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Extract glass system into shared CSS utilities and design tokens

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Centralize all hardcoded rgba color values into CSS custom properties
and extract glass/glow styles into reusable utility classes (.glass,
.glass-inner, .glow-border, .glow-border--animated) in main.css.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
nitrix
2026-03-09 18:35:36 +01:00
parent 29974704d0
commit 019ead7be3
7 changed files with 133 additions and 55 deletions
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83
frontend/src/assets/main.css
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@@ -16,9 +16,26 @@
--color-text-on-gradient: #ffffff;
--color-surface: #fff5f8;
--color-card: #ffffff;
--color-dark-base: #1B1730;
/* Glass system */
--color-glass: rgba(255, 255, 255, 0.1);
--color-glass-strong: rgba(255, 255, 255, 0.15);
--color-glass-subtle: rgba(255, 255, 255, 0.05);
--color-glass-border: rgba(255, 255, 255, 0.18);
--color-glass-border-hover: rgba(255, 255, 255, 0.3);
--color-glass-hover: rgba(255, 255, 255, 0.18);
--color-glass-inner: rgba(27, 23, 48, 0.55);
--color-glass-overlay: rgba(27, 23, 48, 0.4);
/* Text on gradient (opacity variants) */
--color-text-muted: rgba(255, 255, 255, 0.5);
--color-text-secondary: rgba(255, 255, 255, 0.7);
--color-text-soft: rgba(255, 255, 255, 0.85);
--color-text-bright: rgba(255, 255, 255, 0.9);
/* Glow border */
--gradient-glow: conic-gradient(from 135deg, var(--color-gradient-start), var(--color-gradient-mid), var(--color-gradient-end), var(--color-gradient-start));
/* Gradient */
--gradient-primary: linear-gradient(135deg, #f06292 0%, #ab47bc 50%, #5c6bc0 100%);
@@ -63,7 +80,7 @@ html {
body {
min-height: 100vh;
background-color: #1B1730;
background-color: var(--color-dark-base);
position: relative;
}
@@ -71,7 +88,7 @@ body::before {
content: '';
position: fixed;
inset: 0;
background-color: #1B1730;
background-color: var(--color-dark-base);
background-image:
radial-gradient(at 70% 20%, rgba(240, 98, 146, 0.55) 0px, transparent 50%),
radial-gradient(at 25% 50%, rgba(171, 71, 188, 0.5) 0px, transparent 55%),
@@ -194,6 +211,68 @@ textarea.form-field {
100% { background-position: -200% 0; }
}
/* ── Glass System ── */
/* Glass surface: passive containers on gradient (cards, icon boxes) */
.glass {
background: linear-gradient(135deg, var(--color-glass-strong) 0%, var(--color-glass-subtle) 100%);
border: 1px solid var(--color-glass-border);
box-shadow: var(--shadow-card);
backdrop-filter: blur(16px);
-webkit-backdrop-filter: blur(16px);
}
.glass:hover {
background: var(--color-glass-hover);
border-color: var(--color-glass-border-hover);
}
/* Glass interactive inner: dark translucent fill for interactive elements (FAB, CTA) */
.glass-inner {
background: var(--color-glass-inner);
backdrop-filter: blur(16px);
-webkit-backdrop-filter: blur(16px);
}
/* Glow border: conic gradient wrapper with halo (static) */
.glow-border {
background: var(--gradient-glow);
padding: 2px;
position: relative;
}
.glow-border::before {
content: '';
position: absolute;
inset: -4px;
border-radius: inherit;
background: var(--gradient-glow);
filter: blur(8px);
opacity: 0.3;
z-index: -1;
}
/* Glow border animated variant */
@property --glow-angle {
syntax: '<angle>';
initial-value: 0deg;
inherits: false;
}
.glow-border--animated {
background: conic-gradient(from var(--glow-angle), var(--color-gradient-start), var(--color-gradient-mid), var(--color-gradient-end), var(--color-gradient-start));
animation: glow-rotate 4s linear infinite;
}
.glow-border--animated::before {
background: conic-gradient(from var(--glow-angle), var(--color-gradient-start), var(--color-gradient-mid), var(--color-gradient-end), var(--color-gradient-start));
animation: glow-rotate 4s linear infinite;
}
@keyframes glow-rotate {
to { --glow-angle: 360deg; }
}
/* Utility */
.text-center {
text-align: center;