/* ---------- Bunker: roh, Beton, ein Signalton ----------
   Kein Glas, kein Pastell. Schwarz, Kalkweiß, Warnorange, Monospace in Stencil-Größe,
   Kanten hart, Raster leicht schief. Alles, was klingt, pulsiert. */

:root {
  --bk-bg: #0c0c0c;
  --bk-bg-2: #141414;
  --bk-ink: #e9e4d8;
  --bk-dim: #8a857a;
  --bk-line: rgba(233, 228, 216, 0.16);
  --bk-line-2: rgba(233, 228, 216, 0.08);
  --bk-signal: #ff4d1c;
  --bk-signal-dim: rgba(255, 77, 28, 0.35);
  --bk-mono: ui-monospace, "SF Mono", Menlo, "JetBrains Mono", Consolas, monospace;
}

/* Umschalten: Studio versteckt sich komplett, Bunker füllt die Seite */
html[data-mode="bunker"] { background: var(--bk-bg); color-scheme: dark; }
html[data-mode="bunker"] body { background: var(--bk-bg); color: var(--bk-ink); }
html[data-mode="bunker"] .bg,
html[data-mode="bunker"] .topbar,
html[data-mode="bunker"] .studio { display: none; }
html[data-mode="bunker"] main { display: block; padding: 0; max-width: none; margin: 0; }
html:not([data-mode="bunker"]) .bunker { display: none; }

/* Knopf in der Studio-Kopfzeile */
.mode-switch {
  margin-left: auto;
  padding: 5px 10px;
  border: 1px solid currentColor;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  font: 600 10px/1 var(--bk-mono);
  letter-spacing: 0.18em;
  cursor: pointer;
  box-shadow: none;
  transition: color 0.2s, background 0.2s;
}
.mode-switch:hover { color: #0c0c0c; background: #e9e4d8; border-color: #e9e4d8; transform: none; box-shadow: none; }
.mode-switch::after { display: none; }

/* ---------- Grundfläche ---------- */
.bunker {
  position: relative;
  min-height: 100vh;
  font-family: var(--bk-mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--bk-ink);
  background:
    radial-gradient(ellipse at 20% 0%, rgba(255, 255, 255, 0.04), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(255, 77, 28, 0.05), transparent 45%),
    var(--bk-bg);
  isolation: isolate;
  animation: none;
}
/* Beton: körniges Rauschen, das langsam driftet */
.bunker::before {
  content: "";
  position: fixed; inset: -50%;
  z-index: -1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.9 0 0 0 0 0.88 0 0 0 0 0.84 0 0 0 0.6 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  opacity: 0.11;
  mix-blend-mode: screen;
  animation: bk-grain 1.2s steps(4) infinite;
  pointer-events: none;
}
/* Scanlines, kaum sichtbar */
.bunker::after {
  content: "";
  position: fixed; inset: 0;
  z-index: -1;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.18) 0 1px, transparent 1px 3px);
  pointer-events: none;
}
@keyframes bk-grain {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 1%); }
  50% { transform: translate(1%, -2%); }
  75% { transform: translate(-1%, -1%); }
  100% { transform: translate(2%, 2%); }
}
@media (prefers-reduced-motion: reduce) { .bunker::before { animation: none; } }

.bunker button {
  font-family: inherit;
  border-radius: 0;
  box-shadow: none;
  transform: none;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.bunker button::after { display: none; }
.bunker button:hover { transform: none; box-shadow: none; }
.bunker input { border-radius: 0; box-shadow: none; }

/* ---------- Kopfzeile ---------- */
.bk-bar {
  position: sticky; top: 0; z-index: 5;
  display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center;
  padding: 10px 18px;
  background: rgba(12, 12, 12, 0.92);
  border-bottom: 1px solid var(--bk-line);
  backdrop-filter: blur(6px);
}
.bk-exit {
  padding: 6px 10px;
  border: 1px solid var(--bk-line);
  background: transparent;
  color: var(--bk-dim);
  font-size: 10px; letter-spacing: 0.16em;
  cursor: pointer;
}
.bk-exit:hover { color: var(--bk-bg); background: var(--bk-ink); border-color: var(--bk-ink); }
.bk-title {
  position: relative;
  font-size: 22px; font-weight: 800; letter-spacing: 0.3em;
  padding-right: 0.3em;
  text-shadow: 2px 0 0 var(--bk-signal-dim), -1px 0 0 rgba(233, 228, 216, 0.25);
}
.bk-title i {
  position: absolute; right: -6px; top: 4px;
  width: 6px; height: 6px;
  background: var(--bk-signal);
  box-shadow: 0 0 8px var(--bk-signal);
  opacity: 0.35;
}
.bunker[data-running] .bk-title i { animation: bk-blink 0.4545s steps(1) infinite; }
@keyframes bk-blink { 0%, 20% { opacity: 1; } 21%, 100% { opacity: 0.25; } }

.bk-seg { display: flex; border: 1px solid var(--bk-line); }
.bk-seg button {
  padding: 6px 12px;
  border: 0; border-right: 1px solid var(--bk-line);
  background: transparent;
  color: var(--bk-dim);
  font-size: 11px; letter-spacing: 0.14em;
  cursor: pointer;
}
.bk-seg button:last-child { border-right: 0; }
.bk-seg button:hover { color: var(--bk-ink); background: rgba(233, 228, 216, 0.06); }
.bk-seg button.on { color: var(--bk-bg); background: var(--bk-ink); }
.bk-seg.sm button { padding: 5px 9px; font-size: 10px; }
.bk-flash {
  margin-left: auto;
  color: var(--bk-signal);
  font-size: 11px; letter-spacing: 0.14em;
  min-height: 1.4em;
  max-width: 40ch; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}

/* ---------- Layout ---------- */
.bk-main {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr);
  gap: 0;
  min-height: calc(100vh - 52px);
}
.bk-left { border-right: 1px solid var(--bk-line); display: flex; flex-direction: column; }
.bk-right { display: flex; flex-direction: column; gap: 0; }
@media (max-width: 860px) {
  .bk-main { grid-template-columns: 1fr; }
  .bk-left { border-right: 0; border-bottom: 1px solid var(--bk-line); }
}

/* ---------- Morph-Feld ---------- */
.bk-field {
  position: relative;
  aspect-ratio: 1;
  max-height: min(78vh, 100vw);
  margin: 0 auto; width: 100%;
  background: var(--bk-bg-2);
  border-bottom: 1px solid var(--bk-line);
  touch-action: none;
  cursor: crosshair;
  overflow: hidden;
}
.bk-field canvas { display: block; width: 100%; height: 100%; }
.bk-corner {
  position: absolute;
  padding: 4px 7px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.16em;
  color: var(--bk-ink);
  background: rgba(12, 12, 12, 0.7);
  border: 1px solid var(--bk-line);
  pointer-events: none;
  text-transform: uppercase;
  max-width: 45%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}
.bk-corner::before { content: attr(class); display: none; }
.bk-corner.a { top: 8px; left: 8px; }
.bk-corner.b { top: 8px; right: 8px; }
.bk-corner.c { bottom: 8px; left: 8px; }
.bk-corner.d { bottom: 8px; right: 8px; }
.bk-rec-badge {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  padding: 6px 12px;
  font-size: 14px; font-weight: 800; letter-spacing: 0.4em;
  color: var(--bk-signal);
  border: 2px solid var(--bk-signal);
  animation: bk-blink 1s steps(1) infinite;
  pointer-events: none;
}
.bk-cornerbar {
  display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center;
  padding: 12px 16px;
}
.bk-cornerctl { display: flex; align-items: center; gap: 0; border: 1px solid var(--bk-line); }
.bk-cornerctl b {
  padding: 5px 9px;
  font-size: 12px; font-weight: 800;
  color: var(--bk-bg); background: var(--bk-ink);
}
.bk-cornerctl button {
  min-width: 30px; height: 28px; padding: 0 7px; font-size: 10px; letter-spacing: 0.1em;
  border: 0; border-left: 1px solid var(--bk-line);
  background: transparent; color: var(--bk-dim);
  font-size: 12px; cursor: pointer;
}
.bk-cornerctl button:hover { color: var(--bk-ink); background: rgba(233, 228, 216, 0.06); }

/* ---------- Rechte Seite ---------- */
.bk-scope {
  display: block; width: 100%; height: 150px;
  background: #0a0a0a;
  border-bottom: 1px solid var(--bk-line);
}
.bk-specimen {
  display: grid; grid-template-columns: auto 1fr auto; gap: 4px 14px; align-items: baseline;
  padding: 14px 18px;
  border-bottom: 1px solid var(--bk-line-2);
}
.bk-specimen strong { font-size: 15px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.bk-note { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; grid-row: 1 / 3; align-self: center; color: var(--bk-signal); }
.bk-drift { grid-column: 2; position: relative; font-size: 10px; letter-spacing: 0.14em; color: var(--bk-dim); padding-bottom: 6px; }
.bk-drift i { position: absolute; left: 0; bottom: 0; height: 2px; width: calc(var(--d, 0) * 100%); background: var(--bk-signal); transition: width 0.3s; }
.bk-lbl { font-size: 10px; letter-spacing: 0.2em; color: var(--bk-dim); min-width: 72px; }

.bk-row {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  padding: 10px 18px;
  border-bottom: 1px solid var(--bk-line-2);
}
.bk-row.save { margin-top: auto; border-bottom: 0; border-top: 1px solid var(--bk-line); padding: 14px 18px; }
.bk-hint { font-size: 10px; color: var(--bk-dim); letter-spacing: 0.06em; }

.bk-btn {
  padding: 7px 12px;
  border: 1px solid var(--bk-ink);
  background: transparent;
  color: var(--bk-ink);
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
  cursor: pointer;
}
.bk-btn:hover { background: var(--bk-ink); color: var(--bk-bg); }
.bk-btn:disabled { opacity: 0.3; cursor: default; }
.bk-btn:disabled:hover { background: transparent; color: var(--bk-ink); }
.bk-btn.ghost { border-color: var(--bk-line); color: var(--bk-dim); font-weight: 600; }
.bk-btn.ghost:hover { border-color: var(--bk-ink); color: var(--bk-ink); background: transparent; }
.bk-btn.primary { background: var(--bk-signal); border-color: var(--bk-signal); color: #0c0c0c; }
.bk-btn.primary:hover { background: var(--bk-ink); border-color: var(--bk-ink); }
.bk-btn.big { padding: 9px 16px; font-size: 12px; min-width: 96px; }
.bk-btn.big.on { background: var(--bk-signal); border-color: var(--bk-signal); color: #0c0c0c; }
.bk-btn.rec { border-color: var(--bk-signal-dim); color: var(--bk-signal); }
.bk-btn.rec:hover { background: var(--bk-signal-dim); }
.bk-btn.rec.on { background: var(--bk-signal); color: #0c0c0c; border-color: var(--bk-signal); animation: bk-armed 1s steps(1) infinite; }
@keyframes bk-armed { 50% { filter: brightness(0.7); } }

.bk-bpm { display: flex; align-items: center; gap: 6px; border: 1px solid var(--bk-line); }
.bk-bpm input {
  width: 58px; margin: 0; padding: 7px 8px;
  border: 0; background: transparent; color: var(--bk-ink);
  font: 700 12px var(--bk-mono); text-align: right;
  -moz-appearance: textfield;
}
.bk-bpm input::-webkit-inner-spin-button { opacity: 0.4; }
.bk-bpm input:focus { outline: none; box-shadow: none; }
.bk-bpm span { font-size: 10px; letter-spacing: 0.16em; color: var(--bk-dim); padding-right: 8px; }
.bk-input {
  flex: 1; min-width: 140px; margin: 0;
  padding: 8px 10px;
  border: 1px solid var(--bk-line);
  background: rgba(233, 228, 216, 0.04);
  color: var(--bk-ink);
  font: 12px var(--bk-mono);
}
.bk-input:focus { outline: none; border-color: var(--bk-ink); box-shadow: none; }
.bk-input::placeholder { color: var(--bk-dim); }

/* ---------- Pattern ---------- */
.bk-pattern {
  display: grid; grid-template-columns: repeat(16, 1fr); gap: 3px;
  padding: 12px 18px 14px;
  border-bottom: 1px solid var(--bk-line-2);
  touch-action: none;
}
.bk-step {
  position: relative;
  height: 54px;
  padding: 0;
  border: 1px solid var(--bk-line);
  background: rgba(233, 228, 216, 0.03);
  color: var(--bk-ink);
  cursor: ns-resize;
  overflow: hidden;
}
.bk-step.beat { border-color: rgba(233, 228, 216, 0.32); }
.bk-step i {
  position: absolute; left: 0; right: 0;
  bottom: 0; height: calc(18% + var(--n, 0.5) * 64%);
  background: rgba(233, 228, 216, 0.12);
  transition: height 0.08s;
}
.bk-step.on i { background: var(--bk-ink); }
.bk-step.on { border-color: var(--bk-ink); }
.bk-step span {
  position: absolute; top: 3px; left: 0; right: 0;
  font-size: 9px; font-weight: 700;
  color: var(--bk-signal);
  mix-blend-mode: difference;
}
.bk-step.head { box-shadow: inset 0 0 0 2px var(--bk-signal); }
.bk-step.head.on i { background: var(--bk-signal); }
@media (max-width: 560px) {
  .bk-pattern { grid-template-columns: repeat(8, 1fr); }
  .bk-step { height: 44px; }
}

.bk-keys {
  margin: 0; padding: 10px 18px 16px;
  font-size: 10px; color: var(--bk-dim); letter-spacing: 0.06em;
  display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: center;
}
.bk-keys kbd {
  font: 700 9px var(--bk-mono);
  padding: 2px 5px;
  border: 1px solid var(--bk-line);
  color: var(--bk-ink);
}
.bk-row.save .bk-input { min-width: 120px; }
.bk-row.save .bk-seg { align-self: stretch; }

/* ---------- Ecken laden ---------- */
.bk-cornerctl .bk-cornerkey {
  min-width: 0; padding: 0 9px;
  border-left: 0;
  font-size: 12px; font-weight: 800; letter-spacing: 0.04em;
  color: var(--bk-bg); background: var(--bk-ink);
}
.bk-cornerctl .bk-cornerkey:hover,
.bk-cornerctl.open .bk-cornerkey { color: #0c0c0c; background: var(--bk-signal); }
.bk-menu {
  margin: 0 16px 14px;
  border: 1px solid var(--bk-ink);
  background: #0a0a0a;
  box-shadow: 6px 6px 0 rgba(255, 77, 28, 0.25);
}
.bk-menu-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 10px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.2em;
  color: #0c0c0c; background: var(--bk-ink);
}
.bk-menu-head button { border: 0; background: transparent; color: inherit; font-size: 12px; cursor: pointer; padding: 0 4px; }
.bk-menu-list {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  max-height: 260px; overflow-y: auto;
}
.bk-menu-list button {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  padding: 9px 10px;
  border: 0; border-right: 1px solid var(--bk-line-2); border-bottom: 1px solid var(--bk-line-2);
  background: transparent; color: var(--bk-ink);
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-align: left;
  cursor: pointer;
}
.bk-menu-list button small {
  max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
  font-size: 9px; font-weight: 400; letter-spacing: 0.04em; color: var(--bk-dim); text-transform: lowercase;
}
.bk-menu-list button:hover { background: var(--bk-ink); color: #0c0c0c; }
.bk-menu-list button:hover small { color: #3a3833; }
.bk-menu-list button.from-studio { color: var(--bk-signal); }
.bk-menu-list button:disabled { opacity: 0.35; cursor: default; }
.bk-menu-list button:disabled:hover { background: transparent; color: var(--bk-signal); }

/* ---------- Probe: Knopf zurück ins Studio ---------- */
.bk-specimen { grid-template-columns: auto 1fr auto auto; }
.bk-specimen > .bk-lbl { grid-column: 1; grid-row: 1; }
.bk-specimen > strong { grid-column: 2; grid-row: 1; }
.bk-specimen > .bk-drift { grid-column: 2; grid-row: 2; }
.bk-specimen > .bk-note { grid-column: 3; }
.bk-tostudio { grid-column: 4; grid-row: 1 / 3; align-self: center; font-size: 10px; padding: 6px 9px; }

/* ---------- Makro-Regler ---------- */
.bk-knobs {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-around; gap: 6px 10px;
  padding: 10px 18px 12px;
  border-bottom: 1px solid var(--bk-line-2);
  background: repeating-linear-gradient(-45deg, transparent 0 7px, rgba(233, 228, 216, 0.018) 7px 8px);
}
.bk-knob {
  display: grid; grid-template-rows: auto auto auto; justify-items: center;
  position: relative; width: 96px;
  user-select: none;
}
.bk-knob svg { width: 76px; height: 76px; cursor: ns-resize; touch-action: none; overflow: visible; }
.bk-knob svg:focus { outline: none; }
.bk-knob svg:focus-visible .cap { stroke: var(--bk-signal); }
.bk-knob line { stroke: var(--bk-line); stroke-width: 1.2; }
.bk-knob line.mid { stroke: var(--bk-ink); stroke-width: 2; }
.bk-knob .track { fill: none; stroke: rgba(233, 228, 216, 0.1); stroke-width: 4; }
.bk-knob .val { fill: none; stroke: var(--bk-signal); stroke-width: 4; filter: drop-shadow(0 0 4px rgba(255, 77, 28, 0.6)); }
.bk-knob .cap { fill: #151515; stroke: var(--bk-line); stroke-width: 1; }
.bk-knob .ptr { stroke: var(--bk-ink); stroke-width: 3; stroke-linecap: square; }
.bk-knob-end { font-size: 9px; font-weight: 700; letter-spacing: 0.18em; color: var(--bk-dim); }
.bk-knob-end.hi { margin-bottom: -2px; }
.bk-knob-end.lo { margin-top: -4px; }
.bk-knob-val {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 10px; font-weight: 700; color: var(--bk-signal);
}

/* ---------- Mutations-Gruppen ---------- */
.bk-groups { display: flex; border: 1px solid var(--bk-line); margin-left: auto; }
.bk-groups button {
  padding: 5px 8px;
  border: 0; border-right: 1px solid var(--bk-line);
  background: transparent; color: var(--bk-dim);
  font-size: 9px; font-weight: 700; letter-spacing: 0.14em;
  text-decoration: line-through; text-decoration-color: var(--bk-signal);
  cursor: pointer;
}
.bk-groups button:last-child { border-right: 0; }
.bk-groups button.on { color: var(--bk-ink); text-decoration: none; background: rgba(233, 228, 216, 0.08); }
.bk-groups button:hover { color: var(--bk-ink); }
@media (max-width: 560px) {
  .bk-groups { margin-left: 0; }
  .bk-knob { width: 84px; }
  .bk-knob svg { width: 64px; height: 64px; }
}

/* ---------- Beat unter dem Feld ---------- */
.bk-beat {
  border-bottom: 1px solid var(--bk-line-2);
  padding: 10px 18px 14px;
  display: flex; flex-direction: column; gap: 4px;
}
.bk-beat-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 6px; }
.bk-beat-power {
  padding: 5px 10px;
  border: 1px solid var(--bk-line); background: transparent; color: var(--bk-dim);
  font: 800 10px var(--bk-mono); letter-spacing: 0.2em; cursor: pointer;
}
.bk-beat-power.on { color: #0c0c0c; background: var(--bk-signal); border-color: var(--bk-signal); }
.bk-beat.off .bk-lane { opacity: 0.35; }
.bk-lane { display: grid; grid-template-columns: auto 1fr; gap: 8px; align-items: stretch; }
.bk-lane-ctl { display: flex; border: 1px solid var(--bk-line); }
.bk-lane-ctl button {
  min-width: 24px; padding: 0 5px;
  border: 0; border-left: 1px solid var(--bk-line);
  background: transparent; color: var(--bk-dim);
  font: 700 10px var(--bk-mono); cursor: pointer;
}
.bk-lane-ctl button:hover:not(:disabled) { color: var(--bk-ink); background: rgba(233, 228, 216, 0.06); }
.bk-lane-ctl button:disabled { opacity: 0.25; cursor: default; }
.bk-lane-ctl button.on { color: #0c0c0c; background: var(--bk-signal); }
.bk-lane-ctl .bk-lane-name {
  border-left: 0; width: 78px; padding: 3px 7px; text-align: left;
  display: flex; flex-direction: column; justify-content: center;
  color: var(--bk-ink); font-size: 10px; letter-spacing: 0.16em;
}
.bk-lane-name small {
  font-size: 8px; font-weight: 600; letter-spacing: 0.04em; color: var(--bk-dim); text-transform: uppercase;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bk-lane.linked .bk-lane-ctl { border-color: var(--bk-signal); }
.bk-lane.linked .bk-lane-name small { color: var(--bk-signal); }
.bk-lane.muted .bk-lane-steps { opacity: 0.3; }
.bk-lane-steps { display: grid; grid-template-columns: repeat(16, 1fr); gap: 2px; touch-action: none; }
.bk-hit {
  position: relative; height: 26px; padding: 0;
  border: 1px solid var(--bk-line-2); background: rgba(233, 228, 216, 0.03);
  cursor: ns-resize; overflow: hidden;
}
.bk-hit:nth-child(8n + 5), .bk-hit:nth-child(8n + 6), .bk-hit:nth-child(8n + 7), .bk-hit:nth-child(8n + 8) { background: rgba(233, 228, 216, 0.06); }
.bk-hit.beat { border-color: var(--bk-line); }
.bk-hit i { position: absolute; left: 0; right: 0; bottom: 0; height: calc(var(--v, 0) * 100%); background: transparent; }
.bk-hit.on i { background: var(--bk-ink); }
.bk-hit.on { border-color: var(--bk-ink); }
.bk-hit.head { box-shadow: inset 0 0 0 2px var(--bk-signal); }
.bk-hit.head.on i { background: var(--bk-signal); }
.bk-lane.linked .bk-hit.on i { background: var(--bk-signal); }
.bk-hint.signal { color: var(--bk-signal); letter-spacing: 0.12em; }
.bk-withbeat.on { color: var(--bk-ink); border-color: var(--bk-ink); background: rgba(233, 228, 216, 0.08); }
@media (max-width: 560px) {
  .bk-lane { grid-template-columns: 1fr; gap: 3px; margin-bottom: 6px; }
  .bk-lane-ctl .bk-lane-name { flex: 1; width: auto; }
  .bk-hit { height: 30px; }
}