:root {
  --bg: #111318; --surface: #1b1e25; --text: #f2f3f5; --muted: #9aa0ab;
  --line: #6b717d; --accent: #f5b942; --on-accent: #1a1300; --hl: rgba(245, 185, 66, .22); --danger: #ff7b6b;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #fbfaf6; --surface: #efede6; --text: #15171a; --muted: #5d636e;
  --line: #3a3e46; --accent: #b86e00; --on-accent: #fff; --hl: rgba(184, 110, 0, .2); --danger: #b3261e;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; }
body {
  background: var(--bg); color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
/* La app ocupa la pantalla fija: encabezado y panel quietos, y solo se desplaza el contenido del medio. */
#app { position: fixed; inset: 0; display: flex; flex-direction: column; max-width: 900px; margin: 0 auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
main { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 0 16px 16px; }

/* barra superior */
.top {
  display: flex; align-items: center; gap: 8px; min-height: 56px;
  padding: calc(6px + env(safe-area-inset-top)) 12px 6px 16px;
}
.ttl { flex: 1; min-width: 0; }
.ttl h1 { margin: 0; font-size: 1.15rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ttl p { margin: 0; font-size: .8rem; color: var(--muted); min-height: 1em; }
.tx, .ic {
  background: none; border: 0; min-height: 44px; padding: 0 10px; border-radius: 8px; color: var(--accent); font-weight: 600;
}
.ic { font-size: 2rem; line-height: 1; margin-left: -12px; }
.ic2 { background: none; border: 0; min-width: 44px; min-height: 44px; border-radius: 8px; color: var(--accent); display: grid; place-items: center; }
.toast {
  position: fixed; left: 50%; top: calc(64px + env(safe-area-inset-top)); translate: -50% 0; z-index: 10; max-width: 88vw;
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: .9rem; text-align: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .4);
}
.tx.pri { background: var(--accent); color: var(--on-accent); padding: 0 16px; }

/* biblioteca */
.search { padding: 0 16px 8px; }
.search input, .fields input, .fields select, .ctl select, textarea {
  width: 100%; background: var(--surface); border: 1px solid transparent; border-radius: 10px; padding: 10px 12px;
}
.search input:focus, .fields input:focus, .fields select:focus, textarea:focus, .ctl select:focus {
  outline: none; border-color: var(--accent);
}
.filt { display: flex; gap: 6px; overflow-x: auto; padding: 0 16px 8px; scrollbar-width: none; }
.filt[hidden] { display: none; }
.filt::-webkit-scrollbar { display: none; }
.filt button { flex: none; min-height: 36px; padding: 0 14px; border: 0; border-radius: 18px; background: var(--surface); color: var(--muted); white-space: nowrap; }
.filt button.on { background: var(--accent); color: var(--on-accent); font-weight: 600; }
.list { padding-bottom: 96px; }
.item { display: block; padding: 12px 0; border-bottom: 1px solid var(--surface); color: inherit; text-decoration: none; }
.item b { display: block; font-size: 1.05rem; }
.item span { font-size: .85rem; color: var(--muted); }
.inc { font-style: normal; font-weight: 500; font-size: .68rem; color: var(--muted); border: 1px solid var(--line); border-radius: 8px; padding: 0 6px; vertical-align: middle; white-space: nowrap; }
.empty { color: var(--muted); text-align: center; padding: 32px 0; }
.fab {
  position: fixed; right: max(20px, calc(50% - 430px)); bottom: calc(20px + env(safe-area-inset-bottom));
  width: 60px; height: 60px; border-radius: 50%; border: 0; background: var(--accent); color: var(--on-accent);
  font-size: 2rem; line-height: 1; box-shadow: 0 4px 14px rgba(0, 0, 0, .4);
}
dialog { border: 0; padding: 0; background: var(--surface); color: var(--text); border-radius: 16px; width: min(92vw, 380px); }
dialog::backdrop { background: rgba(0, 0, 0, .55); }
.sheet { display: flex; flex-direction: column; gap: 6px; padding: 14px; }
.sheet button { background: var(--bg); border: 0; border-radius: 10px; min-height: 48px; padding: 0 14px; text-align: left; }
.sheet button b { display: block; }
.sheet button small { color: var(--muted); }
.sheet button:has(small) { padding-top: 8px; padding-bottom: 8px; }
.sheet label { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 4px; }
.sheet input[type=range] { flex: 0 0 62%; accent-color: var(--accent); }
.sheet .chk { justify-content: flex-start; }
.sheet .chk input { width: 20px; height: 20px; accent-color: var(--accent); }

/* listas de temas */
.seg.tabs { margin: 0 16px 8px; }
.lrow { display: flex; align-items: center; gap: 4px; border-bottom: 1px solid var(--surface); }
.lrow .item { flex: 1; min-width: 0; border: 0; }
.lrow.drag {
  position: relative; z-index: 2; background: var(--surface); border-color: transparent; border-radius: 10px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .5), 0 0 0 1.5px var(--accent); cursor: grabbing;
}
.lrow.drag .hdl { color: var(--accent); }
.lrow .hdl { background: none; color: var(--muted); touch-action: none; cursor: grab; display: grid; place-items: center; }
#rows { position: relative; user-select: none; -webkit-user-select: none; }
.lrow button { flex: none; width: 40px; height: 44px; border: 0; border-radius: 8px; background: var(--surface); font-size: 1.1rem; }
.lrow button:disabled { opacity: .3; }
.picklist { max-height: 55dvh; overflow-y: auto; }
.sheet .pick { justify-content: flex-start; min-height: 44px; }
.sheet .pick[hidden] { display: none; }
.pick span { min-width: 0; }
.pick b { display: block; font-weight: 500; }
.pick small { color: var(--muted); }
#pq { width: 100%; background: var(--bg); border: 1px solid transparent; border-radius: 10px; padding: 10px 12px; }
#pq:focus { outline: none; border-color: var(--accent); }
.pick input { flex: none; width: 20px; height: 20px; accent-color: var(--accent); }
.sheet button.pri { background: var(--accent); color: var(--on-accent); font-weight: 600; text-align: center; }
.setnav { display: flex; align-items: center; gap: 8px; padding: 0 8px 2px; font-size: .8rem; color: var(--muted); }
.setnav span { flex: 1; min-width: 0; text-align: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.setnav button { background: none; border: 0; min-height: 40px; padding: 0 8px; color: var(--accent); font-weight: 600; }
.setnav button:disabled { opacity: .3; }

/* cifrado */
.chart { padding-top: 4px; }
.row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 8px; }
.bar { min-width: 0; }
.lab { height: 1.35rem; display: flex; align-items: flex-end; gap: 6px; font-size: .78rem; white-space: nowrap; padding-left: 3px; }
.sec { background: var(--accent); color: var(--on-accent); font-weight: 700; padding: 0 6px; border-radius: 4px; line-height: 1.25; }
.end { align-self: stretch; display: flex; align-items: flex-end; flex: 1; border-left: 1.5px solid var(--line); border-top: 1.5px solid var(--line); padding-left: 4px; margin-left: -3px; font-weight: 600; }
.txt { color: var(--muted); font-style: italic; }
.cell {
  position: relative; display: flex; align-items: center; height: 3.5rem; padding: 0 5px;
  border-left: 1.5px solid var(--line); container-type: inline-size;
}
.bar:last-child .cell, .bar:nth-child(4n) .cell { border-right: 1.5px solid var(--line); }
.bar.rs .cell { border-left: 5px double var(--line); padding-left: 11px; }
.bar.re .cell { border-right: 5px double var(--line); padding-right: 11px; }
.bar.rs .cell::before, .bar.re .cell::after { content: ":"; position: absolute; top: 50%; translate: 0 -55%; font-weight: 700; }
.bar.rs .cell::before { left: 2px; }
.bar.re .cell::after { right: 2px; }
.bar.on .cell { background: var(--hl); }
.bar.from .cell { box-shadow: inset 0 -4px var(--accent); }
.bar.rng .cell { background: var(--hl); box-shadow: inset 0 -4px var(--accent); }
.bar.rng.on .cell { background: var(--accent); color: var(--on-accent); }
.bar.rng0 .cell { outline: 2px dashed var(--accent); outline-offset: -2px; }
#chart { touch-action: pan-y; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
#chart .cell { cursor: pointer; }
.shared { padding: 4px 0 8px; }
.shared b { display: block; font-size: 1.2rem; }
.shared span { font-size: .85rem; color: var(--muted); }
.ts { display: flex; flex-direction: column; font-size: .8rem; line-height: 1; margin-right: 4px; color: var(--muted); }
.tm { position: absolute; right: 12px; top: 1px; font-size: .7rem; color: var(--muted); }
.chs { flex: 1; min-width: 0; display: grid; align-items: center; }
.ch { white-space: nowrap; font-size: clamp(.85rem, 30cqw, 1.9rem); line-height: 1; }
.n2 .ch { font-size: clamp(.85rem, 20cqw, 1.5rem); }
.n3 .ch { font-size: clamp(.7rem, 11cqw, 1.1rem); }
.ch b { font-weight: 700; }
.ch i { font-style: normal; font-size: .66em; vertical-align: .3em; margin-left: .05em; }
.ch u { text-decoration: none; font-size: .7em; }
.ch .rp { color: var(--muted); font-size: 1.2em; }
.ch .nc { font-size: .6em; color: var(--muted); }

/* controles de la canción: panel deslizable */
.grab {
  width: 100%; min-height: 34px; padding: 8px 0 6px; background: none; border: 0; color: var(--muted); font-size: .72rem;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; touch-action: none; cursor: grab;
}
.grab i { width: 44px; height: 4px; border-radius: 2px; background: var(--line); }
.ctl.open .grab span { display: none; }
.more { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .25s ease; }
.ctl.open .more { grid-template-rows: 1fr; }
.more .in { min-height: 0; overflow: hidden; visibility: hidden; transition: visibility 0s .25s; }
.ctl.open .more .in { visibility: visible; transition-delay: 0s; max-height: 55dvh; overflow-y: auto; }
.more .r { margin-top: 12px; }
.fld { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; font-size: .7rem; color: var(--muted); }
.fld select { flex: none; width: 100%; color: var(--text); font-size: 1rem; }
.mixer { margin-top: 8px; }
.mixer label { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 42px; font-size: .9rem; }
.mixer input[type=range] { flex: 0 0 66%; accent-color: var(--accent); }
.mixer .chk { justify-content: flex-start; }
.mixer .chk input { width: 20px; height: 20px; accent-color: var(--accent); }
.ctl {
  background: var(--surface); padding: 0 12px calc(10px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; border-radius: 16px 16px 0 0; box-shadow: 0 -4px 16px rgba(0, 0, 0, .25);
}
.ctl .r { display: flex; align-items: flex-end; gap: 10px; }
.play {
  flex: none; width: 56px; height: 56px; border-radius: 50%; border: 0; background: var(--accent); color: var(--on-accent);
  display: grid; place-items: center;
}
.play.on { background: var(--text); color: var(--bg); }
.grp { flex: 1; min-width: 0; }
.grp > span { display: block; font-size: .7rem; color: var(--muted); text-align: center; }
.st { display: flex; background: var(--bg); border-radius: 10px; overflow: hidden; }
.st button, .st input { background: none; border: 0; min-height: 44px; text-align: center; }
.st button { flex: 0 0 36px; font-size: 1.3rem; }
.st .val, .st input { flex: 1; min-width: 0; width: 0; font-size: 1rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.st input { appearance: textfield; -moz-appearance: textfield; }
.st input::-webkit-inner-spin-button { display: none; }
.ctl select { background: var(--bg); min-height: 44px; flex: 1; min-width: 0; }

/* editor */
.meta summary, .help summary { min-height: 40px; display: flex; align-items: center; color: var(--accent); cursor: pointer; }
.meta .fields { margin-top: 6px; }
.seg { display: flex; background: var(--surface); border-radius: 10px; padding: 3px; margin: 6px 0 4px; }
.seg button { flex: 1; min-height: 38px; border: 0; background: none; border-radius: 8px; color: var(--muted); }
.seg button.on { background: var(--bg); color: var(--text); font-weight: 600; }
.ed .cell { cursor: pointer; }
.ed .chs { align-self: stretch; gap: 3px; padding: 5px 0; align-items: stretch; }
.ed .ch { display: flex; align-items: center; min-width: 0; padding: 0 3px; border-radius: 6px; }
.ed .ch:empty { outline: 1px dashed var(--line); outline-offset: -1px; }
.ed .ch.cur { background: var(--hl); outline: 2px solid var(--accent); outline-offset: -1px; }
.pad {
  background: var(--surface); padding: 6px 10px calc(8px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; gap: 6px; border-radius: 16px 16px 0 0;
}
.pad[hidden] { display: none; }
.pad button { min-height: 44px; min-width: 44px; border: 0; border-radius: 8px; background: var(--bg); padding: 0 8px; }
.pad button.on { background: var(--accent); color: var(--on-accent); font-weight: 700; }
.ptabs { display: flex; gap: 4px; }
.ptabs button:not([data-a=tab]) { min-width: 40px; padding: 0; display: grid; place-items: center; }
.pad button:disabled { opacity: .35; }
.ptabs .sp { flex: 1; }
.ptabs [data-a=tab] { background: none; color: var(--muted); font-weight: 600; border-radius: 0; padding: 0 8px; }
.ptabs [data-a=tab].on { background: none; color: var(--accent); box-shadow: inset 0 -2px var(--accent); }
.ptabs [data-a=prev], .ptabs [data-a=next] { font-size: 1.5rem; line-height: 1; }
.kb { display: grid; gap: 6px; }
.k7 { grid-template-columns: repeat(7, 1fr); }
.k7 button { font-size: 1.25rem; font-weight: 700; min-width: 0; padding: 0; }
.k5 { grid-template-columns: 1fr 1fr 1.5fr 1.9fr 1.5fr; }
.k5 button { min-width: 0; padding: 0 2px; white-space: nowrap; }
.k5 [data-a=acc] { font-size: 1.35rem; }
.quals { grid-template-columns: repeat(5, 1fr); max-height: 9.6rem; overflow-y: auto; }
.quals button { min-width: 0; padding: 0 2px; font-size: .9rem; }
.other { max-height: 15.5rem; overflow-y: auto; }
.other h3 { font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 8px 0 4px; font-weight: 600; }
.other h3:first-child { margin-top: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button { padding: 0 12px; }
.hint { margin: 0; min-height: 44px; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .88rem; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.fields label { font-size: .78rem; color: var(--muted); display: flex; flex-direction: column; gap: 3px; }
.fields .w { grid-column: 1 / -1; }
.keypick { display: flex; flex-direction: column; gap: 6px; font-size: .78rem; color: var(--muted); }
.keypick button { min-height: 44px; min-width: 0; padding: 0 4px; border: 0; border-radius: 8px; background: var(--surface); color: var(--text); font-size: 1rem; }
.keypick .k7 button { font-size: 1.15rem; font-weight: 700; }
.keypick button.on { background: var(--accent); color: var(--on-accent); font-weight: 700; }
.keypick button:disabled { opacity: .35; }
.kmods { grid-template-columns: 1fr 1fr 1.6fr 1.6fr 1.8fr; }
.kmods [data-a=kacc] { font-size: 1.3rem; }
.fields input, .fields select { color: var(--text); font-size: 1rem; }
.keys { position: sticky; top: 0; z-index: 1; background: var(--bg); display: flex; gap: 6px; overflow-x: auto; padding: 6px 0; }
.keys button {
  flex: none; min-width: 44px; min-height: 44px; padding: 0 10px; border: 0; border-radius: 8px;
  background: var(--surface); font-family: ui-monospace, Consolas, monospace;
}
textarea { display: block; font: 1rem/1.6 ui-monospace, Consolas, monospace; resize: vertical; min-height: 9rem; }
.help { margin: 10px 0; font-size: .9rem; color: var(--muted); }
.help ul { margin: 4px 0; padding-left: 18px; }
.help li { margin-bottom: 6px; }
.help code { background: var(--surface); color: var(--text); padding: 1px 5px; border-radius: 4px; white-space: nowrap; }
.edit h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 18px 0 0; }
.ghost { margin-top: 28px; width: 100%; min-height: 48px; background: none; border: 1px solid var(--line); border-radius: 10px; }
.danger { margin-top: 10px; width: 100%; min-height: 48px; background: none; border: 1px solid var(--danger); color: var(--danger); border-radius: 10px; }

@media (min-width: 700px) {
  .cell { height: 4.4rem; }
  .ctl .r, .mixer { max-width: 640px; margin-left: auto; margin-right: auto; width: 100%; }
}
@media print {
  :root, :root[data-theme] { --bg: #fff; --surface: #fff; --text: #000; --muted: #444; --line: #000; --accent: #000; --on-accent: #fff; --hl: transparent; }
  html, body { overflow: visible; height: auto; }
  #app { position: static; max-width: none; }
  main { overflow: visible; }
  .ctl, .top button, .fab, .setnav { display: none; }
  .row { break-inside: avoid; }
}