/* Padlab — Teenage Engineering inspired styling
   Light + Dark themes. Bigger type. Glow accents. */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700;800&display=swap');

:root {
  /* LIGHT (default) */
  --bg: #ece7dd;
  --paper: #f5f1e8;
  --paper-2: #e3ddd1;
  --ink: #1c1c1c;
  --ink-2: #2a2a2a;
  --muted: #6b6b6b;
  --hairline: #1c1c1c;
  --hairline-soft: rgba(28,28,28,.18);
  --orange: #ff5b1f;
  --orange-deep: #d8430d;
  --green: #5db075;
  --red: #d23a2a;
  --pad: #f5f1e8;
  --pad-empty-stripe: rgba(28,28,28,.05);
  --led-off: #c7c1b4;
  --pad-shadow: 0 1px 0 rgba(0,0,0,.06), 0 8px 18px -10px rgba(0,0,0,.25);
  --shadow-panel: 0 1px 0 rgba(255,255,255,.6) inset, 0 -1px 0 rgba(0,0,0,.05) inset, 0 10px 30px -18px rgba(0,0,0,.35);
  --bg-radial-1: rgba(255,91,31,.06);
  --bg-radial-2: rgba(28,28,28,.06);
  --glow: 0 0 0 transparent;
  --glow-orange: 0 0 18px rgba(255,91,31,.5), 0 0 4px rgba(255,91,31,.7);
  --glow-orange-strong: 0 0 28px rgba(255,91,31,.65), 0 0 8px rgba(255,91,31,.9);
  --glow-red: 0 0 14px rgba(210,58,42,.55), 0 0 4px rgba(210,58,42,.8);
}

[data-theme="dark"] {
  --bg: #0d0e10;
  --paper: #161719;
  --paper-2: #1d1f23;
  --ink: #efece4;
  --ink-2: #ddd9cf;
  --muted: #8a8678;
  --hairline: #2a2c30;
  --hairline-soft: rgba(239,236,228,.12);
  --orange: #ff7a3d;
  --orange-deep: #ff5b1f;
  --green: #6fd089;
  --red: #ef5a48;
  --pad: #1b1d20;
  --pad-empty-stripe: rgba(239,236,228,.04);
  --led-off: #3a3d42;
  --pad-shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 8px 22px -10px rgba(0,0,0,.7);
  --shadow-panel: 0 1px 0 rgba(255,255,255,.04) inset, 0 -1px 0 rgba(0,0,0,.4) inset, 0 14px 40px -18px rgba(0,0,0,.7);
  --bg-radial-1: rgba(255,122,61,.10);
  --bg-radial-2: rgba(255,255,255,.03);
  --glow-orange: 0 0 22px rgba(255,122,61,.55), 0 0 6px rgba(255,122,61,.8);
  --glow-orange-strong: 0 0 36px rgba(255,122,61,.75), 0 0 10px rgba(255,122,61,1);
  --glow-red: 0 0 18px rgba(239,90,72,.6), 0 0 6px rgba(239,90,72,.9);
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background:
    radial-gradient(1200px 600px at 10% -10%, var(--bg-radial-1), transparent 60%),
    radial-gradient(900px 500px at 110% 110%, var(--bg-radial-2), transparent 60%),
    var(--bg);
  color: var(--ink);
  font: 16px/1.4 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  user-select: none; -webkit-user-select: none;
  overscroll-behavior: none;
  transition: background .35s ease, color .35s ease;
}

.sr-only { position: absolute; left: -9999px; }

kbd {
  font: 700 13px 'JetBrains Mono', ui-monospace, monospace;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-bottom-width: 2px;
  padding: 2px 8px; border-radius: 5px;
  color: var(--ink);
}

/* ---------- TOP BAR ---------- */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 24px;
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 16px; }
.logo {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--orange);
  border: 1.5px solid var(--hairline);
  position: relative;
  box-shadow: inset 0 -5px 0 rgba(0,0,0,.18), var(--glow-orange-strong);
}
.logo::after {
  content:""; position:absolute; inset: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,.7), transparent 55%);
}
.brand h1 {
  font: 800 22px 'JetBrains Mono', monospace;
  margin: 0; letter-spacing: .28em; text-transform: uppercase;
  color: var(--ink);
}
.brand h1::after {
  content: " / SP-01";
  color: var(--muted); font-weight: 600;
}

.kit-controls, .actions { display: flex; gap: 8px; align-items: center; }
.kit-controls { margin-left: 16px; flex: 1; }
.actions { margin-left: auto; }

/* ---------- INPUTS / BUTTONS ---------- */
select, button, input[type="text"] {
  background: var(--paper);
  color: var(--ink);
  border: 1.5px solid var(--hairline);
  border-radius: 999px;
  padding: 11px 20px;
  font: 800 15px 'JetBrains Mono', monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
  height: 46px;
  transition: background .15s, color .15s, box-shadow .2s, transform .04s;
}
input[type="text"] {
  text-transform: none; letter-spacing: 0;
  font-family: 'Inter', sans-serif; font-weight: 500; font-size: 16px;
}
select { padding-right: 38px; appearance:none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%),
                    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 18px) 21px, calc(100% - 12px) 21px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
button { cursor: pointer; }
button:hover { background: var(--paper-2); box-shadow: var(--glow-orange); }
button:active { transform: translateY(1px); }
button.primary {
  background: var(--orange); color: #fff; border-color: var(--hairline);
  box-shadow: var(--glow-orange);
}
button.primary:hover { background: var(--orange-deep); box-shadow: var(--glow-orange-strong); }
button:disabled { opacity: .35; cursor: not-allowed; box-shadow: none; }

#new-kit, #rename-kit, #delete-kit, #export-kit, #import-kit { padding: 11px 16px; font-size: 17px; }
#theme-btn, #pip-btn, #install-btn { font-size: 14px; }

/* ---------- LAYOUT ---------- */
main {
  padding: 28px 28px 140px;
  display: grid; gap: 28px;
  max-width: 1180px; margin: 0 auto;
}
body.trimming main { padding-bottom: 360px; }

/* ---------- PAD GRID ---------- */
.pad-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(4, 1fr);
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow-panel);
  position: relative;
}
.pad-grid::after {
  content: "16-CHANNEL SAMPLER";
  position: absolute; top: -11px; left: 24px;
  background: var(--paper);
  padding: 0 12px;
  font: 800 13px 'JetBrains Mono', monospace;
  letter-spacing: .3em; color: var(--muted);
}

.pad {
  position: relative;
  aspect-ratio: 1/1;
  border: 1.5px solid var(--hairline);
  border-radius: 14px;
  background: var(--pad);
  box-shadow: var(--pad-shadow);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 14px;
  transition: transform .04s ease, background .15s ease, box-shadow .2s ease, border-color .2s;
  overflow: hidden;
  cursor: pointer;
}
.pad-thumb {
  position: absolute;
  left: 14px; right: 14px; bottom: 32px;
  height: 26px;
  pointer-events: none;
  opacity: .65;
}
.pad-thumb canvas { width: 100%; height: 100%; display: block; }
.pip-grid .pad-thumb { left: 8px; right: 8px; bottom: 18px; height: 16px; }
.pad.empty {
  background:
    repeating-linear-gradient(135deg,
      transparent 0 7px,
      var(--pad-empty-stripe) 7px 8px),
    var(--paper-2);
}
.pad:hover { box-shadow: var(--pad-shadow), var(--glow-orange); }

.pad .pad-key {
  font: 800 18px 'JetBrains Mono', monospace;
  color: var(--muted); letter-spacing: .22em;
}
.pad .pad-name {
  font: 700 14px 'JetBrains Mono', ui-monospace, monospace;
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: .04em;
  text-transform: uppercase;
  word-break: break-word;
  margin-top: 6px;
  cursor: text;
  border-radius: 4px;
  padding: 2px 4px;
  margin-left: -4px;
  outline: 1px solid transparent;
  transition: outline-color .15s, background .15s;
}
.pad .pad-name:hover { outline-color: var(--hairline-soft); }
.pad .pad-name:focus {
  outline-color: var(--orange);
  background: var(--paper-2);
  cursor: text;
}
.pad.empty .pad-name {
  color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .2em; font-size: 12px;
  cursor: pointer;
}
.pad .pad-meta {
  font: 700 12px 'JetBrains Mono', monospace;
  color: var(--muted); letter-spacing: .1em;
}

/* corner number chip */
.pad::before {
  content: attr(data-pad-num);
  position: absolute; bottom: 12px; right: 14px;
  font: 800 14px 'JetBrains Mono', monospace;
  color: var(--muted); letter-spacing: .18em;
}

/* Accent bar removed — pad presence is shown by the waveform thumbnail */
.pad .accent { display: none; }

.pad:active, .pad.flash {
  transform: translateY(1px) scale(.985);
  box-shadow: 0 0 0 2px var(--orange) inset, var(--pad-shadow), var(--glow-orange-strong);
  border-color: var(--orange);
}

/* LED dot */
.pad .pad-led {
  position: absolute; top: 12px; right: 14px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--led-off);
  border: 1.5px solid var(--hairline);
}
.pad.playing .pad-led {
  background: var(--orange);
  box-shadow: var(--glow-orange-strong);
}

/* ---------- RECORDER (floating bottom nav) ---------- */
.recorder {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  width: calc(100% - 36px);
  max-width: 1080px;
  background: var(--paper);
  border: 1.5px solid var(--hairline);
  border-radius: 18px;
  padding: 16px 20px;
  box-shadow:
    0 1px 0 rgba(255,255,255,.06) inset,
    0 -1px 0 rgba(0,0,0,.4) inset,
    0 24px 60px -20px rgba(0,0,0,.55),
    0 0 0 1px var(--hairline-soft);
  z-index: 20;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.recorder.is-trimming {
  /* When the trimmer is open, give it more room and let it scroll within itself */
  max-height: calc(100vh - 36px);
  overflow-y: auto;
}
.recorder::after {
  content: "INPUT / RECORD";
  position: absolute; top: -11px; left: 24px;
  background: var(--paper);
  padding: 0 12px;
  font: 800 13px 'JetBrains Mono', monospace;
  letter-spacing: .3em; color: var(--muted);
}
.rec-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.rec-btn { font-weight: 800; font-size: 16px; display: inline-flex; align-items: center; gap: 8px; }
.rec-btn::before {
  content: ""; display: inline-block;
  width: 12px; height: 12px; border-radius: 50%;
  flex-shrink: 0;
}
#rec-mic::before, #rec-tab::before {
  background: var(--orange);
  box-shadow: var(--glow-orange);
}
#rec-stop::before {
  background: transparent;
  border: 2px solid var(--ink);
  border-radius: 2px;
}
#rec-stop:disabled::before { border-color: var(--muted); opacity: .5; }
.rec-status {
  margin-left: auto;
  font: 800 14px 'JetBrains Mono', monospace;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: 12px;
}
.rec-status::before {
  content:""; width: 14px; height: 14px; border-radius: 50%;
  background: var(--led-off); border: 1.5px solid var(--hairline);
}
.rec-status.live { color: var(--red); }
.rec-status.live::before {
  background: var(--red);
  box-shadow: var(--glow-red);
  animation: blink 1s ease-in-out infinite;
}
@keyframes blink { 50% { opacity: .35; } }

/* trimmer */
.trimmer { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--hairline-soft); }
#wave {
  width: 100%; height: 170px; background: var(--paper-2);
  border: 1.5px solid var(--hairline); border-radius: 12px; display:block;
  box-shadow: inset 0 2px 10px rgba(0,0,0,.18);
}
.trim-controls { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
.trim-controls label {
  display:flex; align-items:center; gap:12px;
  font: 800 13px 'JetBrains Mono', monospace;
  letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
}
.trim-controls input[type=range] { width: 220px; }
.assign-label {
  font: 800 13px 'JetBrains Mono', monospace;
  letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
  margin-left: 10px;
}

/* Range — TE style: thin track, glowing orange thumb */
input[type=range] {
  -webkit-appearance: none; appearance: none;
  background: transparent; height: 26px;
}
input[type=range]::-webkit-slider-runnable-track {
  height: 2px; background: var(--ink); border-radius: 2px;
}
input[type=range]::-moz-range-track {
  height: 2px; background: var(--ink); border-radius: 2px;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--orange);
  border: 1.5px solid var(--hairline);
  margin-top: -10px;
  box-shadow: var(--glow-orange-strong);
  cursor: grab;
}
input[type=range]::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--orange); border: 1.5px solid var(--hairline);
  box-shadow: var(--glow-orange-strong); cursor: grab;
}

/* ---------- PAD EDITOR ---------- */
.pad-editor {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow-panel);
  position: relative;
}
.pad-editor::after {
  content: "PAD / EDIT";
  position: absolute; top: -11px; left: 24px;
  background: var(--paper);
  padding: 0 12px;
  font: 800 13px 'JetBrains Mono', monospace;
  letter-spacing: .3em; color: var(--muted);
}
.pad-editor h2 {
  margin: 0 0 16px;
  font: 800 17px 'JetBrains Mono', monospace;
  letter-spacing: .26em; text-transform: uppercase; color: var(--ink);
}
.editor-row { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; margin: 12px 0; }
.editor-row label {
  display:flex; gap:14px; align-items:center;
  font: 800 13px 'JetBrains Mono', monospace;
  letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
}
.editor-row input[type=range] { width: 240px; }
.editor-row span {
  font: 800 15px 'JetBrains Mono', monospace;
  background: var(--paper-2);
  border: 1.5px solid var(--hairline);
  padding: 4px 12px; border-radius: 6px; color: var(--ink);
  min-width: 52px; text-align: center;
}
input[type=color] {
  width: 40px; height: 40px; border: 1.5px solid var(--hairline);
  border-radius: 50%; padding: 0; background: none; cursor: pointer;
  box-shadow: var(--glow-orange);
}
input[type=color]::-webkit-color-swatch-wrapper { padding: 0; }
input[type=color]::-webkit-color-swatch { border: none; border-radius: 50%; }

input[type=checkbox] {
  appearance: none; -webkit-appearance: none;
  width: 24px; height: 24px; border: 1.5px solid var(--hairline);
  background: var(--paper); border-radius: 6px; cursor: pointer;
  display: inline-grid; place-content: center;
  transition: background .15s, box-shadow .2s;
}
input[type=checkbox]:checked {
  background: var(--orange); border-color: var(--hairline);
  box-shadow: var(--glow-orange-strong);
}
input[type=checkbox]:checked::after {
  content:""; width: 12px; height: 12px; background: #fff; border-radius: 2px;
}

/* ---------- FOOTER HINT ---------- */
.hint {
  text-align: center; color: var(--muted);
  padding: 24px;
  font: 700 13px 'JetBrains Mono', monospace;
  letter-spacing: .16em; text-transform: uppercase;
}
.hint kbd { margin: 0 3px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 760px) {
  .topbar {
    padding: 10px 12px;
    gap: 8px 10px;
    flex-wrap: wrap;
    align-items: center;
  }
  .brand { gap: 10px; flex: 1 1 auto; }
  .brand h1 { font-size: 16px; letter-spacing: .22em; }
  .brand h1::after { content: ""; }
  .logo { width: 32px; height: 32px; }

  /* compact toolbar buttons */
  select, button, input[type="text"] {
    height: 36px;
    padding: 7px 12px;
    font-size: 12px;
    letter-spacing: .12em;
    border-width: 1px;
  }
  #new-kit, #rename-kit, #delete-kit, #export-kit, #import-kit {
    padding: 7px 10px;
    min-width: 36px;
    font-size: 14px;
  }
  #theme-btn, #pip-btn, #install-btn { font-size: 11px; padding: 7px 11px; }
  select { padding-right: 26px;
    background-position: calc(100% - 13px) 16px, calc(100% - 8px) 16px;
  }

  /* Two-row layout: brand + DEFAULT dropdown on row 1, all icon buttons on row 2 */
  .brand { order: 1; }
  .kit-controls {
    order: 2;
    margin-left: 0;
    flex: 0 0 auto;
    gap: 6px;
    flex-wrap: wrap;
  }
  /* Move the kit <select> up next to the brand */
  #kit-select {
    order: 1;
    flex: 0 1 auto;
    max-width: 140px;
  }
  .actions {
    order: 3;
    margin-left: auto;
    flex: 0 0 auto;
    gap: 6px;
  }

  /* Pads */
  main {
    padding: 16px 14px 200px;
    gap: 22px;
  }
  body.trimming main { padding-bottom: 460px; }
  .pad-grid { gap: 8px; padding: 14px 12px 12px; }
  .pad-grid::after { left: 16px; font-size: 11px; letter-spacing: .26em; }

  .pad { padding: 10px; border-radius: 12px; border-width: 1px; }
  .pad .pad-key { font-size: 16px; }
  .pad .pad-name { font-size: 11px; margin-top: 4px; padding: 1px 3px; }
  .pad.empty .pad-name { font-size: 10px; letter-spacing: .14em; }
  .pad .pad-meta { font-size: 9px; }
  .pad::before { font-size: 10px; bottom: 8px; right: 10px; }
  .pad .pad-led { width: 10px; height: 10px; top: 8px; right: 10px; }
  .pad-thumb { left: 10px; right: 10px; bottom: 24px; height: 18px; }

  /* Recorder bar */
  .recorder {
    left: 8px; right: 8px; bottom: 8px;
    transform: none; width: auto;
    padding: 12px 14px 14px;
    border-radius: 16px;
    padding-bottom: calc(14px + env(safe-area-inset-bottom, 0));
    bottom: calc(8px + env(safe-area-inset-bottom, 0));
  }
  .recorder::after {
    left: 16px; font-size: 11px; letter-spacing: .24em;
  }
  .rec-row { gap: 8px; flex-wrap: nowrap; }
  .rec-btn { font-size: 12px; padding: 9px 12px; height: 40px; flex: 1 1 0; min-width: 0; gap: 6px; justify-content: center; }
  .rec-btn::before { width: 10px; height: 10px; }
  #rec-stop { flex: 0 0 auto; padding: 9px 14px; }
  /* compact status: just the LED, no text */
  .rec-status {
    flex: 0 0 auto;
    margin-left: 0;
    font-size: 0; /* hide text */
    gap: 0;
    padding: 0 6px;
  }
  .rec-status::before { width: 12px; height: 12px; }

  /* trimmer compact */
  .trim-controls input[type=range] { width: 100%; }
  .trim-controls label { width: 100%; }
  .assign-label { margin-left: 0; }

  /* hint — hide keyboard tip on touch devices */
  .hint { display: none; }
}

@media (max-width: 380px) {
  .pad .pad-key { font-size: 14px; }
  .pad .pad-name { font-size: 10px; }
  .pad-thumb { height: 14px; bottom: 22px; }
}

/* ---------- PiP WINDOW ---------- */
body.pip-body {
  background: var(--bg);
  margin: 0; padding: 0;
}
.pip-grid {
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
  padding: 10px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  height: 100vh;
}
.pip-grid .pad { aspect-ratio: 1/1; padding: 8px; border-radius: 9px; }
.pip-grid .pad .pad-name { font-size: 12px; }
.pip-grid .pad .pad-key { font-size: 11px; }
.pip-grid .pad .pad-meta { display:none; }
.pip-grid .pad::before { font-size: 9px; bottom: 5px; right: 7px; }