/* ---------- Neo-brutalismo · pastel + sombras duras ---------- */

:root {
  color-scheme: light;

  --bg: #f3ede1;
  --ink: #12100e;
  --card: #fffdf7;

  --pink: #ffb3c7;
  --mint: #a7e8bd;
  --lav: #c9b8f8;
  --yellow: #ffe27a;
  --sky: #a9d8f0;
  --red: #ff9a8b;

  --sh: 5px 5px 0 var(--ink);
  --sh-lg: 8px 8px 0 var(--ink);
  --bd: 3px solid var(--ink);

  --font: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --display: 'Syne', var(--font);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 15px/1.55 var(--font);
  background-image:
    linear-gradient(rgba(18, 16, 14, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 16, 14, .04) 1px, transparent 1px);
  background-size: 26px 26px;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 44px 20px 96px;
}

/* ---------- Cabecera ---------- */

.app-head { margin-bottom: 28px; }

h1 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  transform: rotate(-1.4deg);
}

.logo-text {
  display: inline-block;
  font: 800 clamp(1.5rem, 5vw, 2.15rem)/1 var(--display);
  letter-spacing: -.02em;
  text-transform: uppercase;
  white-space: nowrap;
  background: var(--yellow);
  border: var(--bd);
  box-shadow: var(--sh);
  padding: 10px 16px 12px;
}

.logo-mark {
  width: 56px;
  height: 56px;
  flex: none;
  display: block;
}

@media (max-width: 420px) {
  .logo-text { white-space: normal; }
}

.sub {
  margin: 20px auto 0;
  max-width: 46ch;
  font-weight: 500;
  text-align: center;
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--lav);
  color: var(--ink);
  border: var(--bd);
  box-shadow: var(--sh);
  border-radius: 0;
  padding: 10px 16px;
  font: 700 .9rem/1 var(--font);
  text-transform: uppercase;
  letter-spacing: .03em;
  cursor: pointer;
  transition: transform .08s ease, box-shadow .08s ease, background .12s ease;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.btn:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }
.btn.ghost { background: var(--card); }
.btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: var(--sh);
  transform: none;
}

/* ---------- Zona de carga ---------- */

.drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  border: 3px dashed var(--ink);
  background: var(--card);
  padding: 34px 20px;
  text-align: center;
  transition: background .15s ease;
}
.drop.over { background: var(--mint); }
.drop.loaded { background: var(--yellow); padding: 22px 20px; }
.drop p { margin: 0; font-weight: 500; }
.drop p strong { font-family: var(--display); font-weight: 700; text-transform: uppercase; }

/* alterna el texto según haya archivo o no */
.drop-hint--more { display: none; }
.drop.loaded .drop-hint--empty { display: none; }
.drop.loaded .drop-hint--more { display: block; }
.drop.loaded .drop-or { display: none; }

.filename {
  margin: 0;
  font: 800 clamp(1.05rem, 3.6vw, 1.45rem)/1.2 var(--display);
  color: var(--ink);
  word-break: break-word;
}
.filename:empty { display: none; }

/* ---------- Tarjetas ---------- */

.card {
  margin-top: 22px;
  background: var(--card);
  border: var(--bd);
  box-shadow: var(--sh-lg);
  padding: 20px;
}

h2 {
  margin: 0;
  font: 800 1.15rem/1 var(--display);
  text-transform: uppercase;
  letter-spacing: -.01em;
}

/* ---------- Reproductor ---------- */

.player-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.status {
  font: 700 .78rem/1 var(--font);
  text-transform: uppercase;
  letter-spacing: .04em;
  background: var(--sky);
  border: 2px solid var(--ink);
  padding: 4px 8px;
}
.status:empty { display: none; }
#loop.is-active { background: var(--yellow); }
.time {
  margin-left: auto;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.progress {
  position: relative;
  margin: 18px 0 6px;
  height: 20px;
  background: var(--card);
  border: var(--bd);
  cursor: pointer;
  touch-action: none;
}
.progress:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }
#bar {
  height: 100%;
  width: 0;
  background: var(--pink);
  box-shadow: 3px 0 0 var(--ink);
  pointer-events: none;
}

.hint {
  color: var(--ink);
  opacity: .72;
  font-size: .82rem;
  margin: 12px 0 0;
}

/* ---------- Salida MIDI externa ---------- */

.midi-out {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 3px solid var(--ink);
}
#midi-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
}
.midi-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font: 700 .72rem/1 var(--font);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.midi-field select {
  font: 500 .9rem/1 var(--font);
  color: var(--ink);
  background: var(--card);
  border: var(--bd);
  border-radius: 0;
  padding: 8px 10px;
  cursor: pointer;
}
.midi-field select:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }
.midi-mutes { display: flex; gap: 10px; }
.icon-btn { padding: 9px 11px; }
.icon-btn .icon {
  display: block;
  width: 19px;
  height: 19px;
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-btn .icon .fill { fill: var(--ink); stroke: none; }
.icon-btn .icon .slash { stroke-width: 2.6; opacity: 0; }
.icon-btn.is-muted { background: var(--red); }
.icon-btn.is-muted .icon .slash { opacity: 1; }
.btn.midi-rescan { padding: 8px 12px; font-size: .78rem; }
#midi-status:empty { display: none; }
#midi-status { line-height: 1.5; }
code {
  font-family: ui-monospace, 'Space Grotesk', monospace;
  background: var(--bg);
  border: 1px solid var(--ink);
  padding: 0 4px;
}

/* ---------- Bancos de sonido ---------- */

.bank-fields { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 14px; }
.bank-fields .midi-field { flex: 1 1 200px; }

/* ---------- Lista de pistas ---------- */

.tracks-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.export-btns { display: flex; gap: 10px; flex-wrap: wrap; }

#track-list { list-style: none; margin: 18px 0 0; padding: 0; }
#track-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  margin-top: 12px;
  background: var(--card);
  border: var(--bd);
  box-shadow: var(--sh);
  transition: background .12s ease, transform .08s ease;
}
#track-list li:first-child { margin-top: 0; }
#track-list li.playing { background: var(--mint); }
#track-list li.playing-ext { background: var(--lav); }
#track-list li.routed {
  box-shadow: inset 8px 0 0 var(--lav), var(--sh);
}
#track-list li.routed:not(.playing-ext) { background: #efe9fc; }
#track-list li.muted { background: #e7e3d8; }
#track-list li.muted .tname-input { color: var(--ink); opacity: .5; text-decoration: line-through; }
#track-list li.muted .tmeta { opacity: .45; }
#track-list li.locating { animation: locate-flash .5s ease 2; }
@keyframes locate-flash {
  0%, 100% { background: var(--card); }
  40% { background: var(--yellow); }
}

.tinfo { min-width: 0; flex: 0 1 auto; }
.tname-input {
  width: 100%;
  max-width: 260px;
  font: 700 1rem/1.2 var(--display);
  color: var(--ink);
  background: transparent;
  border: 2px solid transparent;
  border-radius: 0;
  padding: 3px 6px;
  margin: -3px -6px 0;
}
.tname-input:hover { border-color: var(--ink); }
.tname-input:focus {
  outline: none;
  border-color: var(--ink);
  background: var(--yellow);
  box-shadow: 3px 3px 0 var(--ink);
}
.tmeta {
  color: var(--ink);
  opacity: .65;
  font-size: .8rem;
  font-weight: 500;
  margin-top: 3px;
}
.spacer { flex: 1; }
.tctrl { display: flex; gap: 10px; flex: none; }

#track-list li > .btn,
.tctrl > .btn { flex: none; }
.btn.locate,
.btn.mute-btn,
.btn.solo-btn,
.btn.ext-btn {
  padding: 9px 11px;
  min-width: 42px;
  justify-content: center;
}
.btn.solo-btn { min-width: 36px; }
.btn.solo-btn.is-solo { background: var(--yellow); }
.btn.locate { background: var(--sky); }
.btn.mute-btn.is-muted { background: var(--red); }
.btn.ext-btn.is-ext { background: var(--lav); }

#track-list li.dimmed { opacity: .45; }

/* ---------- Errores ---------- */

.error {
  margin-top: 22px;
  background: var(--red);
  border: var(--bd);
  box-shadow: var(--sh);
  color: var(--ink);
  font-weight: 600;
  padding: 14px 16px;
}

@media (max-width: 620px) {
  /* Móvil: nombre + descarga arriba, controles en una fila propia debajo. */
  #track-list li {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 10px;
    row-gap: 10px;
    align-items: center;
  }
  #track-list li .spacer { display: none; }
  .tinfo { display: contents; }
  .tname-input { grid-column: 1; max-width: 100%; }
  .tmeta { grid-column: 1 / -1; margin-top: 0; }
  .dl-btn { grid-column: 2; grid-row: 1; }
  /* Controles centrados; el botón ▶ (locate) absorbe el espacio libre. */
  .tctrl { grid-column: 1 / -1; justify-content: center; }
  .tctrl > .btn.locate { flex: 1 1 auto; }
}