:root {
  --bg: #0a0a12;
  --panel: #14141f;
  --line: #262636;
  --text: #ecebf5;
  --muted: #8b89a6;
  --accent: #6c5ce7;
  --pad-r: 16px;
  --gap: 10px;
}

* { box-sizing: border-box; }

/* Qualquer `display` declarado aqui vence o `[hidden]` do navegador, e o JS
 * esconde coisas por esse atributo. Uma regra só evita o problema todo. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  overscroll-behavior: none;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  /* No iOS um toque longo abre lupa/seleção e atrasa o som. */
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* ---------- barras ---------- */

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  flex: 0 0 auto;
}

.brand { display: flex; align-items: center; gap: 8px; letter-spacing: .3px; }
.brand strong { font-size: 15px; font-weight: 650; }

.dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #4b4b63;
  transition: background .2s, box-shadow .2s;
}
.dot.live { background: #2ecc71; box-shadow: 0 0 10px #2ecc71aa; }

.bar-actions { display: flex; gap: 8px; }

.chip {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
}
.chip:active { transform: scale(.96); }
.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.footer { padding-top: 4px; }

.vol { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.vol span { font-size: 11px; color: var(--muted); letter-spacing: 1px; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  min-width: 0;
  height: 26px;
  background: transparent;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
  background: var(--line);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  margin-top: -8px;
  border-radius: 50%;
  background: var(--text);
}
input[type="range"]::-moz-range-track { height: 4px; border-radius: 2px; background: var(--line); }
input[type="range"]::-moz-range-thumb { width: 20px; height: 20px; border: 0; border-radius: 50%; background: var(--text); }

.hint { font-size: 11px; color: var(--muted); white-space: nowrap; }

/* ---------- aviso de armazenamento ---------- */

.warn {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 14px 8px;
  padding: 10px 12px;
  border: 1px solid #ffc93c3d;
  border-radius: 12px;
  background: #ffc93c14;
  font-size: 12px;
  line-height: 1.35;
  color: #ffd76b;
}
.warn button {
  margin-left: auto;
  flex: 0 0 auto;
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 15px;
  padding: 2px 4px;
  cursor: pointer;
  opacity: .7;
}

/* ---------- barra de pastas ---------- */

.folders {
  flex: 0 0 auto;
  display: flex;
  gap: 8px;
  padding: 2px 14px 10px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
}
.folders::-webkit-scrollbar { display: none; }

.fchip {
  flex: 0 0 auto;
  scroll-snap-align: center;
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  padding: 7px 15px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
}
.fchip:active { transform: scale(.96); }
.fchip[aria-current="true"] {
  background: #ffffff10;
  border-color: #ffffff2e;
  color: var(--text);
}
.fchip.add { padding: 7px 14px; font-size: 16px; line-height: 1; color: var(--muted); }

body.editing .fchip[aria-current="true"]::after { content: " ✎"; opacity: .6; }

/* No modo editar o gesto é do arrasto, não da rolagem da barra. */
body.editing .fchip { touch-action: none; }
body.editing .folders { scroll-snap-type: none; }
body.dragging-folder { cursor: grabbing; }
body.dragging-folder .fchip:not(.dragging) { transition: transform .16s ease-out; }

.fchip.dragging {
  position: relative;
  z-index: 5;
  border-color: #ffffff45;
  background: #20202e;
  color: var(--text);
  box-shadow: 0 10px 24px #000000a6;
  transform-origin: center;
}

.chip.hot { border-color: #ffffff36; color: #fff; }

/* ---------- grade de pads ---------- */

.grid {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 1fr;
  gap: var(--gap);
  padding: 4px 14px 10px;
}

.pad {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 9px 7px;
  text-align: center;
  border: 1px solid #ffffff14;
  border-radius: var(--pad-r);
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--c) 34%, transparent), color-mix(in srgb, var(--c) 8%, transparent)),
    var(--panel);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  overflow: hidden;
  /* o pad nunca deve rolar/zoomar a página */
  touch-action: none;
  transition: transform .06s ease-out, box-shadow .12s ease-out;
  will-change: transform;
}

.pad .label {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.15;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pad .sub {
  font-size: 9px;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--muted);
}

.pad .glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--c) 85%, white 15%), transparent 68%);
  opacity: 0;
  pointer-events: none;
}
.pad.hit .glow {
  opacity: .85;
  transition: opacity .34s ease-out;
}
.pad.hit {
  transform: scale(.955);
  box-shadow: 0 0 22px color-mix(in srgb, var(--c) 55%, transparent);
}

.pad.playing { border-color: color-mix(in srgb, var(--c) 70%, transparent); }
.pad.playing::after {
  content: "";
  position: absolute;
  top: 8px; right: 8px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 8px var(--c);
}

.pad.custom .sub { color: color-mix(in srgb, var(--c) 70%, var(--muted)); }

/* pad sem som: convida a receber um arquivo */
.pad.empty {
  background: var(--panel);
  border-style: dashed;
  border-color: #ffffff1f;
}
.pad.empty .label { font-size: 22px; font-weight: 300; color: var(--muted); }
.pad.empty .sub { opacity: .75; }
.pad.empty.hit { box-shadow: none; }

body.editing .pad {
  animation: wiggle 1.6s ease-in-out infinite;
  touch-action: none;          /* no modo editar o gesto é do arrasto */
}

/* pad sendo arrastado e o lugar para onde ele vai */
.pad.arrastando {
  z-index: 10;
  animation: none;
  opacity: .92;
  box-shadow: 0 14px 34px #000000b3;
  transition: none;
}
.pad.alvo {
  animation: none;
  border-color: var(--text);
  border-style: solid;
  box-shadow: inset 0 0 0 2px #ffffff5c;
}
body.dragging-pad .pad:not(.arrastando) { animation: none; }
body.editing .pad::before {
  content: "✎";
  position: absolute;
  top: 6px; left: 9px;
  font-size: 12px;
  color: var(--muted);
}
@keyframes wiggle {
  0%, 100% { transform: rotate(-.35deg); }
  50% { transform: rotate(.35deg); }
}
@media (prefers-reduced-motion: reduce) {
  body.editing .pad { animation: none; }
}

/* ---------- painel de ajustes ---------- */

.sheet {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: #000000a8;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.sheet-panel {
  width: min(520px, 100%);
  max-height: 88dvh;
  /* Rodapé fora da área que rola: sem isso a barra de ações fica flutuando
   * por cima do último campo e corta as cores pela metade. */
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 22px 22px 0 0;
  padding: 8px 20px calc(14px + env(safe-area-inset-bottom));
  animation: rise .22s ease-out;
}

.sheet-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
@keyframes rise { from { transform: translateY(14%); opacity: .6; } }

.sheet-grab {
  width: 40px; height: 4px;
  border-radius: 2px;
  background: var(--line);
  margin: 6px auto 12px;
}

.sheet h2 { margin: 0 0 16px; font-size: 17px; }

.field { display: block; margin-bottom: 16px; }
.field > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 7px; }
.field.cbx { display: flex; align-items: center; gap: 10px; }
.field.cbx span { margin: 0; font-size: 12px; color: var(--muted); }
.field.cbx input { width: 18px; height: 18px; accent-color: var(--accent); }

.field input[type="text"] {
  width: 100%;
  font: inherit;
  /* < 16px faz o iOS dar zoom ao focar o campo */
  font-size: 16px;
  color: var(--text);
  background: #0d0d16;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
}

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* A ação principal fica sempre à mão, no rodapé do painel, enquanto os campos
 * rolam acima dela. */
.row.end {
  flex: 0 0 auto;
  justify-content: flex-end;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.btn {
  appearance: none;
  font: inherit;
  font-size: 14px;
  padding: 11px 16px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: #0d0d16;
  color: var(--text);
  cursor: pointer;
}
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.ghost { background: transparent; }
.btn.danger { border-color: #ff4d6d59; color: #ff6b81; }

.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip.sm { font-size: 12px; padding: 6px 12px; color: var(--muted); }

.muted { color: var(--muted); font-size: 11px; display: block; margin-top: 8px; }

.seg { display: flex; border: 1px solid var(--line); border-radius: 11px; overflow: hidden; }
.seg button {
  flex: 1;
  appearance: none;
  border: 0;
  border-right: 1px solid var(--line);
  background: #0d0d16;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  padding: 11px 4px;
  cursor: pointer;
}
.seg button:last-child { border-right: 0; }
.seg button[aria-checked="true"] { background: var(--accent); color: #fff; font-weight: 600; }

.colors { display: flex; gap: 9px; flex-wrap: wrap; }
.colors button {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: var(--c);
  cursor: pointer;
  padding: 0;
}
.colors button[aria-pressed="true"] { border-color: var(--text); }

@media (min-width: 720px) {
  .grid { padding: 8px 20px 14px; --gap: 14px; }
  .pad .label { font-size: 14px; }
}