/* ボイスKY 録音画面
   高齢者向けルール（設計書 §5）: 1画面1操作 / ボタンは画面幅いっぱい・高さ80px以上 / 文字20px以上 */
:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --sub: #555;
  --red: #c62828;
  --green: #2e7d32;
  --blue: #1565c0;
  --dark: #333;
  --gray: #e0e0e0;
  --warn-bg: #fff3e0;
  --warn-fg: #8a4b00;
  --err-bg: #ffebee;
  --err-fg: #b71c1c;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  font-size: 22px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) 16px env(safe-area-inset-bottom);
  -webkit-text-size-adjust: 100%;
}
.head { text-align: center; padding: 16px 0 8px; }
.team-title { font-size: 28px; font-weight: bold; }
.date-label { font-size: 22px; color: var(--sub); }

.screen { flex: 1; display: flex; flex-direction: column; gap: 20px; padding: 12px 0 24px; }
.screen[hidden], [hidden] { display: none !important; }
#record-idle, #record-running, #mic-help { display: flex; flex-direction: column; gap: 20px; }

.btn {
  display: block;
  width: 100%;
  min-height: 80px;
  border: none;
  border-radius: 14px;
  font-size: 26px;
  font-weight: bold;
  font-family: inherit;
  color: #fff;
  padding: 12px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { filter: brightness(0.85); }
.btn:disabled { opacity: 0.4; }
.btn-huge { min-height: 140px; font-size: 32px; }
.btn-red { background: var(--red); }
.btn-green { background: var(--green); }
.btn-blue { background: var(--blue); }
.btn-dark { background: var(--dark); }
.btn-gray { background: var(--gray); color: var(--fg); }
.btn-small { font-size: 22px; font-weight: normal; }

.today-count { text-align: center; font-size: 26px; font-weight: bold; margin: 0; }
.today-times { text-align: center; font-size: 22px; color: var(--sub); margin: -12px 0 0; }
.meter { height: 28px; background: var(--gray); border-radius: 14px; overflow: hidden; }
.meter-bar { height: 100%; width: 0; background: var(--green); transition: width 0.1s linear; }
.big-text { text-align: center; font-size: 26px; margin: 0; }
.hint { text-align: center; font-size: 20px; color: var(--sub); margin: 0; }
.message { border-radius: 10px; padding: 14px; margin: 0; font-size: 22px; font-weight: bold; }
.message.error { background: var(--err-bg); color: var(--err-fg); }
.message.warn { background: var(--warn-bg); color: var(--warn-fg); }
.detail { font-size: 20px; }
.detail p { margin: 0 0 12px; }

.rec-status { text-align: center; font-size: 32px; font-weight: bold; margin: 0; color: var(--red); }
.rec-dot {
  display: inline-block; width: 22px; height: 22px; border-radius: 50%;
  background: var(--red); margin-right: 10px; vertical-align: middle;
  animation: blink 1s infinite;
}
@keyframes blink { 50% { opacity: 0.2; } }
.rec-remain { text-align: center; font-size: 26px; margin: 0; }
.rec-remain.ending { color: #fff; background: var(--red); border-radius: 10px; font-weight: bold; padding: 6px; }

.done-mark { text-align: center; font-size: 34px; font-weight: bold; color: var(--green); margin: 8px 0 0; }

.spinner {
  width: 72px; height: 72px; margin: 24px auto 0;
  border: 8px solid var(--gray); border-top-color: var(--green); border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.foot { text-align: right; font-size: 14px; color: #999; padding: 8px 0; }