/* retro-stream.io — one small stylesheet, no external fonts or CDNs. */
:root {
  --bg: #f6f5fb; --fg: #17151f; --muted: #5d5a6b; --card: #ffffff; --line: #dedbe8;
  --accent: #5b4bdb; --accent-fg: #ffffff; --danger: #b3261e; --warn-bg: #fff4d6; --ok-bg: #e5f6ea;
  --radius: 12px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121119; --fg: #ecebf3; --muted: #a29fb3; --card: #1c1a26; --line: #2e2b3c;
          --accent: #8b7dff; --accent-fg: #0d0b16; --danger: #ff8a80; --warn-bg: #3a2f10; --ok-bg: #133222; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
       font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.top { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px;
       border-bottom: 1px solid var(--line); background: var(--card); }
.top nav { display: flex; gap: 14px; align-items: center; }
.brand { display: flex; gap: 8px; align-items: center; font-weight: 700; text-decoration: none; color: var(--fg); }
main { max-width: 1040px; margin: 0 auto; padding: 24px 16px 48px; }
.foot { text-align: center; color: var(--muted); font-size: 14px; padding: 24px; }
.panel { max-width: 460px; margin: 0 auto; background: var(--card); border: 1px solid var(--line);
         border-radius: var(--radius); padding: 24px; }
.panel.wide { max-width: 760px; }
.panel.two { max-width: 860px; display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 760px) { .panel.two { grid-template-columns: 1fr 1fr; } }
h1 { font-size: 1.6rem; margin: 0 0 16px; line-height: 1.25; }
h2 { font-size: 1.1rem; margin: 28px 0 8px; }
label { display: block; font-weight: 600; margin: 14px 0 4px; }
input[type=text], input[type=email], input[type=password] {
  width: 100%; font: inherit; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--bg); color: var(--fg); }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
button, .button { display: inline-block; font: inherit; font-weight: 600; margin-top: 16px; padding: 10px 18px;
  border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg);
  cursor: pointer; text-decoration: none; }
button.secondary, .button.secondary { background: transparent; color: var(--accent); }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.link { background: none; border: none; padding: 0; margin: 0; color: var(--accent); font-weight: 400; text-decoration: underline; }
button.link.danger, a.danger { color: var(--danger); background: none; }
button:disabled { opacity: .55; cursor: progress; }
.button.compact { margin: 0; padding: 6px 12px; font-size: 14px; }
form.inline { display: inline; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hint, .small { color: var(--muted); font-size: 14px; margin: 4px 0; }
.optional { color: var(--muted); font-weight: 400; }
.error { background: color-mix(in srgb, var(--danger) 14%, transparent); border-left: 4px solid var(--danger); padding: 10px 12px; border-radius: 6px; }
.notice { background: var(--ok-bg); padding: 10px 12px; border-radius: 6px; }
.warn { background: var(--warn-bg); padding: 10px 12px; border-radius: 6px; }
meter { width: 100%; height: 8px; margin-top: 6px; }
.rows { list-style: none; padding: 0; margin: 0; }
.rows li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.badge { font-size: 12px; background: var(--ok-bg); padding: 2px 8px; border-radius: 99px; }
.qr { display: flex; justify-content: center; margin: 16px 0; min-height: 60px; }
.qr svg { width: 220px; height: 220px; background: #fff; padding: 8px; border-radius: 8px; }
.code, .code-input { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1.6rem; letter-spacing: .12em; text-align: center; }
.secret { font-size: 1rem; letter-spacing: .08em; word-break: break-all; }
.center { text-align: center; }
.codes { columns: 2; font-family: ui-monospace, monospace; font-size: 1.1rem; }
.hero { text-align: center; padding: 40px 0 24px; }
.hero h1 { font-size: 2.4rem; }
.hero p { max-width: 640px; margin: 0 auto 12px; color: var(--muted); }
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.prose p, .prose li { max-width: 68ch; }
.prose table { border-collapse: collapse; width: 100%; max-width: 68ch; margin: 0.5rem 0 1rem; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 0.35rem 0.6rem 0.35rem 0; border-bottom: 1px solid var(--line); }
.steps li { margin-bottom: 4px; }
details { margin-top: 20px; }
.qr img { background: #fff; padding: 8px; border-radius: 8px; }
/* Box pages (Phase B) */
h3 { font-size: 1rem; margin: 20px 0 4px; }
select { font: inherit; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); }
select:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.actions select, .actions input[type=text] { width: auto; flex: 1 1 160px; margin-top: 16px; }
.rows .actions { align-items: center; gap: 10px; }
.rows .actions select { margin: 0; flex: 0 0 auto; }
.passkey { margin-top: 20px; padding-top: 4px; border-top: 1px solid var(--line); }
/* Friends and parties (Phase D) */
.who { display: flex; align-items: center; gap: 10px; min-width: 0; }
.avatar { flex: 0 0 auto; width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
          font-weight: 700; font-size: 14px; background: color-mix(in srgb, var(--accent) 22%, var(--card)); color: var(--fg); }
.avatar.empty { background: transparent; border: 2px dashed var(--line); color: var(--muted); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--line); margin-right: 4px; vertical-align: middle; }
.dot.on { background: #2e9e5b; }
.seats { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.seats li { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; display: flex; flex-direction: column; gap: 6px; }
.seats .seat { font-size: 12px; font-weight: 700; color: var(--muted); letter-spacing: .06em; }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 400; }
.link-out { word-break: break-all; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }