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sandbox/studio: metallic ring on knobs, top/bottom bars, recessed code

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Three changes following the reference more closely:

1. Knobs now have a metallic outer bezel (chrome ring): vertical
   gradient running silver at the top → dark at the bottom, with a
   thin highlight on the upper crescent. The dark dial sits inside
   it with a slight inner shadow showing depth. Size bumped to 56px
   so the bezel is visible.

2. Layout split into two stacks:
   - left-stack: top-bar / screen / bottom-bar (vertical strip)
   - right-stack: knobs / seq

3. Top bar: STOP+RUN as a tight pair (no gap), buttons stretch to
   the bar's full height. Bottom bar matches the top bar visually
   and shows a "● RUNNING_" label with the pulsing amber dot, no
   longer inside the code area.

4. Code area is now *recessed* into the rack — no separate bordered
   panel. Inset shadows + slightly darker background simulate a
   cutout / screen window in the metal frame.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Jose Luis Montañes
2026-05-01 18:01:24 +02:00
parent 64620ef75a
commit baca3c2df1
1 changed files with 127 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files

202
web/sandbox/studio.html
View File

@@ -59,12 +59,13 @@
inset 0 0 0 1px rgba(232, 160, 80, 0.04), inset 0 0 0 1px rgba(232, 160, 80, 0.04),
0 1px 0 rgba(255, 220, 180, 0.02), 0 1px 0 rgba(255, 220, 180, 0.02),
0 8px 24px rgba(0, 0, 0, 0.55); 0 8px 24px rgba(0, 0, 0, 0.55);
padding: 12px; padding: 14px;
display: grid; display: grid;
grid-template-columns: 1fr 220px; grid-template-columns: 1fr 220px;
grid-template-rows: auto 1fr; gap: 12px;
gap: 10px;
} }
.left-stack { display: grid; grid-template-rows: auto 1fr auto; gap: 8px; min-width: 0; }
.right-stack { display: grid; grid-template-rows: auto auto; gap: 8px; min-width: 0; }
/* corner screws — only on the outermost frame */ /* corner screws — only on the outermost frame */
.screw { .screw {
@@ -93,33 +94,46 @@
/* ===================================================================== */ /* ===================================================================== */
/* Header bar inside the hardware unit */ /* Header bar inside the hardware unit */
/* ===================================================================== */ /* ===================================================================== */
.hw-header { .top-bar, .bottom-bar {
grid-column: 1 / -1; height: 30px;
display: flex; display: flex;
align-items: center; align-items: stretch;
gap: 14px; gap: 10px;
padding: 4px 26px; padding: 3px 12px;
height: 36px;
color: var(--hw-fg-dim); color: var(--hw-fg-dim);
font-size: 10px; font-size: 10px;
letter-spacing: 0.08em; letter-spacing: 0.08em;
background:
linear-gradient(180deg, #1f1d1a 0%, #14130f 100%);
border: 1px solid var(--hw-edge);
border-radius: 4px;
box-shadow:
inset 0 1px 0 rgba(255,220,180,0.05),
inset 0 -1px 0 rgba(0,0,0,0.6);
} }
.top-bar > *, .bottom-bar > * { align-self: center; }
.top-bar .btn-group { align-self: stretch; }
.btn-group { display: flex; align-items: stretch; height: 100%; }
.btn-group .hw-btn { border-radius: 0; border-right-width: 0; }
.btn-group .hw-btn:first-child { border-radius: 3px 0 0 3px; }
.btn-group .hw-btn:last-child { border-radius: 0 3px 3px 0; border-right-width: 1px; }
.hw-btn { .hw-btn {
background: linear-gradient(180deg, #2c261f 0%, #14110d 100%); background: linear-gradient(180deg, #2c261f 0%, #14110d 100%);
border: 1px solid var(--hw-edge); border: 1px solid var(--hw-edge);
border-radius: 12px;
color: var(--hw-fg-hi); color: var(--hw-fg-hi);
padding: 4px 12px; padding: 0 14px;
font-family: inherit; font-family: inherit;
font-size: 10px; font-size: 10px;
cursor: pointer; cursor: pointer;
letter-spacing: 0.1em; letter-spacing: 0.12em;
text-transform: uppercase; text-transform: uppercase;
box-shadow: box-shadow:
inset 0 1px 0 rgba(255,220,180,0.08), inset 0 1px 0 rgba(255,220,180,0.10),
inset 0 -1px 0 rgba(0,0,0,0.55), inset 0 -1px 0 rgba(0,0,0,0.55),
0 1px 1px rgba(0,0,0,0.4); 0 1px 1px rgba(0,0,0,0.4);
display: inline-flex; align-items: center; gap: 5px; display: inline-flex; align-items: center; gap: 6px;
transition: color 80ms; transition: color 80ms;
} }
.hw-btn:hover { color: var(--hw-amber); } .hw-btn:hover { color: var(--hw-amber); }
@@ -148,16 +162,19 @@
/* ===================================================================== */ /* ===================================================================== */
/* Code "screen" — left, big */ /* Code "screen" — left, big */
/* ===================================================================== */ /* ===================================================================== */
/* the code area is *recessed* into the rack — no separate bordered panel.
Achieved with deep inset shadow + slightly darker bg than the rack. */
.screen { .screen {
background: var(--hw-screen); background: var(--hw-screen);
border: 1px solid var(--hw-edge); border-radius: 4px;
border-radius: 6px; padding: 12px 18px;
padding: 14px 18px 10px;
box-shadow: box-shadow:
inset 0 0 0 1px rgba(232,160,80,0.04), inset 0 2px 4px rgba(0,0,0,0.7),
inset 0 1px 8px rgba(0,0,0,0.5); inset 0 -1px 0 rgba(255,220,180,0.03),
inset 0 0 0 1px var(--hw-edge),
inset 0 6px 14px rgba(0,0,0,0.5);
display: flex; flex-direction: column; display: flex; flex-direction: column;
min-height: 320px; min-height: 300px;
overflow: hidden; overflow: hidden;
} }
.glass { .glass {
@@ -174,12 +191,19 @@
.syn-op { color: var(--hw-syn-op); } .syn-op { color: var(--hw-syn-op); }
.syn-arrow { color: var(--hw-amber); } .syn-arrow { color: var(--hw-amber); }
.status-line { .running-label {
margin-top: 8px;
color: var(--hw-amber); color: var(--hw-amber);
font-size: 11px; font-size: 10px;
letter-spacing: 0.16em; letter-spacing: 0.18em;
text-shadow: 0 0 6px var(--hw-amber-glow); text-shadow: 0 0 5px var(--hw-amber-glow);
}
.running-dot {
display: inline-block;
width: 6px; height: 6px; border-radius: 50%;
background: var(--hw-amber);
box-shadow: 0 0 5px var(--hw-amber-glow);
margin-right: 6px; vertical-align: middle;
animation: led-pulse 2.2s ease-in-out infinite;
} }
.blink { animation: blink 1.1s step-end infinite; } .blink { animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } } @keyframes blink { 50% { opacity: 0; } }
@@ -187,10 +211,6 @@
/* ===================================================================== */ /* ===================================================================== */
/* Right column */ /* Right column */
/* ===================================================================== */ /* ===================================================================== */
.right-col {
display: flex; flex-direction: column; gap: 10px;
min-width: 0;
}
/* knobs sub-panel inside hardware */ /* knobs sub-panel inside hardware */
.knobs { .knobs {
@@ -284,24 +304,32 @@
<span class="screw bl"></span> <span class="screw bl"></span>
<span class="screw br"></span> <span class="screw br"></span>
<!-- header bar, full width --> <!-- left stack: top-bar / screen / bottom-bar -->
<div class="hw-header"> <div class="left-stack">
<button class="hw-btn"><span class="led-red"></span>STOP</button>
<button class="hw-btn"><span class="ico-play"></span>RUN</button> <div class="top-bar">
<span>48 KHZ</span> <div class="btn-group">
<span>TAPS: <span class="num">14</span></span> <button class="hw-btn"><span class="led-red"></span>STOP</button>
<span>CPU: <span class="num">9%</span></span> <button class="hw-btn"><span class="ico-play"></span>RUN</button>
<span class="right">CODE · SINTH</span> </div>
<span>48 KHZ</span>
<span>TAPS: <span class="num">14</span></span>
<span>CPU: <span class="num">9%</span></span>
<span class="right">CODE · SINTH</span>
</div>
<section class="screen">
<div class="glass" id="glass"></div>
</section>
<div class="bottom-bar">
<span class="running-label"><span class="running-dot"></span>RUNNING<span class="blink">_</span></span>
</div>
</div> </div>
<!-- code area -->
<section class="screen">
<div class="glass" id="glass"></div>
<div class="status-line">&gt; RUNNING<span class="blink">_</span></div>
</section>
<!-- right column with knobs + seq --> <!-- right column with knobs + seq -->
<div class="right-col"> <div class="right-stack">
<section class="knobs"> <section class="knobs">
<div class="knob-cell"> <div class="knob-cell">
@@ -406,7 +434,7 @@ for (const line of PATCH) {
// knob — restrained: dark gradient + thin amber arc + single tickmark. // knob — restrained: dark gradient + thin amber arc + single tickmark.
// No knurled ridges, no brushed metal. Closer to the reference image. // No knurled ridges, no brushed metal. Closer to the reference image.
// =========================================================================== // ===========================================================================
const KNOB_SIZE = 50; const KNOB_SIZE = 56;
function setupCanvas(canvas, size) { function setupCanvas(canvas, size) {
const dpr = window.devicePixelRatio || 1; const dpr = window.devicePixelRatio || 1;
canvas.style.width = size + 'px'; canvas.style.width = size + 'px';
@@ -420,70 +448,94 @@ function setupCanvas(canvas, size) {
function drawKnob(ctx, size, norm) { function drawKnob(ctx, size, norm) {
const cx = size / 2, cy = size / 2 + 1; const cx = size / 2, cy = size / 2 + 1;
const dialR = size * 0.40; const outerR = size * 0.46; // chrome-bezel outer edge
const ringW = size * 0.075; // metallic ring width (~4px @ 56)
const dialR = outerR - ringW; // dark dial radius
const ringMid = (outerR + dialR) / 2;
ctx.clearRect(0, 0, size, size); ctx.clearRect(0, 0, size, size);
// soft outer drop shadow under the knob (sits ON the panel) // (1) drop shadow under the whole knob — gives it weight on the panel
ctx.save(); ctx.save();
ctx.shadowColor = 'rgba(0,0,0,0.6)'; ctx.shadowColor = 'rgba(0,0,0,0.7)';
ctx.shadowBlur = 6; ctx.shadowBlur = 6;
ctx.shadowOffsetY = 2; ctx.shadowOffsetY = 2;
ctx.fillStyle = '#000'; ctx.fillStyle = '#000';
ctx.beginPath(); ctx.beginPath();
ctx.arc(cx, cy, dialR, 0, Math.PI * 2); ctx.arc(cx, cy, outerR + 0.5, 0, Math.PI * 2);
ctx.fill(); ctx.fill();
ctx.restore(); ctx.restore();
// value arc — amber, only the active portion is drawn (no background track) // (2) amber value arc OUTSIDE the bezel (faint track + bright active portion)
const startA = Math.PI * 0.78, endA = Math.PI * 2.22; const startA = Math.PI * 0.78, endA = Math.PI * 2.22;
ctx.lineCap = 'round'; ctx.lineCap = 'round';
ctx.lineWidth = 1.6; ctx.lineWidth = 1.5;
ctx.strokeStyle = 'rgba(232,160,80,0.10)'; // very faint full track ctx.strokeStyle = 'rgba(232,160,80,0.10)';
ctx.beginPath(); ctx.beginPath();
ctx.arc(cx, cy, dialR + 2.5, startA, endA); ctx.arc(cx, cy, outerR + 3, startA, endA);
ctx.stroke(); ctx.stroke();
ctx.strokeStyle = '#e8a050'; ctx.strokeStyle = '#e8a050';
ctx.shadowBlur = 3; ctx.shadowBlur = 3;
ctx.shadowColor = 'rgba(232,160,80,0.5)'; ctx.shadowColor = 'rgba(232,160,80,0.55)';
ctx.beginPath(); ctx.beginPath();
ctx.arc(cx, cy, dialR + 2.5, startA, startA + norm * (endA - startA)); ctx.arc(cx, cy, outerR + 3, startA, startA + norm * (endA - startA));
ctx.stroke(); ctx.stroke();
ctx.shadowBlur = 0; ctx.shadowBlur = 0;
// dial body — neutral charcoal black, NOT warm brown // (3) METALLIC RING — vertical gradient (light top, dark bottom).
const grad = ctx.createRadialGradient( // This is the "chrome bezel" the reference shows.
const ringGrad = ctx.createLinearGradient(0, cy - outerR, 0, cy + outerR);
ringGrad.addColorStop(0, '#c4beb2');
ringGrad.addColorStop(0.30, '#807a72');
ringGrad.addColorStop(0.55, '#3a3631');
ringGrad.addColorStop(0.85, '#1c1a17');
ringGrad.addColorStop(1, '#0a0908');
ctx.strokeStyle = ringGrad;
ctx.lineWidth = ringW;
ctx.beginPath();
ctx.arc(cx, cy, ringMid, 0, Math.PI * 2);
ctx.stroke();
// (4) thin bright highlight on the very top of the bezel
ctx.strokeStyle = 'rgba(255,255,255,0.22)';
ctx.lineWidth = 0.6;
ctx.beginPath();
ctx.arc(cx, cy, outerR - 0.3, Math.PI * 1.18, Math.PI * 1.82);
ctx.stroke();
// (5) inner shadow where the dial sinks below the bezel
ctx.strokeStyle = 'rgba(0,0,0,0.7)';
ctx.lineWidth = 0.8;
ctx.beginPath();
ctx.arc(cx, cy, dialR + 0.4, 0, Math.PI * 2);
ctx.stroke();
// (6) dial body — pure charcoal/black, NO warm tint
const dial = ctx.createRadialGradient(
cx - dialR * 0.35, cy - dialR * 0.5, 0, cx - dialR * 0.35, cy - dialR * 0.5, 0,
cx, cy, dialR * 1.1 cx, cy, dialR * 1.1
); );
grad.addColorStop(0, '#2a2a28'); // top-left highlight dial.addColorStop(0, '#2a2a28');
grad.addColorStop(0.5, '#141312'); dial.addColorStop(0.5, '#141312');
grad.addColorStop(1, '#040404'); dial.addColorStop(1, '#040404');
ctx.fillStyle = grad; ctx.fillStyle = dial;
ctx.beginPath(); ctx.beginPath();
ctx.arc(cx, cy, dialR, 0, Math.PI * 2); ctx.arc(cx, cy, dialR, 0, Math.PI * 2);
ctx.fill(); ctx.fill();
// outer dark ring (separates dial from panel) // (7) faint glossy crescent on the dial's upper half
ctx.strokeStyle = 'rgba(0,0,0,0.85)'; ctx.strokeStyle = 'rgba(255,255,255,0.07)';
ctx.lineWidth = 1; ctx.lineWidth = 0.7;
ctx.beginPath(); ctx.beginPath();
ctx.arc(cx, cy, dialR, 0, Math.PI * 2); ctx.arc(cx, cy, dialR - 1, Math.PI * 1.18, Math.PI * 1.82);
ctx.stroke(); ctx.stroke();
// glossy top crescent — short bright arc on the upper half // (8) indicator tick — cream, from mid to dial edge
ctx.strokeStyle = 'rgba(255,255,255,0.08)';
ctx.lineWidth = 0.8;
ctx.beginPath();
ctx.arc(cx, cy, dialR - 1.0, Math.PI * 1.18, Math.PI * 1.82);
ctx.stroke();
// indicator: short cream tick from edge inward
const ang = startA + norm * (endA - startA); const ang = startA + norm * (endA - startA);
ctx.strokeStyle = 'rgba(245,235,215,0.92)'; ctx.strokeStyle = 'rgba(245,235,215,0.92)';
ctx.lineWidth = 1.6; ctx.lineWidth = 1.7;
ctx.lineCap = 'round'; ctx.lineCap = 'round';
ctx.beginPath(); ctx.beginPath();
ctx.moveTo(cx + Math.cos(ang) * dialR * 0.55, cy + Math.sin(ang) * dialR * 0.55); ctx.moveTo(cx + Math.cos(ang) * dialR * 0.5, cy + Math.sin(ang) * dialR * 0.5);
ctx.lineTo(cx + Math.cos(ang) * dialR * 0.88, cy + Math.sin(ang) * dialR * 0.88); ctx.lineTo(cx + Math.cos(ang) * dialR * 0.88, cy + Math.sin(ang) * dialR * 0.88);
ctx.stroke(); ctx.stroke();
} }