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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #1a2a6c, #2d5ba9, #3a86ff);
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            color: #333;
        }

        .preloader-container {
            text-align: center;
            background-color: rgba(255, 255, 255, 0.95);
            padding: 50px 40px;
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
            max-width: 500px;
            width: 90%;
            animation: fadeIn 1s ease-out;
            position: relative;
            overflow: hidden;
        }

        .preloader-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, #1a2a6c, #3a86ff, #1a2a6c);
        }

        .logo {
            margin-bottom: 25px;
        }

        .logo-text {
            font-size: 36px;
            font-weight: 800;
            color: #1a2a6c;
            margin-bottom: 8px;
            letter-spacing: 1.5px;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .logo-subtext {
            font-size: 18px;
            color: #3a86ff;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .tagline {
            font-size: 16px;
            color: #666;
            margin-bottom: 35px;
            font-style: italic;
        }

        .loading-container {
            position: relative;
            margin: 30px auto;
            width: 140px;
            height: 140px;
        }

        .loading-icon {
            width: 100%;
            height: 100%;
            border: 10px solid rgba(58, 134, 255, 0.2);
            border-top: 10px solid #3a86ff;
            border-radius: 50%;
            animation: spin 1.8s linear infinite;
            box-shadow: 0 0 20px rgba(58, 134, 255, 0.3);
        }

        .loading-icon-inner {
            position: absolute;
            top: 25px;
            left: 25px;
            width: 70px;
            height: 70px;
            border: 8px solid transparent;
            border-top: 8px solid #1a2a6c;
            border-radius: 50%;
            animation: spin 1.2s linear infinite reverse;
        }

        .loading-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 30px;
            height: 30px;
            background: #1a2a6c;
            border-radius: 50%;
            z-index: 10;
        }

        .loading-text {
            font-size: 20px;
            color: #1a2a6c;
            margin-top: 25px;
            font-weight: 600;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .dots {
            display: inline-block;
            position: relative;
            width: 50px;
            height: 20px;
            margin-left: 5px;
        }

        .dots span {
            position: absolute;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #3a86ff;
            animation-timing-function: cubic-bezier(0, 1, 1, 0);
        }

        .dots span:nth-child(1) {
            left: 0;
            animation: dot1 0.6s infinite;
        }

        .dots span:nth-child(2) {
            left: 0;
            animation: dot2 0.6s infinite;
        }

        .dots span:nth-child(3) {
            left: 20px;
            animation: dot2 0.6s infinite;
        }

        .dots span:nth-child(4) {
            left: 40px;
            animation: dot3 0.6s infinite;
        }

        .progress-container {
            width: 100%;
            height: 10px;
            background-color: #f0f0f0;
            border-radius: 5px;
            margin-top: 30px;
            overflow: hidden;
            box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
        }

        .progress-bar {
            height: 100%;
            width: 0%;
            background: linear-gradient(to right, #1a2a6c, #3a86ff);
            border-radius: 5px;
            transition: width 0.3s ease;
        }

        .loading-info {
            margin-top: 20px;
            font-size: 14px;
            color: #777;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes dot1 {
            0% { transform: scale(0); }
            100% { transform: scale(1); }
        }

        @keyframes dot3 {
            0% { transform: scale(1); }
            100% { transform: scale(0); }
        }

        @keyframes dot2 {
            0% { transform: translate(0, 0); }
            100% { transform: translate(20px, 0); }
        }

        @media (max-width: 480px) {
            .preloader-container {
                padding: 40px 25px;
            }
            
            .logo-text {
                font-size: 30px;
            }
            
            .loading-container {
                width: 120px;
                height: 120px;
            }
            
            .loading-icon-inner {
                top: 20px;
                left: 20px;
                width: 60px;
                height: 60px;
            }
        }