:root {
  --bg: #f4f1ec;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --accent: #1e2a4a;
  --accent-text: #ffffff;
  --gold: #c9a24a;
  --border: #e3ded5;
  --chord: #b4482b;
  --shadow: 0 2px 10px rgba(30, 42, 74, 0.08);
}

body.dark {
  --bg: #11141d;
  --card: #1b2030;
  --text: #eceae4;
  --muted: #9aa3b5;
  --accent: #c9a24a;
  --accent-text: #11141d;
  --gold: #c9a24a;
  --border: #2b3247;
  --chord: #f0a26b;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 16px 100px;
  background: var(--bg);
  color: var(--text);
  transition: background 0.2s, color 0.2s;
}

.hidden { display: none !important; }

/* Header */
h1 {
  text-align: center;
  font-size: 30px;
  letter-spacing: 1px;
  margin: 22px 0 14px;
  color: var(--accent);
}
h1::after {
  content: "";
  display: block;
  width: 50px;
  height: 3px;
  background: var(--gold);
  margin: 8px auto 0;
  border-radius: 2px;
}
#brandTitle {
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
h2 { margin: 10px 0 4px; }
h3 { margin: 18px 0 8px; font-size: 16px; color: var(--muted); }

/* Buttons */
button {
  padding: 9px 15px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s, box-shadow 0.15s;
}
button:hover { background: var(--bg); }
button:active { transform: scale(0.95); }

#favBtn.active, .tab.active, .ctab.active, button.primary {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}
.wide { width: 100%; margin-top: 16px; padding: 13px; font-size: 16px; }
.linkbtn {
  display: block;
  margin: 12px auto 0;
  border: none;
  background: transparent;
  color: var(--muted);
  text-decoration: underline;
}
.linkbtn:hover { background: transparent; color: var(--text); }
.danger { color: #b3261e; }

/* Forms */
.form {
  background: var(--card);
  border-radius: 16px;
  padding: 20px;
  margin-top: 16px;
  box-shadow: var(--shadow);
}
.form label { display: block; margin-top: 14px; font-weight: 600; font-size: 14px; }
.form input, .form select, .form textarea {
  width: 100%;
  padding: 11px;
  margin-top: 5px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
}
.form textarea { height: 280px; font-family: monospace; white-space: pre; }
.note { color: var(--muted); font-size: 14px; }

/* Search and tabs */
.search-row { display: flex; gap: 8px; margin-bottom: 12px; }
#searchBox {
  flex: 1;
  padding: 12px 14px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
}
.tabs {
  position: relative;
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--card);
  border-radius: 14px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs .ctab {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 4px;
  font-weight: 600;
}
.tabs .tab {
  position: relative;
  z-index: 1;
  flex: 1 0 auto;
  border: none;
  background: transparent;
  padding: 10px 13px;
  font-weight: 600;
  white-space: nowrap;
}
.tabs .tab.active, .tabs .ctab.active {
  background: var(--accent);
  color: var(--accent-text);
}
.tabs .indicator {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: 0;
  border-radius: 10px;
  background: var(--accent);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), width 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}
.tabs.slide .tab.active { background: transparent; }
.controls { display: flex; gap: 8px; margin: 14px 0; flex-wrap: wrap; }

/* Church bar */
#churchBar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: var(--card);
  border-radius: 12px;
  box-shadow: var(--shadow);
  font-size: 14px;
  color: var(--muted);
}
#churchBar .bar-right { display: flex; gap: 6px; flex-wrap: wrap; }
#churchBar button { padding: 6px 10px; font-size: 13px; }

/* Admin and member rows */
.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
}
.row .label { font-weight: 600; word-break: break-all; }
.row .sub { font-size: 13px; color: var(--muted); font-weight: 400; }
.row .actions { display: flex; gap: 6px; flex-shrink: 0; }

/* Song cards */
.song-item {
  background: var(--card);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 10px;
  cursor: pointer;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--gold);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.song-item.anim {
  animation: cardIn 0.32s ease both;
  animation-delay: calc(var(--i, 0) * 30ms);
}
.song-item:hover { transform: translateY(-2px); }
.song-item:active { transform: scale(0.98); }
.song-item .title { font-weight: 700; font-size: 17px; }
.song-item .sub { font-size: 13px; color: var(--muted); margin-top: 3px; }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* Song reader */
#songMeta { color: var(--muted); margin: 0 0 8px; }
.chordpick {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  margin-bottom: 4px;
  border-color: var(--gold);
  font-weight: 600;
}
.chordpick::after { content: "\25BE"; color: var(--muted); }
#songKey {
  display: inline-block;
  margin: 0 0 10px;
  padding: 5px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  background: var(--card);
  border: 1px solid var(--gold);
  border-radius: 999px;
}
.pager { display: flex; gap: 8px; margin-top: 16px; }
.pager button { flex: 1; padding: 13px; font-weight: 600; }
#songText {
  background: var(--card);
  border-radius: 16px;
  padding: 20px;
  font-size: 19px;
  line-height: 1.9;
  white-space: pre-wrap;
  box-shadow: var(--shadow);
}
#songText.swap { animation: fade 0.2s ease; }
#songText b.chord {
  color: var(--chord);
  font-weight: 700;
  font-size: 0.85em;
}

/* Change chords sheet */
.sheet-back {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  animation: fade 0.2s ease;
}
.sheet {
  width: 100%;
  max-width: 640px;
  max-height: 75vh;
  overflow-y: auto;
  padding: 18px 16px 24px;
  background: var(--card);
  border-radius: 20px 20px 0 0;
  animation: sheetUp 0.28s ease;
}
.sheet h2 { margin-top: 0; }
.opt {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 13px 14px;
  text-align: left;
  font-weight: 600;
  border-radius: 12px;
}
.opt .sub { display: block; font-size: 12px; font-weight: 400; color: var(--muted); }
.opt.current { border-color: var(--gold); box-shadow: inset 0 0 0 1px var(--gold); }

/* Plus button */
#addBtn {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  font-size: 32px;
  line-height: 1;
  padding: 0;
  background: var(--gold);
  color: #11141d;
  border: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  animation: pop 0.35s ease;
}
#addBtn:hover { background: var(--gold); transform: scale(1.06); }

/* Theme toggle */
#themeBtn {
  position: fixed;
  top: 12px;
  right: 12px;
  padding: 7px 11px;
  border-radius: 20px;
  z-index: 5;
}

/* Toast */
#toast {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--accent-text);
  padding: 11px 18px;
  border-radius: 12px;
  z-index: 40;
  max-width: 90%;
  box-shadow: var(--shadow);
  animation: toastIn 0.25s ease;
}

/* Motion */
.screen-in { animation: screenIn 0.28s ease both; }
.pop { animation: pop 0.38s ease; }

@keyframes screenIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
@keyframes pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.28); }
  70% { transform: scale(0.94); }
  100% { transform: scale(1); }
}
@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes sheetUp {
  from { transform: translateY(100%); }
  to { transform: none; }
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, -10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}