        @keyframes float {
            0%, 100% { transform: translateY(0) }
            50% { transform: translateY(-15px) }
        }
        
        @keyframes shimmer {
            0% { background-position: 200% center }
            100% { background-position: -200% center }
        }
        
        @keyframes rise {
            0% { transform: translateY(100vh) scale(0); opacity: 0 }
            10% { opacity: 0.3 }
            90% { opacity: 0.3 }
            100% { transform: translateY(-100vh) scale(1); opacity: 0 }
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1) }
            50% { transform: scale(1.05) }
        }
        
        @keyframes gradientShift {
            0%, 100% { background-position: 0% 50% }
            50% { background-position: 100% 50% }
        }
        
        @keyframes glow {
            0%, 100% { box-shadow: 0 0 20px rgba(208, 0, 255, 0.1), 0 0 40px rgba(208, 0, 255, 0.05) }
            50% { box-shadow: 0 0 30px rgba(208, 0, 255, 0.2), 0 0 60px rgba(208, 0, 255, 0.1) }
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
            background: #0a0a0a;
            background-image: 
                radial-gradient(circle at 15% 50%, rgba(208, 0, 255, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 85% 30%, rgba(208, 0, 255, 0.05) 0%, transparent 40%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            overflow: hidden;
            position: relative;
        }
        
        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 50%, rgba(208, 0, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(208, 0, 255, 0.08) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
            animation: gradientShift 15s ease infinite;
        }
        
        .lang-switcher {
            position: absolute;
            top: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 12px;
            z-index: 10;
            background: rgba(208, 0, 255, 0.03);
            padding: 8px;
            backdrop-filter: blur(20px);
            border: 1px solid rgba(208, 0, 255, 0.1);
        }
        
        .lang-switcher a {
            padding: 10px 18px;
            background: rgba(208, 0, 255, 0.05);
            border: 1px solid rgba(208, 0, 255, 0.15);
            color: #fff;
            text-decoration: none;
            font-size: 0.9em;
            transition: all 0.4s ease;
            backdrop-filter: blur(10px);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .lang-switcher a:hover,
        .lang-switcher a.active {
            background: rgba(208, 0, 255, 0.15);
            border-color: rgba(208, 0, 255, 0.4);
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 5px 20px rgba(208, 0, 255, 0.2);
        }
        
        .login-container {
            text-align: center;
            z-index: 1;
            animation: float 4s ease-in-out infinite;
            max-width: 600px;
            padding: 40px;
            background: rgba(10, 10, 10, 0.7);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(208, 0, 255, 0.15);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
        }
        
        .logo-image {
            width: 180px;
            height: auto;
            margin-bottom: 30px;
            display: block;
            margin-left: auto;
            margin-right: auto;
            filter: drop-shadow(0 10px 30px rgba(208, 0, 255, 0.3));
            animation: pulse 3s ease-in-out infinite;
        }
        
        .title {
            font-size: 3.5rem;
            font-weight: 900;
            letter-spacing: 4px;
            margin-bottom: 15px;
            background: #D000FF;
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: shimmer 4s linear infinite;
            text-shadow: 0 0 40px rgba(208, 0, 255, 0.5);
        }
        
        .subtitle {
            font-size: 1.2rem;
            /* color: #999; */
            color: #D000FF;
            margin-bottom: 50px;
            letter-spacing: 2px;
            font-weight: 300;
        }
        
        a.login {
            display: inline-block;
            padding: 20px 60px;
            background: linear-gradient(135deg, rgba(208, 0, 255, 0.7), rgba(160, 0, 204, 0.7));
            border: 2px solid rgba(208, 0, 255, 0.3);
            text-decoration: none;
            color: #fff;
            font-weight: 700;
            font-size: 1.15rem;
            position: relative;
            overflow: hidden;
            transition: all 0.4s ease;
            backdrop-filter: blur(20px);
            box-shadow: 0 10px 40px rgba(208, 0, 255, 0.3);
            animation: glow 3s ease-in-out infinite;
        }
        
        a.login::before {
            content: "";
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(208, 0, 255, 0.3), transparent);
            transition: left 0.6s;
        }
        
        a.login:hover {
            /* transform: translateY(-5px) scale(1.05); */
            background: linear-gradient(135deg, rgba(208, 0, 255, 0.9), rgba(160, 0, 204, 0.9));
            border-color: rgba(208, 0, 255, 0.5);
            /* box-shadow: 0 15px 50px rgba(208, 0, 255, 0.5); */
        }
        
        a.login:hover::before {
            left: 100%;
        }
        
        .particles {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
            overflow: hidden;
        }
        
        .particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: rgba(208, 0, 255, 0.6);
            box-shadow: 0 0 10px rgba(208, 0, 255, 0.8);
            animation: rise 12s linear infinite;
        }
        
        .particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 10s }
        .particle:nth-child(2) { left: 25%; animation-delay: 2s; animation-duration: 12s }
        .particle:nth-child(3) { left: 40%; animation-delay: 1s; animation-duration: 11s }
        .particle:nth-child(4) { left: 55%; animation-delay: 3s; animation-duration: 13s }
        .particle:nth-child(5) { left: 70%; animation-delay: 1.5s; animation-duration: 9s }
        .particle:nth-child(6) { left: 85%; animation-delay: 2.5s; animation-duration: 11s }
        .particle:nth-child(7) { left: 15%; animation-delay: 4s; animation-duration: 14s }
        .particle:nth-child(8) { left: 35%; animation-delay: 0.5s; animation-duration: 8s }
        .particle:nth-child(9) { left: 65%; animation-delay: 3.5s; animation-duration: 10s }
        .particle:nth-child(10) { left: 90%; animation-delay: 1.2s; animation-duration: 11s }