/* Dark performance UI. Built for a 14 inch ThinkPad screen first, then folded
   down to the phone, since the phone is a real target over USB. */
:root {
  --bg: #0b0d12;
  --panel: #141821;
  --panel-2: #1b2130;
  --line: #262d3d;
  --text: #e7ecf6;
  --muted: #8794ad;
  --accent: #ff8a3d;
  --accent-2: #43d9ad;
  --play: #46e08a;
  --rec: #ff4d63;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 ui-sans-serif, system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

#app {
  max-width: 1500px;
  margin: 0 auto;
  padding: 14px 16px 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

h1 { font-size: 17px; margin: 0; letter-spacing: 0.2px; }
h2 { font-size: 13px; margin: 0 0 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
h3 { font-size: 13px; margin: 0 0 8px; }
p { margin: 0; }

.muted { color: var(--muted); font-weight: 400; }
.small { font-size: 12px; }
.center { text-align: center; }
.spacer { flex: 1; }
.hidden { display: none !important; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  box-shadow: var(--shadow);
}

/* ---------- header ---------- */

.bar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 12px; }

.logo {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(150deg, var(--accent), #ff3d7f);
  font-weight: 800; letter-spacing: 0.5px;
  color: #1a1005;
}

#subtitle { color: var(--muted); font-size: 12px; }

.chips { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.chip b { color: var(--text); font-weight: 600; }
.chip.ok { border-color: #1f5f45; color: #9ff0c9; }
.chip.warn { border-color: #6b4a13; color: #ffd48a; }
.chip.bad { border-color: #6b1f2a; color: #ffb3bd; }

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

/* ---------- buttons and fields ---------- */

.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px 13px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.06s ease, border-color 0.15s ease, background 0.15s ease;
}
.btn:hover { border-color: #3a4459; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(160deg, var(--accent), #ff5f2e); color: #1a1005; border-color: transparent; }
.btn.small { padding: 5px 9px; font-size: 12px; }
.btn.tall { padding: 8px 22px; }
.btn.play.on { background: var(--play); color: #05210f; border-color: transparent; }
.btn.on { background: var(--accent-2); color: #04231c; border-color: transparent; }
.btn.rec.on { background: var(--rec); color: #2a0209; border-color: transparent; }
.btn.file { display: inline-flex; align-items: center; }

.select, input[type="number"], input[type="text"], textarea {
  background: #0e1219;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  font: inherit;
}
textarea { resize: vertical; width: 100%; }
input[type="range"] { accent-color: var(--accent); }

.field { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); }
.field input[type="number"] { width: 74px; }
.field.checkbox { gap: 6px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }

/* ---------- prompt ---------- */

.tabs { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; }
.tab {
  background: transparent; border: 1px solid var(--line); color: var(--muted);
  border-radius: 999px; padding: 5px 13px; font-size: 12px; font-weight: 600; cursor: pointer;
}
.tab.active { background: var(--panel-2); color: var(--text); border-color: #3d4a63; }

.prompt-row { display: flex; gap: 10px; align-items: stretch; }
.prompt-row textarea { flex: 1; }

.source-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.section-nav { display: flex; align-items: center; gap: 8px; font-size: 12px; }
#section-label { min-width: 130px; text-align: center; color: var(--text); }
.meta { margin-top: 8px; font-size: 12px; color: var(--muted); min-height: 16px; }

/* ---------- transport ---------- */

.transport { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* ---------- grid ---------- */

.grid { display: flex; flex-direction: column; gap: 6px; overflow-x: auto; }

.grid-row { display: flex; align-items: center; gap: 8px; min-width: max-content; }

.grid-head {
  width: 210px; min-width: 210px;
  display: flex; align-items: center; gap: 6px;
}
.grid-head .name {
  flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-weight: 600; font-size: 12px;
}
.grid-head .dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.grid-head select { font-size: 11px; padding: 3px 5px; }
.grid-head .mini {
  border: 1px solid var(--line); background: var(--panel-2); color: var(--muted);
  border-radius: 6px; font-size: 10px; padding: 3px 6px; cursor: pointer; font-weight: 700;
}
.grid-head .mini.on { color: #04231c; background: var(--accent-2); border-color: transparent; }
.grid-head .mini.rec.on { color: #2a0209; background: var(--rec); }

.cells { display: flex; gap: 3px; }
.cell {
  width: 26px; height: 30px;
  border-radius: 5px;
  background: #10141d;
  border: 1px solid #1d2432;
  cursor: pointer;
  position: relative;
}
.cell.beat { border-color: #2b3448; }
.cell.on { background: var(--accent); border-color: transparent; }
.cell.on.drum { background: var(--accent-2); }
.cell.playhead { box-shadow: inset 0 0 0 2px #ffffff; }
.cell .note-label {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 9px; color: #2a1a06; font-weight: 700; pointer-events: none;
}

.ruler { display: flex; gap: 3px; margin-left: 218px; }
.ruler span {
  width: 26px; text-align: center; font-size: 10px; color: var(--muted);
}
.ruler span.beat { color: var(--text); }

/* ---------- columns ---------- */

.columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }

.pads { display: grid; grid-template-columns: repeat(16, 1fr); gap: 4px; }
.pad {
  aspect-ratio: 3 / 4;
  border-radius: 5px;
  background: #10141d;
  border: 1px solid #1d2432;
  position: relative;
  cursor: pointer;
}
.pad span {
  position: absolute; bottom: 2px; left: 0; right: 0;
  text-align: center; font-size: 8px; color: rgba(255, 255, 255, 0.45);
}
.pad.top { margin-bottom: 6px; }
.pad-controls { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 12px; }

.macros { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.macro { background: var(--panel-2); border: 1px solid var(--line); border-radius: 9px; padding: 8px; }
.macro label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.macro .value { font-size: 13px; font-weight: 700; }
.macro .bar-bg { height: 4px; background: #0d1119; border-radius: 3px; margin-top: 6px; overflow: hidden; }
.macro .bar-fill { height: 100%; background: var(--accent); width: 50%; }
.macro.touched { border-color: var(--accent); }

.arp { display: flex; gap: 10px; flex-wrap: wrap; }

.sounds { display: flex; flex-direction: column; gap: 8px; }
.sound-row { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.sound-row .voice { width: 62px; font-weight: 600; }
.sound-row .state { flex: 1; color: var(--muted); font-size: 11px; }

/* ---------- log ---------- */

.log-card { padding: 10px 14px; }
.log-head { display: flex; align-items: center; justify-content: space-between; }
#log, .monitor {
  margin: 6px 0 0; max-height: 150px; overflow: auto;
  font: 11px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--muted); white-space: pre-wrap;
}

/* ---------- modal ---------- */

.modal {
  position: fixed; inset: 0; background: rgba(4, 6, 10, 0.72);
  display: grid; place-items: center; padding: 20px; z-index: 40;
  overflow: auto;
}
.modal-inner { width: min(1100px, 100%); max-height: 90vh; overflow: auto; }
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.setup-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.setup-grid > div { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }

.learn-status { font-size: 12px; color: var(--accent); min-height: 16px; }
.learn-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; max-height: 220px; overflow: auto; }
.learn-item { display: flex; justify-content: space-between; gap: 8px; font-size: 11px; padding: 3px 6px; border-radius: 6px; background: #0e1219; }
.learn-item.done { color: var(--accent-2); }
.learn-item button { font-size: 10px; }

/* ---------- narrow screens, the S25 Ultra included ---------- */

@media (max-width: 1100px) {
  .columns { grid-template-columns: 1fr; }
  .setup-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  #app { padding: 10px 10px 30px; }
  .bar { gap: 10px; }
  .bar-actions { width: 100%; }
  .bar-actions .btn { flex: 1; }
  .prompt-row { flex-direction: column; }
  .grid-head { width: 130px; min-width: 130px; }
  .ruler { margin-left: 138px; }
  .cell { width: 22px; height: 26px; }
  .ruler span { width: 22px; }
  .macros { grid-template-columns: repeat(2, 1fr); }
  .pads { gap: 3px; }
}