feat(anki): add waveform-guided timing controls

- Add speech-weighted waveform analysis and playback playhead
- Support dragging, sliding, and keyboard nudging for clip timing
This commit is contained in:
2026-08-30 01:56:16 -07:00
parent 256eb5da1b
commit ca27a4275f
18 changed files with 1120 additions and 141 deletions
+330 -90
View File
@@ -1325,22 +1325,34 @@ body:focus-visible,
/* Media timing review uses the Catppuccin Macchiato palette without opacity-shifted colors. */
.media-timing-review-modal {
background: rgba(24, 25, 38, 0.74);
backdrop-filter: blur(8px);
background: rgba(24, 25, 38, 0.76);
backdrop-filter: blur(10px);
}
/* Pointer capture keeps events on the track, so the cursor is forced from the modal root. */
.media-timing-review-modal.is-scrubbing,
.media-timing-review-modal.is-scrubbing * {
cursor: ew-resize;
}
.media-timing-review-modal.is-sliding,
.media-timing-review-modal.is-sliding * {
cursor: grabbing;
}
.media-timing-review-content {
width: min(760px, calc(100vw - 32px));
max-height: min(760px, calc(100vh - 32px));
width: min(820px, calc(100vw - 32px));
max-height: min(780px, calc(100vh - 32px));
overflow: auto;
gap: 0;
padding: 0;
border: 1px solid var(--ctp-surface1);
border-radius: 18px;
background: var(--ctp-base);
color: var(--ctp-text);
box-shadow:
0 26px 80px rgba(24, 25, 38, 0.74),
0 0 0 1px rgba(183, 189, 248, 0.08) inset;
0 30px 90px rgba(24, 25, 38, 0.8),
0 0 0 1px rgba(183, 189, 248, 0.07) inset;
animation: media-timing-review-enter 180ms cubic-bezier(0.2, 0.9, 0.25, 1);
}
@@ -1356,40 +1368,66 @@ body:focus-visible,
}
.media-timing-review-header {
position: sticky;
z-index: 2;
top: 0;
display: flex;
align-items: center;
justify-content: space-between;
gap: 24px;
padding: 22px 24px 18px;
padding: 20px 24px 16px;
border-bottom: 1px solid var(--ctp-surface0);
background: var(--ctp-mantle);
background:
linear-gradient(90deg, var(--ctp-teal), var(--ctp-blue) 45%, var(--ctp-mauve)) top / 100% 2px
no-repeat,
var(--ctp-mantle);
}
.media-timing-review-eyebrow {
margin-bottom: 3px;
color: var(--ctp-teal);
font-size: 11px;
font-weight: 800;
letter-spacing: 0.14em;
text-transform: uppercase;
.media-timing-review-heading {
display: flex;
flex-wrap: wrap;
align-items: center;
gap: 10px;
}
.media-timing-review-title {
color: var(--ctp-text);
font-size: 22px;
font-size: 21px;
font-weight: 750;
letter-spacing: -0.025em;
}
.media-timing-review-kind {
--kind-accent: var(--ctp-teal);
padding: 3px 9px;
border: 1px solid color-mix(in srgb, var(--kind-accent) 42%, transparent);
border-radius: 999px;
background: color-mix(in srgb, var(--kind-accent) 13%, transparent);
color: var(--kind-accent);
font-size: 10px;
font-weight: 800;
letter-spacing: 0.12em;
text-transform: uppercase;
}
.media-timing-review-kind[data-kind='word'] {
--kind-accent: var(--ctp-mauve);
}
.media-timing-review-kind[data-kind='audio'] {
--kind-accent: var(--ctp-sky);
}
.media-timing-review-editor {
padding: 20px 24px 24px;
padding: 18px 24px 22px;
}
.media-timing-review-text {
max-height: 108px;
overflow: auto;
margin: 0 0 18px;
padding: 13px 16px;
margin: 0 0 16px;
padding: 12px 16px;
border-left: 3px solid var(--ctp-mauve);
border-radius: 0 10px 10px 0;
background: var(--ctp-mantle);
@@ -1402,9 +1440,9 @@ body:focus-visible,
.media-timing-review-readout {
display: grid;
grid-template-columns: 1fr 1fr 1fr;
grid-template-columns: 1fr auto 1fr;
overflow: hidden;
margin-bottom: 14px;
margin-bottom: 12px;
border: 1px solid var(--ctp-surface1);
border-radius: 12px;
background: var(--ctp-mantle);
@@ -1414,8 +1452,8 @@ body:focus-visible,
display: flex;
min-width: 0;
flex-direction: column;
gap: 2px;
padding: 11px 14px;
gap: 3px;
padding: 10px 14px;
}
.media-timing-review-readout > div + div {
@@ -1423,10 +1461,10 @@ body:focus-visible,
}
.media-timing-review-readout span {
color: var(--ctp-overlay2);
color: var(--ctp-overlay1);
font-size: 10px;
font-weight: 750;
letter-spacing: 0.09em;
letter-spacing: 0.1em;
text-transform: uppercase;
}
@@ -1439,12 +1477,22 @@ body:focus-visible,
.media-timing-review-readout .media-timing-review-duration {
align-items: center;
min-width: 128px;
background: var(--ctp-surface0);
text-align: center;
}
.media-timing-review-readout > div:last-child {
align-items: flex-end;
text-align: right;
}
.media-timing-review-readout .media-timing-review-duration strong {
color: var(--ctp-teal);
}
.media-timing-review-timeline-shell {
padding: 14px 16px 12px;
padding: 12px 14px 10px;
border: 1px solid var(--ctp-surface1);
border-radius: 14px;
background: var(--ctp-mantle);
@@ -1471,79 +1519,202 @@ body:focus-visible,
.media-timing-review-track {
--selection-start: 20%;
--selection-end: 80%;
--original-start: 25%;
--original-end: 75%;
--playhead-duration: 1s;
position: relative;
height: 44px;
height: 96px;
margin: 8px 0 9px;
overflow: hidden;
border: 1px solid var(--ctp-surface2);
border-radius: 8px;
border-radius: 10px;
background:
linear-gradient(var(--ctp-surface1), var(--ctp-surface1)) center / 100% 1px no-repeat,
repeating-linear-gradient(
90deg,
transparent 0,
transparent calc(10% - 1px),
var(--ctp-surface1) calc(10% - 1px),
var(--ctp-surface1) 10%
color-mix(in srgb, var(--ctp-surface1) 65%, transparent) calc(10% - 1px),
color-mix(in srgb, var(--ctp-surface1) 65%, transparent) 10%
),
var(--ctp-surface0);
linear-gradient(180deg, var(--ctp-crust), var(--ctp-mantle));
cursor: ew-resize;
touch-action: none;
user-select: none;
}
.media-timing-review-waveform {
position: absolute;
z-index: 1;
inset: 6px 0;
width: 100%;
height: calc(100% - 12px);
pointer-events: none;
transition: opacity 160ms ease;
}
#mediaTimingReviewWaveformPath {
fill: url('#mediaTimingReviewWaveformFill');
}
.media-timing-review-waveform-edge-stop {
stop-color: var(--ctp-sky);
}
.media-timing-review-waveform-core-stop {
stop-color: var(--ctp-blue);
}
/* Sits above the dimming scrim so the subtitle bounds stay readable outside the selection. */
.media-timing-review-original-range {
position: absolute;
z-index: 4;
top: 3px;
bottom: 3px;
left: var(--original-start);
right: calc(100% - var(--original-end));
min-width: 1px;
border-inline: 1px dashed var(--ctp-peach);
pointer-events: none;
}
.media-timing-review-original-range::before {
position: absolute;
top: 0;
left: 0;
padding: 2px 4px;
border-radius: 0 0 5px;
background: color-mix(in srgb, var(--ctp-crust) 72%, transparent);
content: 'subtitle';
color: var(--ctp-peach);
font-size: 8px;
font-weight: 760;
letter-spacing: 0.08em;
line-height: 1;
text-transform: uppercase;
}
.media-timing-review-track.is-loading::after {
position: absolute;
z-index: 2;
inset: 0;
content: '';
background: linear-gradient(
105deg,
transparent 20%,
rgba(138, 173, 244, 0.16) 44%,
rgba(183, 189, 248, 0.22) 50%,
transparent 76%
);
transform: translateX(-100%);
animation: media-timing-waveform-loading 1.1s ease-in-out infinite;
pointer-events: none;
}
.media-timing-review-track.is-waveform-unavailable .media-timing-review-waveform {
opacity: 0;
}
@keyframes media-timing-waveform-loading {
to {
transform: translateX(100%);
}
}
/* The oversized shadow spread dims everything outside the clip; the track clips it. */
.media-timing-review-selected-range {
position: absolute;
top: 7px;
bottom: 7px;
left: var(--selection-start);
right: calc(100% - var(--selection-end));
border: 1px solid var(--ctp-teal);
border-radius: 6px;
background: var(--ctp-sapphire);
box-shadow: 0 0 18px rgba(125, 196, 228, 0.24);
pointer-events: none;
z-index: 3;
inset: 0 calc(100% - var(--selection-end)) 0 var(--selection-start);
border-inline: 1px solid color-mix(in srgb, var(--ctp-teal) 65%, transparent);
background: color-mix(in srgb, var(--ctp-teal) 9%, transparent);
box-shadow: 0 0 0 2000px color-mix(in srgb, var(--ctp-crust) 62%, transparent);
cursor: grab;
}
.media-timing-review-range {
.media-timing-review-playhead {
position: absolute;
inset: 0;
width: 100%;
height: 44px;
margin: 0;
appearance: none;
background: transparent;
z-index: 5;
top: 0;
bottom: 0;
left: var(--selection-start);
width: 2px;
background: var(--ctp-yellow);
box-shadow: 0 0 12px color-mix(in srgb, var(--ctp-yellow) 75%, transparent);
opacity: 0;
pointer-events: none;
}
.media-timing-review-range::-webkit-slider-runnable-track {
height: 100%;
background: transparent;
.media-timing-review-track.is-previewing .media-timing-review-playhead {
opacity: 1;
animation: media-timing-review-playhead var(--playhead-duration) linear forwards;
}
.media-timing-review-range::-webkit-slider-thumb {
width: 15px;
height: 34px;
margin-top: 4px;
appearance: none;
border: 2px solid var(--ctp-base);
border-radius: 5px;
background: var(--ctp-text);
box-shadow: 0 2px 7px var(--ctp-crust);
@keyframes media-timing-review-playhead {
from {
left: var(--selection-start);
}
to {
left: var(--selection-end);
}
}
.media-timing-review-handle {
position: absolute;
z-index: 6;
top: 0;
bottom: 0;
width: 14px;
border: 1px solid var(--ctp-teal);
background: linear-gradient(
180deg,
var(--ctp-teal),
color-mix(in srgb, var(--ctp-teal) 74%, var(--ctp-crust))
);
cursor: ew-resize;
pointer-events: auto;
touch-action: none;
transition: box-shadow 130ms ease;
}
.media-timing-review-range::-moz-range-track {
height: 100%;
background: transparent;
/* Widens the grab area past the visible bracket without moving the clip edge. */
.media-timing-review-handle::before {
position: absolute;
inset: 0 -7px;
content: '';
}
.media-timing-review-range::-moz-range-thumb {
width: 15px;
height: 34px;
border: 2px solid var(--ctp-base);
border-radius: 5px;
background: var(--ctp-text);
box-shadow: 0 2px 7px var(--ctp-crust);
cursor: ew-resize;
pointer-events: auto;
.media-timing-review-handle::after {
position: absolute;
top: 50%;
left: 50%;
width: 6px;
height: 18px;
content: '';
border-inline: 1px solid color-mix(in srgb, var(--ctp-crust) 55%, transparent);
transform: translate(-50%, -50%);
}
.media-timing-review-handle-start {
left: var(--selection-start);
border-radius: 5px 0 0 5px;
}
.media-timing-review-handle-end {
left: var(--selection-end);
border-radius: 0 5px 5px 0;
transform: translateX(-100%);
}
.media-timing-review-handle:hover {
box-shadow: 0 0 16px color-mix(in srgb, var(--ctp-teal) 60%, transparent);
}
.media-timing-review-handle:focus-visible {
outline: none;
box-shadow:
inset 0 0 0 2px var(--ctp-yellow),
0 0 16px color-mix(in srgb, var(--ctp-yellow) 55%, transparent);
}
.media-timing-review-expand-row span {
@@ -1558,7 +1729,7 @@ body:focus-visible,
.media-timing-review-confirm-button,
.media-timing-review-fine-control button {
border: 1px solid var(--ctp-surface2);
border-radius: 8px;
border-radius: 9px;
background: var(--ctp-surface0);
color: var(--ctp-text);
font: inherit;
@@ -1572,8 +1743,9 @@ body:focus-visible,
}
.media-timing-review-expand-button {
padding: 5px 9px;
padding: 5px 10px;
color: var(--ctp-sky);
font-variant-numeric: tabular-nums;
}
.media-timing-review-expand-button:disabled,
@@ -1591,8 +1763,7 @@ body:focus-visible,
transform: translateY(1px);
}
.media-timing-review-content button:focus-visible,
.media-timing-review-range:focus-visible::-webkit-slider-thumb {
.media-timing-review-content button:focus-visible {
outline: 2px solid var(--ctp-yellow);
outline-offset: 2px;
}
@@ -1601,34 +1772,37 @@ body:focus-visible,
display: grid;
grid-template-columns: 1fr 1fr;
gap: 10px;
margin-top: 12px;
margin-top: 10px;
}
.media-timing-review-fine-control {
display: grid;
grid-template-columns: 1fr auto auto;
align-items: center;
gap: 7px;
padding: 9px 10px;
gap: 6px;
padding: 8px 10px;
border: 1px solid var(--ctp-surface0);
border-radius: 10px;
background: var(--ctp-mantle);
color: var(--ctp-subtext1);
}
.media-timing-review-fine-control span {
font-size: 12px;
font-size: 11px;
font-weight: 750;
letter-spacing: 0.08em;
text-transform: uppercase;
}
.media-timing-review-fine-control button {
min-width: 62px;
min-width: 58px;
padding: 5px 8px;
font-variant-numeric: tabular-nums;
}
.media-timing-review-status {
min-height: 21px;
padding-top: 7px;
padding-top: 8px;
color: var(--ctp-teal);
font-size: 11px;
font-weight: 620;
@@ -1647,7 +1821,7 @@ body:focus-visible,
.media-timing-review-footer {
justify-content: space-between;
padding-top: 5px;
padding-top: 4px;
}
.media-timing-review-play-button,
@@ -1655,20 +1829,38 @@ body:focus-visible,
.media-timing-review-quiet-button,
.media-timing-review-original-button,
.media-timing-review-discard-button {
padding: 9px 14px;
padding: 9px 15px;
}
.media-timing-review-play-button {
display: inline-flex;
align-items: center;
gap: 9px;
border-color: var(--ctp-teal);
background: var(--ctp-teal);
color: var(--ctp-crust);
}
.media-timing-review-play-glyph {
width: 0;
height: 0;
border-block: 5px solid transparent;
border-left: 9px solid currentcolor;
}
.media-timing-review-play-button.is-playing {
border-color: var(--ctp-yellow);
background: var(--ctp-yellow);
}
.media-timing-review-play-button.is-playing .media-timing-review-play-glyph {
width: 9px;
height: 10px;
border: 0;
border-radius: 2px;
background: currentcolor;
}
.media-timing-review-confirm-button {
border-color: var(--ctp-blue);
background: var(--ctp-blue);
@@ -1686,20 +1878,48 @@ body:focus-visible,
color: var(--ctp-crust);
}
.media-timing-review-hints {
display: flex;
flex-wrap: wrap;
gap: 4px 16px;
padding-top: 14px;
color: var(--ctp-overlay1);
font-size: 10px;
font-weight: 650;
letter-spacing: 0.04em;
}
.media-timing-review-hints kbd {
display: inline-block;
min-width: 15px;
margin-right: 3px;
padding: 1px 5px;
border: 1px solid var(--ctp-surface1);
border-bottom-width: 2px;
border-radius: 5px;
background: var(--ctp-mantle);
color: var(--ctp-subtext0);
font-family: inherit;
font-size: 9px;
font-weight: 750;
text-align: center;
}
.media-timing-review-cancel-step {
min-height: 330px;
padding: 48px 38px 38px;
min-height: 300px;
padding: 44px 38px 34px;
text-align: center;
}
.media-timing-review-cancel-mark {
display: grid;
width: 54px;
height: 54px;
width: 52px;
height: 52px;
margin: 0 auto 16px;
place-items: center;
border: 2px solid var(--ctp-yellow);
border-radius: 50%;
background: color-mix(in srgb, var(--ctp-yellow) 12%, transparent);
color: var(--ctp-yellow);
font-size: 26px;
font-weight: 760;
@@ -1707,13 +1927,13 @@ body:focus-visible,
.media-timing-review-cancel-step h2 {
color: var(--ctp-text);
font-size: 22px;
font-size: 21px;
font-weight: 760;
}
.media-timing-review-cancel-step p {
max-width: 520px;
margin: 8px auto 26px;
margin: 8px auto 24px;
color: var(--ctp-subtext0);
font-size: 13px;
line-height: 1.5;
@@ -1726,6 +1946,17 @@ body:focus-visible,
gap: 10px;
}
@media (prefers-reduced-motion: reduce) {
.media-timing-review-content {
animation: none;
}
.media-timing-review-track.is-loading::after,
.media-timing-review-track.is-previewing .media-timing-review-playhead {
animation: none;
}
}
@media (max-width: 640px) {
.media-timing-review-content {
width: calc(100vw - 18px);
@@ -1738,6 +1969,15 @@ body:focus-visible,
padding-left: 15px;
}
.media-timing-review-readout {
grid-template-columns: 1fr;
}
.media-timing-review-readout > div + div {
border-top: 1px solid var(--ctp-surface0);
border-left: 0;
}
.media-timing-review-fine-grid {
grid-template-columns: 1fr;
}