/* ==========================================================================
   BEATS — the studio UI. The site shell lives in site.css.
   ========================================================================== */

:root {
  --panel: rgba(10,6,16,.76);
  --panel-hi: rgba(20,12,30,.9);
  --c-kick:#ce2a55; --c-snare:#d99133; --c-clap:#8cc185; --c-chat:#4bd6ff;
  --c-ohat:#3a9ad4; --c-tom:#9059c9; --c-rim:#d4649b; --c-perc:#c8a24a;
  --c-bass:#4682b4; --c-lead:#f2a03d; --c-chord:#7ec8a0;
}

.studio { padding: 26px 0 0; }

.studio-head { margin-bottom: 20px; }
.studio-head h1 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(30px, 4.6vw, 50px);
  letter-spacing: .15em;
  text-indent: .15em;
  line-height: 1;
  margin: 0 0 10px;
}
.studio-head p {
  font-size: 15px;
  color: var(--text-dim);
  margin: 0;
  max-width: 54ch;
}

/* ----------------------------  TRANSPORT  --------------------------------- */

.transport {
  position: sticky;
  top: var(--bar-h);
  z-index: 30;
  background: rgba(8,5,12,.94);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 12px 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  backdrop-filter: blur(8px);
}
.tr-group { display: flex; align-items: center; gap: 8px; }
.tr-sep { width: 1px; align-self: stretch; background: var(--line); }

.tr-btn {
  font-family: var(--font-ui); font-weight: 600; font-size: 12px;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 11px 18px; border-radius: 2px; cursor: pointer;
  border: 1px solid var(--line); background: rgba(255,255,255,.06); color: var(--text);
  transition: background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.tr-btn:hover { background: rgba(255,255,255,.14); }
.tr-btn.primary { background: var(--red); border-color: var(--red); }
.tr-btn.primary:hover { background: #e03a63; }
.tr-btn.armed { background: #b8102f; border-color: #ff6b8a; animation: pulse 1.1s infinite; }
@keyframes pulse { 50% { opacity: .55; } }
.tr-btn[aria-pressed="true"] { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.45); }

.tr-field { display: flex; flex-direction: column; gap: 3px; }
.tr-field > span {
  font-family: var(--font-ui); font-size: 9.5px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--text-faint);
}
.tr-field input[type=range] { width: 104px; }
.tr-num {
  font-family: var(--font-ui); font-weight: 600; font-size: 15px;
  color: var(--text); min-width: 52px;
}
select {
  font-family: var(--font-body); font-size: 13.5px; color: var(--text);
  background: rgba(255,255,255,.07); border: 1px solid var(--line);
  border-radius: 2px; padding: 8px 9px; cursor: pointer;
}
select option { background: #16101f; color: #fff; }

.tr-pos {
  font-family: var(--font-ui); font-weight: 600; font-size: 14px;
  letter-spacing: .1em; color: var(--text-dim); min-width: 118px;
}
.tr-pos b { color: var(--text); }

/* ----------------------------  TABS  -------------------------------------- */

.tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.tabs button {
  font-family: var(--font-ui); font-weight: 600; font-size: 11.5px;
  letter-spacing: .18em; text-transform: uppercase;
  padding: 11px 22px; cursor: pointer; color: var(--text-dim);
  background: rgba(255,255,255,.04); border: 1px solid var(--line);
  border-radius: 2px; transition: all .15s ease;
}
.tabs button:hover { color: var(--text); background: rgba(255,255,255,.1); }
.tabs button[aria-selected="true"] {
  background: rgba(255,255,255,.16); color: var(--text);
  border-color: rgba(255,255,255,.4);
}

.pane { display: none; }
.pane.on { display: block; }

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 3px; padding: 16px; backdrop-filter: blur(4px);
}
.card + .card { margin-top: 14px; }
.card h3 {
  font-family: var(--font-ui); font-weight: 600; font-size: 11px;
  letter-spacing: .2em; text-transform: uppercase; color: var(--text-faint);
  margin: 0 0 12px;
}

/* ----------------------------  STEP GRID  --------------------------------- */

.gridwrap { overflow-x: auto; padding-bottom: 4px; }
.grid { display: grid; gap: 3px; min-width: 560px; }
.grid.drums  { grid-template-columns: 74px repeat(16, minmax(22px, 1fr)); }
.grid.roll   { grid-template-columns: 74px repeat(16, minmax(22px, 1fr)); }

.g-label {
  font-family: var(--font-ui); font-weight: 500; font-size: 9.5px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim);
  align-self: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  cursor: pointer; padding-right: 4px;
}
.g-label:hover { color: var(--text); }
.g-label.chordtone { color: var(--text); font-weight: 700; }

.cell {
  /* Fixed height, not aspect-ratio: with 16 columns across a wide card,
     square cells came out 72px tall and the grid filled the screen. */
  height: 30px; padding: 0; cursor: pointer;
  border-radius: 2px; border: 1px solid rgba(255,255,255,.11);
  background: rgba(255,255,255,.035);
  transition: background .09s ease, transform .06s ease;
}
.cell.beat { background: rgba(255,255,255,.085); }
.cell.chordrow { border-color: rgba(255,255,255,.2); }
.cell:hover { background: rgba(255,255,255,.22); }
.cell.on { background: var(--cc); border-color: var(--cc); }
.cell.v1 { opacity: .48; }
.cell.v2 { opacity: .78; }
.cell.v3 { opacity: 1; box-shadow: 0 0 10px -2px var(--cc); }
.cell.head { border-color: rgba(255,255,255,.9); }
.cell.on.head { transform: scale(1.18); }

.ruler { display: grid; gap: 3px; min-width: 560px; margin-bottom: 5px; }
.ruler span { font-family: var(--font-ui); font-size: 9px; color: var(--text-faint); text-align: center; }
.ruler span.on { color: var(--text); }

/* ----------------------------  PATTERN / TRACK PICKERS  ------------------- */

.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  font-family: var(--font-ui); font-weight: 600; font-size: 11px;
  letter-spacing: .12em; text-transform: uppercase; padding: 9px 14px;
  cursor: pointer; border-radius: 2px; color: var(--text-dim);
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
  transition: all .15s ease;
}
.chip:hover { color: var(--text); background: rgba(255,255,255,.12); }
.chip[aria-pressed="true"] { background: var(--red); border-color: var(--red); color: #fff; }
.chip.track[aria-pressed="true"] { background: var(--tc); border-color: var(--tc); }

.row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; justify-content: space-between; }

/* ----------------------------  SONG  -------------------------------------- */

.sections { display: flex; flex-direction: column; gap: 7px; }
.section-row {
  display: grid;
  grid-template-columns: 26px 1fr 120px 96px auto;
  gap: 9px; align-items: center;
  padding: 9px 10px; border-radius: 2px;
  background: rgba(255,255,255,.04); border: 1px solid var(--line);
}
.section-row.playing { border-color: var(--red); background: rgba(206,42,85,.16); }
.section-row .idx {
  font-family: var(--font-ui); font-size: 11px; color: var(--text-faint); text-align: center;
}
.section-row input[type=text] {
  font-family: var(--font-body); font-size: 13.5px; color: var(--text);
  background: rgba(255,255,255,.06); border: 1px solid var(--line);
  border-radius: 2px; padding: 7px 9px; width: 100%;
}
.mini {
  font-family: var(--font-ui); font-size: 11px; letter-spacing: .1em;
  text-transform: uppercase; padding: 7px 10px; cursor: pointer;
  background: rgba(255,255,255,.06); border: 1px solid var(--line);
  border-radius: 2px; color: var(--text-dim);
}
.mini:hover { color: var(--text); background: rgba(255,255,255,.16); }
.songbar { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

/* ----------------------------  MIXER  ------------------------------------- */

.mixgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(178px, 1fr)); gap: 10px; }
.strip {
  background: rgba(255,255,255,.04); border: 1px solid var(--line);
  border-top: 3px solid var(--cc); border-radius: 2px; padding: 12px;
  display: flex; flex-direction: column; gap: 9px;
}
.strip h4 {
  font-family: var(--font-ui); font-weight: 600; font-size: 11px;
  letter-spacing: .16em; text-transform: uppercase; margin: 0; color: var(--text);
}
.strip label {
  font-family: var(--font-ui); font-size: 9px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--text-faint);
  display: flex; justify-content: space-between; gap: 6px;
}
.strip .btns { display: flex; gap: 5px; }
.strip .btns button {
  flex: 1; font-family: var(--font-ui); font-size: 10px; letter-spacing: .1em;
  padding: 6px 0; cursor: pointer; border-radius: 2px; color: var(--text-dim);
  background: rgba(255,255,255,.06); border: 1px solid var(--line);
}
.strip .btns button[aria-pressed="true"] { background: var(--cc); border-color: var(--cc); color: #fff; }

/* ----------------------------  PADS  -------------------------------------- */

.pads { display: grid; grid-template-columns: repeat(8, 1fr); gap: 7px; }
.pad {
  height: 58px; border-radius: 3px; cursor: pointer;
  border: 1px solid var(--line); background: rgba(255,255,255,.05);
  color: var(--text-dim); font-family: var(--font-ui); font-weight: 600;
  font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  transition: background .08s ease, transform .06s ease;
}
.pad small { font-size: 9px; opacity: .55; letter-spacing: .06em; }
.pad:hover { background: rgba(255,255,255,.14); color: var(--text); }
.pad.lit { background: var(--cc); border-color: var(--cc); color: #fff; transform: scale(.95); }

.hint { font-size: 12.5px; color: var(--text-faint); margin: 10px 0 0; }
.status {
  font-family: var(--font-ui); font-size: 11px; letter-spacing: .1em;
  color: var(--text-faint); text-transform: uppercase;
}

/* ----------------------------  RESPONSIVE  -------------------------------- */

@media (max-width: 860px) {
  .transport { position: static; padding: 11px; }
  .tr-sep { display: none; }
  .grid.drums, .grid.roll, .ruler { grid-template-columns: 56px repeat(16, minmax(16px, 1fr)); min-width: 420px; }
  .cell { height: 24px; }
  .pads { grid-template-columns: repeat(4, 1fr); }
  .section-row { grid-template-columns: 22px 1fr 96px; grid-auto-rows: min-content; }
  .section-row .bars, .section-row .del { grid-column: span 1; }
}