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

body {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    font-family: 'Arial', sans-serif;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 40px 30px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    margin: 20px auto;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

h2 {
    color: #2d3e50;
    text-align: center;
    margin-bottom: 10px;
    font-size: 2em;
}

.subtitle {
    color: #666;
    text-align: center;
    font-size: 0.9em;
}

.input-group {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

select, input[type="text"] {
    width: 100%;
    padding: 16px 24px;
    border: 2px solid rgba(110, 142, 251, 0.2);
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    margin: 10px 0;
}

select:focus, 
input[type="text"]:focus {
    border-color: #6e8efb;
    box-shadow: 0 0 0 4px rgba(110, 142, 251, 0.1);
    outline: none;
}

button {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    font-size: 17px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    display: block;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(110, 142, 251, 0.3);
}

footer {
    width: 100%;
    max-width: 600px;
    margin: 20px auto;
    text-align: center;
}

.footer-right {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 15px;
}

.copyright {
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    font-size: 14px;
}

.icon-img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    padding: 5px;
}

.icon-img:hover {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

@media (max-width: 480px) {
    .container {
        padding: 25px 15px;
        border-radius: 15px;
    }

    select, input[type="text"] {
        padding: 12px 16px;
        font-size: 15px;
    }

    button {
        padding: 14px 20px;
        font-size: 16px;
    }

    .icon-img {
        width: 35px;
        height: 35px;
    }
}

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

.loading::after {
    content: "";
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: loading 0.6s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}