/* FM-1 Pulses — themes are the FM-1's OWN seven, decoded from its firmware
   (`BGTHEME` table, baudgirl_092_app.bin @ 0x8ecbc: each entry = 12-byte name
   + 4 RGB565 colours = accent, tint, dark bg, mid). */

:root, [data-theme="purple"] {
  --bg: #1e1524; --panel: #291c31; --panel2: #3c3043; --line: #584d5e;
  --fg: #edecee; --dim: #6a5d7b; --accent: #ff5da4; --accent2: #c5a5f6;
  --ok: #7ee787; --err: #ff6b8a;
}
[data-theme="black"] {
  --bg: #181b1e; --panel: #202429; --panel2: #34373c; --line: #515458;
  --fg: #ededed; --dim: #52555a; --accent: #f6f2f6; --accent2: #9c99a4;
  --ok: #7ee787; --err: #ff6b8a;
}
[data-theme="grey"] {
  --bg: #1e1e1e; --panel: #292829; --panel2: #3c3b3c; --line: #585758;
  --fg: #ededed; --dim: #5a5d5a; --accent: #f6e6d5; --accent2: #b4b2ac;
  --ok: #7ee787; --err: #ff6b8a;
}
[data-theme="orange"] {
  --bg: #241812; --panel: #312018; --panel2: #43342c; --line: #5e514a;
  --fg: #eeedec; --dim: #7b594a; --accent: #ff7939; --accent2: #ffcaa4;
  --ok: #7ee787; --err: #ff6b8a;
}
[data-theme="green"] {
  --bg: #0c241e; --panel: #103029; --panel2: #25423c; --line: #445d58;
  --fg: #ebeeed; --dim: #5a716a; --accent: #6ae2cd; --accent2: #c5eee6;
  --ok: #7ee787; --err: #ff6b8a;
}
[data-theme="blue"] {
  --bg: #121b24; --panel: #182431; --panel2: #2c3743; --line: #4a545e;
  --fg: #ecedee; --dim: #5a657b; --accent: #8bb2e6; --accent2: #eee2d5;
  --ok: #7ee787; --err: #ff6b8a;
}
[data-theme="brown"] {
  --bg: #1e1812; --panel: #292018; --panel2: #3c342c; --line: #58514a;
  --fg: #ededec; --dim: #6a5d52; --accent: #e69962; --accent2: #eee2d5;
  --ok: #7ee787; --err: #ff6b8a;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--fg);
  font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  display: flex; flex-direction: column; min-height: 100vh;
  transition: background .25s, color .25s;
}

header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel);
  position: sticky; top: 0; z-index: 5; flex-wrap: wrap;
}
h1 { font-size: 15px; margin: 0; font-weight: 600; letter-spacing: .5px; }
h1 span { color: var(--accent); }
h1 small { color: var(--dim); font-weight: 400; margin-left: 8px; font-size: 11px; }
.midi { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.status { font-size: 12px; color: var(--dim); }
.status.ok { color: var(--ok); }
.status.err { color: var(--err); }

main { flex: 1; padding: 14px 16px 120px; max-width: 1180px; width: 100%; margin: 0 auto; }

h2 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 1.2px;
  color: var(--fg); opacity: .62; margin: 16px 0 8px; font-weight: 600;
}
h2 small { text-transform: none; letter-spacing: 0; color: var(--dim); font-weight: 400; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 6px 20px; }
.ctl { display: grid; grid-template-columns: 82px 1fr 58px 42px; align-items: center; gap: 8px; padding: 3px 0; }
.ctl > span { color: var(--fg); opacity: .62; font-size: 12px; }
.ctl > .span2 { grid-column: 2 / -1; }
.ctl > b { text-align: left; color: var(--accent); font-weight: 500; font-size: 11px; font-variant-numeric: tabular-nums; white-space: nowrap; }

input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 18px; background: none; }
input[type=range]::-webkit-slider-runnable-track { height: 4px; background: var(--line); border-radius: 2px; }
input[type=range]::-moz-range-track { height: 4px; background: var(--line); border-radius: 2px; }
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; margin-top: -5px; border-radius: 50%;
  background: var(--accent); border: 0; cursor: pointer;
}
input[type=range]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--accent); border: 0; cursor: pointer; }

select, button {
  font: inherit; color: var(--fg); background: var(--panel2);
  border: 1px solid var(--line); border-radius: 6px; padding: 5px 9px; cursor: pointer;
}
input[type=number] {
  font: inherit; color: var(--fg); background: var(--panel2); border: 1px solid var(--line);
  border-radius: 6px; padding: 4px 6px; width: 100%; text-align: right;
  font-variant-numeric: tabular-nums;
}
input[type=number]:focus { outline: none; border-color: var(--accent); }
input[type=checkbox].chk { width: 18px; height: 18px; accent-color: var(--accent); justify-self: start; margin: 0; cursor: pointer; }
select { width: 100%; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--bg); border-color: var(--accent); font-weight: 600; }
button.primary:hover { filter: brightness(1.08); }
button.playing { background: var(--err); color: var(--bg); border-color: var(--err); font-weight: 600; }
button.danger { color: var(--err); }
button.danger:hover { border-color: var(--err); }

/* ---- bank strip: 16 slots, each a mini 8x8 step map ---- */
.banksec { margin-top: 12px; }
.bank { display: grid; grid-template-columns: repeat(16, 1fr); gap: 6px; }
.bankcell {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 6px 4px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; cursor: pointer; font: inherit;
}
.bankcell:hover { border-color: var(--dim); }
.bankcell.sel { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.bankcell .bn { font-size: 10px; color: var(--dim); }
.bankcell.sel .bn { color: var(--accent); font-weight: 600; }
.bankcell .mini { display: grid; grid-template-columns: repeat(8, 1fr); gap: 1px; width: 100%; }
.bankcell .mini i { aspect-ratio: 1 / 1; border-radius: 50%; background: var(--line); opacity: .55; }
.bankcell .mini i.on { background: var(--accent); opacity: 1; }
/* loop steps are HIGHLIGHTED, not darkened: rests lift out of the dim, notes keep full accent */
.bankcell .mini i.loop { background: color-mix(in srgb, var(--accent) 35%, transparent); opacity: 1; }
.bankcell .mini i.loop.on { background: var(--accent); }
.bankcell .mini i.loopstart { background: color-mix(in srgb, var(--accent) 60%, transparent); opacity: 1; }
.bankcell .mini i.loopstart.on { background: var(--accent); }
.bankcell .bc { font-size: 9px; color: var(--dim); }

/* ---- phrase step grid: each step is a circle, like the FM-1's LEDs ---- */
.buffer { margin-top: 8px; }
.steps {
  display: grid; grid-template-columns: repeat(16, 1fr); gap: 8px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px;
}
.cell {
  aspect-ratio: 1 / 1; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 10px; background: #ffffff; color: #17171f;
  border: 1px solid transparent; user-select: none;
}
.cell.on { background: var(--accent); color: var(--bg); border-color: var(--accent); font-weight: 600; }
.cell.off { opacity: .18; }
.cell.now { box-shadow: 0 0 0 2px var(--accent2); }
.cell.locked { border-color: var(--accent2); box-shadow: inset 0 0 0 1px var(--accent2); }
.cell.edit { outline: 2px solid var(--accent); outline-offset: 1px; }

/* step editor bar */
.editor {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: 8px; padding: 8px 10px; background: var(--panel);
  border: 1px solid var(--line); border-radius: 10px; font-size: 12px;
}
.editor .elab { color: var(--fg); opacity: .62; }
.editor .elab b { color: var(--accent); }
.editor .enote { color: var(--accent); font-weight: 600; min-width: 52px; }
.editor button { padding: 4px 9px; }
.editor .elock.on { border-color: var(--accent2); color: var(--accent2); }
.editor .lockcount { color: var(--dim); margin-left: auto; }

footer {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; border-top: 1px solid var(--line); background: var(--panel);
  position: sticky; bottom: 0;
}
.group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.slotpick, .themepick { color: var(--dim); font-size: 12px; display: flex; align-items: center; gap: 6px; }
.slotpick select { width: auto; }

/* theme menu — one round swatch per FM-1 theme */
.theme-menu { display: flex; gap: 6px; align-items: center; }
.swatch {
  width: 22px; height: 22px; padding: 0; border-radius: 50%;
  border: 2px solid var(--line); cursor: pointer;
}
.swatch:hover { border-color: var(--dim); }
.swatch.active { border-color: var(--fg); box-shadow: 0 0 0 2px var(--panel); }

.hint { color: var(--fg); opacity: .6; font-size: 11px; }
a.guide { color: var(--dim); text-decoration: none; font-size: 12px; }
a.guide:hover { color: var(--accent); }

@media (max-width: 640px) {
  .ctl { grid-template-columns: 74px 1fr 54px 38px; gap: 6px; }
  .steps { grid-template-columns: repeat(8, 1fr); }
  .bank { grid-template-columns: repeat(8, 1fr); }
}