:root {
  color-scheme: dark;
  --bg1: #090b10;
  --bg2: #141924;
  --card: rgba(21, 27, 39, 0.88);
  --line: rgba(255,255,255,0.1);
  --text: #f5f7fb;
  --muted: #a9b4c7;
  --accent: #77a8ff;
  --accent-2: #9be7c4;
  --danger: #ffcc8a;
  --shadow: 0 20px 60px rgba(0,0,0,0.45);
  --radius-xl: 28px;
  --radius-lg: 20px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; min-height: 100%; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: radial-gradient(circle at top, #1f2940, var(--bg1) 48%), linear-gradient(180deg, var(--bg2), var(--bg1)); color: var(--text); }
body { display: flex; justify-content: center; }
.app-shell { width: 100%; min-height: 100dvh; display: flex; align-items: flex-start; justify-content: center; padding: 8px 16px calc(24px + env(safe-area-inset-bottom)); }
.card { width: min(100%, 420px); background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-xl); box-shadow: var(--shadow); backdrop-filter: blur(20px); padding: 18px; }
.topbar { margin-top: 16px; }
.topbar h1 { margin: 4px 0 0; font-size: 1.7rem; line-height: 1.1; }
.eyebrow { margin: 0; color: var(--accent-2); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem; }
.controls { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 16px; }
.field { display: grid; gap: 7px; font-size: 0.9rem; color: var(--muted); }
.file-field { display: none; }
.field select, .field input { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 14px 12px; background: rgba(255,255,255,0.04); color: var(--text); font-size: 1rem; }
.field input::file-selector-button { border: 0; border-radius: 10px; padding: 10px 12px; margin-right: 10px; background: rgba(119,168,255,0.16); color: var(--text); }
.meta-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; }
.badge, .counter { display: inline-flex; align-items: center; min-height: 34px; padding: 0 12px; border-radius: 999px; font-size: 0.85rem; }
.badge { background: rgba(119,168,255,0.13); color: var(--accent); }
.counter { background: rgba(255,255,255,0.06); color: var(--muted); }
.prompt-panel { border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255,255,255,0.03); overflow: hidden; }
.prompt-wrap, .answer-panel { padding: 18px; }
.prompt-label, .answer-label { margin: 0 0 10px; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.72rem; color: var(--muted); }
.prompt-text { margin: 0; font-size: clamp(1.3rem, 4.8vw, 1.8rem); line-height: 1.35; min-height: 110px; display: flex; align-items: center; }
.answer-panel { border-top: 1px solid var(--line); background: rgba(255,255,255,0.02); min-height: 150px; max-height: 150px; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.answer-panel.hidden { display: none; }
.gloss-text { margin: 0 0 14px; color: var(--danger); font-size: 0.97rem; line-height: 1.5; }
.answer-text { margin: 0; font-size: 1.1rem; line-height: 1.45; color: var(--accent-2); }
.buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
button { border: 0; border-radius: 16px; min-height: 56px; font-size: 1rem; font-weight: 700; color: var(--text); cursor: pointer; -webkit-user-select: none; user-select: none; touch-action: manipulation; }
.primary-button { background: linear-gradient(180deg, #b4f3d7, #6fc8a2); -webkit-touch-callout: none; color: #0f2a1f; }
.primary-button.revealing { transform: scale(0.985); }
.secondary-button { background: rgba(255,255,255,0.08); border: 1px solid var(--line); }
@media (max-width: 390px) { .card { padding: 16px; border-radius: 22px; } .buttons { grid-template-columns: 1fr; } }