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

body {
    font-family: Inter, Arial, sans-serif;
    background: linear-gradient(135deg, #0b1018, #241d46);
    color: #ffffff;
    min-height: 100vh;
}

.app {
    width: min(1100px, 95%);
    margin: auto;
    padding: 60px 20px;
}

.hero {
    text-align: center;
    margin-bottom: 60px;
}

.eyebrow {
    color: #8B5CF6;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

h1 {
    font-size: 4rem;
    margin-bottom: 15px;
}

.tagline {
    color: #b7bfd2;
    font-size: 1.2rem;
    margin-bottom: 35px;
}

.button,
button {
    background: linear-gradient(90deg,#8B5CF6,#5B4DF7);
    color: white;
    border: none;
    border-radius: 14px;
    padding: 16px 28px;
    cursor: pointer;
    font-size: 1rem;
    text-decoration: none;
    display: inline-block;
    transition: .2s;
}

.button:hover,
button:hover {
    transform: translateY(-2px);
}

.panel {
    background: #171c24;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 24px;
    padding: 35px;
}

.panel h2 {
    margin-bottom: 30px;
}

label {
    display: block;
    margin-bottom: 20px;
}

select,
input {
    width: 100%;
    margin-top: 8px;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid #303743;
    background: #0d1118;
    color: white;
    font-size: 16px;
}

button {
    margin-top: 15px;
    margin-right: 10px;
}

canvas {
    width: 100%;
    margin-top: 35px;
    border-radius: 16px;
    border: 2px solid #303743;
    background: black;
}