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refactor(css): remove animated login gradient

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Strip the heavy animated multi-layer radial gradient from the login
page. Removes:
- ani-gradient keyframes and 40 @property declarations
- Light and dark theme gradient rules
- Empty #gradient div from login template
- prefers-reduced-motion override that only served the gradient

The login page now uses the plain app background color consistently.
This commit is contained in:
Felix Schneider
2026-04-24 19:00:38 +02:00
parent d7b73fcefe
commit a05a628968
2 changed files with 1 additions and 554 deletions
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553
web/css/pages/app-login.css
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@@ -1,551 +1,4 @@
@layer pages {
@keyframes ani-gradient {
0% {
--s-start-0: 14.489998991212337%;
--s-end-0: 72%;
--x-0: 93%;
--c-0: hsla(212, 0%, 0%, 1);
--y-0: 93%;
--y-1: 9%;
--s-start-1: 0%;
--s-end-1: 45%;
--c-1: hsla(212, 0%, 0%, 1);
--x-1: 26%;
--c-2: hsla(257, 91%, 27%, 0.35);
--s-start-2: 2.9253667596993065%;
--s-end-2: 22.388851682060018%;
--x-2: 15%;
--y-2: 79%;
--c-3: hsla(212, 100%, 50%, 0.5);
--x-3: 40%;
--s-start-3: 3.985353824694249%;
--s-end-3: 47.580278608924694%;
--y-3: 104%;
--x-4: 0%;
--s-start-4: 2.391200382592061%;
--s-end-4: 29.307684556768592%;
--y-4: 60%;
--c-4: hsla(224, 72%, 36%, 1);
--c-5: hsla(248, 52%, 24%, 1);
--s-start-5: 2.9253667596993065%;
--s-end-5: 22.388851682060018%;
--x-5: 92%;
--y-5: 37%;
--c-6: hsla(212, 100%, 50%, 0.19);
--y-6: 16%;
--x-6: 101%;
--s-start-6: 13.173642363290591%;
--s-end-6: 31.747336520355095%;
--s-start-7: 1%;
--s-end-7: 31%;
--y-7: 13%;
--c-7: hsla(227, 98%, 53%, 1);
--x-7: 90%;
--y-8: 56%;
--x-8: 104%;
--c-8: hsla(166, 71%, 60%, 0.32);
--s-start-8: 3.985353824694249%;
--s-end-8: 13.103042116379756%;
--x-9: 97%;
--y-9: 19%;
--s-start-9: 18.597054544690312%;
--s-end-9: 31%;
--c-9: hsla(219, 83%, 23%, 0.18);
}
100% {
--s-start-0: 2.391200382592061%;
--s-end-0: 43.902064173373226%;
--x-0: 7%;
--c-0: hsla(306, 0%, 0%, 1);
--y-0: 9%;
--y-1: 93%;
--s-start-1: 9%;
--s-end-1: 54.805582404585024%;
--c-1: hsla(306, 0%, 0%, 1);
--x-1: 96%;
--c-2: hsla(166, 72%, 60%, 1);
--s-start-2: 3%;
--s-end-2: 26.722813338714598%;
--x-2: -2%;
--y-2: 103%;
--c-3: hsla(180, 100%, 50%, 0.26);
--x-3: 33%;
--s-start-3: 2.391200382592061%;
--s-end-3: 32.0689540200964%;
--y-3: 82%;
--x-4: 37%;
--s-start-4: 4.40642490323111%;
--s-end-4: 37.23528104246256%;
--y-4: 81%;
--c-4: hsla(212, 88%, 26%, 0.58);
--c-5: hsla(271, 98%, 53%, 0.31);
--s-start-5: 3%;
--s-end-5: 32.537089799783296%;
--x-5: 54%;
--y-5: 99%;
--c-6: hsla(262, 100%, 50%, 0.15);
--y-6: 43%;
--x-6: 104%;
--s-start-6: 6%;
--s-end-6: 42.501105312974815%;
--s-start-7: 5%;
--s-end-7: 13.10107024898374%;
--y-7: -16%;
--c-7: hsla(298, 36%, 23%, 1);
--x-7: 104%;
--y-8: 30%;
--x-8: 97%;
--c-8: hsla(180, 100%, 50%, 0.11);
--s-start-8: 2.391200382592061%;
--s-end-8: 27.141813016850573%;
--x-9: 78%;
--y-9: 4%;
--s-start-9: 5%;
--s-end-9: 21.32164536610654%;
--c-9: hsla(219, 83%, 23%, 0.59);
}
}
@property --s-start-0 {
syntax: "<percentage>";
inherits: false;
initial-value: 14.489998991212337%;
}
@property --s-end-0 {
syntax: "<percentage>";
inherits: false;
initial-value: 72%;
}
@property --x-0 {
syntax: "<percentage>";
inherits: false;
initial-value: 93%;
}
@property --c-0 {
syntax: "<color>";
inherits: false;
initial-value: hsla(212, 0%, 0%, 1);
}
@property --y-0 {
syntax: "<percentage>";
inherits: false;
initial-value: 93%;
}
@property --y-1 {
syntax: "<percentage>";
inherits: false;
initial-value: 9%;
}
@property --s-start-1 {
syntax: "<percentage>";
inherits: false;
initial-value: 0%;
}
@property --s-end-1 {
syntax: "<percentage>";
inherits: false;
initial-value: 45%;
}
@property --c-1 {
syntax: "<color>";
inherits: false;
initial-value: hsla(212, 0%, 0%, 1);
}
@property --x-1 {
syntax: "<percentage>";
inherits: false;
initial-value: 26%;
}
@property --c-2 {
syntax: "<color>";
inherits: false;
initial-value: hsla(257, 91%, 27%, 0.35);
}
@property --s-start-2 {
syntax: "<percentage>";
inherits: false;
initial-value: 2.9253667596993065%;
}
@property --s-end-2 {
syntax: "<percentage>";
inherits: false;
initial-value: 22.388851682060018%;
}
@property --x-2 {
syntax: "<percentage>";
inherits: false;
initial-value: 15%;
}
@property --y-2 {
syntax: "<percentage>";
inherits: false;
initial-value: 79%;
}
@property --c-3 {
syntax: "<color>";
inherits: false;
initial-value: hsla(212, 100%, 50%, 0.5);
}
@property --x-3 {
syntax: "<percentage>";
inherits: false;
initial-value: 40%;
}
@property --s-start-3 {
syntax: "<percentage>";
inherits: false;
initial-value: 3.985353824694249%;
}
@property --s-end-3 {
syntax: "<percentage>";
inherits: false;
initial-value: 47.580278608924694%;
}
@property --y-3 {
syntax: "<percentage>";
inherits: false;
initial-value: 104%;
}
@property --x-4 {
syntax: "<percentage>";
inherits: false;
initial-value: 0%;
}
@property --s-start-4 {
syntax: "<percentage>";
inherits: false;
initial-value: 2.391200382592061%;
}
@property --s-end-4 {
syntax: "<percentage>";
inherits: false;
initial-value: 29.307684556768592%;
}
@property --y-4 {
syntax: "<percentage>";
inherits: false;
initial-value: 60%;
}
@property --c-4 {
syntax: "<color>";
inherits: false;
initial-value: hsla(224, 72%, 36%, 1);
}
@property --c-5 {
syntax: "<color>";
inherits: false;
initial-value: hsla(248, 52%, 24%, 1);
}
@property --s-start-5 {
syntax: "<percentage>";
inherits: false;
initial-value: 2.9253667596993065%;
}
@property --s-end-5 {
syntax: "<percentage>";
inherits: false;
initial-value: 22.388851682060018%;
}
@property --x-5 {
syntax: "<percentage>";
inherits: false;
initial-value: 92%;
}
@property --y-5 {
syntax: "<percentage>";
inherits: false;
initial-value: 37%;
}
@property --c-6 {
syntax: "<color>";
inherits: false;
initial-value: hsla(212, 100%, 50%, 0.19);
}
@property --y-6 {
syntax: "<percentage>";
inherits: false;
initial-value: 16%;
}
@property --x-6 {
syntax: "<percentage>";
inherits: false;
initial-value: 101%;
}
@property --s-start-6 {
syntax: "<percentage>";
inherits: false;
initial-value: 13.173642363290591%;
}
@property --s-end-6 {
syntax: "<percentage>";
inherits: false;
initial-value: 31.747336520355095%;
}
@property --s-start-7 {
syntax: "<percentage>";
inherits: false;
initial-value: 1%;
}
@property --s-end-7 {
syntax: "<percentage>";
inherits: false;
initial-value: 31%;
}
@property --y-7 {
syntax: "<percentage>";
inherits: false;
initial-value: 13%;
}
@property --c-7 {
syntax: "<color>";
inherits: false;
initial-value: hsla(227, 98%, 53%, 1);
}
@property --x-7 {
syntax: "<percentage>";
inherits: false;
initial-value: 90%;
}
@property --y-8 {
syntax: "<percentage>";
inherits: false;
initial-value: 56%;
}
@property --x-8 {
syntax: "<percentage>";
inherits: false;
initial-value: 104%;
}
@property --c-8 {
syntax: "<color>";
inherits: false;
initial-value: hsla(166, 71%, 60%, 0.32);
}
@property --s-start-8 {
syntax: "<percentage>";
inherits: false;
initial-value: 3.985353824694249%;
}
@property --s-end-8 {
syntax: "<percentage>";
inherits: false;
initial-value: 13.103042116379756%;
}
@property --x-9 {
syntax: "<percentage>";
inherits: false;
initial-value: 97%;
}
@property --y-9 {
syntax: "<percentage>";
inherits: false;
initial-value: 19%;
}
@property --s-start-9 {
syntax: "<percentage>";
inherits: false;
initial-value: 18.597054544690312%;
}
@property --s-end-9 {
syntax: "<percentage>";
inherits: false;
initial-value: 31%;
}
@property --c-9 {
syntax: "<color>";
inherits: false;
initial-value: hsla(219, 83%, 23%, 0.18);
}
#gradient {
position: fixed;
left: 0;
top: 0;
width: 100%;
height: 100%;
z-index: -1;
pointer-events: none;
opacity: 0.85;
}
html[data-theme="light"] #gradient {
background-color: hsla(333, 0%, 100%, 1);
background-image:
radial-gradient(
circle at 0% 0%,
hsla(64, 82%, 77%, 0.35) 3.1210986267166043%,
transparent 40%
),
radial-gradient(
circle at 20% 0%,
hsla(5, 77%, 74%, 0.35) 3.1210986267166043%,
transparent 40%
),
radial-gradient(
circle at 40% 0%,
hsla(315, 77%, 74%, 0.35) 3.1210986267166043%,
transparent 40%
),
radial-gradient(
circle at 60% 0%,
hsla(256, 77%, 74%, 0.35) 3.1210986267166043%,
transparent 40%
),
radial-gradient(
circle at 80% 0%,
hsla(191, 77%, 74%, 0.35) 3.1210986267166043%,
transparent 40%
),
radial-gradient(
circle at 100% 0%,
hsla(152, 77%, 74%, 0.35) 3%,
transparent 40%
);
background-blend-mode: normal, normal, normal, normal, normal, normal;
opacity: 0.62;
}
html[data-theme="dark"] #gradient {
--x-0: 93%;
--c-0: hsla(212, 0%, 0%, 1);
--y-0: 93%;
--y-1: 9%;
--c-1: hsla(212, 0%, 0%, 1);
--x-1: 26%;
--c-2: hsla(257, 91%, 27%, 0.35);
--x-2: 15%;
--y-2: 79%;
--c-3: hsla(212, 100%, 50%, 0.5);
--x-3: 40%;
--y-3: 104%;
--x-4: 0%;
--y-4: 60%;
--c-4: hsla(224, 72%, 36%, 1);
--c-5: hsla(248, 52%, 24%, 1);
--x-5: 92%;
--y-5: 37%;
--c-6: hsla(212, 100%, 50%, 0.19);
--y-6: 16%;
--x-6: 101%;
--y-7: 13%;
--c-7: hsla(227, 98%, 53%, 1);
--x-7: 90%;
--y-8: 56%;
--x-8: 104%;
--c-8: hsla(166, 71%, 60%, 0.32);
--x-9: 97%;
--y-9: 19%;
--c-9: hsla(219, 83%, 23%, 0.18);
background-color: hsla(305, 0%, 0%, 1);
background-image:
radial-gradient(
circle at var(--x-0) var(--y-0),
var(--c-0) var(--s-start-0),
transparent var(--s-end-0)
),
radial-gradient(
circle at var(--x-1) var(--y-1),
var(--c-1) var(--s-start-1),
transparent var(--s-end-1)
),
radial-gradient(
circle at var(--x-2) var(--y-2),
var(--c-2) var(--s-start-2),
transparent var(--s-end-2)
),
radial-gradient(
circle at var(--x-3) var(--y-3),
var(--c-3) var(--s-start-3),
transparent var(--s-end-3)
),
radial-gradient(
circle at var(--x-4) var(--y-4),
var(--c-4) var(--s-start-4),
transparent var(--s-end-4)
),
radial-gradient(
circle at var(--x-5) var(--y-5),
var(--c-5) var(--s-start-5),
transparent var(--s-end-5)
),
radial-gradient(
circle at var(--x-6) var(--y-6),
var(--c-6) var(--s-start-6),
transparent var(--s-end-6)
),
radial-gradient(
circle at var(--x-7) var(--y-7),
var(--c-7) var(--s-start-7),
transparent var(--s-end-7)
),
radial-gradient(
circle at var(--x-8) var(--y-8),
var(--c-8) var(--s-start-8),
transparent var(--s-end-8)
),
radial-gradient(
circle at var(--x-9) var(--y-9),
var(--c-9) var(--s-start-9),
transparent var(--s-end-9)
);
animation: ani-gradient 24s linear infinite alternate;
background-blend-mode:
normal, normal, normal, normal, normal, normal, normal, normal, normal,
normal;
will-change: transform, opacity;
contain: paint;
}
.login-card header {
background: transparent;
}
@@ -877,12 +330,6 @@
cursor: wait;
}
@media (prefers-reduced-motion: reduce) {
html[data-theme="dark"] #gradient {
animation: none;
}
}
@media (min-width: 600px) {
main.login-main {
min-height: 90vh;