*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #1a4d8f;
  --blue-light: #e8f0fb;
  --text: #1a1a1a;
  --text-muted: #666;
  --card-bg: #fff;
  --card-shadow: 0 2px 8px rgba(0,0,0,0.1);
  --radius: 12px;
  --spacing: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f0f4fa;
  color: var(--text);
  min-height: 100dvh;
  padding-bottom: env(safe-area-inset-bottom);
}

.app-header {
  background: var(--blue);
  color: white;
  padding: 16px var(--spacing);
  padding-top: calc(16px + env(safe-area-inset-top));
  text-align: center;
}
.app-header h1 { font-size: 1.4rem; font-weight: 700; letter-spacing: 0.02em; }

.app-main { padding: var(--spacing); max-width: 480px; margin: 0 auto; }

/* ── Settings ── */
.settings-panel {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: var(--spacing);
  margin-bottom: var(--spacing);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.settings-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.settings-label { font-size: 0.95rem; }

/* Pill toggle */
.pill-toggle {
  display: flex;
  border: 2px solid var(--blue);
  border-radius: 999px;
  overflow: hidden;
}
.pill-btn {
  background: none; border: none;
  padding: 6px 20px; font-size: 0.95rem;
  cursor: pointer; color: var(--blue);
  transition: background 0.15s, color 0.15s;
}
.pill-btn.active { background: var(--blue); color: white; }

/* Toggle switch */
.toggle-row {
  display: flex; align-items: center;
  justify-content: space-between; width: 100%; cursor: pointer;
}
.switch-wrap { position: relative; }
.switch-wrap input[type="checkbox"] {
  opacity: 0; width: 0; height: 0; position: absolute;
}
.switch-track {
  display: block; width: 44px; height: 26px;
  background: #ccc; border-radius: 999px;
  transition: background 0.2s; cursor: pointer;
  position: relative;
}
.switch-track::after {
  content: ''; position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  background: white; border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}
.switch-wrap input:checked + .switch-track { background: var(--blue); }
.switch-wrap input:checked + .switch-track::after { transform: translateX(18px); }

/* Theme select */
#theme-select {
  border: 1.5px solid #ccc; border-radius: 8px;
  padding: 6px 10px; font-size: 0.9rem;
  background: white; color: var(--text); min-width: 150px;
}

/* ── Theme warning ── */
.theme-warning {
  background: #fff8e1; border: 1px solid #f9a825;
  border-radius: 8px; padding: 10px 14px;
  font-size: 0.85rem; color: #795548;
  margin-bottom: var(--spacing);
}
.hidden { display: none !important; }

/* ── Hymn cards ── */
.hymn-cards { display: flex; flex-direction: column; gap: 12px; margin-bottom: var(--spacing); }

.hymn-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 14px var(--spacing);
  border-left: 4px solid transparent;
  transition: border-color 0.15s;
}
.hymn-card.locked { border-left-color: var(--blue); }

.card-header {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 8px;
}
.slot-label {
  font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--blue);
}
.slot-label.sacrament { color: #6d3a1f; }

.lock-btn {
  background: none; border: none; font-size: 1.2rem;
  cursor: pointer; padding: 2px 6px; border-radius: 6px; line-height: 1;
}
.lock-btn:active { background: #eee; }

.hymn-info {
  display: flex; align-items: baseline;
  gap: 10px; margin-bottom: 10px;
}
.hymn-number {
  font-size: 1rem; font-weight: 700;
  color: var(--text-muted); min-width: 36px; flex-shrink: 0;
}
.hymn-title { font-size: 1.05rem; font-weight: 600; line-height: 1.3; }

.theme-check {
  display: flex; align-items: center;
  gap: 6px; font-size: 0.85rem;
  color: var(--text-muted); cursor: pointer;
}
.theme-check input { accent-color: var(--blue); width: 16px; height: 16px; }

/* ── Reshuffle button ── */
.reshuffle-btn {
  width: 100%; padding: 16px;
  font-size: 1.1rem; font-weight: 700;
  background: var(--blue); color: white;
  border: none; border-radius: var(--radius);
  cursor: pointer; letter-spacing: 0.03em;
  transition: opacity 0.15s;
}
.reshuffle-btn:active { opacity: 0.8; }