:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: rgba(37, 37, 37, 0.7);
    --bg-tertiary: rgba(44, 44, 44, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-accent: #ffffff;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    --button-bg: #2c2c2c;
    --button-hover: #4a4a4a;
    --button-disabled: #1a1a1a;
    --progress-bg: #2c2c2c;
    --progress-fill: #ffffff;
    --success-bg: rgba(0, 255, 0, 0.1);
    --success-border: rgba(0, 255, 0, 0.3);
    --error-bg: rgba(255, 0, 0, 0.1);
    --error-border: rgba(255, 0, 0, 0.3);
    --error-text: #ffcccc;
    --info-bg: rgba(255, 255, 255, 0.05);
    --info-border: rgba(255, 255, 255, 0.1);
    --download-bg: #000000;
    --download-hover: #2c2c2c;
    
    /* Additional CSS variables from provided styles */
    --tw-ring-offset-shadow: 0 0 #0000;
    --tw-ring-shadow: 0 0 #0000;
    --tw-backdrop-brightness: ;
    --tw-backdrop-contrast: ;
    --tw-backdrop-grayscale: ;
    --tw-backdrop-hue-rotate: ;
    --tw-backdrop-invert: ;
    --tw-backdrop-opacity: ;
    --tw-backdrop-saturate: ;
    --tw-backdrop-sepia: ;
}


@font-face {
    font-family: 'Inter';
    src: url('./fonts/Inter-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
}

body {
    font-family: 'Inter', Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
    min-height: 100vh;
    position: relative;
}

/* Static starfield with random twinkling - Layer 1 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(1px 1px at 20px 30px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 40px 70px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 160px 30px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 200px 50px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 250px 20px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 300px 90px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 350px 60px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 400px 10px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 450px 120px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 500px 80px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 550px 150px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 600px 40px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 650px 100px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 700px 60px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 750px 180px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 800px 20px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 850px 140px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 900px 70px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 950px 110px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 1000px 50px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 1050px 160px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 1100px 25px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 1150px 85px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 1200px 140px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 1250px 35px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 1300px 95px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 1350px 175px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 1400px 15px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 1450px 125px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 1500px 65px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 1550px 185px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 1600px 45px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 1650px 105px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 1700px 5px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 1750px 145px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 1800px 75px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 1850px 195px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 1900px 55px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 1950px 115px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 2000px 35px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 2050px 155px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 2100px 75px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 2150px 195px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 2200px 15px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 2250px 135px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 2300px 55px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 2350px 175px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 2400px 95px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 2450px 215px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 2500px 5px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 2550px 125px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 2600px 45px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 2650px 165px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 2700px 85px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 2750px 205px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 2800px 25px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 2850px 145px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 2900px 65px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 2950px 185px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 3000px 105px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 3050px 225px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 3100px 15px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 3150px 135px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 3200px 55px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 3250px 175px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 3300px 95px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 3350px 215px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 3400px 35px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 3450px 155px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 3500px 75px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 3550px 195px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 3600px 115px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 3650px 235px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 3700px 5px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 3750px 125px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 3800px 45px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 3850px 165px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 3900px 85px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 3950px 205px, rgba(255,255,255,0.6), transparent);
    background-repeat: repeat;
    background-size: 4000px 250px;
    z-index: -1;
    opacity: 1;
    animation: randomTwinkle1 8s ease-in-out infinite;
}

/* Second layer of stars with different twinkling pattern - Layer 2 */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(1px 1px at 50px 100px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 150px 200px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 300px 50px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 450px 150px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 600px 80px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 100px 250px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 350px 180px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 500px 120px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 750px 30px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 950px 160px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 120px 80px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 380px 220px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 620px 40px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 820px 190px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 180px 60px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 480px 170px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 720px 90px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 920px 210px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 220px 110px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 580px 35px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 1020px 75px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 1120px 195px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 1220px 15px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 1320px 135px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 1420px 55px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 1520px 175px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 1620px 25px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 1720px 145px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 1820px 85px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 1920px 205px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 2020px 5px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 2120px 125px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 2220px 65px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 2320px 185px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 2420px 35px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 2520px 155px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 2620px 95px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 2720px 215px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 2820px 45px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 2920px 165px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 3020px 105px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 3120px 15px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 3220px 135px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 3320px 255px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 3420px 75px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 3520px 195px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 3620px 55px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 3720px 175px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 3820px 115px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 3920px 235px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 4020px 15px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 4120px 135px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 4220px 55px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 4320px 175px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 4420px 95px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 4520px 215px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 4620px 35px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 4720px 155px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 4820px 75px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 4920px 195px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 5020px 115px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 5120px 235px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 5220px 5px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 5320px 125px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 5420px 45px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 5520px 165px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 5620px 85px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 5720px 205px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 5820px 25px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 5920px 145px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 6020px 65px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 6120px 185px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 6220px 105px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 6320px 225px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 6420px 15px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 6520px 135px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 6620px 55px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 6720px 175px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 6820px 95px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 6920px 215px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 7020px 35px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 7120px 155px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 7220px 75px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 7320px 195px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 7420px 115px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 7520px 235px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 7620px 5px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 7720px 125px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 7820px 45px, rgba(255,255,255,0.5), transparent),
        radial-gradient(1px 1px at 7920px 165px, rgba(255,255,255,0.6), transparent);
    background-repeat: repeat;
    background-size: 8000px 250px;
    z-index: -1;
    opacity: 1;
    animation: randomTwinkle2 12s ease-in-out infinite;
}

@keyframes randomTwinkle1 {
    0%, 100% {
        opacity: 0.3;
    }
    25% {
        opacity: 0.8;
    }
    50% {
        opacity: 0.1;
    }
    75% {
        opacity: 0.6;
    }
}

@keyframes randomTwinkle2 {
    0%, 100% {
        opacity: 0.2;
    }
    33% {
        opacity: 0.7;
    }
    66% {
        opacity: 0.4;
    }
}

/* Third layer with brighter stars */
body {
    position: relative;
}

body::before {
    animation: randomTwinkle1 8s ease-in-out infinite;
}

body::after {
    animation: randomTwinkle2 12s ease-in-out infinite;
}

/* Add a third pseudo-element for brighter stars using a different approach */
body::before {
    box-shadow: 
        2px 2px 0 0 rgba(255,255,255,1.0),
        150px 50px 0 0 rgba(255,255,255,0.8),
        300px 120px 0 0 rgba(255,255,255,1.0),
        450px 80px 0 0 rgba(255,255,255,0.9),
        600px 200px 0 0 rgba(255,255,255,1.0),
        750px 30px 0 0 rgba(255,255,255,0.8),
        900px 150px 0 0 rgba(255,255,255,1.0),
        1050px 70px 0 0 rgba(255,255,255,0.9),
        1200px 180px 0 0 rgba(255,255,255,1.0),
        1350px 40px 0 0 rgba(255,255,255,0.8),
        1500px 160px 0 0 rgba(255,255,255,1.0),
        1650px 90px 0 0 rgba(255,255,255,0.9),
        1800px 210px 0 0 rgba(255,255,255,1.0),
        1950px 20px 0 0 rgba(255,255,255,0.8),
        2100px 140px 0 0 rgba(255,255,255,1.0),
        2250px 60px 0 0 rgba(255,255,255,0.9),
        2400px 190px 0 0 rgba(255,255,255,1.0),
        2550px 10px 0 0 rgba(255,255,255,0.8),
        2700px 130px 0 0 rgba(255,255,255,1.0),
        2850px 50px 0 0 rgba(255,255,255,0.9),
        3000px 170px 0 0 rgba(255,255,255,1.0),
        3150px 25px 0 0 rgba(255,255,255,0.8),
        3300px 145px 0 0 rgba(255,255,255,1.0),
        3450px 75px 0 0 rgba(255,255,255,0.9),
        3600px 195px 0 0 rgba(255,255,255,1.0),
        3750px 35px 0 0 rgba(255,255,255,0.8),
        3900px 155px 0 0 rgba(255,255,255,1.0),
        4050px 85px 0 0 rgba(255,255,255,0.9),
        4200px 215px 0 0 rgba(255,255,255,1.0),
        4350px 15px 0 0 rgba(255,255,255,0.8),
        4500px 135px 0 0 rgba(255,255,255,1.0),
        4650px 65px 0 0 rgba(255,255,255,0.9),
        4800px 185px 0 0 rgba(255,255,255,1.0),
        4950px 5px 0 0 rgba(255,255,255,0.8),
        5100px 125px 0 0 rgba(255,255,255,1.0),
        5250px 55px 0 0 rgba(255,255,255,0.9),
        5400px 175px 0 0 rgba(255,255,255,1.0),
        5550px 45px 0 0 rgba(255,255,255,0.8),
        5700px 165px 0 0 rgba(255,255,255,1.0),
        5850px 95px 0 0 rgba(255,255,255,0.9),
        6000px 205px 0 0 rgba(255,255,255,1.0),
        6150px 15px 0 0 rgba(255,255,255,0.8),
        6300px 115px 0 0 rgba(255,255,255,1.0),
        6450px 35px 0 0 rgba(255,255,255,0.9),
        6600px 155px 0 0 rgba(255,255,255,1.0),
        6750px 75px 0 0 rgba(255,255,255,0.8),
        6900px 195px 0 0 rgba(255,255,255,1.0),
        7050px 25px 0 0 rgba(255,255,255,0.9),
        7200px 145px 0 0 rgba(255,255,255,1.0),
        7350px 65px 0 0 rgba(255,255,255,0.8),
        7500px 185px 0 0 rgba(255,255,255,1.0),
        7650px 105px 0 0 rgba(255,255,255,0.9),
        7800px 225px 0 0 rgba(255,255,255,1.0),
        7950px 5px 0 0 rgba(255,255,255,0.8);
    animation: randomTwinkle1 8s ease-in-out infinite, brightStars 6s ease-in-out infinite;
}

@keyframes brightStars {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}


/* Header Styles */
.app-header {
    position: sticky;
    top: 12px;
    z-index: 99;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: -60px;
    display: flex;
    width: fit-content;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    background-color: rgba(37, 37, 37, 0.7);
    padding: 0.625rem;
    box-shadow: 0px 32px 64px rgba(0, 0, 0, 0.5), 
                inset 0px 0px 1px hsla(0, 0%, 100%, 0.5), 
                inset 0px 0px 1px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(7px);
    gap: 80px;
    transition: all 0.3s ease;
}

[data-theme="dark"] .app-header {
    background-color: rgba(37, 37, 37, 0.7);
}

[data-theme="light"] .app-header {
    background-color: rgba(255, 255, 255, 0.7);
    box-shadow: 0px 32px 64px rgba(0, 0, 0, 0.1), 
                inset 0px 0px 1px hsla(0, 0%, 0%, 0.1), 
                inset 0px 0px 1px rgba(255, 255, 255, 0.5);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    position: relative;
    padding: 0 2rem;
}

.brand {
    display: flex;
    align-items: center;
}

.brand-title {
    font-family: 'Inter', Arial, sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.upload-btn {
    font-family: 'Inter', Arial, sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    background-color: rgba(37, 37, 37, 0.7);
    border: none;
    border-radius: 9999px;
    padding: 0.625rem 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    min-width: 4rem;
    height: 2.5rem;
    --tw-shadow: 0px 32px 64px rgba(0, 0, 0, 0.5), inset 0px 0px 1px hsla(0, 0%, 100%, 0.5), inset 0px 0px 1px rgba(0, 0, 0, 0.1);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
    --tw-backdrop-blur: blur(7px);
    backdrop-filter: var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia);
}

.upload-btn:hover {
    background-color: rgba(37, 37, 37, 0.8);
    transform: translateY(-1px);
}

.upload-btn:active {
    transform: translateY(0);
    background-color: rgba(37, 37, 37, 0.9);
}

.container {
    background: transparent;
    padding: 30px;
    transition: all 0.3s ease;
}

h1 {
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 30px;
}

.upload-section {
    border: 2px dashed var(--border-color);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    background-color: var(--bg-tertiary);
    backdrop-filter: blur(5px);
}

.upload-section:hover {
    border-color: var(--border-hover);
}

.upload-section.dragover {
    border-color: var(--border-hover);
    background-color: var(--bg-tertiary);
}

input[type="file"] {
    margin: 20px 0;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    width: 100%;
    max-width: 400px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color 0.3s, background-color 0.3s, color 0.3s;
}

button {
    background-color: var(--button-bg);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-family: 'Inter', Arial, sans-serif;
    font-weight: 500;
    margin: 10px;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

button:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.3);
}

button:disabled {
    background-color: var(--button-disabled);
    cursor: not-allowed;
}

.progress-container {
    display: none;
    margin: 20px 0;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background-color: var(--progress-bg);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--progress-fill);
    width: 0%;
    transition: width 0.3s;
}

.progress-text {
    text-align: center;
    margin-top: 10px;
    color: var(--text-secondary);
}

.result {
    display: none;
    margin: 20px 0;
    padding: 20px;
    background-color: var(--success-bg);
    border: 1px solid var(--success-border);
    border-radius: 5px;
    color: var(--text-primary);
}

.error {
    display: none;
    margin: 20px 0;
    padding: 20px;
    background-color: var(--error-bg);
    border: 1px solid var(--error-border);
    border-radius: 5px;
    color: var(--error-text);
}

.download-link {
    display: inline-block;
    background-color: var(--download-bg);
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 50px;
    margin-top: 10px;
    transition: all 0.3s ease;
    font-family: 'Inter', Arial, sans-serif;
    font-weight: 500;
    backdrop-filter: blur(5px);
}

.download-link:hover {
    background-color: var(--download-hover);
    transform: translateY(-2px);
    box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.3);
}

.info {
    background-color: var(--info-bg);
    border: 1px solid var(--info-border);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    color: var(--text-primary);
    backdrop-filter: blur(5px);
}

/* Hero Section Styles */
.hero-section {
    text-align: center;
    padding: 60px 30px;
    background: transparent;
    margin-bottom: 30px;
}

.sorafake-logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.sorafake-logo {
    position: relative;
    width: 90px;
    height: 90px;
    transform: translateX(5.84507px) translateY(6.62736px);
}

.logo-background-custom,
.logo-character {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.logo-background-custom {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border-radius: 20px;
    overflow: hidden;
}

.logo-stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #fff, transparent),
        radial-gradient(2px 2px at 40px 70px, #fff, transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, #fff, transparent),
        radial-gradient(2px 2px at 160px 30px, #fff, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    opacity: 0.6;
    animation: twinkle 3s ease-in-out infinite alternate;
}

.logo-character {
    display: flex;
    align-items: center;
    justify-content: center;
}

.character-body {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    position: relative;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.character-eyes {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: 8px;
}

.eye {
    width: 8px;
    height: 8px;
    background: #333;
    border-radius: 50%;
    animation: blink 4s ease-in-out infinite;
}

.character-sparkles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.sparkle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #fff;
    border-radius: 50%;
    animation: sparkle 2s ease-in-out infinite;
}

.sparkle-1 {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.sparkle-2 {
    top: 30%;
    right: 25%;
    animation-delay: 0.7s;
}

.sparkle-3 {
    bottom: 25%;
    left: 30%;
    animation-delay: 1.4s;
}

@keyframes twinkle {
    0% { opacity: 0.4; }
    100% { opacity: 0.8; }
}

@keyframes blink {
    0%, 90%, 100% { transform: scaleY(1); }
    95% { transform: scaleY(0.1); }
}

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

.hero-title {
    font-family: 'Inter', Arial, sans-serif;
    font-size: 3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 20px 0;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-family: 'Inter', Arial, sans-serif;
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 0 0 15px 0;
    opacity: 0.9;
    line-height: 1.5;
}

.hero-status {
    font-family: 'Inter', Arial, sans-serif;
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0 0 15px 0;
    opacity: 0.8;
}

.duration-limit {
    font-family: 'Inter', Arial, sans-serif;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0 0 40px 0;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 16px;
    border-radius: 20px;
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    border-radius: 9999px;
    padding: 0.625rem 1.25rem;
    font-family: 'Inter', Arial, sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: rgba(37, 37, 37, 0.7);
    color: var(--text-primary);
    border: none;
    min-width: 4rem;
    height: 2.5rem;
    --tw-shadow: 0px 32px 64px rgba(0, 0, 0, 0.5), inset 0px 0px 1px hsla(0, 0%, 100%, 0.5), inset 0px 0px 1px rgba(0, 0, 0, 0.1);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
    --tw-backdrop-blur: blur(7px);
    backdrop-filter: var(--tw-backdrop-blur) var(--tw-backdrop-brightness) var(--tw-backdrop-contrast) var(--tw-backdrop-grayscale) var(--tw-backdrop-hue-rotate) var(--tw-backdrop-invert) var(--tw-backdrop-opacity) var(--tw-backdrop-saturate) var(--tw-backdrop-sepia);
}

.social-btn:hover {
    background-color: rgba(37, 37, 37, 0.8);
    transform: translateY(-1px);
    text-decoration: none;
    color: var(--text-primary);
}

.social-btn:active {
    transform: translateY(0);
    background-color: rgba(37, 37, 37, 0.9);
}

.social-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

@keyframes soraSpriteAnimation {
    0% {
        background-position: 0px 0px;
    }
    100% {
        background-position: 0px -2700px;
    }
}

/* Video Comparison Styles */
.video-comparison {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.video-comparison h3 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--text-accent);
    font-family: 'Inter', Arial, sans-serif;
    font-weight: 600;
    text-align: center;
}

.comparison-videos {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
}

.video-container {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    text-align: center;
}

.video-container h4 {
    margin: 0 0 15px 0;
    color: var(--text-primary);
    font-family: 'Inter', Arial, sans-serif;
    font-weight: 600;
    font-size: 16px;
}

.comparison-video {
    width: 100%;
    height: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Hide video controls */
.comparison-video::-webkit-media-controls {
    display: none !important;
}

.comparison-video::-webkit-media-controls-panel {
    display: none !important;
}

.comparison-video::-webkit-media-controls-play-button {
    display: none !important;
}

.comparison-video::-webkit-media-controls-timeline {
    display: none !important;
}

.comparison-video::-webkit-media-controls-current-time-display {
    display: none !important;
}

.comparison-video::-webkit-media-controls-time-remaining-display {
    display: none !important;
}

.comparison-video::-webkit-media-controls-mute-button {
    display: none !important;
}

.comparison-video::-webkit-media-controls-volume-slider {
    display: none !important;
}

/* Responsive design for smaller screens */
@media (max-width: 768px) {
    .comparison-videos {
        flex-direction: column;
        align-items: center;
    }
    
    .video-container {
        min-width: 280px;
        max-width: 100%;
    }
}

/* Video Preview Styles */
.video-preview {
    background: transparent;
    padding: 20px;
    margin: 40px auto 20px auto;
    text-align: center;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.video-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 100%;
}

.video-container video {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Mobile-first responsive design */
/* Small phones (320px - 480px) */
@media (max-width: 480px) {
    .video-container {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .video-container video {
        max-width: 85vw;
        max-height: 45vh;
        display: block;
        margin: 0 auto;
    }
    
    .video-container.vertical video {
        max-width: 60vw;
        max-height: 60vh;
    }
    
    .video-preview {
        padding: 5px;
        margin: 30px auto 5px auto;
        max-width: 100vw;
    }
    
    .progress-overlay {
        min-width: 120px;
        padding: 8px;
        max-width: 55vw;
        font-size: 11px;
    }
    
    .video-container.vertical .progress-overlay {
        min-width: 100px;
        padding: 6px;
        max-width: 45vw;
        font-size: 10px;
    }
    
    .progress-bar-overlay {
        height: 4px;
        margin-bottom: 6px;
    }
    
    .video-container.vertical .progress-bar-overlay {
        height: 3px;
        margin-bottom: 4px;
    }
    
    .progress-text-overlay {
        font-size: 11px;
        line-height: 1.1;
    }
    
    .video-container.vertical .progress-text-overlay {
        font-size: 10px;
        line-height: 1.1;
    }
    
    .video-actions {
        flex-direction: column;
        gap: 8px;
        margin-top: 10px;
    }
    
    .video-actions button {
        width: 100%;
        max-width: 250px;
        margin: 0 auto;
    }
}

/* Medium phones (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    .video-container {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .video-container video {
        max-width: 80vw;
        max-height: 55vh;
        display: block;
        margin: 0 auto;
    }
    
    .video-container.vertical video {
        max-width: 65vw;
        max-height: 75vh;
    }
    
    .video-preview {
        padding: 10px;
        margin: 35px auto 10px auto;
        max-width: 100vw;
    }
    
    .progress-overlay {
        min-width: 140px;
        padding: 10px;
        max-width: 60vw;
        font-size: 12px;
    }
    
    .video-container.vertical .progress-overlay {
        min-width: 120px;
        padding: 8px;
        max-width: 50vw;
        font-size: 11px;
    }
    
    .progress-bar-overlay {
        height: 5px;
        margin-bottom: 8px;
    }
    
    .video-container.vertical .progress-bar-overlay {
        height: 4px;
        margin-bottom: 6px;
    }
    
    .progress-text-overlay {
        font-size: 12px;
        line-height: 1.1;
    }
    
    .video-container.vertical .progress-text-overlay {
        font-size: 11px;
        line-height: 1.1;
    }
}

/* Tablets and larger (769px+) */
@media (min-width: 769px) {
    .video-container video {
        max-width: 500px;
        max-height: 400px;
    }
    
    .video-container.vertical video {
        max-width: 300px;
        max-height: 500px;
    }
}

/* Mobile header responsiveness */
@media (max-width: 480px) {
    .app-header {
        margin: 8px auto;
        margin-bottom: -50px;
    }
    
    .header-content {
        padding: 0 1rem;
        gap: 1rem;
    }
    
    .brand-title {
        font-size: 1.2rem;
    }
    
    .upload-btn {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
        min-width: 3.5rem;
        height: 2.2rem;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .header-content {
        padding: 0 1.5rem;
    }
    
    .brand-title {
        font-size: 1.3rem;
    }
    
    .upload-btn {
        font-size: 0.85rem;
        padding: 0.55rem 1.1rem;
    }
}

/* Mobile hero section */
@media (max-width: 480px) {
    .hero-section {
        padding: 40px 20px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .hero-status {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .social-btn {
        width: 100%;
        max-width: 200px;
        justify-content: center;
    }
    
    .sorafake-logo {
        width: 70px;
        height: 70px;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .hero-section {
        padding: 50px 25px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        gap: 15px;
    }
    
    .sorafake-logo {
        width: 80px;
        height: 80px;
    }
}

.progress-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    padding: 20px;
    border-radius: 9999px;
    backdrop-filter: blur(10px);
    min-width: 300px;
    text-align: center;
}

.progress-bar-overlay {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 9999px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill-overlay {
    height: 100%;
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 50%, #2E7D32 100%);
    border-radius: 9999px;
    width: 0%;
    min-width: 0%;
}

.progress-text-overlay {
    color: white;
    font-size: 14px;
    font-weight: 500;
    font-family: 'Inter', Arial, sans-serif;
}

.video-preview h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--text-accent);
    font-family: 'Inter', Arial, sans-serif;
    font-weight: 600;
}

.video-preview video {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: block;
    margin: 0 auto;
}

/* Hide video controls since we removed the controls attribute */
.video-preview video::-webkit-media-controls {
    display: none !important;
}

.video-preview video::-webkit-media-controls-panel {
    display: none !important;
}

.video-preview video::-webkit-media-controls-play-button {
    display: none !important;
}

.video-preview video::-webkit-media-controls-timeline {
    display: none !important;
}

.video-preview video::-webkit-media-controls-current-time-display {
    display: none !important;
}

.video-preview video::-webkit-media-controls-time-remaining-display {
    display: none !important;
}

.video-preview video::-webkit-media-controls-mute-button {
    display: none !important;
}

.video-preview video::-webkit-media-controls-volume-slider {
    display: none !important;
}

/* Video Actions Buttons */
.video-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
}

.primary-btn {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: white;
    border: none;
    border-radius: 9999px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', Arial, sans-serif;
    box-shadow: 0 4px 12px rgba(26, 26, 46, 0.3);
}

.primary-btn:hover {
    background: linear-gradient(135deg, #16213e 0%, #0f3460 50%, #0a1f3a 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 26, 46, 0.4);
}

.secondary-btn {
    background: var(--button-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', Arial, sans-serif;
}

.secondary-btn:hover {
    background: var(--button-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}