* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: radial-gradient(circle at center, #0b0f19 0%, #020408 100%); color: #f8fafc; font-family: system-ui, -apple-system, sans-serif; overflow-x: hidden; position: relative; min-height: 100vh; display: flex; justify-content: center; align-items: center; }
#space { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.app-layout { position: relative; z-index: 10; display: grid; grid-template-columns: 1fr 1fr; gap: 30px; width: 95%; max-width: 1000px; padding: 20px; }
@media(max-width:768px){.app-layout{grid-template-columns:1fr;}}
.sidebarleft, .sidebarright { display: flex; flex-direction: column; gap: 30px; }
.card { background: rgba(15, 23, 42, 0.4); border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 20px; padding: 35px; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: 0 20px 40px rgba(0,0,0,0.5); }
.neon-title { font-size: 2.4rem; font-weight: 800; background: linear-gradient(135deg, #00f5d4, #00bbf9); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 15px; }
.status { font-size: 1rem; color: #94a3b8; display: flex; align-items: center; }
.status-dot { width: 8px; height: 8px; background-color: #00f5d4; border-radius: 50%; margin-right: 10px; box-shadow: 0 0 12px #00f5d4; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.2); opacity: 1; } }
h2 { font-size: 1.4rem; color: #00f5d4; margin-bottom: 20px; font-weight: 700; }
.features-list { list-style: none; }
.feature-item { font-size: 1rem; color: #cbd5e1; margin-bottom: 14px; padding-left: 20px; position: relative; line-height: 1.5; }
.feature-item::before { content: "✦"; position: absolute; left: 0; color: #00bbf9; }
.tech-desc, .download-info { font-size: 1rem; color: #cbd5e1; line-height: 1.6; margin-bottom: 20px; }
.tech-tags { display: flex; gap: 10px; }
.tag { background: rgba(0, 187, 249, 0.1); border: 1px solid rgba(0, 187, 249, 0.3); color: #00bbf9; padding: 6px 14px; border-radius: 12px; font-size: 0.85rem; font-weight: 600; }
.cosmic-btn { background: #00bbf9; color: #020408; border: none; padding: 14px 28px; font-size: 1rem; font-weight: 700; border-radius: 14px; cursor: pointer; transition: all 0.2s ease; width: 100%; text-transform: uppercase; letter-spacing: 0.5px; }
.cosmic-btn:hover { background: #00f5d4; transform: translateY(-2px); box-shadow: 0 0 20px rgba(0, 245, 212, 0.4); }
.star { position: absolute; background: #fff; border-radius: 50%; animation: twinkle 3s linear infinite; }
@keyframes twinkle { 0%, 100% { opacity: 0.2; } 50% { opacity: 1; } }
.comet { position: absolute; width: 3px; height: 3px; background: linear-gradient(90deg, #fff, transparent); animation: fly 1.2s linear forwards; }
@keyframes fly { 0% { transform: translate(0,0) rotate(-45deg) scale(0); opacity: 1; } 100% { transform: translate(-500px,500px) rotate(-45deg) scale(1); opacity: 0; } }
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(2,4,8,0.85); z-index: 100; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); justify-content: center; align-items: center; }
.modal-content { background: #0f172a; padding: 35px; border-radius: 24px; width: 90%; max-width: 500px; border: 1px solid rgba(255,255,255,0.1); }
.modal-content h3 { font-size: 1.3rem; color: #f8fafc; margin-bottom: 15px; }
.license-text { background: #020408; padding: 15px; border-radius: 12px; height: 200px; overflow-y: auto; font-family: monospace; font-size: 0.85rem; margin-bottom: 20px; text-align: left; white-space: pre-wrap; color: #94a3b8; border: 1px solid rgba(255,255,255,0.05); }
.agree-block { margin-bottom: 25px; text-align: left; }
.checkbox-container { display: flex; align-items: center; gap: 10px; font-size: 0.95rem; color: #cbd5e1; cursor: pointer; }
.modal-buttons { display: flex; justify-content: flex-end; gap: 12px; }
.modal-btn { padding: 12px 24px; border-radius: 12px; cursor: pointer; border: none; font-size: 0.95rem; font-weight: 600; transition: all 0.2s; }
.modal-btn.primary { background: #00bbf9; color: #020408; }
.modal-btn.primary:disabled { background: #1e293b; color: #475569; cursor: not-allowed; }
.modal-btn.secondary { background: transparent; border: 1px solid #334155; color: #94a3b8; }
.modal-btn.secondary:hover { background: rgba(255,255,255,0.05); }