:root {
  --bg0: var(--ui-bg-soft, #fff3e0);
  --bg1: var(--ui-bg-end, #e6f2ff);
  --ink: var(--ui-text, #1d1a16);
  --muted: var(--ui-text-muted, #5f5b55);
  --line: var(--ui-line, #eadfd2);
  --card: var(--ui-surface, rgba(255, 255, 255, 0.9));
  --accent: var(--ui-brand, #ff9a3c);
  --accent2: var(--ui-accent, #38bfa6);
  --shadow: var(--ui-shadow-sm, 0 14px 28px rgba(25, 20, 12, 0.08));
  --radius: var(--ui-radius-lg, 18px);
  --font-body: var(--ui-font, "Source Sans 3", "Segoe UI", "Trebuchet MS", sans-serif);
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", "Palatino", serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 800px at 5% 5%, var(--bg0), transparent 60%),
    radial-gradient(900px 600px at 95% 10%, var(--bg1), transparent 55%),
    #fffaf4;
}

.page {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 18px 48px;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 30px;
  letter-spacing: 0.3px;
}

.hero .subtitle {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  animation: rise 0.6s ease forwards;
  animation-delay: var(--delay, 0s);
  opacity: 0;
  transform: translateY(8px);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 18px;
  font-family: var(--font-display);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.meta {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.label {
  font-size: 12px;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  color: var(--muted);
}

input[type="text"],
input[type="password"],
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

textarea {
  min-height: 180px;
  resize: vertical;
  font-family: "SFMono-Regular", "Menlo", "Consolas", monospace;
  font-size: 12px;
}

input:focus,
textarea:focus {
  border-color: rgba(255, 154, 60, 0.7);
  box-shadow: 0 0 0 3px rgba(255, 154, 60, 0.18);
}

button {
  border: 1px solid rgba(255, 154, 60, 0.35);
  background: linear-gradient(135deg, rgba(255, 154, 60, 0.95), rgba(56, 191, 166, 0.95));
  color: #111;
  border-radius: 12px;
  padding: 8px 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(255, 154, 60, 0.18);
}

button.secondary {
  background: #fff;
  border-color: var(--line);
  box-shadow: none;
  color: var(--ink);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(255, 154, 60, 0.15);
  border: 1px solid rgba(255, 154, 60, 0.25);
  font-size: 12px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.stat {
  border: 1px dashed rgba(255, 154, 60, 0.4);
  border-radius: 12px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.6);
}

.stat .value {
  font-size: 18px;
  font-weight: 700;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .hero {
    align-items: flex-start;
  }

  .hero h1 {
    font-size: 24px;
  }
}

/* -------------------------------------------------------------------------- */
/* App UI (ship-ready static pages: / and /app)                                */
/* -------------------------------------------------------------------------- */

body[data-ui="app"] {
  /* Mobile-first, cute light theme (no black background). */
  background: var(--ui-bg-soft, #f2f2f2);
  --app-bg: var(--ui-bg-start, #fff7fb);
  --app-border: var(--ui-line, rgba(29, 26, 22, 0.12));
  --app-text: rgba(29, 26, 22, 0.92);
  --app-muted: rgba(29, 26, 22, 0.68);
  --app-muted2: rgba(29, 26, 22, 0.52);
  --app-brand: var(--ui-brand, #2ea8ff);
  --app-brand2: var(--ui-accent, #ff7aa2);
  --app-ok: var(--ui-success, #22c55e);
  --app-warn: var(--ui-warning, #f59e0b);
  --app-bad: var(--ui-danger, #fb7185);
  --app-shadow: var(--ui-shadow-md, 0 18px 50px rgba(29, 26, 22, 0.14));
  --app-shadow2: 0 10px 0 rgba(29, 26, 22, 0.03), var(--ui-shadow-md, 0 18px 50px rgba(29, 26, 22, 0.12));
  --app-shadow3: 0 8px 0 rgba(29, 26, 22, 0.025), 0 20px 34px rgba(var(--ui-brand-rgb, 46, 168, 255), 0.14);
  --app-border2: rgba(29, 26, 22, 0.18);
  --app-card-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.72));
  --app-chip-bg: rgba(255, 255, 255, 0.72);
  --app-btn-bg: rgba(255, 255, 255, 0.82);
  --app-focus-ring: 0 0 0 3px rgba(var(--ui-brand-rgb, 7, 193, 96), 0.18);
  --app-focus-ring-kid: 0 0 0 3px rgba(251, 113, 133, 0.18);
  --app-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --app-dur: 160ms;
  --app-dur2: 240ms;

  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);

  /* Base text size: 16px–20px (follows browser/system scaling via rem). */
  --app-fs-body: clamp(1rem, 1.8vw, 1.25rem);
  --app-fs-h1: clamp(1.5rem, 2.6vw, 2rem);
  --app-fs-h2: clamp(1.125rem, 2.1vw, 1.375rem);
  --app-fs-small: clamp(0.875rem, 1.5vw, 1rem);
  --app-lh: 1.62;

  --app-gap: clamp(0.625rem, 2.2vw, 1rem);
  --app-pad: clamp(0.75rem, 2.4vw, 1.125rem);
  --app-radius: clamp(0.875rem, 1.4vw + 0.625rem, 1.125rem);
  --app-btn-py: 0.625rem;
  --app-btn-px: 0.75rem;
  --app-btn-min-h: 2.75rem;
  --app-chip-min-h: 2.75rem;
  --app-atomic-bullet: "›";
  --app-atomic-bullet-color: var(--app-brand);
}

@media (prefers-contrast: more), (forced-colors: active), (prefers-reduced-motion: reduce) {
  body[data-ui="app"] {
    --app-fs-body: clamp(1.0625rem, 2.1vw, 1.375rem);
    --app-fs-h1: clamp(1.625rem, 3vw, 2.25rem);
    --app-fs-h2: clamp(1.25rem, 2.4vw, 1.5rem);
    --app-fs-small: clamp(0.9375rem, 1.7vw, 1.125rem);
    --app-lh: 1.72;
    --app-gap: clamp(0.75rem, 2.6vw, 1.25rem);
    --app-pad: clamp(0.875rem, 2.8vw, 1.375rem);
    --app-btn-py: 0.75rem;
    --app-btn-px: 0.875rem;
  }
}

@media (pointer: coarse) {
  body[data-ui="app"] {
    --app-btn-py: 0.875rem;
    --app-btn-px: 1rem;
    --app-gap: clamp(0.75rem, 2.8vw, 1.375rem);
    --app-pad: clamp(0.875rem, 3vw, 1.5rem);
  }
}

html.tone-serious body[data-ui="app"] {
  --app-border: rgba(29, 26, 22, 0.14);
  --app-muted: rgba(29, 26, 22, 0.74);
  --app-muted2: rgba(29, 26, 22, 0.58);
}

html.tone-brief body[data-ui="app"] {
  --app-lh: 1.55;
}

body[data-ui="app"][data-audience="senior"] {
  --app-fs-body: clamp(1.125rem, 2.2vw, 1.4375rem);
  --app-fs-h1: clamp(1.75rem, 3.2vw, 2.375rem);
  --app-lh: 1.76;
  --app-dur: 200ms;
  --app-dur2: 300ms;
  --app-border: rgba(29, 26, 22, 0.14);
  --app-border2: rgba(29, 26, 22, 0.2);
  --app-card-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.78));
  --app-chip-bg: rgba(255, 255, 255, 0.8);
  --app-btn-bg: rgba(255, 255, 255, 0.86);
  --app-muted: rgba(29, 26, 22, 0.76);
  --app-muted2: rgba(29, 26, 22, 0.62);
  --app-btn-py: 0.875rem;
  --app-btn-px: 1rem;
  --app-btn-min-h: 3.125rem;
  --app-chip-min-h: 3.125rem;
  --app-atomic-bullet: "•";
  --app-atomic-bullet-color: var(--app-muted2);
}

body[data-ui="app"][data-audience="kid"] {
  --app-brand: #fb7185;
  --app-brand2: #fbbf24;
  --app-shadow2: 0 10px 0 rgba(29, 26, 22, 0.028), 0 18px 50px rgba(251, 113, 133, 0.12);
  --app-shadow3: 0 8px 0 rgba(29, 26, 22, 0.02), 0 20px 34px rgba(251, 113, 133, 0.16);
  --app-chip-bg: rgba(255, 255, 255, 0.72);
  --app-btn-bg: rgba(255, 255, 255, 0.82);
  --app-btn-py: 0.75rem;
  --app-btn-px: 0.875rem;
  --app-btn-min-h: 3rem;
  --app-chip-min-h: 3rem;
  --app-atomic-bullet: "✦";
  --app-atomic-bullet-color: var(--app-brand2);
}

body[data-ui="app"] {
  margin: 0;
  font-family: ui-rounded, system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: var(--app-fs-body);
  line-height: var(--app-lh);
  color: var(--app-text);
  background:
    radial-gradient(900px 550px at 8% -6%, rgba(var(--ui-accent-rgb, 255, 95, 162), 0.08), transparent 62%),
    radial-gradient(820px 540px at 96% -8%, rgba(var(--ui-brand-rgb, 7, 193, 96), 0.08), transparent 60%),
    var(--app-bg);
  background-repeat: no-repeat, no-repeat, no-repeat;
  color-scheme: light;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

body[data-ui="app"][data-audience="kid"] {
  background:
    radial-gradient(900px 550px at 10% -6%, rgba(251, 113, 133, 0.14), transparent 62%),
    radial-gradient(820px 540px at 96% -8%, rgba(251, 191, 36, 0.12), transparent 60%),
    var(--app-bg);
  background-repeat: no-repeat, no-repeat, no-repeat;
}

body[data-ui="app"] a { color: var(--app-brand); text-decoration: none; }
body[data-ui="app"] a:hover { text-decoration: underline; }

body[data-ui="app"] .app-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--app-pad);
  padding-top: calc(var(--app-pad) + var(--safe-area-top));
  padding-bottom: calc(var(--app-pad) + var(--safe-area-bottom));
}
body[data-ui="app"] .app-top { display: flex; gap: var(--app-gap); align-items: flex-start; justify-content: space-between; }
body[data-ui="app"] .app-brand { display: flex; gap: 0.75rem; align-items: center; }
body[data-ui="app"] .app-logo {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: calc(var(--app-radius) - 0.125rem);
  border: 1px solid var(--app-border);
  background: linear-gradient(135deg, rgba(var(--ui-brand-rgb, 7, 193, 96), 0.34), rgba(var(--ui-accent-rgb, 255, 95, 162), 0.22));
  box-shadow: var(--app-shadow2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  letter-spacing: 0.4px;
  position: relative;
  overflow: hidden;
}
body[data-ui="app"] .app-logo::after {
  content: '';
  position: absolute;
  inset: -18% auto auto -35%;
  width: 56%;
  height: 130%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.12));
  transform: rotate(18deg);
  opacity: 0.75;
  pointer-events: none;
}
body[data-ui="app"][data-audience="kid"] .app-logo {
  background: linear-gradient(135deg, rgba(251, 113, 133, 0.28), rgba(251, 191, 36, 0.2));
}
body[data-ui="app"] .app-title { margin: 0; font-size: var(--app-fs-h1); line-height: 1.15; font-weight: 900; }
body[data-ui="app"] .app-sub { margin-top: 6px; color: var(--app-muted); font-size: var(--app-fs-small); }
body[data-ui="app"] .app-sub strong { color: var(--app-text); }
body[data-ui="app"] .app-nav { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }

body[data-ui="app"] .app-grid { display: grid; grid-template-columns: 1fr; gap: var(--app-gap); margin-top: var(--app-gap); }
@media (min-width: 961px) { body[data-ui="app"] .app-grid { grid-template-columns: 1fr 1.12fr; } }

body[data-ui="app"] .app-card {
  border: 2px solid var(--app-border);
  border-radius: var(--app-radius);
  background: var(--app-card-bg);
  box-shadow: var(--app-shadow3);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--app-dur2) var(--app-ease), box-shadow var(--app-dur2) var(--app-ease), border-color var(--app-dur) var(--app-ease);
}
body[data-ui="app"] .app-card::before {
  content: '';
  position: absolute;
  inset: -120px 22% auto -28%;
  height: 170px;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0));
  opacity: 0.64;
  pointer-events: none;
  z-index: 0;
}
body[data-ui="app"] .app-card[data-tilt="on"] {
  transform: perspective(920px) rotateX(var(--app-tilt-x, 0deg)) rotateY(var(--app-tilt-y, 0deg));
}
body[data-ui="app"] .app-card-inner {
  padding: var(--app-pad);
  position: relative;
  z-index: 1;
}
body[data-ui="app"] .app-h2 { margin: 0 0 8px; font-size: var(--app-fs-h2); font-weight: 900; }
body[data-ui="app"] .app-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
body[data-ui="app"] .app-mini { color: var(--app-muted); font-size: var(--app-fs-small); }
body[data-ui="app"] .app-mini.good { color: var(--app-ok); }
body[data-ui="app"] .app-mini.bad { color: var(--app-bad); }
body[data-ui="app"] .app-sep { height: 1px; background: rgba(29, 26, 22, 0.08); margin: 12px 0; }

body[data-ui="app"] .app-input {
  width: 100%;
  min-height: 6rem;
  resize: vertical;
  border-radius: calc(var(--app-radius) - 0.125rem);
  border: 2px solid var(--app-border);
  background: rgba(255, 255, 255, 0.86);
  color: var(--app-text);
  padding: 0.75rem;
  font: inherit;
  outline: none;
  transition: border-color var(--app-dur) var(--app-ease), box-shadow var(--app-dur) var(--app-ease);
}
body[data-ui="app"] .app-input:focus {
  border-color: rgba(var(--ui-brand-rgb, 7, 193, 96), 0.55);
  box-shadow: var(--app-focus-ring);
}
body[data-ui="app"][data-audience="kid"] .app-input:focus {
  border-color: rgba(251, 113, 133, 0.55);
  box-shadow: var(--app-focus-ring-kid);
}

body[data-ui="app"] .app-btn {
  appearance: none;
  border: 2px solid var(--app-border);
  background: var(--app-btn-bg);
  color: var(--app-text);
  border-radius: 999px;
  padding: var(--app-btn-py) var(--app-btn-px);
  min-height: var(--app-btn-min-h);
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 3px 0 rgba(29, 26, 22, 0.06);
  transition: transform var(--app-dur) var(--app-ease), background var(--app-dur) var(--app-ease), border-color var(--app-dur) var(--app-ease), box-shadow var(--app-dur) var(--app-ease);
}
@media (hover: hover) and (pointer: fine) {
  body[data-ui="app"] .app-btn:hover { background: rgba(255, 255, 255, 0.92); transform: translateY(-2px); box-shadow: 0 6px 0 rgba(29, 26, 22, 0.04); }
}
body[data-ui="app"] .app-btn:active { transform: translateY(1px) scale(0.98); box-shadow: 0 2px 0 rgba(29, 26, 22, 0.06); }
body[data-ui="app"] .app-btn:disabled { opacity: 0.55; cursor: not-allowed; }
body[data-ui="app"] .app-btn.primary {
  border-color: rgba(var(--ui-brand-rgb, 7, 193, 96), 0.42);
  background: linear-gradient(90deg, rgba(var(--ui-brand-rgb, 7, 193, 96), 0.32), rgba(var(--ui-accent-rgb, 255, 95, 162), 0.26));
}
body[data-ui="app"][data-audience="kid"] .app-btn.primary {
  border-color: rgba(251, 113, 133, 0.45);
  background: linear-gradient(90deg, rgba(251, 113, 133, 0.34), rgba(251, 191, 36, 0.28));
}
body[data-ui="app"] .app-btn:focus-visible,
body[data-ui="app"] .app-chip:focus-visible,
body[data-ui="app"] .app-swipe-choice:focus-visible {
  outline: none;
  box-shadow: var(--app-focus-ring);
}
body[data-ui="app"][data-audience="kid"] .app-btn:focus-visible,
body[data-ui="app"][data-audience="kid"] .app-chip:focus-visible,
body[data-ui="app"][data-audience="kid"] .app-swipe-choice:focus-visible {
  box-shadow: var(--app-focus-ring-kid);
}

body[data-ui="app"] .app-chip {
  appearance: none;
  border: 2px solid var(--app-border);
  background: var(--app-chip-bg);
  color: var(--app-text);
  border-radius: 999px;
  padding: calc(var(--app-btn-py) * 0.8) calc(var(--app-btn-px) * 0.9);
  min-height: var(--app-chip-min-h);
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 2px 0 rgba(29, 26, 22, 0.05);
  transition: transform var(--app-dur) var(--app-ease), background var(--app-dur) var(--app-ease), border-color var(--app-dur) var(--app-ease), box-shadow var(--app-dur) var(--app-ease);
}

body[data-ui="app"] .app-audience {
  margin-top: 10px;
}

body[data-ui="app"] .app-audience > summary::-webkit-details-marker { display: none; }

body[data-ui="app"] .app-audience-sum {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  user-select: none;
}

body[data-ui="app"] .app-audience-sum::after {
  content: '▾';
  opacity: 0.7;
}

body[data-ui="app"] .app-audience[open] .app-audience-sum::after { content: '▴'; }

body[data-ui="app"] .app-audience-btns { margin-top: 10px; }
body[data-ui="app"] .app-audience-note { margin-top: 6px; }
@media (hover: hover) and (pointer: fine) {
  body[data-ui="app"] .app-chip:hover { background: rgba(255, 255, 255, 0.9); transform: translateY(-1px); box-shadow: 0 4px 0 rgba(29, 26, 22, 0.035); }
}
body[data-ui="app"] .app-chip:active { transform: translateY(1px) scale(0.98); box-shadow: 0 1px 0 rgba(29, 26, 22, 0.045); }
body[data-ui="app"] .app-chip[aria-pressed="true"] {
  border-color: rgba(var(--ui-brand-rgb, 7, 193, 96), 0.5);
  background: linear-gradient(180deg, rgba(var(--ui-brand-rgb, 7, 193, 96), 0.12), rgba(255, 255, 255, 0.06));
}
body[data-ui="app"][data-audience="kid"] .app-chip[aria-pressed="true"] {
  border-color: rgba(251, 113, 133, 0.55);
  background: linear-gradient(180deg, rgba(251, 113, 133, 0.1), rgba(255, 255, 255, 0.04));
}

body[data-ui="app"] #out {
  max-height: clamp(260px, 55vh, 720px);
  overflow: auto;
  padding-right: 2px;
}

body[data-ui="app"] .app-msg {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 2px solid var(--app-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.6));
  transform-origin: 50% 0%;
}

body[data-ui="app"] .app-msg.user {
  border-style: dashed;
  background: rgba(255, 255, 255, 0.56);
}

body[data-ui="app"] .app-msg-role {
  font-size: var(--app-fs-small);
  color: var(--app-muted2);
  font-weight: 900;
  margin-bottom: 6px;
}

body[data-ui="app"] .app-msg-text {
  white-space: pre-wrap;
}

body[data-ui="app"] .app-bubble {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 2px solid var(--app-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.65));
  transition: transform var(--app-dur) var(--app-ease), border-color var(--app-dur) var(--app-ease), background var(--app-dur) var(--app-ease);
}
@media (hover: hover) and (pointer: fine) {
  body[data-ui="app"] .app-bubble:hover { border-color: var(--app-border2); background: rgba(255, 255, 255, 0.86); }
}

body[data-ui="app"] .app-bubble-title {
  font-weight: 900;
  margin-bottom: 6px;
}

body[data-ui="app"] .app-bubble.is-atomic {
  border-color: rgba(var(--ui-brand-rgb, 7, 193, 96), 0.35);
  background: rgba(var(--ui-brand-rgb, 7, 193, 96), 0.09);
}
body[data-ui="app"][data-audience="kid"] .app-bubble.is-atomic {
  border-color: rgba(251, 113, 133, 0.36);
  background: rgba(251, 113, 133, 0.085);
}

body[data-ui="app"] .app-list.app-atomic-lines {
  margin-top: 6px;
  padding-left: 0;
  list-style: none;
}
body[data-ui="app"] .app-atomic-li {
  font-weight: 900;
  letter-spacing: 0.2px;
  overflow-wrap: anywhere;
  word-break: break-word;
  position: relative;
  padding-left: 0.85em;
}
body[data-ui="app"] .app-atomic-li::before {
  content: var(--app-atomic-bullet);
  position: absolute;
  left: 0;
  top: 0;
  color: var(--app-atomic-bullet-color);
  opacity: 0.9;
}
body[data-ui="app"][data-audience="senior"] .app-atomic-li { letter-spacing: 0.25px; }

body[data-ui="app"] .app-details { padding: 10px 12px; }
body[data-ui="app"] .app-details[open] { border-color: var(--app-border2); background: rgba(255, 255, 255, 0.78); }
body[data-ui="app"] .app-details-sum {
  list-style: none;
  cursor: pointer;
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin: -10px -12px 10px;
  padding: 10px 12px;
  border-radius: 12px;
  outline: none;
}
body[data-ui="app"] .app-details-sum::-webkit-details-marker { display: none; }
body[data-ui="app"] .app-details-sum::before {
  content: '▸';
  color: var(--app-muted2);
  flex: 0 0 auto;
  margin-right: 2px;
}
body[data-ui="app"] .app-details[open] .app-details-sum::before { content: '▾'; }
body[data-ui="app"] .app-details-title { font-weight: 900; }
body[data-ui="app"] .app-details-sub {
  color: var(--app-muted2);
  font-size: var(--app-fs-small);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (hover: hover) and (pointer: fine) {
  body[data-ui="app"] .app-details-sum:hover { background: rgba(29, 26, 22, 0.03); }
}
body[data-ui="app"] .app-details-sum:focus-visible { box-shadow: 0 0 0 3px rgba(46, 168, 255, 0.16); }
body[data-ui="app"][data-audience="kid"] .app-details-sum:focus-visible { box-shadow: 0 0 0 3px rgba(251, 113, 133, 0.16); }

body[data-ui="app"] .app-out-head { display: flex; gap: 10px; align-items: flex-start; justify-content: space-between; }
body[data-ui="app"] .app-out-meta { color: var(--app-muted2); font-size: var(--app-fs-small); text-align: right; }
body[data-ui="app"] .app-out-meta.has-meta-controls {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}
body[data-ui="app"] .app-out-meta.has-meta-controls [data-part="metaText"] {
  max-width: 28ch;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

body[data-ui="app"] .app-feedback {
  margin: 8px 0 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 2px solid var(--app-border);
  background: rgba(255, 255, 255, 0.72);
}

body[data-ui="app"] .app-progress {
  flex: 1 1 auto;
  height: 10px;
  border-radius: 999px;
  background: rgba(29, 26, 22, 0.06);
  border: 2px solid rgba(29, 26, 22, 0.14);
  overflow: hidden;
}

body[data-ui="app"] .app-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(46, 168, 255, 0.72), rgba(255, 122, 162, 0.62));
  transition: width var(--app-dur2) var(--app-ease), filter var(--app-dur) var(--app-ease);
  transform-origin: 0% 50%;
}

body[data-ui="app"][data-audience="kid"] .app-progress-fill {
  background: linear-gradient(90deg, rgba(251, 113, 133, 0.72), rgba(251, 191, 36, 0.6));
}

body[data-ui="app"] .app-feedback.is-busy .app-progress-fill {
  animation: appPulse 1200ms ease-in-out infinite;
}
body[data-ui="app"] .app-progress-fill.is-boost {
  animation: appBoost 420ms var(--app-ease);
}

body[data-ui="app"] .app-feedback-badge {
  flex: 0 0 auto;
  font-size: var(--app-fs-small);
  color: var(--app-muted2);
  font-weight: 900;
  letter-spacing: 0.2px;
  white-space: nowrap;
  border-radius: 999px;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(29, 26, 22, 0.12);
}
body[data-ui="app"] .app-feedback-badge.is-levelup {
  border-color: rgba(251, 113, 133, 0.4);
  background: linear-gradient(90deg, rgba(251, 113, 133, 0.2), rgba(251, 191, 36, 0.18), rgba(255, 255, 255, 0.9));
}

@media (prefers-reduced-motion: no-preference) {
  body[data-ui="app"] #appRoot.is-levelup .app-feedback { animation: appLevelFlash 460ms var(--app-ease); }
}

body[data-ui="app"] .app-toast {
  position: fixed;
  left: 50%;
  bottom: calc(16px + var(--safe-area-bottom, 0px));
  transform: translateX(-50%);
  max-width: min(560px, calc(100vw - 24px));
  padding: 10px 14px;
  border-radius: 999px;
  border: 2px solid var(--app-border);
  background: rgba(255, 255, 255, 0.92);
  color: var(--app-text);
  font-weight: 900;
  font-size: var(--app-fs-small);
  box-shadow: var(--app-shadow);
  pointer-events: none;
  opacity: 0;
}
body[data-ui="app"] .app-toast.is-good {
  border-color: rgba(46, 168, 255, 0.45);
  background: linear-gradient(90deg, rgba(46, 168, 255, 0.2), rgba(255, 255, 255, 0.88));
}
body[data-ui="app"] .app-toast.is-hype {
  border-color: rgba(251, 113, 133, 0.5);
  background: linear-gradient(90deg, rgba(251, 113, 133, 0.24), rgba(251, 191, 36, 0.16), rgba(255, 255, 255, 0.88));
}
body[data-ui="app"] .app-toast.is-action {
  border-color: rgba(29, 26, 22, 0.22);
  background: rgba(255, 255, 255, 0.94);
}

body[data-ui="app"] .app-toast.is-on {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  body[data-ui="app"] .app-toast.is-on { animation: appPop var(--app-dur2) var(--app-ease) both; }
}
body[data-ui="app"] .app-fold-btn { padding: 6px 10px; }
body[data-ui="app"] .app-section { margin-top: 14px; }
body[data-ui="app"] .app-section-title { font-weight: 900; margin: 0 0 6px; }
body[data-ui="app"] .app-list { margin: 8px 0 0; padding-left: 20px; }
body[data-ui="app"] .app-li { margin-top: 6px; }
body[data-ui="app"] .app-par { margin-top: 6px; }
body[data-ui="app"] .app-card-label {
  margin-top: 10px;
  font-size: var(--app-fs-small);
  color: var(--app-muted2);
  font-weight: 900;
  letter-spacing: 0.2px;
}
body[data-ui="app"] .app-note {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 2px dashed rgba(29, 26, 22, 0.14);
  background: rgba(255, 255, 255, 0.72);
  color: var(--app-muted);
}

/* -------------------------------------------------------------------------- */
/* Game UX (swipe choice + attribute bars)                                     */
/* -------------------------------------------------------------------------- */

body[data-ui="app"] .app-swipe-wrap { margin-top: 10px; }
body[data-ui="app"] .app-swipe-wrap .app-swipe-card { margin-top: 0; }

body[data-ui="app"] .app-swipe-card {
  position: relative;
  margin-top: 10px;
  padding: 12px;
  border-radius: calc(var(--app-radius) + 6px);
  border: 2px solid var(--app-border2);
  background:
    radial-gradient(180px 100px at 12% 0%, rgba(255, 255, 255, 0.64), rgba(255, 255, 255, 0) 75%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.66));
  box-shadow: 0 10px 0 rgba(29, 26, 22, 0.03), 0 18px 42px rgba(46, 168, 255, 0.15);
  transform: translateX(var(--swipeX, 0px)) rotate(var(--swipeR, 0deg));
  transition: transform var(--app-dur2) var(--app-ease), border-color var(--app-dur) var(--app-ease), background var(--app-dur) var(--app-ease);
  touch-action: pan-y;
  user-select: none;
}

@media (prefers-reduced-motion: no-preference) {
  body[data-ui="app"] .app-swipe-wrap { animation: appPop var(--app-dur2) var(--app-ease) both; }
}

body[data-ui="app"] .app-swipe-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--app-dur) var(--app-ease);
}

body[data-ui="app"] .app-swipe-card.is-dragging { transition: none; }
body[data-ui="app"] .app-swipe-card.is-dragging::after { transition: none; }

body[data-ui="app"] .app-swipe-card[data-swipe="left"] {
  border-color: rgba(251, 113, 133, 0.55);
}
body[data-ui="app"] .app-swipe-card[data-swipe="left"]::after {
  opacity: 1;
  background: linear-gradient(90deg, rgba(251, 113, 133, 0.18), transparent 58%);
}
body[data-ui="app"] .app-swipe-card[data-swipe="right"] {
  border-color: rgba(46, 168, 255, 0.55);
}
body[data-ui="app"] .app-swipe-card[data-swipe="right"]::after {
  opacity: 1;
  background: linear-gradient(270deg, rgba(46, 168, 255, 0.18), transparent 58%);
}

body[data-ui="app"] .app-swipe-choices {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  /* Make the A/B labels clickable (some users tap them first). */
  pointer-events: auto;
}

body[data-ui="app"] .app-swipe-choice {
  appearance: none;
  cursor: pointer;
  box-shadow: none;
  position: relative;
  padding: 6px 10px;
  border-radius: 999px;
  border: 2px solid var(--app-border);
  background: rgba(255, 255, 255, 0.86);
  color: var(--app-text);
  font-weight: 900;
  font-size: var(--app-fs-small);
  line-height: 1.2;
  letter-spacing: 0.2px;
  opacity: 0.9;
  max-width: 46%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  backdrop-filter: blur(8px);
}

body[data-ui="app"] .app-swipe-choice.right { text-align: right; }

body[data-ui="app"] .app-swipe-choice:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

body[data-ui="app"] .app-swipe-card[data-swipe="left"] .app-swipe-choice.left {
  border-color: rgba(251, 113, 133, 0.62);
  background: rgba(251, 113, 133, 0.14);
  opacity: 1;
}
body[data-ui="app"] .app-swipe-card[data-swipe="right"] .app-swipe-choice.right {
  border-color: rgba(46, 168, 255, 0.62);
  background: rgba(46, 168, 255, 0.12);
  opacity: 1;
}

body[data-ui="app"] .app-attrbars {
  margin-top: 10px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
}

body[data-ui="app"] .app-attrbar {
  border-radius: 14px;
  border: 2px solid var(--app-border);
  background: rgba(255, 255, 255, 0.62);
  padding: 8px 10px;
}

body[data-ui="app"] .app-attrbar-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

body[data-ui="app"] .app-attrbar-name {
  font-weight: 900;
  font-size: var(--app-fs-small);
}

body[data-ui="app"] .app-attrbar-val {
  color: var(--app-muted2);
  font-weight: 900;
  font-size: var(--app-fs-small);
  flex: 0 0 auto;
}

body[data-ui="app"] .app-attrbar-track {
  margin-top: 6px;
  height: 10px;
  border-radius: 999px;
  background: rgba(29, 26, 22, 0.06);
  overflow: hidden;
}

body[data-ui="app"] .app-attrbar-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(46, 168, 255, 0.68), rgba(255, 122, 162, 0.56));
  transition: width var(--app-dur2) var(--app-ease);
}

body[data-ui="app"] .app-fold-note {
  border-style: solid;
  background: rgba(255, 255, 255, 0.66);
  color: var(--app-muted2);
}

body[data-ui="app"][data-audience="senior"] .app-note {
  border-style: solid;
  background: rgba(255, 255, 255, 0.78);
  color: var(--app-muted);
}

body[data-ui="app"] .app-bubble.is-bad {
  border-color: rgba(251, 113, 133, 0.42);
  background: rgba(251, 113, 133, 0.06);
}
body[data-ui="app"] .app-bubble.is-warn {
  border-color: rgba(251, 191, 36, 0.42);
  background: rgba(251, 191, 36, 0.06);
}

body[data-ui="app"] .app-skel-box { margin-top: 12px; }
body[data-ui="app"] .app-skel-line {
  width: var(--w, 100%);
  height: 12px;
  margin-top: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(29, 26, 22, 0.06), rgba(29, 26, 22, 0.12), rgba(29, 26, 22, 0.06));
  background-size: 220% 100%;
}

body[data-ui="app"] #appRoot[data-busy="1"] #status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
body[data-ui="app"] #appRoot[data-busy="1"] #status::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--app-brand);
  box-shadow: 0 0 0 3px rgba(46, 168, 255, 0.18);
  box-sizing: border-box;
}

@media (prefers-reduced-motion: no-preference) {
  body[data-ui="app"] .app-msg.is-new { animation: appPop var(--app-dur2) var(--app-ease) both; }
  body[data-ui="app"] #appRoot[data-busy="1"] #status::before { animation: appPulse 1200ms ease-in-out infinite; }
}

@keyframes appPop {
  from { opacity: 0; transform: translateY(6px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes appPulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}

@keyframes appBoost {
  0% { transform: scaleX(1); filter: saturate(1); }
  35% { transform: scaleX(1.04); filter: saturate(1.24); }
  100% { transform: scaleX(1); filter: saturate(1); }
}

@keyframes appLevelFlash {
  0% { box-shadow: 0 0 0 0 rgba(251, 113, 133, 0), inset 0 0 0 0 rgba(251, 191, 36, 0); }
  45% { box-shadow: 0 0 0 4px rgba(251, 113, 133, 0.12), inset 0 0 0 999px rgba(251, 191, 36, 0.06); }
  100% { box-shadow: 0 0 0 0 rgba(251, 113, 133, 0), inset 0 0 0 0 rgba(251, 191, 36, 0); }
}

/* -------------------------------------------------------------------------- */
/* Game theme (RPG HUD-ish, still one chat box)                                */
/* -------------------------------------------------------------------------- */

body[data-ui="app"][data-theme="game"] {
  --app-bg: var(--ui-bg-soft, #fffdfb);
  --app-border: rgba(17, 24, 39, 0.12);
  --app-border2: rgba(17, 24, 39, 0.18);
  --app-text: rgba(17, 24, 39, 0.92);
  --app-muted: rgba(17, 24, 39, 0.66);
  --app-muted2: rgba(17, 24, 39, 0.52);

  --app-card-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.8));
  --app-chip-bg: rgba(255, 255, 255, 0.82);
  --app-btn-bg: rgba(255, 255, 255, 0.88);
  --app-shadow2: 0 10px 0 rgba(29, 26, 22, 0.035), var(--ui-shadow-md, 0 18px 50px rgba(29, 26, 22, 0.12));
  --app-shadow3: 0 8px 0 rgba(29, 26, 22, 0.03), 0 20px 36px rgba(var(--ui-accent2-rgb, 124, 92, 255), 0.14);
  --app-focus-ring: 0 0 0 3px rgba(var(--ui-brand-rgb, 45, 212, 191), 0.18);

  background:
    radial-gradient(900px 550px at 10% -6%, rgba(var(--ui-accent-rgb, 255, 95, 162), 0.14), transparent 62%),
    radial-gradient(820px 540px at 96% -8%, rgba(var(--ui-brand-rgb, 45, 212, 191), 0.12), transparent 60%),
    radial-gradient(820px 620px at 50% 110%, rgba(var(--ui-accent2-rgb, 124, 92, 255), 0.12), transparent 62%),
    repeating-linear-gradient(90deg, rgba(17, 24, 39, 0.02) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(0deg, rgba(17, 24, 39, 0.018) 0 1px, transparent 1px 18px),
    linear-gradient(180deg, var(--ui-bg-start, #fff6ea), var(--ui-bg-end, #eef6ff));
  background-repeat: no-repeat, no-repeat, no-repeat, repeat, repeat, no-repeat;
  color-scheme: light;
}

body[data-ui="app"][data-theme="game"] a { color: rgba(var(--ui-accent2-rgb, 124, 92, 255), 0.95); }
body[data-ui="app"][data-theme="game"] .app-sep { background: rgba(17, 24, 39, 0.08); }

body[data-ui="app"][data-theme="game"] .app-logo {
  border-color: rgba(17, 24, 39, 0.12);
  box-shadow: 0 10px 0 rgba(29, 26, 22, 0.04), 0 22px 62px rgba(29, 26, 22, 0.12);
}

body[data-ui="app"][data-theme="game"] .app-card::before {
  opacity: 0.22;
}

body[data-ui="app"][data-theme="game"] .app-input {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(17, 24, 39, 0.14);
}

body[data-ui="app"][data-theme="game"] .app-btn,
body[data-ui="app"][data-theme="game"] .app-chip {
  border-color: rgba(17, 24, 39, 0.14);
  box-shadow: 0 3px 0 rgba(29, 26, 22, 0.05);
}

@media (hover: hover) and (pointer: fine) {
  body[data-ui="app"][data-theme="game"] .app-btn:hover,
  body[data-ui="app"][data-theme="game"] .app-chip:hover {
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(17, 24, 39, 0.18);
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-ui="app"] * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* Senior: fewer attention-grabbing animations even when motion is enabled. */
body[data-ui="app"][data-audience="senior"] .app-feedback.is-busy .app-progress-fill,
body[data-ui="app"][data-audience="senior"] #appRoot[data-busy="1"] #status::before,
body[data-ui="app"][data-audience="senior"] .app-toast.is-on,
body[data-ui="app"][data-audience="senior"] .app-swipe-wrap,
body[data-ui="app"][data-audience="senior"] .app-msg.is-new {
  animation: none;
}

body[data-ui="app"][data-audience="senior"] .app-btn,
body[data-ui="app"][data-audience="senior"] .app-chip {
  transition: background var(--app-dur) var(--app-ease), border-color var(--app-dur) var(--app-ease), box-shadow var(--app-dur) var(--app-ease);
}
@media (hover: hover) and (pointer: fine) {
  body[data-ui="app"][data-audience="senior"] .app-btn:hover,
  body[data-ui="app"][data-audience="senior"] .app-chip:hover { transform: none; }
}