/* Unpaged app chrome. Colors, fonts and base elements come from the shared
   Social Shields stylesheet (https://socialshields.org/brand.css); this file is layout. */

* { box-sizing: border-box; }
html, body { height: 100%; }
body.ss { display: flex; flex-direction: column; min-height: 100%; }
[hidden] { display: none !important; }
button, input { font: inherit; color: inherit; }

/* Top bar: the floating rounded bar from socialshields.org, with the home link and this site's few links */
.bar-wrap { width: 100%; position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; padding-top: 14px; padding-bottom: 14px; pointer-events: none; }
.topbar { pointer-events: auto; display: flex; align-items: center; gap: 8px 20px; background: var(--ss-card); border: 1px solid var(--ss-line); border-radius: var(--ss-radius-lg); box-shadow: var(--ss-shadow); padding: 8px 10px 8px 16px; }
.topbar .ss-home { margin-right: auto; }
.topnav { display: flex; align-items: center; }
.topnav > * { display: flex; align-items: center; height: 48px; padding: 0 14px; font: 600 19px var(--ss-nav); color: var(--ss-fg); white-space: nowrap; }
.topnav .product { color: var(--ss-green-dark); border-right: 1px solid var(--ss-line); margin-right: 6px; padding-right: 20px; }
.ss .topnav a { border-radius: var(--ss-radius); color: var(--ss-muted); transition: background .2s, color .2s; }
.ss .topnav a:hover, .ss .topnav a[aria-current="page"] { background: var(--ss-bg-soft); color: var(--ss-ink); }

/* Page frame: a gray hero band with the page heading, then the content */
.page { flex: 1; width: 100%; }
.hero { background: var(--ss-hero-bg); }
.hero-in { display: grid; gap: 14px; padding-block: 56px 48px; }
.hero-in.split { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 32px; align-items: center; padding-block: 64px 56px; }
.hero-text { display: grid; gap: 14px; }
.ss .hero h1.title { font-size: clamp(2.2rem, 5vw, 3.6rem); overflow-wrap: anywhere; }
.body { padding-block: 40px 64px; display: grid; gap: 24px; align-content: start; }
.body.cols { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); align-items: start; }
.stack { display: grid; gap: 16px; }
.muted { color: var(--ss-muted); }
.ss a.link, .ss .prose a { color: var(--ss-green-dark); font-weight: 600; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.ss a.link:hover, .ss .prose a:hover { color: var(--ss-green); text-decoration-thickness: 2px; }
.error { color: #9b2c1b; font-size: 14px; min-height: 1.4em; }
.error:empty { min-height: 0; }

/* Buttons: brand.css provides .ss-btn and .ss-btn--ghost */
.ss-btn { min-height: 44px; }
.ss-btn:disabled { opacity: .45; cursor: default; transform: none; }
.btn-quiet { min-height: 44px; padding: 0 14px; border: 0; border-radius: 999px; background: none; cursor: pointer; font: 600 14px var(--ss-body); color: var(--ss-muted); }
.btn-quiet:hover { background: var(--ss-bg-soft); color: var(--ss-ink); }

/* Cards: white on the page gray, a hairline, no shadow. Only the card that floats on the hero has one. */
.card { background: var(--ss-card); border: 1px solid var(--ss-line); border-radius: var(--ss-radius-lg); padding: 32px; display: grid; gap: 16px; align-content: start; }
.ss .card h2 { font-size: 1.875rem; }
.card.float { box-shadow: var(--ss-shadow); padding: 28px; }
.card.list-card { padding-bottom: 20px; gap: 20px; }
.field { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--ss-muted); }
.field input[type="text"], .field input[type="password"] {
  min-height: 44px; padding: 8px 14px; border: 1px solid var(--ss-line); border-radius: var(--ss-radius);
  background: #fff; font-weight: 400; color: var(--ss-fg); width: 100%;
}
.field input[type="file"] { font-weight: 400; color: var(--ss-fg); max-width: 100%; }
.field input:focus-visible { outline: 2px solid var(--ss-green); outline-offset: 2px; }
.code-input.code-input { font: 500 28px/1.2 var(--ss-mono); letter-spacing: .25em; text-align: center; text-transform: uppercase; padding: 12px; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

/* Lists of courses and decks: one line per item under a rule; a line that opens something ends in a green arrow */
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; padding: 12px 0; border-top: 1px solid var(--ss-line); min-height: 68px; }
.list .name { flex: 1 1 200px; min-width: 0; color: var(--ss-fg); overflow-wrap: anywhere; }
.list .meta { font-size: 14px; color: var(--ss-muted); white-space: nowrap; }
.list .open { flex: 1 1 200px; min-width: 0; min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 16px; text-align: left; background: none; border: 0; padding: 0; cursor: pointer; color: var(--ss-fg); overflow-wrap: anywhere; transition: color .2s; }
.list .open:hover { color: var(--ss-green-dark); }
.list li:has(.open)::after { content: ""; flex: none; width: 20px; height: 20px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%23006456' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 10h12M11 5l5 5-5 5'/%3E%3C/svg%3E") center / contain no-repeat; transition: transform .2s var(--ss-ease); pointer-events: none; }
.list li:has(.open:hover)::after { transform: translateX(4px); }
.list .open:focus-visible { outline-offset: 4px; border-radius: 6px; }
.list .locked .name { color: var(--ss-muted); }
.badge { font: 500 13px/1 var(--ss-mono); padding: 6px 10px; border-radius: 999px; border: 1px solid var(--ss-line); background: var(--ss-card); color: var(--ss-ink); white-space: nowrap; }
.badge.live { background: var(--ss-green-dark); border-color: var(--ss-green-dark); color: #fff; }
.empty { color: var(--ss-muted); padding: 16px 0 12px; border-top: 1px solid var(--ss-line); }
.codechip { font: 500 20px/1 var(--ss-mono); letter-spacing: .12em; color: var(--ss-ink); }

/* Viewer: the page being shown fills the screen */
.viewer { position: fixed; inset: 0; display: grid; grid-template: auto minmax(0, 1fr) auto / minmax(0, 1fr); background: var(--ss-bg); z-index: 40; }
.viewer.with-list { grid-template: auto minmax(0, 1fr) auto / 240px minmax(0, 1fr); grid-template-areas: "bar bar" "list stage" "list nav"; }
.viewer .bar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; padding: 8px max(16px, env(safe-area-inset-right, 0px)) 8px max(16px, env(safe-area-inset-left, 0px)); background: var(--ss-card); border-bottom: 1px solid var(--ss-line); }
.viewer .bar .title { font: 600 17px/1.3 var(--ss-nav); color: var(--ss-ink); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.viewer .bar .spacer { flex: 1; }
.viewer .bar .stat { font-size: 14px; color: var(--ss-muted); white-space: nowrap; }
.viewer .bar .stat b { color: var(--ss-ink); font-weight: 600; }
.viewer.with-list .bar { grid-area: bar; }
.viewer.with-list .stage-wrap { grid-area: stage; padding: 16px; }
.stage-wrap { min-height: 0; min-width: 0; }
iframe.stage { border: 0; width: 100%; height: 100%; display: block; background: var(--ss-bg); }
.viewer.with-list iframe.stage { border: 1px solid var(--ss-line); border-radius: var(--ss-radius); }
.viewer .nav { display: flex; justify-content: center; align-items: center; gap: 14px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px)); background: var(--ss-card); border-top: 1px solid var(--ss-line); }
.viewer.with-list .nav { grid-area: nav; background: none; border: 0; padding-top: 0; padding-bottom: 16px; }
.viewer .nav { flex-wrap: wrap; }
.viewer .nav .quiz-stat { font-size: 14px; color: var(--ss-muted); padding-left: 14px; border-left: 1px solid var(--ss-line); }
.viewer .nav .pos { min-width: 5.5em; text-align: center; font-variant-numeric: tabular-nums; font-size: 14px; color: var(--ss-muted); }
.page-list { grid-area: list; min-height: 0; overflow-y: auto; border-right: 1px solid var(--ss-line); background: var(--ss-card); padding: 8px; }
.page-list button { display: block; width: 100%; min-height: 40px; text-align: left; border: 0; border-radius: 10px; background: none; padding: 8px 10px; font-size: 14px; cursor: pointer; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.page-list button:hover { background: var(--ss-bg-soft); }
.page-list button[aria-current="true"] { background: var(--ss-green-dark); color: #fff; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #9b2c1b; margin-right: 6px; }
.dot.on { background: var(--ss-green-dark); }

/* Guide prose */
.prose { max-width: 720px; display: grid; gap: 12px; }
.ss .prose h2 { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--ss-line); }
.prose h3 { margin-top: 12px; }
.prose ul, .prose ol { margin: 0; padding-left: 22px; display: grid; gap: 6px; }
.prose code { background: var(--ss-bg-soft); padding: 1px 5px; border-radius: 4px; }
.prose pre { margin: 0; background: var(--ss-hero-bg); border-radius: var(--ss-radius); padding: 14px 16px; overflow-x: auto; line-height: 1.5; }
.prose pre code { background: none; padding: 0; }
.table-wrap { overflow-x: auto; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15px; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 10px 14px 10px 0; border-bottom: 1px solid var(--ss-line); }
.prose th { font-size: 14px; color: var(--ss-muted); font-weight: 600; }

@media (max-width: 820px) {
  .viewer.with-list { grid-template: auto minmax(0, 1fr) auto / minmax(0, 1fr); grid-template-areas: "bar" "stage" "nav"; }
  .page-list { display: none; }
  .viewer.with-list .stage-wrap { padding: 8px; }
  .topbar { padding: 8px 10px; gap: 4px; }
  .topbar .ss-home span { display: none; }
  .topnav > * { height: 44px; padding: 0 10px; font-size: 16px; }
  .topnav .product { padding-right: 12px; }
  .hero-in, .hero-in.split { grid-template-columns: minmax(0, 1fr); padding-block: 40px 36px; text-align: center; justify-items: center; }
  .hero-text { justify-items: center; }
  .hero-in .row { justify-content: center; }
  .hero-in .card { text-align: left; width: 100%; max-width: 460px; }
  .body { padding-block: 28px 48px; gap: 16px; }
  .body.cols { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 24px; }
}
@media (prefers-reduced-motion: reduce) { .list .open, .list li::after, .topnav a { transition: none; } }