@font-face { font-family: "Press Start 2P"; font-style: normal; font-weight: 400; font-display: swap; src: url("/press-start-2p.woff2") format("woff2"); }
@font-face { font-family: "Press Start 2P Fallback"; src: local("Courier New"); size-adjust: 166.64%; ascent-override: 60%; descent-override: 0%; line-gap-override: 0%; }

:root {
  --bg: #0a0a12;
  --surface: #12121d;
  --surface-2: #1a1a2a;
  --line: #28283c;
  --text: #e9e9f2;
  --dim: #9aa0b5;
  --cyan: #45f0ff;
  --magenta: #ff3d8b;
  --gold: #ffc857;
  --green: #41ff8b;
  --red: #ff5560;
  --pixel: "Press Start 2P", "Press Start 2P Fallback", "Courier New", monospace;
  --body: -apple-system, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --glow-cyan: 0 0 14px rgba(69, 240, 255, 0.35);
  --space-gutter: clamp(16px, 4vw, 48px);
  --cell: 40px;
  --accent: var(--cyan);
}

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(1200px 500px at 50% -10%, rgba(69, 240, 255, 0.05), transparent 70%), var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(69, 240, 255, 0.3); }
[hidden] { display: none !important; }
.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 200;
  background: var(--cyan);
  color: #05050d;
  padding: 10px 16px;
  border-radius: 6px;
  font-family: var(--mono);
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s var(--ease-out);
}
.skip-link:focus-visible { transform: translateY(60px); }
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px rgba(69, 240, 255, 0.15);
}
a { color: var(--cyan); }

.site-header {
  padding: 26px var(--space-gutter) 10px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.lab-link {
  align-self: flex-start;
  font-family: var(--pixel);
  font-size: 10px;
  color: var(--dim);
  text-decoration: none;
  padding: 6px 2px;
  transition: color 0.15s, text-shadow 0.15s;
}
.lab-link:hover { color: var(--cyan); text-shadow: var(--glow-cyan); }
.level {
  margin: 0;
  font-family: var(--pixel);
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--gold);
}
.wordmark {
  margin: 6px 0 4px;
  font-family: var(--pixel);
  font-size: clamp(22px, 4.5vw, 34px);
  letter-spacing: 3px;
  color: var(--text);
  text-shadow: 0 0 16px rgba(69, 240, 255, 0.55), 3px 3px 0 var(--magenta);
}
.tagline {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dim);
}
.cursor { color: var(--cyan); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

main {
  flex: 1;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 20px var(--space-gutter) 72px;
  display: grid;
  gap: 16px;
}
.intro-panel, .transport-panel, .pattern-panel, .channel-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
}
.intro-panel {
  display: grid;
  gap: 14px;
}
.panel-title {
  margin: 0;
  font-family: var(--pixel);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(69, 240, 255, 0.4);
}
.section-title {
  margin: 6px 0 0;
  font-family: var(--pixel);
  font-size: clamp(13px, 3vw, 18px);
  color: var(--text);
}
.preset-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.preset-card {
  min-height: 72px;
  padding: 12px;
  display: grid;
  gap: 5px;
  text-align: left;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.12s, box-shadow 0.12s, transform 0.12s var(--ease-out);
}
.preset-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(69, 240, 255, 0.2);
  transform: translateY(-1px);
}
.preset-title { font-family: var(--pixel); font-size: 10px; color: var(--gold); }
.preset-summary { font-size: 13px; color: var(--dim); }

.transport-panel {
  display: grid;
  gap: 14px;
}
.transport-main, .transport-actions, .pattern-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.meter-row {
  flex: 1 1 520px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.meter-row label {
  display: grid;
  grid-template-columns: 66px minmax(120px, 1fr) 48px;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--dim);
}
.meter-row output { color: var(--gold); text-align: right; }
input[type="range"] { width: 100%; accent-color: var(--cyan); }
select {
  min-height: 40px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--mono);
  padding: 8px 10px;
}
.status-line {
  margin: 0;
  min-height: 22px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 12px;
}

.btn, .chip, .mini-btn, .chain-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s var(--ease-out), border-color 0.12s, box-shadow 0.12s, color 0.12s;
}
.btn {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 10px 14px;
}
.btn:hover, .chip:hover, .mini-btn:hover, .chain-step:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(69, 240, 255, 0.22);
  transform: translateY(-1px);
}
.btn:active, .chip:active, .mini-btn:active, .chain-step:active { transform: translateY(1px); }
.btn:disabled, .chain-step:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-primary { background: var(--cyan); border-color: var(--cyan); color: #05050d; }
.btn-primary:hover { box-shadow: 0 0 18px rgba(69, 240, 255, 0.5); }
.btn-ghost { background: transparent; }
.btn-big { font-family: var(--pixel); font-size: 11px; padding: 14px 20px; }
.chip, .mini-btn, .chain-step {
  font-family: var(--mono);
  font-size: 12px;
  padding: 8px 12px;
}
.chip.is-active, .mini-btn.is-active, .chain-step.is-playing {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(69, 240, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(69, 240, 255, 0.28);
}
.pattern-tabs, .chain-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.select-field, .toggle-line {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
}
.toggle-line input { accent-color: var(--cyan); }
.chain-step {
  min-width: 48px;
  color: var(--gold);
  font-weight: 700;
}
.chain-step.is-muted { color: var(--dim); }

.sequencer {
  display: grid;
  gap: 16px;
}
.channel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.channel-meta {
  margin: 6px 0 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
}
.channel-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-start;
}
.volume-field {
  min-height: 40px;
  display: grid;
  grid-template-columns: auto 120px;
  align-items: center;
  gap: 8px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
}
.mini-btn { min-width: 56px; }

.roll-wrap, .drum-wrap {
  width: 100%;
  overflow: auto;
  display: grid;
  grid-template-columns: 58px max-content;
  gap: 6px;
  padding: 8px;
  background: #080811;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.pitch-labels {
  display: grid;
  grid-template-rows: repeat(var(--rows), var(--cell));
}
.pitch-labels span, .drum-labels span {
  min-height: var(--cell);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 7px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
}
.notes-grid {
  display: grid;
  grid-template-columns: repeat(16, var(--cell));
  grid-template-rows: repeat(var(--rows), var(--cell));
  gap: 3px;
}
.note-cell, .drum-cell {
  position: relative;
  width: var(--cell);
  height: var(--cell);
  min-width: 40px;
  min-height: 40px;
  border: 1px solid #30304a;
  background: #10101a;
  color: var(--dim);
  border-radius: 4px;
  cursor: pointer;
  overflow: visible;
}
.note-cell:nth-child(4n), .drum-cell:nth-child(4n) { border-right-color: rgba(255, 200, 87, 0.45); }
.note-cell:hover, .drum-cell:hover {
  border-color: var(--accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent), transparent 72%);
}
.note-cell.is-on, .drum-cell.is-on {
  z-index: 2;
  border-color: var(--accent);
  background: rgba(69, 240, 255, 0.06);
}
.note-cell.is-on::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  width: var(--span-width);
  max-width: 172px;
  height: calc(100% - 16px);
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent), transparent 30%), color-mix(in srgb, var(--accent), transparent 68%));
  border: 1px solid var(--accent);
  border-radius: 5px;
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent), transparent 65%);
  pointer-events: none;
}
.cell-dot {
  position: absolute;
  left: 15px;
  top: 15px;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--text);
  z-index: 2;
  pointer-events: none;
}
.len-handle {
  position: absolute;
  right: -4px;
  top: 9px;
  width: 10px;
  height: 22px;
  border-radius: 4px;
  background: var(--accent);
  z-index: 3;
  cursor: ew-resize;
}
.note-cell.is-playing, .drum-cell.is-playing {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
  box-shadow: 0 0 18px rgba(255, 200, 87, 0.38);
}
.note-cell.is-triggered, .drum-cell.is-triggered { animation: trigger-pop 0.18s var(--ease-out); }
@keyframes trigger-pop {
  50% { transform: scale(1.08); filter: brightness(1.35); }
}

.drum-wrap { grid-template-columns: 70px max-content; }
.drum-labels {
  display: grid;
  grid-template-rows: repeat(4, var(--cell));
}
.drums-grid {
  display: grid;
  grid-template-columns: repeat(16, var(--cell));
  grid-template-rows: repeat(4, var(--cell));
  gap: 3px;
}
.drum-cell.is-on::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent), transparent 55%);
}
.drum-cell:nth-child(n + 1):nth-child(-n + 16) { --accent: var(--cyan); }
.drum-cell:nth-child(n + 17):nth-child(-n + 32) { --accent: var(--magenta); }
.drum-cell:nth-child(n + 33):nth-child(-n + 48) { --accent: var(--gold); }
.drum-cell:nth-child(n + 49):nth-child(-n + 64) { --accent: var(--green); }

.toasts {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: min(440px, calc(100vw - 32px));
  pointer-events: none;
}
.toast {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  animation: toast-in 0.22s var(--ease-out) both;
}
.toast-info { border-left-color: var(--cyan); }
.toast-success { border-left-color: var(--green); }
.toast.out { opacity: 0; transform: translateY(6px); transition: opacity 0.25s, transform 0.25s; }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 22px var(--space-gutter);
  text-align: center;
  color: var(--dim);
  font-size: 13px;
}
.site-footer p { margin: 0; }
.site-footer p + p { margin-top: 8px; }
.site-footer a { color: var(--cyan); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-shadow: var(--glow-cyan); }
.privacy-note {
  margin: 0;
  color: var(--dim);
  font-size: 12.5px;
}

@media (min-width: 640px) {
  .preset-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .meter-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .meter-row label { grid-template-columns: 1fr; }
}

@media (min-width: 1024px) {
  .intro-panel {
    grid-template-columns: 220px 1fr;
    align-items: start;
  }
  .preset-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sequencer { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .drum-panel { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .wordmark { letter-spacing: 1px; }
  .transport-actions .btn { flex: 1 1 130px; }
  .meter-row label { grid-template-columns: 52px minmax(96px, 1fr) 42px; }
  .pattern-panel { align-items: stretch; }
  .pattern-tabs, .chain-slots { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .cursor { animation: none; }
}