:root {
  --bg: #f6f4ef; --card: #ffffff; --ink: #22252a; --muted: #8a8f98;
  --accent: #2f6fed; --accent-ink: #fff; --hit: #1d9a6c; --line: #e6e2d8;
}
* { box-sizing: border-box; margin: 0; }
body { font-family: -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: var(--bg); color: var(--ink); max-width: 640px; margin: 0 auto;
  min-height: 100vh; }
button { font: inherit; cursor: pointer; border: none; border-radius: 10px; padding: 10px 16px; }
.primary { background: var(--accent); color: var(--accent-ink); }
.primary:disabled { opacity: .5; }
.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
.big { width: 100%; padding: 16px; font-size: 1.1rem; margin-top: 24px; }
.muted { color: var(--muted); } .small { font-size: .85rem; }
.center { text-align: center; } .error { color: #c0392b; }
.center-block { display: block; text-align: center; text-decoration: none; margin-top: 20px;
  background: var(--accent); color: #fff; border-radius: 10px; padding: 14px; }

.topbar { display: flex; align-items: center; justify-content: space-between;
  padding: 16px; }
.topbar h1 { font-size: 1.3rem; }
.topbar.slim { gap: 12px; justify-content: flex-start; }
.back { text-decoration: none; color: var(--ink); font-size: 1.2rem; }
.tabs { display: flex; gap: 4px; background: var(--line); border-radius: 10px; padding: 3px; }
.tab { background: transparent; padding: 7px 14px; border-radius: 8px; color: var(--muted); }
.tab.active { background: var(--card); color: var(--ink); }

.tab-panel, .phase { padding: 0 16px 32px; }
.stats { display: flex; gap: 12px; margin-top: 8px; }
.stat { flex: 1; background: var(--card); border-radius: 14px; padding: 16px; text-align: center; }
.stat .num { display: block; font-size: 1.8rem; font-weight: 700; }
.stat .label { color: var(--muted); font-size: .85rem; }
.card { background: var(--card); border-radius: 14px; padding: 18px; margin-top: 14px;
  border: 1px solid var(--line); }
.resume { display: block; text-decoration: none; color: var(--ink); }

.bank-group h2 { font-size: .95rem; color: var(--muted); margin: 20px 0 6px; }
.bank-item { display: flex; align-items: center; gap: 10px; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 8px; }
.bank-body { flex: 1; }
.bank-text { font-weight: 600; }
.bank-meta { font-size: .8rem; color: var(--muted); margin-top: 2px; }
.badge { display: inline-block; border-radius: 6px; padding: 1px 6px; font-size: .72rem; }
.badge.mastered { background: #e3f6ee; color: var(--hit); }
.badge.learning { background: #e9f0fe; color: var(--accent); }
.badge.new { background: #fdeeee; color: #c0392b; }
.badge.due { background: #fff3d6; color: #a97a00; }
.bank-actions { position: sticky; top: 0; padding: 8px 0; background: var(--bg); z-index: 5; }
.play, .play-inline { background: transparent; font-size: 1rem; }
.empty { margin-top: 40px; text-align: center; }

.scenario p { margin-top: 6px; }
.expr-card { text-align: center; padding: 32px 20px; }
.expr-text { font-size: 1.35rem; font-weight: 700; }
.expr-meaning { color: var(--muted); margin-top: 8px; }
.expr-example { margin-top: 16px; font-style: italic; }
.expr-card .listen { margin-top: 18px; }
.card-nav { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; }

.missions { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 0; position: sticky;
  top: 0; background: var(--bg); z-index: 5; }
.mission { border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px;
  font-size: .78rem; color: var(--muted); background: var(--card); }
.mission.hit { background: var(--hit); border-color: var(--hit); color: #fff; }
.chat { display: flex; flex-direction: column; gap: 8px; min-height: 40vh;
  max-height: 55vh; overflow-y: auto; padding: 8px 0; }
.bubble { max-width: 82%; padding: 10px 14px; border-radius: 16px; line-height: 1.45; }
.bubble.partner { background: var(--card); border: 1px solid var(--line); align-self: flex-start; }
.bubble.me { background: var(--accent); color: #fff; align-self: flex-end; }
.composer { display: flex; gap: 6px; margin-top: 10px; }
.composer input { flex: 1; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; font: inherit; min-width: 0; }
.mic { background: var(--card); border: 1px solid var(--line); }
.mic.rec { background: #e74c3c; color: #fff; animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .6; } }
.finish { width: 100%; margin-top: 14px; color: var(--muted); }

.mission-score { font-size: 2.2rem; font-weight: 800; text-align: center; }
.compare .mine { color: var(--muted); text-decoration: line-through
  rgba(138,143,152,.5); margin-bottom: 6px; }
.compare .native { font-weight: 600; }
.compare .note { margin-top: 6px; font-size: .85rem; }

.login-wrap { display: flex; flex-direction: column; justify-content: center;
  min-height: 90vh; padding: 24px; gap: 8px; }
.login-wrap h1 { text-align: center; margin-bottom: 20px; }
.login-wrap input { padding: 14px; border: 1px solid var(--line); border-radius: 10px;
  font: inherit; width: 100%; }
.login-wrap button { margin-top: 12px; background: var(--accent); color: #fff; padding: 14px; }