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Liquid Glass for the web: the rim refraction, light and motion of iOS 27 glass on any rounded element. React bindings and pill tabs. MIT.
| 6 | below 1, mask or backdrop-filter, or the glass would only see the surface. */ |
| 7 | :has(> .liquid-glass) { |
| 8 | isolation: isolate; |
| 9 | } |
| 10 |
| 11 | .liquid-glass, |
| 12 | .liquid-glass-layer, |
| 13 | .liquid-glass-hue, |
| 14 | .liquid-glass-light, |
| 15 | .liquid-glass-shadow { |
| 16 | position: absolute; |
| 17 | inset: 0; |
| 18 | border-radius: inherit; |
| 19 | pointer-events: none; |
| 20 | } |
| 21 | .liquid-glass { |
| 22 | z-index: -1; |
| 23 | } |
| 24 | .liquid-glass[data-fit="fixed"] { |
| 25 | position: fixed; |
| 26 | } |
| 27 | .liquid-glass[data-fit="scroll"] { |
| 28 | bottom: auto; |
| 29 | } |
| 30 | .liquid-glass-layer[data-layer="body"] { |
| 31 | transition: backdrop-filter 300ms ease, background-color 300ms ease; |
| 32 | } |
| 33 | /* Rim layers wait for their masks; unmasked, they would filter the whole surface. */ |
| 34 | .liquid-glass:not([data-ready]) > :is([data-layer="refract"], [data-layer="shade"], [data-layer="glow"], [data-layer="edge"], [data-layer="highlight"]) { |
| 35 | display: none; |
| 36 | } |
| 37 | /* The refraction is a layer of its own over the body, masked to the rim, so only |
| 38 | the rim goes through the displacement: it takes the nearest pixel, and run over |
| 39 | the whole body it drew the page beneath coarser than the page itself on some |
| 40 | GPUs. Where the browser can't refract, it isn't there. */ |
| 41 | .liquid-glass:not([data-refraction]) > [data-layer="refract"] { |
| 42 | display: none; |
| 43 | } |
| 44 |
| 45 | /* Floating glass (the `floating` option) casts a drop shadow from its surface, |
| 46 | without a ring or lit line: the glass draws its own edge, and an inset line |
| 47 | would sit under the glass and bend with it. Set --liquid-glass-shadow to change it. */ |
| 48 | [data-liquid-glass][data-liquid-glass-floating], |
| 49 | [data-liquid-glass][data-liquid-glass-floating] > .liquid-glass > .liquid-glass-shadow { |
| 50 | box-shadow: var(--liquid-glass-shadow, 0 8px 20px -6px rgb(0 0 0 / 0.5), 0 24px 48px -12px rgb(0 0 0 / 0.6)); |
| 51 | } |
| 52 | [data-liquid-glass="light"][data-liquid-glass-floating], |
| 53 | [data-liquid-glass="light"][data-liquid-glass-floating] > .liquid-glass > .liquid-glass-shadow { |
| 54 | box-shadow: var(--liquid-glass-shadow, 0 6px 16px -4px rgb(30 30 40 / 0.1), 0 20px 40px -12px rgb(30 30 40 / 0.16)); |
| 55 | } |
| 56 | /* A dialog sits higher, so its shadow is deeper and wider (`floating: "dialog"`). */ |
| 57 | [data-liquid-glass][data-liquid-glass-floating="dialog"], |
| 58 | [data-liquid-glass][data-liquid-glass-floating="dialog"] > .liquid-glass > .liquid-glass-shadow { |
| 59 | box-shadow: var(--liquid-glass-dialog-shadow, 0 6px 12px -4px rgb(0 0 0 / 0.3), 0 20px 40px -12px rgb(0 0 0 / 0.5), 0 48px 96px -24px rgb(0 0 0 / 0.7)); |
| 60 | } |
| 61 | [data-liquid-glass="light"][data-liquid-glass-floating="dialog"], |
| 62 | [data-liquid-glass="light"][data-liquid-glass-floating="dialog"] > .liquid-glass > .liquid-glass-shadow { |
| 63 | box-shadow: var(--liquid-glass-dialog-shadow, 0 6px 12px -4px rgb(30 30 40 / 0.06), 0 20px 40px -12px rgb(30 30 40 / 0.14), 0 48px 96px -24px rgb(30 30 40 / 0.22)); |
| 64 | } |
| 65 | /* Light glass that holds controls floats over the page on a wide, faint shadow, |
| 66 | as iOS 27's light glass buttons, fields and toolbars do. Dark glass casts none |
| 67 | that shows. Set --liquid-glass-control-shadow to change it. */ |
| 68 | [data-liquid-glass="light"][data-liquid-glass-interactive]:not([data-liquid-glass-floating]) { |
| 69 | box-shadow: var(--liquid-glass-control-shadow, 0 4px 16px -4px rgb(36 36 44 / 0.12), 0 1px 4px -1px rgb(36 36 44 / 0.06)); |
| 70 | } |
| 71 |
| 72 | /* Interactive glass (the `interactive` option) lights up from within: the pointer |
| 73 | warms a patch of glass beneath it, and a press blooms out from there. Letting |
| 74 | go, the light fades where it spread and only then gathers back. Plain alpha, |
| 75 | never a blend mode, which would isolate the glass and cut it off from the page. */ |
| 76 | @property --liquid-glass-light-size { |
| 77 | syntax: "<length>"; |
| 78 | inherits: false; |
| 79 | initial-value: 56px; |
| 80 | } |
| 81 | @property --liquid-glass-light { |
| 82 | syntax: "<number>"; |
| 83 | inherits: false; |
| 84 | initial-value: 0; |
| 85 | } |
| 86 | .liquid-glass-light { |
| 87 | --liquid-glass-light-size: 56px; |
| 88 | --liquid-glass-light: 0; |
| 89 | background: radial-gradient( |
| 90 | circle var(--liquid-glass-light-size) at var(--liquid-glass-x, -999px) var(--liquid-glass-y, -999px), |
| 91 | rgb(255 255 255 / var(--liquid-glass-light)), |
| 92 | rgb(255 255 255 / calc(var(--liquid-glass-light) * 0.3)) 40%, |
| 93 | transparent |
| 94 | ); |
| 95 | transition: --liquid-glass-light 360ms ease-out, --liquid-glass-light-size 240ms ease-out 360ms; |
| 96 | } |
| 97 | [data-liquid-glass-pointer] > .liquid-glass > .liquid-glass-light { |
| 98 | --liquid-glass-light: 0.07; |
| 99 | } |
| 100 | [data-liquid-glass-pressed] > .liquid-glass > .liquid-glass-light { |
| 101 | --liquid-glass-light-size: 150px; |
| 102 | --liquid-glass-light: 0.24; |
| 103 | transition: --liquid-glass-light 90ms ease-out, --liquid-glass-light-size 450ms cubic-bezier(0.23, 1, 0.32, 1); |
| 104 | } |
| 105 | [data-liquid-glass="light"][data-liquid-glass-pointer] > .liquid-glass > .liquid-glass-light { |
| 106 | --liquid-glass-light: 0.3; |
| 107 | } |
| 108 | [data-liquid-glass="light"][data-liquid-glass-pressed] > .liquid-glass > .liquid-glass-light { |
| 109 | --liquid-glass-light: 0.6; |
| 110 | } |
| 111 |
| 112 | /* Controls on a glass surface don't get glass of their own: Apple's guidance is |
| 113 | to avoid glass on glass and make them a thin part of the material. A well |
| 114 | brightens the glass beneath it. No element between it and the surface may be |
| 115 | a backdrop root. */ |
| 116 | [data-liquid-glass] .liquid-glass-well { |
| 117 | background: transparent; |
| 118 | -webkit-backdrop-filter: brightness(1.45); |
| 119 | backdrop-filter: brightness(1.45); |
| 120 | transition: backdrop-filter 150ms ease-out, scale 150ms ease-out, color 150ms ease-out; |
| 121 | } |
| 122 | [data-liquid-glass] .liquid-glass-well:hover { |
| 123 | -webkit-backdrop-filter: brightness(1.8); |
| 124 | backdrop-filter: brightness(1.8); |
| 125 | } |
| 126 | [data-liquid-glass="light"] .liquid-glass-well { |
| 127 | -webkit-backdrop-filter: brightness(0.92); |
| 128 | backdrop-filter: brightness(0.92); |
| 129 | } |
| 130 | [data-liquid-glass="light"] .liquid-glass-well:hover { |
| 131 | -webkit-backdrop-filter: brightness(0.86); |
| 132 | backdrop-filter: brightness(0.86); |
| 133 | } |
| 134 | /* A well can't fade with its surface's contents, or the glass beneath would blank, |
| 135 | so it eases back to clear glass as the surface dematerializes. */ |
| 136 | [data-liquid-glass][data-liquid-glass-leaving] .liquid-glass-well { |
| 137 | -webkit-backdrop-filter: brightness(1); |
| 138 | backdrop-filter: brightness(1); |
| 139 | } |
| 140 | /* The hover pill (attachLiquidGlassHighlight): a well that slides between rows, |
| 141 | over the glass and under them. It comes and goes as a filter, never opacity. */ |
| 142 | .liquid-glass-highlight { |
| 143 | position: absolute; |
| 144 | top: 0; |
| 145 | left: 0; |
| 146 | z-index: -1; |
| 147 | pointer-events: none; |
| 148 | } |
| 149 | [data-liquid-glass] .liquid-glass-highlight { |
| 150 | transition: backdrop-filter 100ms linear; |
| 151 | } |
| 152 | [data-liquid-glass] .liquid-glass-highlight:not([data-shown]) { |
| 153 | -webkit-backdrop-filter: brightness(1); |
| 154 | backdrop-filter: brightness(1); |
| 155 | } |
| 156 |
| 157 | /* Materializing, for surfaces that appear and disappear under CSS control: run |
| 158 | these on .liquid-glass-layer with the surface's own timing, ideally ease-out |
| 159 | cubic. The surface must not fade or scale instead: opacity hides the glass, and |
| 160 | a changing scale leaves Chromium's backdrop-filter with a blank backdrop for |
| 161 | frames. The script sets each layer's --liquid-glass-clear, --liquid-glass-full |
| 162 | and --liquid-glass-wash. materialize() and dematerialize() do the same from |
| 163 | script. The refraction layer holds still. */ |
| 164 | @keyframes liquid-glass-materialize { |
| 165 | from { |
| 166 | backdrop-filter: var(--liquid-glass-clear); |
| 167 | background-color: transparent; |
| 168 | } |
| 169 | to { |
| 170 | backdrop-filter: var(--liquid-glass-full); |
| 171 | background-color: var(--liquid-glass-wash, transparent); |
| 172 | } |
| 173 | } |
| 174 | @keyframes liquid-glass-dematerialize { |
| 175 | from { |
| 176 | backdrop-filter: var(--liquid-glass-full); |
| 177 | background-color: var(--liquid-glass-wash, transparent); |
| 178 | } |
| 179 | to { |
| 180 | backdrop-filter: var(--liquid-glass-clear); |
| 181 | background-color: transparent; |
| 182 | } |
| 183 | } |
| 184 |
| 185 | /* Pouring out of a button and drawing back (pourFrom and drawBack). The shadow is |
| 186 | the glass box's, so it follows the drop. Drawing back, the surface lets presses |
| 187 | through to what it covered, its button among them. */ |
| 188 | [data-liquid-glass][data-liquid-glass-morph] { |
| 189 | box-shadow: none; |
| 190 | } |
| 191 | [data-liquid-glass-closing] { |
| 192 | pointer-events: none !important; |
| 193 | } |
| 194 | /* Over the button a menu covers, the press that opened it is released here rather |
| 195 | than on the item that now lies beneath it. */ |
| 196 | .liquid-glass-catcher { |
| 197 | position: absolute; |
| 198 | z-index: 20; |
| 199 | pointer-events: auto; |
| 200 | } |
| 201 |
| 202 | /* Tabs (attachLiquidGlassTabs). A horizontal track is a segmented control: the |
| 203 | selected tab is a solid thumb, white in light and grey in dark, which clears |
| 204 | into a lens above the labels as it moves and refills as it lands. A vertical |
| 205 | list is a sidebar, whose selected tab is a well in the track's glass. Every |
| 206 | fade is a filter transition or a colour, never opacity: Chromium drops a |
| 207 | backdrop filter for frames while its element fades. */ |
| 208 | [data-liquid-glass-tabs] { |
| 209 | position: relative; |
| 210 | isolation: isolate; |
| 211 | -webkit-user-select: none; |
| 212 | user-select: none; |
| 213 | /* The track's glass is washed with this (its `tint`): near-black in dark, and in |
| 214 | light white, or a grey a little darker than the page for a segmented control. */ |
| 215 | --liquid-glass-tabs-tint: #101114; |
| 216 | } |
| 217 | [data-liquid-glass-tabs-appearance="light"] { |
| 218 | --liquid-glass-tabs-tint: #fff; |
| 219 | } |
| 220 | [data-liquid-glass-tabs="horizontal"][data-liquid-glass-tabs-appearance="light"] { |
| 221 | --liquid-glass-tabs-tint: oklch(0.78 0.008 286); |
| 222 | } |
| 223 | /* On another glass surface the track is a recessed tint, not glass of its own. */ |
| 224 | [data-liquid-glass-tabs-on-glass] { |
| 225 | background-color: rgb(0 0 0 / 0.2); |
| 226 | box-shadow: inset 0 1px 2px rgb(0 0 0 / 0.25); |
| 227 | } |
| 228 | [data-liquid-glass-tabs-on-glass][data-liquid-glass-tabs-appearance="light"] { |
| 229 | background-color: rgb(0 0 0 / 0.045); |
| 230 | box-shadow: inset 0 1px 2px rgb(0 0 0 / 0.06); |
| 231 | } |
| 232 | [data-liquid-glass-tab] { |
| 233 | position: relative; |
| 234 | z-index: 1; |
| 235 | } |
| 236 | .liquid-glass-tabs-light, |
| 237 | .liquid-glass-tabs-well, |
| 238 | .liquid-glass-tabs-fill, |
| 239 | .liquid-glass-tabs-lens { |
| 240 | position: absolute; |
| 241 | inset: 0; |
| 242 | border-radius: inherit; |
| 243 | pointer-events: none; |
| 244 | } |
| 245 | /* The pointer lights the glass beneath it. */ |
| 246 | @property --liquid-glass-tabs-light-size { |
| 247 | syntax: "<length>"; |
| 248 | inherits: false; |
| 249 | initial-value: 56px; |
| 250 | } |
| 251 | .liquid-glass-tabs-light { |
| 252 | z-index: -1; |
| 253 | --liquid-glass-tabs-light-size: 56px; |
| 254 | -webkit-mask-image: radial-gradient(circle var(--liquid-glass-tabs-light-size) at var(--liquid-glass-tabs-x, -999px) var(--liquid-glass-tabs-y, -999px), #000, transparent); |
| 255 | mask-image: radial-gradient(circle var(--liquid-glass-tabs-light-size) at var(--liquid-glass-tabs-x, -999px) var(--liquid-glass-tabs-y, -999px), #000, transparent); |
| 256 | transition: backdrop-filter 240ms ease-out, --liquid-glass-tabs-light-size 300ms ease-out; |
| 257 | } |
| 258 | [data-liquid-glass-tabs-pointer] > .liquid-glass-tabs-light { |
| 259 | -webkit-backdrop-filter: brightness(1.3) saturate(1.15); |
| 260 | backdrop-filter: brightness(1.3) saturate(1.15); |
| 261 | } |
| 262 | [data-liquid-glass-tabs-appearance="light"][data-liquid-glass-tabs-pointer] > .liquid-glass-tabs-light { |
| 263 | -webkit-backdrop-filter: brightness(1.05) saturate(1.1); |
| 264 | backdrop-filter: brightness(1.05) saturate(1.1); |
| 265 | } |
| 266 | /* A press brightens the glass under it a little, and letting go the light spreads |
| 267 | across the bar as it fades. Only a little: iOS's segmented control has no flash |
| 268 | of its own, and a bright one smeared inside the lens. */ |
| 269 | [data-liquid-glass-tabs-press] > .liquid-glass-tabs-light { |
| 270 | --liquid-glass-tabs-light-size: 40px; |
| 271 | -webkit-backdrop-filter: brightness(1.15) saturate(1.05); |
| 272 | backdrop-filter: brightness(1.15) saturate(1.05); |
| 273 | transition: backdrop-filter 100ms ease-out, --liquid-glass-tabs-light-size 100ms ease-out; |
| 274 | } |
| 275 | [data-liquid-glass-tabs-appearance="light"][data-liquid-glass-tabs-press] > .liquid-glass-tabs-light { |
| 276 | -webkit-backdrop-filter: brightness(1.02); |
| 277 | backdrop-filter: brightness(1.02); |
| 278 | } |
| 279 | [data-liquid-glass-tabs-release] > .liquid-glass-tabs-light { |
| 280 | --liquid-glass-tabs-light-size: 160px; |
| 281 | -webkit-backdrop-filter: brightness(1); |
| 282 | backdrop-filter: brightness(1); |
| 283 | transition: backdrop-filter 500ms ease-out, --liquid-glass-tabs-light-size 500ms cubic-bezier(0.23, 1, 0.32, 1); |
| 284 | } |
| 285 | @media (prefers-reduced-motion: reduce) { |
| 286 | [data-liquid-glass-tabs-press] > .liquid-glass-tabs-light, |
| 287 | [data-liquid-glass-tabs-release] > .liquid-glass-tabs-light { |
| 288 | --liquid-glass-tabs-light-size: 56px; |
| 289 | } |
| 290 | } |
| 291 | /* Hovering another tab brightens its patch of glass, as the well does. */ |
| 292 | [data-liquid-glass-tab]::before { |
| 293 | content: ""; |
| 294 | position: absolute; |
| 295 | inset: 0; |
| 296 | z-index: -1; |
| 297 | border-radius: inherit; |
| 298 | pointer-events: none; |
| 299 | transition: backdrop-filter 150ms ease-out; |
| 300 | } |
| 301 | [data-liquid-glass-tab]:not([data-liquid-glass-tab-selected]):hover::before { |
| 302 | -webkit-backdrop-filter: brightness(1.2); |
| 303 | backdrop-filter: brightness(1.2); |
| 304 | } |
| 305 | [data-liquid-glass-tabs-appearance="light"] [data-liquid-glass-tab]:not([data-liquid-glass-tab-selected]):hover::before { |
| 306 | -webkit-backdrop-filter: brightness(0.96); |
| 307 | backdrop-filter: brightness(0.96); |
| 308 | } |
| 309 | /* The selected tab can be dragged across the others. */ |
| 310 | [data-liquid-glass-tabs="horizontal"] [data-liquid-glass-tab-selected] { |
| 311 | touch-action: pan-y; |
| 312 | } |
| 313 | /* The selected label is semibold, as iOS 27's segmented control sets it, and so |
| 314 | is the one a drag would land on. A label marked up as |
| 315 | <span class="liquid-glass-tabs-label" data-text="Week"><span>Week</span></span> |
| 316 | holds the width of its semibold self, an invisible copy laid over it, so no |
| 317 | tab changes width as the selection moves. */ |
| 318 | .liquid-glass-tabs-label { |
| 319 | display: inline-grid; |
| 320 | justify-items: center; |
| 321 | } |
| 322 | .liquid-glass-tabs-label > span, |
| 323 | .liquid-glass-tabs-label::after { |
| 324 | grid-area: 1 / 1; |
| 325 | } |
| 326 | .liquid-glass-tabs-label::after { |
| 327 | content: attr(data-text); |
| 328 | font-weight: 600; |
| 329 | visibility: hidden; |
| 330 | } |
| 331 | .liquid-glass-tabs-label > span { |
| 332 | transition: font-weight 150ms ease-out; |
| 333 | } |
| 334 | [data-liquid-glass-tab-selected] .liquid-glass-tabs-label > span, |
| 335 | [data-liquid-glass-tabs-scrubbing] [data-liquid-glass-tab-target] .liquid-glass-tabs-label > span { |
| 336 | font-weight: 600; |
| 337 | } |
| 338 | [data-liquid-glass-tabs-scrubbing] [data-liquid-glass-tab-selected]:not([data-liquid-glass-tab-target]) .liquid-glass-tabs-label > span { |
| 339 | font-weight: inherit; |
| 340 | } |
| 341 | /* Under the labels at rest, over them while it is a lens (data-raised), so it can |
| 342 | bend them. It goes back under them as it finishes dropping in. Its shadow grows |
| 343 | with the lift (--liquid-glass-tabs-lift, 0 to 1). The plate carries the solid |
| 344 | fill on the same box, always under the labels. */ |
| 345 | .liquid-glass-tabs-thumb, |
| 346 | .liquid-glass-tabs-plate { |
| 347 | position: absolute; |
| 348 | top: 0; |
| 349 | left: 0; |
| 350 | z-index: 0; |
| 351 | pointer-events: none; |
| 352 | } |
| 353 | .liquid-glass-tabs-thumb { |
| 354 | box-shadow: |
| 355 | 0 8px 20px -6px rgb(0 0 0 / calc(0.35 * var(--liquid-glass-tabs-lift, 0))), |
| 356 | 0 2px 6px -2px rgb(0 0 0 / calc(0.15 * var(--liquid-glass-tabs-lift, 0))); |
| 357 | } |
| 358 | .liquid-glass-tabs-thumb:not([data-shown]), |
| 359 | .liquid-glass-tabs-plate:not([data-shown]) { |
| 360 | visibility: hidden; |
| 361 | } |
| 362 | .liquid-glass-tabs-thumb[data-raised] { |
| 363 | z-index: 2; |
| 364 | } |
| 365 | [data-liquid-glass-tabs-appearance="light"] > .liquid-glass-tabs-thumb { |
| 366 | box-shadow: |
| 367 | 0 8px 20px -6px rgb(0 0 0 / calc(0.18 * var(--liquid-glass-tabs-lift, 0))), |
| 368 | 0 2px 6px -2px rgb(0 0 0 / calc(0.08 * var(--liquid-glass-tabs-lift, 0))); |
| 369 | } |
| 370 | /* At rest a segmented control's selected tab is a solid thumb, as iOS 27's is: |
| 371 | white with a soft shadow in light, a grey near three times the track's light in |
| 372 | dark, nearly opaque, so a bright page doesn't wash through it. It is glass only |
| 373 | while it moves: lifting, the fill clears from the centre out, and landing it |
| 374 | refills from the rim in, by --liquid-glass-tabs-platter (1 at rest, 0 clear). |
| 375 | Set --liquid-glass-tabs-fill and --liquid-glass-tabs-fill-alpha to change it. */ |
| 376 | .liquid-glass-tabs-fill { |
| 377 | --liquid-glass-tabs-fill: white; |
| 378 | --liquid-glass-tabs-fill-alpha: 1; |
| 379 | background: radial-gradient( |
| 380 | farthest-side, |
| 381 | color-mix(in srgb, var(--liquid-glass-tabs-fill) calc(100% * var(--liquid-glass-tabs-fill-alpha) * clamp(0, 2 * var(--liquid-glass-tabs-platter, 1) - 1, 1)), transparent), |
| 382 | color-mix(in srgb, var(--liquid-glass-tabs-fill) calc(100% * var(--liquid-glass-tabs-fill-alpha) * clamp(0, 2 * var(--liquid-glass-tabs-platter, 1), 1)), transparent) |
| 383 | ); |
| 384 | box-shadow: |
| 385 | 0 0 0 0.5px rgb(0 0 0 / calc(0.05 * var(--liquid-glass-tabs-platter, 1))), |
| 386 | 0 1px 3px rgb(0 0 0 / calc(0.1 * var(--liquid-glass-tabs-platter, 1))), |
| 387 | 0 3px 8px -3px rgb(0 0 0 / calc(0.12 * var(--liquid-glass-tabs-platter, 1))); |
| 388 | } |
| 389 | [data-liquid-glass-tabs-appearance="dark"] > .liquid-glass-tabs-plate > .liquid-glass-tabs-fill { |
| 390 | --liquid-glass-tabs-fill: oklch(0.47 0.004 270); |
| 391 | --liquid-glass-tabs-fill-alpha: 0.8; |
| 392 | box-shadow: none; |
| 393 | } |
| 394 | [data-liquid-glass-tabs="vertical"] .liquid-glass-tabs-fill { |
| 395 | display: none; |
| 396 | } |
| 397 | /* A vertical list's selected tab is a well in the glass: brighter glass in dark, |
| 398 | dimmer in light, with nothing painted over it. It clears as the lens lifts and |
| 399 | refills after it drops, by --liquid-glass-tabs-platter, and the pointer over it |
| 400 | brightens it further. Safari ignores custom properties in |
| 401 | -webkit-backdrop-filter, so it keeps the resting values. A horizontal track's |
| 402 | solid thumb is the selection, so its well is clear. */ |
| 403 | .liquid-glass-tabs-well { |
| 404 | -webkit-backdrop-filter: brightness(1.45); |
| 405 | backdrop-filter: brightness(calc(1 + 0.45 * var(--liquid-glass-tabs-platter, 1))); |
| 406 | box-shadow: 0 1px 3px rgb(0 0 0 / calc(0.3 * var(--liquid-glass-tabs-platter, 1))); |
| 407 | transition: backdrop-filter 180ms ease-out, box-shadow 180ms ease-out; |
| 408 | } |
| 409 | [data-liquid-glass-tabs-hover] > .liquid-glass-tabs-thumb > .liquid-glass-tabs-well { |
| 410 | -webkit-backdrop-filter: brightness(1.7); |
| 411 | backdrop-filter: brightness(calc(1 + 0.7 * var(--liquid-glass-tabs-platter, 1))); |
| 412 | } |
| 413 | /* In dark the well lifts the track's smoky glass toward grey rather than |
| 414 | multiplying its colour back up, so over a colour the selected tab is a paler |
| 415 | tone of the tinted track, as iOS 27's is. Clearer than the default level it |
| 416 | lifts less and pulls toward grey instead (--liquid-glass-tabs-clear, 0 at the |
| 417 | default and above, 1 at More Clear), which still lifts a dark page. */ |
| 418 | [data-liquid-glass-tabs-appearance="dark"] > .liquid-glass-tabs-thumb > .liquid-glass-tabs-well { |
| 419 | --liquid-glass-tabs-clear: clamp(0, 1 - 2 * var(--liquid-glass-level, 0.5), 1); |
| 420 | backdrop-filter: |
| 421 | saturate(calc(1 - 0.3 * var(--liquid-glass-tabs-platter, 1))) |
| 422 | contrast(calc(1 - 0.12 * var(--liquid-glass-tabs-clear) * var(--liquid-glass-tabs-platter, 1))) |
| 423 | brightness(calc(1 + (0.32 - 0.2 * var(--liquid-glass-tabs-clear)) * var(--liquid-glass-tabs-platter, 1))); |
| 424 | } |
| 425 | [data-liquid-glass-tabs-appearance="dark"][data-liquid-glass-tabs-hover] > .liquid-glass-tabs-thumb > .liquid-glass-tabs-well { |
| 426 | -webkit-backdrop-filter: saturate(0.7) brightness(1.5); |
| 427 | backdrop-filter: |
| 428 | saturate(calc(1 - 0.3 * var(--liquid-glass-tabs-platter, 1))) |
| 429 | contrast(calc(1 - 0.12 * var(--liquid-glass-tabs-clear) * var(--liquid-glass-tabs-platter, 1))) |
| 430 | brightness(calc(1 + (0.5 - 0.3 * var(--liquid-glass-tabs-clear)) * var(--liquid-glass-tabs-platter, 1))); |
| 431 | } |
| 432 | [data-liquid-glass-tabs-appearance="light"] > .liquid-glass-tabs-thumb > .liquid-glass-tabs-well { |
| 433 | -webkit-backdrop-filter: brightness(0.92); |
| 434 | backdrop-filter: brightness(calc(1 - 0.08 * var(--liquid-glass-tabs-platter, 1))); |
| 435 | box-shadow: none; |
| 436 | } |
| 437 | [data-liquid-glass-tabs-appearance="light"][data-liquid-glass-tabs-hover] > .liquid-glass-tabs-thumb > .liquid-glass-tabs-well { |
| 438 | -webkit-backdrop-filter: brightness(0.86); |
| 439 | backdrop-filter: brightness(calc(1 - 0.14 * var(--liquid-glass-tabs-platter, 1))); |
| 440 | } |
| 441 | [data-liquid-glass-tabs="horizontal"][data-liquid-glass-tabs-appearance] > .liquid-glass-tabs-thumb > .liquid-glass-tabs-well, |
| 442 | [data-liquid-glass-tabs="horizontal"][data-liquid-glass-tabs-appearance][data-liquid-glass-tabs-hover] > .liquid-glass-tabs-thumb > .liquid-glass-tabs-well { |
| 443 | -webkit-backdrop-filter: none; |
| 444 | backdrop-filter: none; |
| 445 | box-shadow: none; |
| 446 | } |
| 447 | /* Moving, those values change every frame; a transition would only lag them. */ |
| 448 | .liquid-glass-tabs-thumb[data-moving] > .liquid-glass-tabs-well { |
| 449 | transition: none; |
| 450 | } |
| 451 | /* The thumb is a clear lens over the well: the rim bends what is beneath, and the |
| 452 | body leaves it as it is. At rest that is the track under it; lifted, the labels. |
| 453 | In light it darkens a touch once it lifts; in dark its inner glow fades and its |
| 454 | contour lightens away as it lifts, so over dark glass the lens shows by its bend |
| 455 | and its shadow rather than an outline. */ |
| 456 | .liquid-glass-tabs-lens { |
| 457 | isolation: isolate; |
| 458 | z-index: 1; |
| 459 | } |
| 460 | .liquid-glass-tabs-lens .liquid-glass-layer { |
| 461 | transition: backdrop-filter 180ms ease-out; |
| 462 | } |
| 463 | .liquid-glass-tabs-thumb[data-moving] .liquid-glass-tabs-lens .liquid-glass-layer { |
| 464 | transition: none; |
| 465 | } |
| 466 | [data-liquid-glass-tabs-appearance="light"] .liquid-glass-tabs-lens > .liquid-glass > [data-layer="body"] { |
| 467 | backdrop-filter: brightness(calc(1 - 0.05 * var(--liquid-glass-tabs-lift, 0))) !important; |
| 468 | } |
| 469 | [data-liquid-glass-tabs-appearance="dark"] .liquid-glass-tabs-lens > .liquid-glass > [data-layer="glow"] { |
| 470 | backdrop-filter: |
| 471 | saturate(calc(1.1 - 0.1 * var(--liquid-glass-tabs-lift, 0))) |
| 472 | brightness(calc(1.12 - 0.12 * var(--liquid-glass-tabs-lift, 0))) !important; |
| 473 | } |
| 474 | [data-liquid-glass-tabs-appearance="dark"] .liquid-glass-tabs-lens > .liquid-glass > [data-layer="edge"] { |
| 475 | backdrop-filter: brightness(calc(0.66 + 0.34 * var(--liquid-glass-tabs-lift, 0))) !important; |
| 476 | } |
| 477 |
| 478 | /* With more contrast asked for, the sides darken and the edge becomes the |
| 479 | contrasting border Apple gives glass under Increase Contrast. */ |
| 480 | @media (prefers-contrast: more) { |
| 481 | .liquid-glass[data-appearance="dark"] > [data-layer="shade"] { |
| 482 | -webkit-backdrop-filter: brightness(0.1) !important; |
| 483 | backdrop-filter: brightness(0.1) !important; |
| 484 | } |
| 485 | .liquid-glass[data-appearance="light"] > [data-layer="shade"] { |
| 486 | -webkit-backdrop-filter: brightness(0.6) !important; |
| 487 | backdrop-filter: brightness(0.6) !important; |
| 488 | } |
| 489 | .liquid-glass[data-appearance="dark"] > [data-layer="edge"] { |
| 490 | -webkit-backdrop-filter: brightness(0.3) !important; |
| 491 | backdrop-filter: brightness(0.3) !important; |
| 492 | } |
| 493 | .liquid-glass[data-appearance="light"] > [data-layer="edge"] { |
| 494 | -webkit-backdrop-filter: brightness(0.5) !important; |
| 495 | backdrop-filter: brightness(0.5) !important; |
| 496 | } |
| 497 | } |
| 498 | @media (prefers-reduced-transparency: reduce) { |
| 499 | .liquid-glass { |
| 500 | display: none; |
| 501 | } |
| 502 | [data-liquid-glass] { |
| 503 | background: var(--liquid-glass-solid); |
| 504 | } |
| 505 | [data-liquid-glass] .liquid-glass-well { |
| 506 | -webkit-backdrop-filter: none; |
| 507 | backdrop-filter: none; |
| 508 | background: rgb(255 255 255 / 0.05); |
| 509 | } |
| 510 | .liquid-glass-tabs-light, |
| 511 | .liquid-glass-tabs-lens, |
| 512 | .liquid-glass-tabs-fill { |
| 513 | display: none; |
| 514 | } |
| 515 | [data-liquid-glass-tab]::before { |
| 516 | content: none; |
| 517 | } |
| 518 | /* Over the light and hover wells, which are more specific. */ |
| 519 | [data-liquid-glass-tabs] > .liquid-glass-tabs-thumb > .liquid-glass-tabs-well { |
| 520 | -webkit-backdrop-filter: none !important; |
| 521 | backdrop-filter: none !important; |
| 522 | background-color: rgb(255 255 255 / 0.1); |
| 523 | } |
| 524 | } |
| 525 | @media (forced-colors: active) { |
| 526 | .liquid-glass, |
| 527 | .liquid-glass-tabs-fill { |
| 528 | display: none; |
| 529 | } |
| 530 | .liquid-glass-tabs-well { |
| 531 | outline: 1px solid CanvasText; |
| 532 | } |
| 533 | } |
| 534 |