* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background:
        radial-gradient(circle at top, #4a166f 0%, #15051f 45%, #09010f 100%);
    color: white;
    min-height: 100vh;
}

.app-shell {
    width: 90%;
    max-width: 500px;
    margin: 0 auto;
    padding: 70px 20px;
    text-align: center;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 50px;
}

.logo span {
    color: #ff4fd8;
}

h1 {
    font-size: 38px;
    margin-bottom: 12px;
}

.subtitle {
    color: #c8b7d4;
    font-size: 17px;
    line-height: 1.5;
    margin-bottom: 40px;
}

.upload-box {
    display: block;
    background: rgba(255, 255, 255, 0.07);
    border: 2px dashed #b75cff;
    border-radius: 20px;
    padding: 50px 20px;
    cursor: pointer;
    transition: 0.2s;
}

.upload-box:hover {
    background: rgba(255, 255, 255, 0.11);
}

.upload-icon {
    width: 70px;
    height: 70px;
    line-height: 66px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, #8f44ff, #ff44c7);
    font-size: 40px;
}

.upload-title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 8px;
}

.upload-text {
    color: #a997b8;
}

input[type="file"] {
    display: none;
}

button {
    width: 100%;
    margin-top: 25px;
    padding: 17px;
    border: none;
    border-radius: 14px;
    font-size: 18px;
    font-weight: bold;
    color: white;
    background: linear-gradient(90deg, #7b35ff, #f43cc4);
    cursor: pointer;
}

button:hover {
    opacity: 0.9;
}