:root {
  --bg: #0b1020;
  --bg-2: #10192e;
  --panel: rgba(21, 31, 54, 0.92);
  --panel-2: rgba(28, 42, 72, 0.92);
  --line: rgba(166, 189, 255, 0.18);
  --text: #eaf0ff;
  --muted: #9aa8c7;
  --hot: #ff4c7a;
  --good: #42f5a7;
  --warn: #ffce5c;
  --blue: #7fb2ff;
  --violet: #aa8cff;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: radial-gradient(circle at 15% 10%, #17264d 0, transparent 36%), radial-gradient(circle at 95% 0%, #2a174d 0, transparent 34%), var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; overflow: hidden; }
button, select, input { font: inherit; }
button { border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(180deg, #263b65, #18253f); color: var(--text); padding: 9px 12px; cursor: pointer; box-shadow: inset 0 1px 0 rgba(255,255,255,0.08); transition: transform 120ms ease, border-color 120ms ease, background 120ms ease; }
button:hover { transform: translateY(-1px); border-color: rgba(127,178,255,0.7); }
button:active { transform: translateY(0); }
button.primary { background: linear-gradient(180deg, #1f75ff, #164aaf); }
button.danger { background: linear-gradient(180deg, #ff4977, #a71e42); }
button.active, .pad.active, .step.active { border-color: var(--good); box-shadow: 0 0 0 2px rgba(66,245,167,0.15), 0 0 24px rgba(66,245,167,0.18); }
input[type="range"] { width: 100%; accent-color: var(--blue); }
select, input[type="file"] { width: 100%; border: 1px solid var(--line); background: #0d1528; color: var(--text); border-radius: 12px; padding: 8px 10px; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 12px; }
label span { color: var(--text); font-size: 12px; }
.studio-shell { height: 100vh; width: 100vw; max-width: 1920px; max-height: 1080px; margin: 0 auto; display: grid; grid-template-rows: 92px 1fr 34px; gap: 10px; padding: 12px; }
.topbar { display: grid; grid-template-columns: 1fr auto 320px; gap: 14px; align-items: center; padding: 12px 14px; background: rgba(9, 15, 30, 0.88); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.brand-block { display: flex; gap: 14px; align-items: center; min-width: 0; }
.phase-pill { padding: 8px 10px; border-radius: 999px; color: #061423; background: linear-gradient(135deg, var(--good), #7fb2ff); font-weight: 900; letter-spacing: 0.08em; font-size: 12px; }
h1 { margin: 0; font-size: 28px; line-height: 1; letter-spacing: -0.03em; }
p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.transport { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; max-width: 780px; }
.status-strip { display: grid; gap: 4px; justify-items: end; font-size: 12px; color: var(--muted); }
.status-strip span { display: inline-flex; border: 1px solid var(--line); background: #0d1528; padding: 5px 8px; border-radius: 999px; }
.studio-grid { display: grid; grid-template-columns: 390px 430px minmax(520px, 1fr) 650px; grid-template-rows: 365px minmax(0, 1fr); gap: 10px; min-height: 0; }
.panel { background: linear-gradient(180deg, var(--panel), rgba(13, 21, 40, 0.94)); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; overflow: hidden; min-height: 0; box-shadow: var(--shadow); }
.panel-title-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; }
h2 { margin: 0; font-size: 18px; letter-spacing: -0.02em; }
.small-tag { color: var(--good); border: 1px solid rgba(66,245,167,0.35); background: rgba(66,245,167,0.08); border-radius: 999px; padding: 4px 8px; font-size: 11px; white-space: nowrap; }
.input-panel { grid-column: 1; grid-row: 1; }
.fx-panel { grid-column: 2; grid-row: 1; }
.drums-panel { grid-column: 3; grid-row: 1 / span 2; }
.sample-panel { grid-column: 4; grid-row: 1 / span 2; }
.instrument-panel { grid-column: 1 / span 2; grid-row: 2; }
.meter-box { margin: 12px 0; border-radius: 14px; background: #071021; border: 1px solid var(--line); padding: 8px; }
#meterCanvas, #waveCanvas { width: 100%; display: block; border-radius: 12px; background: linear-gradient(180deg, #081121, #070b14); border: 1px solid rgba(255,255,255,0.07); }
.meter-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; margin-top: 6px; }
.knob-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 12px; }
.knob-grid.compact { grid-template-columns: repeat(2, 1fr); }
.preset-row, .fx-preset-bar, .edit-buttons, .sample-actions, .controller-macros { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.preset-row button, .fx-preset-bar button, .edit-buttons button, .sample-actions button, .controller-macros button { padding: 7px 9px; font-size: 12px; }
.note { border-left: 3px solid var(--warn); padding-left: 9px; margin-top: 10px; font-size: 12px; }
.controller-strip, .instrument-controls, .editor-controls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 10px; }
.pad-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; height: 430px; overflow: auto; padding-right: 4px; }
.pad { min-height: 62px; display: grid; grid-template-rows: auto 1fr auto; align-items: center; text-align: left; padding: 8px; border-radius: 14px; background: linear-gradient(180deg, #1c2b49, #111b31); border: 1px solid rgba(127,178,255,0.22); position: relative; }
.pad.selected { outline: 2px solid var(--warn); outline-offset: -2px; }
.pad .key { color: var(--warn); font-size: 11px; font-weight: 800; }
.pad .name { font-size: 12px; font-weight: 800; line-height: 1.1; }
.pad .meta { color: var(--muted); font-size: 10px; }
.sequencer-block { margin-top: 12px; border: 1px solid var(--line); border-radius: 14px; padding: 9px; background: rgba(7, 12, 24, 0.48); }
.sequencer-header { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.sequencer-header strong { margin-right: auto; font-size: 13px; }
.sequencer-grid { display: grid; grid-template-columns: 70px repeat(16, 1fr); gap: 4px; }
.step-label { font-size: 10px; color: var(--muted); align-self: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.step { height: 20px; border: 1px solid rgba(127,178,255,0.18); border-radius: 6px; background: rgba(255,255,255,0.035); cursor: pointer; }
.step.playhead { border-color: var(--warn); box-shadow: 0 0 14px rgba(255,206,92,0.25); }
.sample-panel { display: grid; grid-template-rows: auto auto 155px 180px auto auto; gap: 9px; }
.sample-list { overflow: auto; border: 1px solid var(--line); border-radius: 14px; background: rgba(7, 12, 24, 0.48); padding: 8px; }
.sample-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; border: 1px solid rgba(127,178,255,0.12); background: rgba(255,255,255,0.035); border-radius: 11px; padding: 7px; margin-bottom: 6px; cursor: pointer; }
.sample-row.selected { border-color: var(--warn); background: rgba(255,206,92,0.08); }
.sample-row strong { font-size: 12px; }
.sample-row small { display: block; color: var(--muted); margin-top: 2px; }
.editor-controls { grid-template-columns: repeat(4, 1fr); }
.instrument-panel { display: grid; grid-template-rows: auto auto 1fr auto; gap: 10px; }
.instrument-controls { grid-template-columns: 1.2fr repeat(4, 1fr); }
.keyboard { display: flex; position: relative; height: 170px; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); background: #05070d; padding: 10px; }
.white-key { flex: 1; position: relative; border: 1px solid #0b1020; background: linear-gradient(180deg, #f6f8ff, #b9c2d8); color: #11182a; border-radius: 0 0 10px 10px; margin: 0 1px; display: flex; align-items: end; justify-content: center; padding-bottom: 10px; font-weight: 900; font-size: 12px; cursor: pointer; user-select: none; }
.white-key.active { background: linear-gradient(180deg, #b9fff0, #6ab7ff); }
.black-key { position: absolute; top: 10px; width: 34px; height: 96px; background: linear-gradient(180deg, #2a334b, #03050a); color: #fff; border: 1px solid rgba(255,255,255,0.16); border-radius: 0 0 8px 8px; z-index: 2; display: flex; align-items: end; justify-content: center; padding-bottom: 8px; font-size: 10px; font-weight: 800; cursor: pointer; user-select: none; }
.black-key.active { background: linear-gradient(180deg, #695cff, #0b1630); }
.footer-notes { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 0 6px; color: var(--muted); font-size: 12px; overflow: hidden; }
.footer-notes span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 1400px) {
  html, body { overflow: auto; }
  .studio-shell { height: auto; max-height: none; }
  .topbar { grid-template-columns: 1fr; }
  .transport { justify-content: flex-start; }
  .status-strip { justify-items: start; grid-auto-flow: column; }
  .studio-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .input-panel, .fx-panel, .drums-panel, .sample-panel, .instrument-panel { grid-column: auto; grid-row: auto; }
  .pad-grid { height: auto; max-height: 480px; }
}