feat(splashscreen): implement a splash screen for application startup
This commit introduces a splash screen that enhances the user experience during application startup. It includes a new HTML file for the splash screen layout and a corresponding icon. The main application logic has been updated to close the splash screen once the main application is ready. - Added a splash screen HTML and icon for improved visual feedback - Updated main application logic to manage splash screen visibility - Enhanced title bar branding with an image instead of SVG
This commit is contained in:
Christoph Brandau
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>GitLite</title>
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<style>
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:root {
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color-scheme: dark;
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--ink: #f3f5ff;
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--muted: #9aa3c5;
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--purple: #9b70ff;
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--orange: #ff6d26;
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--panel: rgba(15, 18, 31, 0.9);
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font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
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}
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* {
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box-sizing: border-box;
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}
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html,
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body {
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width: 100%;
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height: 100%;
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margin: 0;
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overflow: hidden;
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background: #050712;
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}
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body {
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display: grid;
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place-items: center;
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background:
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radial-gradient(circle at 50% 38%, rgba(137, 92, 255, 0.22), transparent 36%),
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linear-gradient(135deg, #050712 0%, #080b16 48%, #140b18 100%);
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}
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.grid {
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position: fixed;
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inset: 0;
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opacity: 0.28;
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background-image:
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linear-gradient(rgba(151, 118, 255, 0.12) 1px, transparent 1px),
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linear-gradient(90deg, rgba(255, 109, 38, 0.08) 1px, transparent 1px);
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background-size: 42px 42px;
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mask-image: radial-gradient(circle at center, black 0%, transparent 70%);
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animation: grid-drift 10s linear infinite;
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}
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.splash {
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position: relative;
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display: grid;
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justify-items: center;
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gap: 16px;
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width: 100vw;
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height: 100vh;
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align-content: center;
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padding: 32px;
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border: 0;
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border-radius: 0;
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background:
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linear-gradient(180deg, rgba(23, 26, 43, 0.92), rgba(12, 15, 27, 0.94)),
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var(--panel);
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box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
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overflow: hidden;
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}
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.splash::before {
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content: "";
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position: absolute;
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inset: 0;
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background: linear-gradient(110deg, transparent 0%, rgba(160, 124, 255, 0.12) 48%, transparent 54%);
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transform: translateX(-100%);
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animation: card-scan 2.8s ease-in-out infinite;
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}
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.mark {
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position: relative;
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display: grid;
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place-items: center;
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width: 174px;
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height: 174px;
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isolation: isolate;
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}
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.halo {
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position: absolute;
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inset: 10px;
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border: 1px solid rgba(151, 118, 255, 0.25);
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border-radius: 36px;
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transform: rotate(45deg);
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animation: halo-breathe 2.4s ease-in-out infinite;
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}
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.halo.secondary {
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inset: 25px;
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border-color: rgba(255, 109, 38, 0.28);
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animation-direction: reverse;
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}
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.traces {
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position: absolute;
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inset: -18px;
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width: 210px;
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height: 210px;
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overflow: visible;
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}
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.trace {
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fill: none;
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stroke-width: 3;
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stroke-linecap: round;
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stroke-dasharray: 165;
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stroke-dashoffset: 165;
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filter: drop-shadow(0 0 8px rgba(151, 118, 255, 0.55));
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animation: trace-draw 2.6s ease-in-out infinite;
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}
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.trace.main {
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stroke: var(--purple);
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}
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.trace.branch {
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stroke: var(--orange);
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animation-delay: 0.28s;
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}
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.trace.base {
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stroke: rgba(255, 255, 255, 0.42);
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stroke-dasharray: 128;
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stroke-dashoffset: 128;
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animation-delay: 0.55s;
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}
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.icon {
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position: relative;
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z-index: 1;
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width: 136px;
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height: 136px;
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object-fit: contain;
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filter:
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drop-shadow(0 18px 24px rgba(0, 0, 0, 0.55))
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drop-shadow(0 0 18px rgba(151, 118, 255, 0.3));
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animation: icon-float 2.4s ease-in-out infinite;
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}
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.sheen {
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position: absolute;
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z-index: 2;
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width: 112px;
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height: 172px;
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border-radius: 50%;
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background: linear-gradient(90deg, transparent 8%, rgba(255, 255, 255, 0.18), transparent 72%);
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mix-blend-mode: screen;
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transform: translateX(-98px) rotate(16deg);
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animation: icon-sheen 2.8s ease-in-out infinite;
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}
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.copy {
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position: relative;
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display: grid;
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gap: 4px;
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justify-items: center;
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text-align: center;
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}
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.copy strong {
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color: var(--ink);
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font-size: 22px;
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font-weight: 900;
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line-height: 1;
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}
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.copy span {
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color: var(--muted);
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font-size: 12.5px;
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font-weight: 700;
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}
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.bar {
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position: relative;
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width: 230px;
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height: 4px;
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margin-top: 2px;
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overflow: hidden;
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border-radius: 999px;
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background: rgba(151, 118, 255, 0.14);
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}
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.bar span {
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position: absolute;
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inset: 0;
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width: 46%;
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border-radius: inherit;
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background: linear-gradient(90deg, transparent, var(--purple) 40%, var(--orange) 74%, transparent);
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box-shadow: 0 0 16px rgba(255, 109, 38, 0.32);
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animation: bar-slide 1.35s ease-in-out infinite;
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}
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@keyframes grid-drift {
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to { transform: translate3d(42px, 42px, 0); }
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}
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@keyframes card-scan {
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0%, 34% { transform: translateX(-100%); }
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72%, 100% { transform: translateX(100%); }
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}
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@keyframes icon-float {
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0%, 100% { transform: translateY(0) scale(1); }
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50% { transform: translateY(-5px) scale(1.015); }
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}
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@keyframes icon-sheen {
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0%, 18% { transform: translateX(-98px) rotate(16deg); opacity: 0; }
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44% { opacity: 0.9; }
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68%, 100% { transform: translateX(98px) rotate(16deg); opacity: 0; }
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}
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@keyframes halo-breathe {
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0%, 100% { opacity: 0.35; transform: rotate(45deg) scale(0.95); }
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50% { opacity: 0.8; transform: rotate(45deg) scale(1.04); }
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}
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@keyframes trace-draw {
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0% { stroke-dashoffset: 165; opacity: 0; }
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36% { opacity: 1; }
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64%, 100% { stroke-dashoffset: 0; opacity: 0.72; }
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}
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@keyframes bar-slide {
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0% { transform: translateX(-120%); }
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100% { transform: translateX(320%); }
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}
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@media (prefers-reduced-motion: reduce) {
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.grid,
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.splash::before,
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.halo,
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.trace,
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.icon,
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.sheen,
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.bar span {
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animation: none;
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}
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.trace {
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stroke-dashoffset: 0;
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opacity: 0.72;
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}
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}
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</style>
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</head>
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<body>
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<div class="grid" aria-hidden="true"></div>
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<main class="splash" role="status" aria-live="polite">
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<div class="mark" aria-hidden="true">
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<span class="halo"></span>
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<span class="halo secondary"></span>
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<svg class="traces" viewBox="0 0 220 220">
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<path class="trace main" d="M28 154 C72 114, 88 108, 110 110 S156 116, 192 68" />
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<path class="trace branch" d="M62 74 C100 88, 126 124, 158 166" />
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<path class="trace base" d="M46 180 L174 180" />
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</svg>
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<img class="icon" src="/splash-icon.png" alt="" />
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<span class="sheen"></span>
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</div>
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<div class="copy">
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<strong>GitLite</strong>
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<span>Starting workspace</span>
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</div>
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<div class="bar" aria-hidden="true"><span></span></div>
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</main>
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</body>
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</html>
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