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refactor(flow-chat): reuse the session surface in both floating chat surfaces #1775

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Merged
bobleer merged 1 commit into from
Jul 26, 2026
Merged

refactor(flow-chat): reuse the session surface in both floating chat surfaces #1775

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273 changes: 54 additions & 219 deletions src/web-ui/src/app/layout/FloatingMiniChat.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -14,10 +14,21 @@ $fmc-close-duration: 0.25s;

$button-size: 44px;
$button-offset: 28px;
$panel-width: 380px;
$panel-height: 620px;
// Sized for the full session composer (workspace strip, model/permission
// controls, action row) rather than the single-line input it replaced.
$panel-width: 440px;
$panel-height: 680px;

// ─── Root container ────────────────────────────────────────
// Children opt into pointer events individually. A blanket `& > *` override
// here used to decide, by source order alone, whether the collapsed panel or
// the trigger under it received the press — too fragile for the one control
// that has to work on the first try.
//
// Stacking inside this context, bottom to top: backdrop (0), panel (1),
// trigger (2). The trigger therefore always sits above the collapsed panel
// that overlaps it, and is removed from hit testing by `visibility` — not by
// pointer-events alone — once the panel is open.
.bitfun-fmc {
position: fixed;
bottom: $button-offset;
Expand All @@ -28,10 +39,6 @@ $panel-height: 620px;
right $motion-base $easing-decelerate,
bottom $motion-base $easing-decelerate;

& > * {
pointer-events: auto;
}

&--miniapp-customizing {
right: calc(clamp(380px, 38vw, 560px) + #{$button-offset + 16px});
}
Expand All @@ -42,10 +49,14 @@ $panel-height: 620px;
position: fixed;
inset: 0;
z-index: 0;
pointer-events: auto;
}

// ─── Circular trigger button ───────────────────────────────
.bitfun-fmc__button {
position: relative;
z-index: 2;
pointer-events: auto;
width: $button-size;
height: $button-size;
border-radius: 50%;
Expand Down Expand Up @@ -80,11 +91,18 @@ $panel-height: 620px;
transform: scale(0.94);
}

// Hide when panel is open
// Hide when the panel is open. `visibility` (delayed until the fade-out
// finishes) is what actually removes it from hit testing; opacity alone
// would leave an invisible but clickable trigger under the panel.
.bitfun-fmc--open & {
opacity: 0;
transform: scale(0.5);
visibility: hidden;
pointer-events: none;
transition:
transform 0.2s $fmc-ease,
opacity $fmc-close-duration $fmc-ease,
visibility 0s linear $fmc-close-duration;
}
}

Expand All @@ -109,22 +127,28 @@ $panel-height: 620px;
flex-direction: column;
box-sizing: border-box;

// Pre-open state: collapsed into the button position
// Pre-open state: collapsed into the button position. The collapsed panel
// still overlaps the trigger, so it is hidden outright once the close
// animation ends rather than relying on pointer-events alone.
transform-origin: bottom right;
opacity: 0;
transform: scale(0.15);
visibility: hidden;
pointer-events: none;
transition:
opacity $fmc-close-duration $fmc-ease,
transform $fmc-close-duration $fmc-ease;
transform $fmc-close-duration $fmc-ease,
visibility 0s linear $fmc-close-duration;

&--open {
opacity: 1;
transform: scale(1);
visibility: visible;
pointer-events: auto;
transition:
opacity $fmc-open-duration $fmc-ease,
transform $fmc-open-duration $fmc-ease;
transform $fmc-open-duration $fmc-ease,
visibility 0s linear 0s;
}

// ── State borders ──
Expand All @@ -151,32 +175,13 @@ $panel-height: 620px;
}
}

&--error {
border-color: var(--color-error-border);
}

&--confirm {
border-color: var(--color-warning-border);
animation: fmc-pulse 1s ease-in-out infinite;
}
}

@keyframes fmc-progress {
0% { background-position: 200% 0; }
100% { background-position: -200% 0; }
}

@keyframes fmc-pulse {
0%, 100% {
box-shadow: 0 4px 12px var(--color-overlay-black-30),
0 0 0 1px var(--color-warning-border);
}
50% {
box-shadow: 0 4px 12px var(--color-overlay-black-30),
0 0 0 2px var(--color-warning);
}
}

// ─── Header ────────────────────────────────────────────────
.bitfun-fmc__header {
flex: 0 0 auto;
Expand Down Expand Up @@ -211,144 +216,61 @@ $panel-height: 620px;
transform: scale(0.92);
}

&--confirm {
color: var(--color-success);
&:hover { background: var(--color-success-bg); }
}

&--reject {
color: var(--color-error);
&:hover { background: var(--color-error-bg); }
}

&--stop {
color: var(--color-error);
&:hover { background: var(--color-error-bg); }
}

&--close:hover {
background: var(--color-error-bg);
color: var(--color-error);
}
}

// ─── Title / session picker ────────────────────────────────
// ─── Title ─────────────────────────────────────────────────
// Plain display. Session switching lives in the shared SessionMenu ("+"),
// matching floating window mode.
.bitfun-fmc__title-wrapper {
flex: 1;
min-width: 0;
position: relative;
}

.bitfun-fmc__title-btn {
.bitfun-fmc__title-display {
width: 100%;
min-width: 0;
display: flex;
align-items: center;
gap: 4px;
padding: 4px 8px;
border: none;
background: transparent;
box-sizing: border-box;
color: var(--color-text-primary);
font-size: 12px;
font-weight: 500;
cursor: pointer;
border-radius: 6px;
transition: background 0.15s ease;

&:hover {
background: var(--element-bg-base);
}

svg {
flex-shrink: 0;
color: var(--color-text-muted);
}
font-size: var(--flowchat-font-size-xs);
font-weight: var(--font-weight-medium);
border-radius: var(--size-radius-sm);
}

.bitfun-fmc__title-text {
flex: 1;
min-width: 0;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
text-align: left;
}

.bitfun-fmc__title-chevron {
flex-shrink: 0;
opacity: 0;
transition: transform 0.2s ease, opacity 0.15s ease;

.bitfun-fmc__title-btn:hover & {
opacity: 1;
}

&--open {
opacity: 1;
transform: rotate(180deg);
}
}

.bitfun-fmc__session-dropdown {
position: absolute;
top: 100%;
left: 0;
right: 0;
margin-top: 4px;
max-height: 220px;
overflow-y: auto;
background: var(--color-bg-elevated);
border: 1px solid var(--border-medium);
border-radius: 8px;
box-shadow: 0 8px 24px var(--color-overlay-black-50);
z-index: 100;
animation: fmc-dropdown-in 0.18s $fmc-ease;
transform-origin: top center;
scrollbar-width: none;

&::-webkit-scrollbar { display: none; }
}

@keyframes fmc-dropdown-in {
from { opacity: 0; transform: translateY(-6px) scale(0.98); }
to { opacity: 1; transform: translateY(0) scale(1); }
}

.bitfun-fmc__session-item {
display: block;
width: 100%;
box-sizing: border-box;
padding: 7px 12px;
border: none;
background: transparent;
color: var(--color-text-secondary);
font-size: 12px;
text-align: left;
cursor: pointer;
transition: background 0.1s ease;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;

&:hover {
background: var(--element-bg-soft);
color: var(--color-text-primary);
}

&--active {
background: var(--color-accent-200);
color: var(--color-accent-500);
}
}

// ─── FlowChat body ─────────────────────────────────────────
// Host for the reused main-window session surface (ChatPane: conversation +
// ChatInput). Only sizing is adjusted here — the surface keeps the main
// window's own look and behavior.
.bitfun-fmc__body {
flex: 1;
min-height: 0;
min-width: 0;
overflow: hidden;
display: flex;
flex-direction: column;

.bitfun-chat-pane__content {
flex: 1;
min-height: 0;
background: transparent;
}

.modern-flowchat-container {
height: 100%;
border: none;
border-radius: 0;
background: transparent;
Expand All @@ -360,93 +282,6 @@ $panel-height: 620px;
}
}

// ─── Input bar ─────────────────────────────────────────────
.bitfun-fmc__input-bar {
flex-shrink: 0;
display: flex;
align-items: center;
gap: 6px;
padding: 8px 10px;
border-top: 1px solid var(--border-subtle);
background: var(--element-bg-subtle);
}

.bitfun-fmc__input-wrapper {
flex: 1;
min-width: 0;
}

.bitfun-fmc__input-btn {
flex-shrink: 0;
border: none;
outline: none;
cursor: pointer;
display: inline-flex;
align-items: center;
justify-content: center;
transition: all 0.2s ease;

&--send {
width: 24px;
height: 24px;
border-radius: 50%;
border: 1px solid var(--color-accent-300);
background: var(--color-accent-200);
color: var(--color-accent-300);

&:not(:disabled) {
background: linear-gradient(135deg,
color-mix(in srgb, var(--color-accent-500) 85%, transparent),
color-mix(in srgb, var(--color-purple-500) 90%, transparent));
border: 1px solid color-mix(in srgb, var(--color-accent-500) 60%, transparent);
color: var(--color-static-white);
box-shadow:
0 2px 8px color-mix(in srgb, var(--color-accent-500) 40%, transparent),
0 0 12px color-mix(in srgb, var(--color-purple-500) 25%, transparent);
}

&:hover:not(:disabled) {
background: linear-gradient(135deg,
color-mix(in srgb, var(--color-accent-500) 94%, var(--color-static-white)),
color-mix(in srgb, var(--color-purple-500) 92%, var(--color-static-white)));
border-color: color-mix(in srgb, var(--color-accent-500) 80%, transparent);
color: var(--color-static-white);
transform: scale(1.12);
box-shadow:
0 6px 20px color-mix(in srgb, var(--color-accent-500) 55%, transparent),
0 0 24px color-mix(in srgb, var(--color-purple-500) 40%, transparent);
}

&:active:not(:disabled) {
transform: scale(0.95);
}

&:disabled {
background: var(--color-accent-100);
border-color: var(--color-accent-200);
color: var(--color-accent-400);
opacity: 0.35;
cursor: default;
}
}

&--stop {
width: 24px;
height: 24px;
border-radius: 50%;
background: var(--color-error-bg);
color: var(--color-error);

&:hover {
background: var(--color-error-border);
}

&:active {
transform: scale(0.93);
}
}
}

@media (max-width: 900px) {
.bitfun-fmc--miniapp-customizing {
right: $button-offset;
Expand Down
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