feat: improve gain section

src/components/Button/Button.css

@@ -36,3 +36,34 @@
   border-color: var(--border-hairline);
   color: var(--text-muted);
 }
+
+.btn-ghost:hover:not(:disabled),
+.btn-toggle:hover:not(:disabled),
+.btn-outline:hover:not(:disabled) {
+  background: var(--bg-raised);
+  color: var(--text-primary);
+}
+
+/* Active toggle states */
+.btn-toggle.active-danger {
+  background: var(--accent-down);
+  border-color: var(--accent-down);
+  color: var(--bg-void);
+}
+
+.btn-toggle.active-warning {
+  background: var(--accent-connecting);
+  border-color: var(--accent-connecting);
+  color: var(--bg-void);
+}
+
+/* Optional: active state hover */
+.btn-toggle.active-danger:hover:not(:disabled) {
+  background: var(--accent-down);
+  border-color: var(--accent-down);
+}
+
+.btn-toggle.active-warning:hover:not(:disabled) {
+  background: var(--accent-connecting);
+  border-color: var(--accent-connecting);
+}

src/components/dsp408/ChannelGroup/ChannelGroup.css

@@ -1,16 +1,15 @@
 .channel-group {
+  /* container-type: inline-size; */
   position: relative;
-  height: calc(100% - var(--space-1) - var(--space-1));
+  flex: 1 1 0;
-  flex: 0 0 auto;
+  min-height: 0;
 
   display: flex;
-  align-items: flex-end;
 
-  border: 1px solid var(--border-hairline);
+  border: var(--border-width) solid var(--border-hairline);
   border-radius: var(--radius-md);
 
-  /* enough top padding to fully clear the label's own height, not just its border-overlap */
+  padding: 4cqh var(--space-3) 0;
-  padding: calc(1.2vh + var(--space-3)) var(--space-3) 0;
   margin-bottom: var(--space-1);
   margin-top: var(--space-1);
   box-sizing: border-box;
@@ -19,14 +18,14 @@
 
 .channel-group__label {
   position: absolute;
-  top: var(--space-2); /* sits inside the padded space, not straddling the border */
+  top: 1cqh;
   left: 50%;
-  transform: translateX(-50%); /* only horizontal centering now — no vertical overlap */
+  transform: translateX(-50%);
 
   padding: 0 var(--space-2);
 
   font-family: var(--font-ui);
-  font-size: var(--tab-close-font);
+  font-size: 2cqh;
   font-weight: var(--font-weight-semibold);
   color: var(--text-muted);
 
@@ -39,5 +38,5 @@
   flex-direction: row;
   align-items: stretch;
   height: 100%;
-  gap: var(--space-2);
+  gap: var(--space-1);
 }

src/components/dsp408/GainSection/GainSection.css

@@ -1,38 +1,3 @@
-.gain-section {
-  position: absolute;
-  left: 0;
-  right: 0;
-  bottom: 0;
-
-  height: var(--dsp-control-heigth);
-
-  display: flex;
-  align-items: flex-end;
-  justify-content: center;
-
-  box-sizing: border-box;
-  padding: 0 var(--space-4);
-
-  background: var(--bg-panel);
-
-  z-index: 20;
-
-  border-top: var(--border-width) solid var(--border-hairline);
-}
-
-.gain-panels {
-  height: 100%;
-  display: flex;
-  gap: var(--space-4);
-  overflow-x: auto;
-}
-
-.gain-panel-frame {
-  flex: 0 0 auto;
-  height: calc(100% - 2 * var(--space-1));
-  margin: var(--space-1) 0;
-}
-
 .gain-panel-viewport {
   position: relative;
   aspect-ratio: 90 / 400;
@@ -56,10 +21,11 @@
   box-sizing: border-box;
   gap: var(--space-2);
   background: var(--bg-void);
+  padding-bottom: var(--space-2);
 }
 
 .gain-panel__title {
-  flex: 0 0 auto; /* NEW: never let this shrink */
+  flex: 0 0 auto;
   width: 100%;
   text-align: center;
   font-family: var(--font-ui);
@@ -70,8 +36,34 @@
   border-bottom: var(--border-width) solid var(--border-hairline);
 }
 
-.channel-group__label {
+/* Container */
-  font-size: calc(var(--tab-close-font) * var(--panel-scale, 1));
+
+.gain-section {
+  position: absolute;
+  left: 0;
+  right: 0;
+  bottom: 0;
+
+  height: var(--dsp-control-heigth);
+
+  display: flex;
+  align-items: flex-end;
+  justify-content: center;
+
+  box-sizing: border-box;
+
+  background: var(--bg-panel);
+
+  z-index: 20;
+
+  border-top: var(--border-width) solid var(--border-hairline);
+}
+
+.gain-panels {
+  height: 100%;
+  display: flex;
+  gap: var(--space-2);
+  overflow-x: auto;
 }
 
 /* --- graph strip, sits above the gain section ---

src/components/dsp408/GainSection/GainSection.tsx

@@ -10,29 +10,6 @@ import './GainSection.css';
 const PANEL_DESIGN_WIDTH = 90;
 const PANEL_DESIGN_HEIGHT = 400;
 
-// function ChannelGroupScaled({ title, children }: { title: string; children: React.ReactNode }) {
-//   const wrapperRef = useRef<HTMLDivElement>(null);
-//   const [scale, setScale] = useState(1);
-
-//   useEffect(() => {
-//     const el = wrapperRef.current;
-//     if (!el) return;
-//     const observer = new ResizeObserver((entries) => {
-//       const { height } = entries[0].contentRect;
-//       if (height === 0) return;
-//       setScale(height / PANEL_DESIGN_HEIGHT); // height is the only free axis here
-//     });
-//     observer.observe(el);
-//     return () => observer.disconnect();
-//   }, []);
-
-//   return (
-//     <div ref={wrapperRef} style={{ height: '100%', '--panel-scale': scale } as React.CSSProperties}>
-//       <ChannelGroup title={title}>{children}</ChannelGroup>
-//     </div>
-//   );
-// }
-
 function GainPanel({
   dsp,
   channel,
@@ -101,16 +78,17 @@ function GainPanel({
           unit=" dB"
           value={gain}
           onChange={(value) => setGain(channel, value)}
-          style={{ width: 70, height: 260, flex: '0 0 auto' }} // pin to design size, disable its own auto-shrink
+          style={{ width: 70, height: 250, flex: '0 0 auto' }} // pin to design size, disable its own auto-shrink
         />
 
-        <Button variant="toggle" className={muted ? 'active-danger' : ''} onClick={toggleMute}>
+        <Button variant="toggle" className={muted ? 'active-danger' : ''} onClick={toggleMute} style={{ width: '70px', flex: '1 1 auto', minHeight: 0 }}>
           {muted ? 'Muted' : 'Mute '}
         </Button>
         <Button
           variant="toggle"
           className={inverted ? 'active-warning' : ''}
           onClick={toggleInverse}
+          style={{ width: '70px', flex: '1 1 auto', minHeight: 0 }}
         >
           {inverted ? 'Inverted' : 'Invert'}
         </Button>

src/components/dsp408/GateSection/GateSection.tsx

@@ -1,35 +1,31 @@
-// import VerticalSlider from '../Slider/VerticalSlider';
+import VerticalSlider from '../Slider/VerticalSlider';
-// import { invoke } from '@tauri-apps/api/core';
+import { invoke } from '@tauri-apps/api/core';
-// import { InputChannel, Channel, OutputChannel } from '../../../types/dsp408State';
+import { InputChannel, Channel, OutputChannel } from '../../../types/dsp408State';
-// import { DSP } from '../../../types/types';
+import { DSP } from '../../../types/types';
-// import { NotificationType } from '../../../types/types';
+import { NotificationType } from '../../../types/types';
 
-// import ChannelGroup from '../ChannelGroup/ChannelGroup';
+import ChannelGroup from '../ChannelGroup/ChannelGroup';
-// import './GateSection.css';
+import './GateSection.css';
 
-// function GateSection({
+function GateSection({
-//   dsp,
+  dsp,
-//   notify,
+}: {
-// }: {
+  dsp: DSP;
-//   dsp: DSP;
+}) {
-//   notify: (message: string, type?: NotificationType, dspName?: string) => void;
+  return (
-// }) {
+    <div className="rerere">
-//   console.log(dsp, notify);
+      <VerticalSlider
-//   return (
+        min={-60}
-//     <div className="rerere">
+        max={12}
-//       <VerticalSlider
+        step={0.5}
-//         min={-60}
+        switchStepValue={-10}
-//         max={12}
+        switchStep={0.1}
-//         step={0.5}
+        unit=" dB"
-//         switchStepValue={-10}
+        value={0}
-//         switchStep={0.1}
+        style={{ width: 70, height: 250, flex: '0 0 auto' }}
-//         unit=" dB"
+      />
-//         onChange={(_f: number) => {
+    </div>
-//           return;
+  );
-//         }}
+}
-//       />
-//     </div>
-//   );
-// }
 
-// export default GateSection;
+export default GateSection;

src/components/dsp408/LinearGraph/LinearGraph.css

@@ -70,10 +70,6 @@
   border-bottom: var(--border-width) solid var(--border-hairline);
 }
 
-.channel-group__label {
-  font-size: calc(var(--tab-close-font) * var(--panel-scale, 1));
-}
-
 /* --- graph strip, sits above the gain section ---
    Requires the shared parent (whatever renders <GainSection />) to be
    position: relative — it already must be, for .gain-section's absolute

src/components/dsp408/Slider/VerticalSlider.css

@@ -1,27 +1,29 @@
 .gauge-viewport {
-  position: relative;
+  container-type: size;
+  container-name: gauge;
 
+  position: relative;
   flex: 1 1 0;
   min-height: 0;
   width: auto;
-  aspect-ratio: 70 / 260;
-
   overflow: hidden;
 }
 
 .gauge-container {
+  --s: min(calc(100cqw / 70), calc(100cqh / 240));
+
   position: absolute;
-  top: 50%;
+  bottom: 0;
   left: 50%;
 
-  width: 70px;
+  width: calc(70 * var(--s));
-  height: 240px;
+  height: calc(240 * var(--s));
 
   display: flex;
   flex-direction: column;
   align-items: center;
 
-  transform-origin: center center;
+  transform: translateX(-50%);
 
   box-sizing: border-box;
 }
@@ -29,130 +31,100 @@
 .gauge-track {
   position: relative;
 
-  width: 70px;
+  width: calc(70 * var(--s));
-  height: 210px;
+  height: calc(210 * var(--s));
 
   display: flex;
-
   justify-content: center;
   align-items: center;
 
-  margin-bottom: 8px;
+  margin-bottom: calc(8 * var(--s));
 }
 
 .slider {
   position: relative;
 
-  width: 24px;
+  width: calc(24 * var(--s));
   height: 100%;
 
   cursor: pointer;
-
   touch-action: none;
   user-select: none;
 }
 
 .track {
   position: absolute;
-
   left: 50%;
   top: 0;
 
   transform: translateX(-50%);
 
-  width: 2px;
+  width: calc(2 * var(--s));
-
   height: 100%;
 
   background: var(--border-hairline);
-
   border-radius: var(--radius-sm);
 }
 
 .thumb {
   position: absolute;
-
   left: 50%;
 
-  width: 18px;
+  width: calc(18 * var(--s));
-
   aspect-ratio: 1;
 
   transform: translate(-50%, 50%);
 
   border-radius: 50%;
-
   background: var(--bg-panel);
-
   border: var(--border-width-active) solid var(--accent-brand);
-
   box-shadow: var(--shadow-sm);
 }
 
 .ticks {
   position: absolute;
-
   top: 0;
-
   height: 100%;
 
   display: flex;
-
   flex-direction: column;
-
   justify-content: space-between;
 
   pointer-events: none;
 }
 
 .ticks span {
-  width: 10px;
+  width: calc(10 * var(--s));
-
+  height: calc(2 * var(--s));
-  height: 2px;
 
   background: var(--border-hairline);
-
   border-radius: var(--radius-sm);
 }
 
-.left {
+.left { left: calc(8 * var(--s)); }
-  left: 8px;
+.right { right: calc(8 * var(--s)); }
-}
-
-.right {
-  right: 8px;
-}
 
 .value {
   width: 100%;
 
-  margin-top: 4px;
+  margin-top: calc(4 * var(--s));
-
+  padding: calc(2 * var(--s)) calc(4 * var(--s));
-  padding-top: 2px;
-  padding-bottom: 2px;
-  padding-right: 4px;
-  padding-left: 4px;
 
   box-sizing: border-box;
 
   display: flex;
-
   justify-content: center;
   align-items: center;
-
   gap: 0.25em;
 
   white-space: nowrap;
 
   color: var(--accent-brand);
-
   font-size: var(--font-xxs);
-
   font-family: var(--font-mono);
   font-weight: var(--font-weight-medium);
 
   box-shadow: var(--shadow-sm);
-
   border-radius: var(--radius-md);
 
   overflow: hidden;
@@ -161,15 +133,12 @@
 .value input {
   width: auto;
   min-width: 0;
-
   height: 1.4em;
 
   text-align: center;
-
   background: transparent;
 
   border: var(--border-width) solid var(--border-hairline);
-
   border-radius: var(--radius-sm);
 
   appearance: none;
@@ -178,10 +147,7 @@
 .value input,
 .value-unit {
   font-size: inherit;
-
   line-height: 1;
-
   font-family: inherit;
-
   color: inherit;
 }

src/components/dsp408/Slider/VerticalSlider.tsx

@@ -1,10 +1,7 @@
-import { useMemo, useRef, useState, useEffect } from 'react';
+import { useMemo, useRef, useState } from 'react';
 
 import './VerticalSlider.css';
 
-const DESIGN_WIDTH = 70;
-const DESIGN_HEIGHT = 240;
-
 type VerticalSliderProps = {
   min: number;
   max: number;
@@ -50,32 +47,6 @@ export default function VerticalSlider({
   const thumbRef = useRef<HTMLDivElement>(null);
   const keyboardEditing = useRef(false);
 
-  const viewportRef = useRef<HTMLDivElement>(null);
-  const [scale, setScale] = useState(1);
-
-  useEffect(() => {
-    const el = viewportRef.current;
-    if (!el) return;
-
-    const observer = new ResizeObserver((entries) => {
-      const entry = entries[0];
-      const { width, height } = entry.contentRect;
-      if (width === 0 || height === 0) return;
-      setScale(Math.min(width / DESIGN_WIDTH, height / DESIGN_HEIGHT));
-    });
-
-    observer.observe(el);
-    return () => observer.disconnect();
-  }, []);
-
-  useEffect(() => {
-    if (dragging.current) return;
-    if (keyboardEditing.current) return;
-
-    setDisplayValue(value);
-    dragValue.current = value;
-  }, [value]);
-
   function getStep(value: number) {
     if (switchStepValue !== undefined && switchStep !== undefined && value >= switchStepValue) {
       return switchStep;
@@ -218,11 +189,9 @@ export default function VerticalSlider({
     <div
       className={['gauge-viewport', className].filter(Boolean).join(' ')}
       style={style}
-      ref={viewportRef}
     >
       <div
         className="gauge-container"
-        style={{ transform: `translate(-50%, -50%) scale(${scale})` }}
       >
         <div className="gauge-track">
           <div className="ticks left">

src/pages/DspPage/DspPage.tsx

@@ -6,7 +6,7 @@ import ConnectionPanel from '../../components/dsp408/ConnectionSection/Connectio
 import GainSection from '../../components/dsp408/GainSection/GainSection';
 import { DSP408Device } from '../../hooks/useDSP408';
 import './DspPage.css';
-// import GateSection from '../../components/dsp408/GateSection/GateSection';
+import GateSection from '../../components/dsp408/GateSection/GateSection';
 import LoadingOverlay from '../../components/LoadingOverlay/LoadingOverlay';
 import { InputChannel, OutputChannel } from '../../types/dsp408State';
 
@@ -147,8 +147,6 @@ function DSPPage({ dsp, dsp408 }: { dsp: DSP; dsp408: DSP408Device }) {
         })),
       ];
 
-  // const { recallPreset, setCurrentPresetName } = useDSPPresets(dsp, setDsps, notify);
-
   const onAppChange = async (id: string) => {
     const presetIndex = presets.findIndex((preset) => preset.id === id);
     if (presetIndex === -1) return;
@@ -178,8 +176,8 @@ function DSPPage({ dsp, dsp408 }: { dsp: DSP; dsp408: DSP408Device }) {
           />
         );
 
-      // case 'gate':
+      case 'gate':
-      //   return <GateSection dsp={dsp} notify={notify} />;
+        return <GateSection dsp={dsp} />;
 
       default:
         return null;