@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

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

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background:
        linear-gradient(135deg, rgba(10, 10, 10, 0.85) 0%, rgba(26, 26, 46, 0.9) 25%, rgba(22, 33, 62, 0.85) 50%, rgba(15, 52, 96, 0.9) 75%, rgba(83, 52, 131, 0.85) 100%),
        url('https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    background-size: 400% 400%, cover;
    background-attachment: fixed;
    font-family: 'Orbitron', monospace;
    overflow-x: hidden;
    position: relative;
}

.container {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.heading {
    text-align: center;
    margin-bottom: 5px;
}

.name {
    font-size: clamp(2rem, 4vw, 2rem);
    font-weight: 900;
    background: linear-gradient(45deg, #00ff88, #88e7ff, #dd0e76, #ffaa00);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.3));
    }

    to {
        filter: drop-shadow(0 0 40px rgba(0, 255, 136, 0.8));
    }
}

form {
    background: rgba(255, 255, 255, 0.01);
    backdrop-filter: blur(3px);
    max-width: 450px;
    margin: 0 auto; 
    border-radius: 5px;
    padding-top: 20px;
    padding-bottom: 25px;
    padding-left: 10px;
    padding-right: 10px;
    border: 1px dashed rgba(0, 255, 136, 0.3);
    box-shadow:
        0 25px 45px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 100px rgba(0, 255, 136, 0.05);
    position: relative;
    overflow: hidden;
}

.enter-amount-container {
    text-align: center;
    margin-bottom: 30px;
}

.enter-amount-text {
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 3px;
    letter-spacing: -0.1px;
}

.enter-amount-box {
    width: 100%;
    max-width: 400px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0, 255, 136, 0.3);
    border-radius: 15px;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    text-align: center;
    font-family: 'Orbitron', monospace;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    outline: none;
}

.enter-amount-box:focus {
    border-color: #00ff88;
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
    transform: scale(1.02);
}

.drop {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    position: relative;
}

.from,
.to {
    text-align: center;
}

.from p,
.to p {
    font-size: 0.8rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 5px;
    text-transform: uppercase;
    color: #00ff88;
    letter-spacing: 1px;
}

.options {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: rgba(255, 255, 255, 0.03);
    padding: 5px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.options:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 255, 136, 0.1);
}

.flag {
    width: 35px;
    height: 20px;
    border-radius: 3px;
    object-fit: cover;
}

select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    padding: 10px 16px;
    color: #ffffff;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    font-family: 'Orbitron', monospace;
    outline: none;
    cursor: pointer;
    min-width: 120px;
    transition: all 0.3s ease;
}

select:hover {
    border-color: #00ff88;
}

select option {
    background: #1a1a2e;
    color: #ffffff;
}

.msg-container {
    text-align: center;
    margin-top: 40px;
    margin-bottom: 15px;
}

.msg {
    font-size: 0.8rem;
    color: #ffffff;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 204, 255, 0.1));
    padding: 10px 15px;
    border-radius: 5px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: inline-block;
    letter-spacing: 1px;
}

.btn {
    display: block;
    margin: 0 auto;
    padding: 10px 20px;
    font-size: 0.8rem;
    color: #000000;
    background: linear-gradient(135deg, #00ff88, #00ccff);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-family: 'Orbitron', monospace;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.5);
}

@keyframes float-symbols {
    0% {
        transform: translateX(0) rotate(0deg);
    }

    100% {
        transform: translateX(50px) rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 480px) {
    .name {
        font-size: 1.2rem;
    }

    .enter-amount-container {
        text-align: center;
        margin-bottom: 10px;
    }

    .enter-amount-text {
        font-size: 0.7rem;
    }

    .enter-amount-box {
        width: 90%;
        max-width: 400px;
        height: 30px;
        border-radius: 10px;
    }

    select {
        padding: 5px 10px;
        font-size: 0.4rem;
        letter-spacing: 1px;
    }

    .flag {
        width: 25px;
        height: 10px;
        border-radius: 1px;
    }

    .msg-container {
        margin-top: 30px;
        margin-bottom: 10px;
    }

    .btn {
        padding: 7px 16px;
        font-size: 0.7rem;
    }

}