/* ============================================================
   Base: reset + 공통 레이아웃 + 공통 컴포넌트
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow: hidden;
  overscroll-behavior: none;
}
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input { font: inherit; color: inherit; }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }

#app { position: fixed; inset: 0; overflow: hidden; }

/* ---------- 화면(Screen) 공통 ---------- */
.screen {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  padding: max(var(--pad), env(safe-area-inset-top)) max(var(--pad), env(safe-area-inset-right))
           max(var(--pad), env(safe-area-inset-bottom)) max(var(--pad), env(safe-area-inset-left));
  animation: screen-in 0.35s var(--ease-out);
}
@keyframes screen-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.screen-body { flex: 1; min-height: 0; overflow: auto; }

/* ---------- 상단바 (뒤로 + 2단 자막 제목) ---------- */
.topbar { display: flex; align-items: flex-start; gap: 16px; margin-bottom: var(--gap); flex: none; }
.topbar .title2 { margin-bottom: 0; }
.topbar .topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; align-self: center; }
.topbar h1 { margin: 0; font-family: var(--font-display); font-weight: 400; font-size: clamp(22px, 4vmin, 34px); }
.icon-btn {
  width: 44px; height: 44px; border-radius: var(--r-md);
  display: grid; place-items: center;
  background: var(--panel); border: 1px solid var(--line);
  transition: transform 0.15s;
}
.icon-btn:active { transform: scale(0.92); }
.icon-btn svg { width: 22px; height: 22px; }

/* ---------- 버튼 / 카드 ---------- */
.btn-primary {
  height: 56px; border-radius: var(--r-md); padding: 0 24px;
  background: var(--team); color: var(--team-on);
  font-weight: 800; font-size: 18px;
  transition: transform 0.15s, filter 0.15s;
}
.btn-primary:active { transform: scale(0.97); }
.btn-primary:disabled { filter: grayscale(1) brightness(0.6); cursor: default; }

.card {
  background: var(--panel); border: 0;
  border-radius: var(--r-lg); padding: var(--pad);
}
.card.is-locked { background: var(--bg-2); color: var(--text-3); filter: grayscale(1); }

/* 토스트 */
.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translateX(-50%);
  background: #111418; color: #fff; font-weight: 700;
  padding: 12px 20px; border-radius: 99px; z-index: 1000;
  box-shadow: var(--shadow); animation: screen-in 0.25s var(--ease-out);
}

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }