feat: initial import of Gitea Cyber theme and brand assets

assets/css/custom.css

@@ -0,0 +1,98 @@
+/* Gitea Custom Cyber Theme */
+body {
+    background: #0f172a url('/assets/img/cyber_bg.jpg') no-repeat center center fixed !important;
+    background-size: cover !important;
+}
+
+/* Make main containers glassmorphism */
+.ui.container,
+.full.height,
+.page-content {
+    background: transparent !important;
+}
+
+.repository.file.list,
+.ui.segment,
+.ui.attached.segment,
+.ui.menu,
+.ui.card,
+.box {
+    background: rgba(15, 23, 42, 0.7) !important;
+    backdrop-filter: blur(12px) !important;
+    -webkit-backdrop-filter: blur(12px) !important;
+    border: 1px solid rgba(59, 130, 246, 0.3) !important;
+    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5) !important;
+}
+
+/* Navbar / Header */
+.ui.top.menu {
+    background: rgba(10, 15, 30, 0.8) !important;
+    backdrop-filter: blur(16px) !important;
+    border-bottom: 1px solid rgba(59, 130, 246, 0.4) !important;
+}
+
+/* Neon Text Accents */
+a, .ui.breadcrumb a {
+    color: #4ade80 !important; /* Neon Green */
+    text-shadow: 0 0 8px rgba(74, 222, 128, 0.4);
+    transition: all 0.3s ease;
+}
+
+a:hover {
+    color: #60a5fa !important; /* Neon Blue */
+    text-shadow: 0 0 12px rgba(96, 165, 250, 0.6);
+}
+
+/* Primary Buttons */
+.ui.primary.button, .ui.green.button {
+    background: linear-gradient(135deg, #22c55e 0%, #10b981 100%) !important;
+    border: none !important;
+    box-shadow: 0 0 15px rgba(34, 197, 94, 0.4) !important;
+    color: #fff !important;
+    border-radius: 8px !important;
+}
+
+.ui.primary.button:hover, .ui.green.button:hover {
+    box-shadow: 0 0 25px rgba(34, 197, 94, 0.7) !important;
+    transform: translateY(-1px);
+}
+
+/* Secondary Buttons */
+.ui.basic.button, .ui.button {
+    background: rgba(59, 130, 246, 0.1) !important;
+    border: 1px solid rgba(59, 130, 246, 0.5) !important;
+    color: #93c5fd !important;
+}
+
+.ui.basic.button:hover, .ui.button:hover {
+    background: rgba(59, 130, 246, 0.2) !important;
+    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4) !important;
+}
+
+/* Form Inputs */
+input, textarea, .ui.input>input {
+    background: rgba(0, 0, 0, 0.4) !important;
+    border: 1px solid rgba(59, 130, 246, 0.3) !important;
+    color: #e2e8f0 !important;
+    border-radius: 6px !important;
+}
+
+input:focus, textarea:focus, .ui.input>input:focus {
+    border-color: #4ade80 !important;
+    box-shadow: 0 0 10px rgba(74, 222, 128, 0.3) !important;
+}
+
+/* Footers */
+footer {
+    background: rgba(10, 15, 30, 0.8) !important;
+    backdrop-filter: blur(10px) !important;
+    border-top: 1px solid rgba(59, 130, 246, 0.3) !important;
+}
+
+/* Fix logo size since we use jpg for svg */
+.brand.logo, img.logo {
+    border-radius: 8px;
+    box-shadow: 0 0 15px rgba(59, 130, 246, 0.5);
+    height: 32px !important;
+    width: auto !important;
+}