:root {
    --primary: #00ffcc;
    --accent: #7000ff;
    --dark: #0a0a0c;
}

body {
    margin: 0;
    background: var(--dark);
    color: white;
    font-family: 'Inter', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.navbar {
    width: 100%;
    padding: 25px 5%;
    display: flex;
    justify-content: space-between;
    box-sizing: border-box;
}

.logo { font-weight: 800; font-size: 1.6rem; }
.logo span { color: var(--primary); }

.glass-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    text-align: center;
    max-width: 450px;
    margin-top: 50px;
}

.upload-zone {
    margin: 30px 0;
    border: 2px dashed var(--primary);
    padding: 40px;
    border-radius: 20px;
}

.btn-primary {
    background: var(--primary);
    color: black;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: bold;
    cursor: pointer;
}

.hidden { display: none; }

#canvas-preview {
    width: 100%;
    border-radius: 15px;
    margin-bottom: 20px;
    border: 1px solid var(--primary);
}

.btn-download {
    background: linear-gradient(45deg, var(--primary), var(--accent));
    color: white;
    padding: 20px 50px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
}

.success-container { text-align: center; padding: 100px 20px; }
.icon-check { font-size: 80px; color: var(--primary); }