:root {
  --red-dark: #B71C1C;
  --red-primary: #C62828;
  --red-medium: #D32F2F;
  --red-light: #E53935;
  --red-pale: #FFCDD2;
  --red-surface: #FFEBEE;
  --gold-dark: #F57F17;
  --gold-primary: #F9A825;
  --text-primary: #1A1A1A;
  --text-secondary: #5B4E4E;
  --bg-page: #FDF2F2;
  --bg-card: #FFFFFF;
  --fallback-color: #F85149;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, Roboto, 'Segoe UI', sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
}

.screen { display: none; }
.screen.active { display: block; }

.container { max-width: 480px; margin: 0 auto; padding: 20px; padding-bottom: 60px; }

.app-title {
  color: var(--red-primary);
  font-size: 22px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 4px;
}
.app-subtitle { color: var(--text-secondary); font-size: 13px; text-align: center; margin-bottom: 16px; }

.web-notice {
  background: #FFF3CD; border: 1px solid #FFE69C; color: #664D03;
  padding: 8px 12px; border-radius: 8px; font-size: 12px; margin-bottom: 16px;
}

.section-label {
  font-size: 11px; font-weight: bold; color: var(--red-primary);
  margin-top: 20px; margin-bottom: 4px; text-transform: uppercase;
}

.row-2 { display: flex; gap: 8px; }
.row-2 .field { flex: 1; }

.field { margin-top: 8px; }
.field label { display: block; font-size: 11px; color: var(--text-secondary); margin-bottom: 2px; }
.field input {
  width: 100%; padding: 12px; border-radius: 10px;
  border: 1px solid var(--red-pale); background: var(--red-surface);
  font-size: 14px; color: var(--text-primary);
}

.checkbox-row {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-secondary); margin-top: 8px;
}

.btn {
  padding: 12px; border-radius: 10px; font-weight: bold; font-size: 14px;
  border: none; cursor: pointer; margin-top: 8px;
}
.btn-block { width: 100%; display: block; }
.btn-lg { font-size: 16px; padding: 14px; }
.btn-sm { font-size: 11px; padding: 8px; }
.btn-primary { background: var(--red-primary); color: #fff; }
.btn-outline { background: transparent; color: var(--red-primary); border: 1px solid var(--red-primary); }
.btn-gold { background: var(--gold-primary); color: #1B1B1B; }
.btn:disabled { opacity: 0.5; }

/* ── Layar Pengukuran ── */
.camera-card {
  background: var(--bg-card); border-radius: 16px; padding: 16px;
  text-align: center; margin-bottom: 16px; box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
#cameraPreview {
  width: 100px; height: 100px; border-radius: 50px; object-fit: cover;
  background: #000; margin-bottom: 12px;
}
.tv-instruction { font-weight: bold; margin: 4px 0; }
.tv-quality { font-size: 13px; margin: 4px 0; }
.tv-status { font-size: 12px; color: var(--gold-dark); margin-top: 8px; }
progress { width: 100%; height: 8px; margin: 8px 0; accent-color: var(--red-primary); }

.vital-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px;
}
.vital-card {
  background: var(--bg-card); border-radius: 12px; padding: 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.vital-head { display: flex; justify-content: space-between; align-items: center; font-size: 11px; font-weight: bold; color: var(--text-secondary); margin-bottom: 6px; }
.badge {
  font-size: 9px; font-weight: bold; padding: 2px 6px; border-radius: 8px;
  background: #484F58; color: #fff;
}
.badge-ok { background: var(--red-light); }
.badge-default { background: #484F58; }
.vital-value { font-size: 28px; font-weight: bold; color: var(--text-primary); }
.vital-value.fallback { color: var(--fallback-color); }
.vital-unit { font-size: 11px; color: var(--text-secondary); }

/* ── Layar Rekap ── */
.rekap-table { width: 100%; border-collapse: collapse; margin: 16px 0; background: var(--bg-card); border-radius: 8px; overflow: hidden; }
.rekap-table th { background: var(--red-primary); color: #fff; padding: 8px; font-size: 12px; }
.rekap-table td { padding: 8px; font-size: 13px; border-bottom: 1px solid #eee; }
.disclaimer { font-size: 11px; text-align: center; color: var(--text-secondary); font-weight: bold; margin: 16px 0; }

/* ── Dialog hitung napas ── */
.dialog-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  align-items: center; justify-content: center; z-index: 100;
}
.dialog-overlay.active { display: flex; }
.dialog-box {
  background: #fff; border-radius: 16px; padding: 24px; max-width: 320px; width: 90%;
  text-align: center;
}
.dialog-desc { font-size: 13px; color: var(--text-secondary); }
.breath-count { font-size: 64px; font-weight: bold; color: var(--red-primary); }
.breath-label { color: var(--text-secondary); font-size: 13px; }
.breath-timer { font-size: 20px; margin: 16px 0; }