* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0a0a0a;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
        }

        /* Animated background particles */
        .bg-particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            z-index: 0;
        }

        .particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: float 15s infinite;
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0) translateX(0);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100vh) translateX(50px);
                opacity: 0;
            }
        }

        /* Main container */
        .loading-container {
            position: relative;
            z-index: 1;
            width: 90%;
            max-width: 500px;
            text-align: center;
        }

        /* Logo/Icon area */
        .logo-area {
            margin-bottom: 40px;
        }

        .logo-circle {
            width: 80px;
            height: 80px;
            margin: 0 auto;
            border: 2px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            animation: pulse 2s ease-in-out infinite;
        }

        .logo-circle::before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            border: 2px solid transparent;
            border-top-color: #ffffff;
            animation: rotate 1.5s linear infinite;
        }

        .logo-inner {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, #ffffff 0%, #888888 100%);
            border-radius: 8px;
            animation: float-inner 3s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.05);
                opacity: 0.8;
            }
        }

        @keyframes rotate {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }

        @keyframes float-inner {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-5px);
            }
        }

        /* Text */
        .loading-text {
            color: #ffffff;
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .loading-subtext {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            margin-bottom: 40px;
            font-weight: 400;
        }

        /* Progress bar container */
        .progress-container {
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            overflow: hidden;
            height: 8px;
            position: relative;
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        /* Progress bar fill */
        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, #ffffff 0%, #e0e0e0 100%);
            border-radius: 10px;
            width: 0%;
            transition: width 0.3s ease;
            position: relative;
            box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
        }

        .progress-bar::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, 
                transparent 0%, 
                rgba(255, 255, 255, 0.4) 50%, 
                transparent 100%);
            animation: shimmer 2s infinite;
        }

        @keyframes shimmer {
            0% {
                transform: translateX(-100%);
            }
            100% {
                transform: translateX(100%);
            }
        }

        /* Percentage display */
        .percentage {
            color: #ffffff;
            font-size: 48px;
            font-weight: 700;
            margin-top: 30px;
            letter-spacing: -1px;
        }

        .percentage-label {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
            margin-top: 8px;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        /* Decorative lines */
        .deco-line {
            position: absolute;
            height: 1px;
            background: linear-gradient(90deg, 
                transparent 0%, 
                rgba(255, 255, 255, 0.2) 50%, 
                transparent 100%);
        }

        .deco-line-top {
            top: 20%;
            left: 0;
            right: 0;
            animation: slide-right 3s ease-in-out infinite;
        }

        .deco-line-bottom {
            bottom: 20%;
            left: 0;
            right: 0;
            animation: slide-left 3s ease-in-out infinite;
        }

        @keyframes slide-right {
            0%, 100% {
                transform: translateX(-100%);
            }
            50% {
                transform: translateX(100%);
            }
        }

        @keyframes slide-left {
            0%, 100% {
                transform: translateX(100%);
            }
            50% {
                transform: translateX(-100%);
            }
        }