navigating from a
   scrolling page to one that fits the viewport widens the centered layout by
   the scrollbar width and the whole header shifts sideways. */
html{scrollbar-gutter:stable;}
@supports not (scrollbar-gutter:stable){
  html{overflow-y:scroll;}
}

.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.site-header button{font:inherit;cursor:pointer;}
.site-header-actions{display:flex;align-items:center;gap:10px;}
.site-brand{display:inline-flex;align-items:center;gap:13px;color:var(--ink);text-decoration:none;}
.site-brand-mark{font:700 30px/1 var(--display);letter-spacing:-.04em;}
.site-brand-mark span{color:var(--persimmon);font-style:italic;}
.site-brand-name{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;}
.mode-nav{display:inline-flex;padding:4px;border:1px solid var(--line);border-radius:100px;background:rgba(255,255,255,.72);box-shadow:0 8px 30px -24px rgba(22,31,51,.7);}
.mode-nav a{padding:7px 14px;border-radius:100px;color:var(--muted);font-size:13px;font-weight:700;text-decoration:none;}
.mode-nav a[aria-current="page"]{background:var(--ink);color:white;}
.mode-nav a:focus-visible,.site-brand:focus-visible{outline:2px solid var(--indigo);outline-offset:3px;}
.settings-launch{min-height:38px;padding:7px 12px;border:1px solid var(--line);border-radius:100px;background:rgba(255,255,255,.88);color:var(--indigo);font-size:11px;font-weight:700;}
.settings-launch:hover{border-color:var(--indigo-soft);background:white;}
.settings-launch:focus-visible{outline:2px solid var(--indigo);outline-offset:3px;}

.account-control{position:relative;z-index:100;}
.account-chip{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;padding:7px 12px;border:1px solid var(--line);border-radius:100px;background:rgba(255,255,255,.88);color:var(--muted);font-size:11px;font-weight:700;white-space:nowrap;}
.account-chip:hover{border-color:var(--indigo-soft);color:var(--indigo);}
.account-chip[data-account-state="signed-in"]{width:40px;height:40px;min-height:40px;padding:3px;border-color:transparent;background:var(--ink);color:white;}
.account-chip-avatar{display:grid;place-items:center;width:100%;height:100%;border-radius:50%;font:600 13px var(--display);letter-spacing:.03em;}
.account-chip-avatar[hidden]{display:none;}
.account-chip[data-sync-state="pending"]::after,.account-chip[data-sync-state="offline"]::after,.account-chip[data-sync-state="reauth"]::after,.account-chip[data-sync-state="error"]::after{content:"";position:absolute;right:-1px;bottom:-1px;width:9px;height:9px;border:2px solid var(--paper);border-radius:50%;background:#c18b37;}
.account-chip[data-sync-state="reauth"]::after,.account-chip[data-sync-state="error"]::after{background:#b44444;}
.account-menu{position:absolute;top:calc(100% + 10px);right:0;width:min(330px,calc(100vw - 28px));padding:17px;border:1px solid var(--line);border-radius:14px;background:white;color:var(--ink);box-shadow:0 24px 60px -25px rgba(22,31,51,.72);}
.account-menu[hidden],.account-menu [hidden]{display:none;}
.account-menu .section-kicker{margin:0 0 5px;}
.account-menu h2{margin:0;font:600 21px/1.25 var(--display);}
.account-menu-copy{margin:8px 0 13px;color:var(--muted);font-size:12px;line-height:1.5;}
.account-menu-profile{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:center;}
.account-menu-profile > span:last-child{display:grid;min-width:0;}
.account-menu-profile b,.account-menu-profile small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.account-menu-profile b{font-size:12px;}
.account-menu-profile small{margin-top:2px;color:var(--muted);font-size:10px;}
.account-avatar{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--ink);color:white;font:600 13px var(--display);}
.account-attention{margin:13px 0 0;padding:9px 10px;border-radius:9px;background:#fff8e8;color:#76551f;font-size:11px;line-height:1.45;}
.account-sign-out{width:100%;margin-top:14px;padding:9px 10px;border:1px solid var(--line-soft);border-radius:9px;background:white;color:var(--muted);font-size:11px;font-weight:700;text-align:left;}
.account-menu-actions{margin:15px -17px -17px;padding:9px;border-top:1px solid var(--line-soft);}
.account-menu-actions button{width:100%;padding:9px 10px;border:0;border-radius:8px;background:white;color:var(--ink);font-size:12px;font-weight:700;text-align:left;}
.account-menu-actions button:hover,.account-sign-out:hover{background:var(--paper-2);color:var(--indigo);}
.google-sign-in{display:flex;align-items:center;min-height:40px;}
.google-sign-in-loading{color:var(--muted);font-size:11px;}
.google-sign-in-retry{min-height:38px;padding:7px 12px;border:1px solid var(--line);border-radius:9px;background:white;color:var(--indigo);font-size:11px;font-weight:700;}
.account-privacy-note{margin:9px 0 0;color:var(--muted);font-size:10px;line-height:1.4;}

.primary-button,.secondary-button{min-height:49px;border-radius:11px;font-weight:700;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;}
.primary-button{display:inline-flex;align-items:center;justify-content:center;padding:11px 21px;border:1px solid var(--ink);background:var(--ink);color:white;text-decoration:none;box-shadow:0 10px 20px -15px rgba(22,31,51,.9);}
.primary-button:hover{background:var(--indigo);border-color:var(--indigo);}
.secondary-button{padding:11px 17px;border:1px solid var(--line);background:white;color:var(--indigo);}
.primary-button:active,.secondary-button:active{transform:translateY(1px);}

.settings-dialog{width:min(520px,calc(100% - 28px));max-height:calc(100dvh - 28px);padding:0;overflow-y:auto;border:0;border-radius:16px;background:white;color:var(--ink);box-shadow:0 30px 90px -25px rgba(22,31,51,.75);}
.settings-dialog::backdrop{background:rgba(22,31,51,.45);backdrop-filter:blur(3px);}
.settings-dialog form{padding:25px;}
.settings-dialog button{font:inherit;cursor:pointer;}
.settings-dialog button:focus-visible,.settings-dialog select:focus-visible,.settings-dialog input:focus-visible{outline:3px solid rgba(47,71,122,.32);outline-offset:2px;}
.transfer-dialog-body{padding:27px;}
.transfer-dialog-body .section-kicker{margin:0 0 7px;}
.transfer-dialog-body h2{margin:0;font:700 28px/1.2 var(--display);}
.transfer-dialog-body > p:not(.section-kicker){margin:13px 0 0;color:var(--muted);font-size:13px;line-height:1.5;}
.transfer-actions{display:flex;gap:9px;margin-top:23px;}
.transfer-actions > *{flex:1;}

@media (max-width:700px){
  .site-header{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:11px 14px;align-items:center;}
  .site-header-actions{display:contents;}
  .site-brand{gap:8px;}
  .site-brand{grid-column:1;grid-row:1;}
  .site-brand-mark{font-size:25px;}
  .site-brand-name{display:none;}
  .mode-nav{grid-column:1/-1;grid-row:2;width:100%;}
  .mode-nav a{flex:1;padding:6px 5px;font-size:10px;text-align:center;}
  .account-control{grid-column:2;grid-row:1;}
  .account-chip{min-height:32px;padding:5px 9px;font-size:10px;}
  .account-chip[data-account-state="signed-in"]{width:34px;height:34px;min-height:34px;padding:3px;}
  .account-menu{top:calc(100% + 8px);}
  .transfer-actions{flex-direction:column;}
}

@media (prefers-reduced-motion:reduce){
  .primary-button,.secondary-button{transition:none;}
}

/* Full-width header band: identical geometry on every page, independent of
   each page's content column width (study 1020, glossary 1120, privacy 820…).
   The header must never move between pages. */
.site-chrome{width:min(1180px,calc(100% - 40px));margin:0 auto;padding-top:28px;}
@media (max-width:700px){
  .site-chrome{width:calc(100% - 24px);padding-top:16px;}
}