/*
 * Activity screens (Arena, Live Event, Audience, Altitude, Apps), the Home
 * feed and the "How it works" guides. Extends the class contract in
 * orbit.css; colours come only from theme tokens (Bright / Dark / Universe).
 */

/* ---------------------------------------------------------------- shell -- */
.act-screen { padding-bottom: 24px; }
.act-header { align-items: flex-start; gap: 10px; }
.act-header-text { flex: 1 1 auto; min-width: 0; }
.act-header .orbit-title { overflow-wrap: anywhere; }
.orbit-back {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  min-height: 44px;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  background: var(--glass);
  color: var(--text);
  cursor: pointer;
}
.orbit-back:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.act-grow { flex: 1 1 auto; min-width: 0; }
.act-spacer { flex: 1 1 auto; }
.act-block { display: block; }
.act-center { text-align: center; }
.act-big { display: block; font-size: 1.25rem; font-weight: 650; line-height: 1.25; overflow-wrap: anywhere; }
.act-chips, .act-tags, .act-actions, .act-metas { flex-wrap: wrap; gap: 8px; }
.act-actions { align-items: center; margin-top: 12px; }
.act-meta { display: inline-flex; align-items: center; gap: 6px; min-width: 0; color: var(--muted); font-size: .9rem; }
.act-meta > span { overflow: hidden; text-overflow: ellipsis; }
.act-subline { flex-wrap: wrap; gap: 10px; align-items: center; }

.act-flash {
  margin: 0;
  padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--brand) 40%, var(--glass-border));
  border-radius: 14px;
  background: var(--glass);
  font-size: .95rem;
}
.act-flash.is-error { border-color: color-mix(in srgb, var(--live) 55%, var(--glass-border)); color: var(--live); }
.act-loading { display: flex; align-items: center; gap: 10px; padding: 16px; }
.act-loading svg { animation: act-spin 1s linear infinite; }
@keyframes act-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .act-loading svg { animation: none; } }
.act-error { display: flex; flex-direction: column; gap: 10px; padding: 14px; color: var(--text); }
.act-error-text { margin: 0; color: var(--live); font-weight: 600; }
.act-warn { margin: 6px 0 0; color: var(--live); text-align: right; }

/* ---------------------------------------------------------------- arena -- */
.act-kind-grid { gap: 10px; }
.act-kind-card {
  display: flex;
  flex-direction: column;
  min-height: 140px;
  padding: 0;
  overflow: hidden;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  font: inherit;
}
.act-kind-art {
  display: block;
  height: 72px;
  background:
    radial-gradient(circle at 75% 40%, color-mix(in srgb, var(--amber) 55%, transparent) 0 14px, transparent 15px),
    linear-gradient(180deg, color-mix(in srgb, var(--violet) 40%, transparent), color-mix(in srgb, var(--tone, var(--brand)) 30%, transparent));
}
.act-kind-foot { gap: 8px; padding: 10px; align-items: center; }
.act-kind-text { display: flex; flex-direction: column; min-width: 0; }
.act-kind-text strong { font-size: 1.05rem; }

.act-row { padding: 14px; }
.act-row-open {
  display: flex;
  gap: 12px;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--text);
  text-align: left;
  font: inherit;
  cursor: pointer;
}
.act-row-body { display: flex; flex: 1 1 auto; flex-direction: column; gap: 6px; min-width: 0; }
.act-row-title { flex-wrap: wrap; gap: 8px; align-items: center; }
.act-row-name { font-size: 1.05rem; overflow-wrap: anywhere; }
.act-invite {
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--glass-border);
  user-select: all;
}

.act-form { padding: 16px; }
.act-field { display: flex; flex-direction: column; gap: 6px; }
.act-field-label { color: var(--muted); font-size: .9rem; font-weight: 600; }
.act-field .orbit-field, .act-form .orbit-field { width: 100%; min-height: 44px; font-size: 1rem; }
.act-when { margin: 0; }
.act-when.is-error { color: var(--live); }
.act-toggle { display: flex; align-items: center; gap: 12px; min-height: 48px; cursor: pointer; }
.act-toggle-text { display: flex; flex: 1 1 auto; flex-direction: column; gap: 2px; min-width: 0; }
.act-switch { width: 24px; height: 24px; accent-color: var(--brand); }
.act-code { margin: 0; color: var(--brand); font-size: 1.9rem; font-weight: 700; letter-spacing: .12em; user-select: all; }

/* ------------------------------------------------------------ live event -- */
.act-owner { gap: 10px; flex-wrap: wrap; align-items: center; padding: 12px; }
.act-course-card { padding: 10px; }
.act-course-wrap { width: 100%; }
.act-course { display: block; width: 100%; height: auto; }
.act-course .course-lake { fill: color-mix(in srgb, var(--sky) 22%, transparent); }
.act-course .course-glow { fill: none; stroke: var(--brand); stroke-opacity: .25; stroke-width: 3.4; stroke-linecap: round; stroke-linejoin: round; }
.act-course .course-line { fill: none; stroke: var(--brand); stroke-width: 1.1; stroke-linecap: round; stroke-linejoin: round; }
.act-course .course-start { fill: var(--good); }
.act-course .course-finish { fill: var(--live); }
.act-course .course-flag { fill: var(--good); font-weight: 650; }
.act-course .course-flag.is-finish { fill: var(--live); }
.act-course .course-dot { fill: var(--tone, var(--brand)); stroke: var(--bg); stroke-width: .4; }
.act-course .course-runner circle { fill: var(--tone-soft, var(--glass)); stroke: var(--tone, var(--brand)); stroke-width: .6; }
.act-course .course-runner text { fill: var(--text); font-weight: 650; }
.act-course .course-runner .course-speed { fill: var(--muted); font-weight: 600; }

.act-strip { display: flex; gap: 14px; overflow-x: auto; padding: 8px 4px; }
.act-strip-item { display: flex; flex: 0 0 72px; flex-direction: column; align-items: center; gap: 3px; text-align: center; }
.act-strip-item strong { max-width: 72px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.act-strip-rank { color: var(--brand); font-weight: 700; }
.act-strip-empty { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 18px 8px; color: var(--muted); text-align: center; }

.act-two { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 10px; }
.act-progress, .act-alt-tile { display: flex; flex-direction: column; gap: 6px; padding: 14px; min-width: 0; }
.act-progress p, .act-alt-tile p { margin: 0; }
.act-alt-tile { color: var(--text); text-align: left; font: inherit; cursor: pointer; }
.act-toggles { padding: 12px 14px; }
.act-toggles .orbit-row { align-items: center; gap: 12px; }
.act-info { padding: 14px; }
.act-info-row { gap: 10px; align-items: center; min-height: 40px; }
.act-info-row strong { overflow-wrap: anywhere; text-align: right; }

/* -------------------------------------------------------------- audience -- */
.act-banner { gap: 10px; align-items: center; padding: 14px; }
.act-hero { display: flex; flex-direction: column; gap: 12px; padding: 16px; }
.act-hero .person { width: 58px; height: 58px; font-size: 1.1rem; }
.act-first { color: var(--amber); font-weight: 700; }
.act-lead { flex-wrap: wrap; gap: 10px; align-items: center; padding: 14px; }
.act-gap, .act-checkpoint, .act-profile, .act-react-card { padding: 14px; }
.act-gap p, .act-checkpoint p { margin: 0; }
.act-chart { width: 100%; }
.act-chart .orbit-chart { display: block; width: 100%; height: auto; }
.orbit-chart .chart-line.series-1 { stroke: var(--violet); }
.orbit-chart .chart-line.series-2 { stroke: var(--coral); }
.orbit-chart .chart-line.series-3 { stroke: var(--sky); }
.orbit-chart .chart-label.is-strong { fill: var(--text); font-weight: 650; }
.orbit-chart .chart-marker { fill: var(--tone, var(--brand)); stroke: var(--bg); stroke-width: 2; }
.orbit-chart .chart-marker[data-tone="good"] { fill: var(--good); }
.act-legend { flex-wrap: wrap; gap: 14px; }
.act-legend-item { display: inline-flex; align-items: center; gap: 6px; }
.act-swatch { display: inline-block; width: 16px; height: 4px; border-radius: 2px; background: var(--brand); }
.act-swatch.series-1 { background: var(--violet); }
.act-swatch.series-2 { background: var(--coral); }
.act-swatch.series-3 { background: var(--sky); }
.act-reactions { flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-around; }
.act-reaction { width: 52px; height: 52px; min-height: 44px; border-radius: 50%; font-size: 1.5rem; cursor: pointer; }
.act-cheers .act-cheer { gap: 8px; align-items: center; }
.act-cheers .person { width: 28px; height: 28px; font-size: .6875rem; }
.act-cheer-input { gap: 10px; align-items: center; }
.act-cheer-input .orbit-field { font-size: 1rem; }
.act-send { width: 50px; min-width: 50px; min-height: 50px; padding: 0; border-radius: 50%; }

.act-screen .lb-row,
.guide-host .lb-row {
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  row-gap: 2px;
}
.act-screen .lb-rank, .guide-host .lb-rank, .act-screen .lb-avatar, .guide-host .lb-avatar { grid-row: 1 / 3; }
.act-screen .lb-name, .guide-host .lb-name { grid-column: 3; grid-row: 1; }
.act-screen .lb-gap, .guide-host .lb-gap { grid-column: 3; grid-row: 2; text-align: left; letter-spacing: 0; }
.act-screen .lb-primary, .guide-host .lb-primary { grid-column: 4; grid-row: 1; }
.act-screen .lb-secondary, .guide-host .lb-secondary { grid-column: 4; grid-row: 2; }
.lb-row.is-me { border-color: color-mix(in srgb, var(--coral) 55%, var(--glass-border)); }
.lb-row.is-first { border-color: color-mix(in srgb, var(--amber) 55%, var(--glass-border)); }

/* -------------------------------------------------------------- altitude -- */
.act-alt-hero { display: flex; flex-direction: column; gap: 10px; padding: 16px; }
.act-alt-hero p { margin: 0; }
.act-alt-value { display: block; color: var(--brand); font-size: 2.6rem; font-weight: 700; letter-spacing: -.02em; }
.act-group { display: flex; flex-direction: column; gap: 10px; padding: 14px; color: var(--text); text-align: left; font: inherit; cursor: pointer; }
.act-group .orbit-row { align-items: center; gap: 12px; }

/* ------------------------------------------------------------------ apps -- */
.act-apps-section { padding: 12px; }
.act-tile-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
@media (min-width: 560px) { .act-tile-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.act-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-height: 132px;
  padding: 12px 6px;
  color: var(--text);
  text-align: center;
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}
.act-tile.is-phone-only { opacity: .6; }
.act-tile.is-phone-only .act-tile-sub { color: var(--amber); }
.act-tile-title { font-size: .9rem; line-height: 1.25; overflow-wrap: anywhere; }
.act-tile-sub { color: var(--muted); font-size: .8rem; line-height: 1.3; }
.act-emoji { font-size: 1.5rem; }

/* ------------------------------------------------------------- home feed -- */
.act-home-feed { margin: 8px 0 16px; }
.act-greet { gap: 12px; align-items: center; flex-wrap: wrap; }
.act-explore { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 8px 14px; border-radius: 999px; color: var(--text); text-align: left; font: inherit; cursor: pointer; }
.act-carousel { display: flex; gap: 12px; overflow-x: auto; padding: 4px 2px 10px; scroll-snap-type: x mandatory; }
.act-carousel > [role="listitem"] { flex: 0 0 min(300px, 85%); scroll-snap-align: start; }
.act-feature { display: flex; flex-direction: column; gap: 8px; height: 100%; padding: 16px; }
.act-feature .act-actions { margin-top: auto; }
.act-list { padding: 6px; }
.act-list-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 56px;
  padding: 8px;
  border: 0;
  border-radius: 14px;
  background: none;
  color: var(--text);
  text-align: left;
  font: inherit;
  cursor: pointer;
}
.act-list-row + .act-list-row { border-top: 1px solid var(--glass-border); }

/* ---------------------------------------------------------------- guides -- */
.guide-host {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 16px;
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(var(--orbit-blur, 12px));
  -webkit-backdrop-filter: blur(var(--orbit-blur, 12px));
}
.guide-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: min(520px, 100%);
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  padding: 18px;
}
.guide-head { align-items: center; gap: 10px; }
.guide-snapshot {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 34px 14px 14px;
  border: 1px dashed var(--glass-border);
  border-radius: 20px;
  pointer-events: none;
}
.guide-snapshot > .badge-example { position: absolute; top: 10px; left: 12px; }
.guide-snapshot .glass { padding: 12px; }
.guide-count { margin: 0; font-size: .85rem; }
.guide-title { margin: 0; font-size: 1.4rem; }
.guide-body { margin: 0; font-size: 1.05rem; line-height: 1.5; }
.guide-dots { display: flex; justify-content: center; gap: 6px; }
.guide-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--glass-border); }
.guide-dot.is-active { background: var(--brand); }
.guide-actions { justify-content: space-between; gap: 10px; }
.guide-actions .glow-btn { flex: 1 1 0; }