:root {
    --primary: #4F86F7;
    --secondary: #F59E0B;
    --background: #FFFDF8;
    --text: #333333;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;

    background: var(--background);

    font-family: system-ui, sans-serif;
    color: var(--text);
}

#app {
    width: min(90%, 700px);
    display: flex;
    flex-direction: column;
    align-items: stretch;
}


h1 {
    text-align: center;
    margin-top: 0;
    margin-bottom: .8rem;
}

p {
    text-align: center;
    font-size: 1.3rem;
    line-height: 1.6;
}

button {
    display: block;

    margin: 2rem auto 0;

    padding: 1rem 2rem;

    border: none;
    border-radius: 12px;

    background: var(--primary);
    color: white;

    font-size: 1.1rem;

    cursor: pointer;
}

button:hover {
    transform: scale(1.03);
}

.milestone{
    margin:20px 0;
    text-align:center;
}

.milestone-icon{
    font-size:64px;
    margin-bottom:8px;
}

.reward-section{
    text-align:center;
    margin:1rem 0;
}

.reward-stars{
    font-size:2rem;
    margin-bottom:.5rem;
}

.reward-list{
    display:flex;
    flex-direction:column;
    gap:.3rem;
}

.reward-item{
    font-size:.9rem;
    color:#666;
}

.world-unlock{
    text-align:center;
    margin:1rem 0;
    padding:1rem;
    background:linear-gradient(135deg, #fff9c4, #fff176);
    border-radius:12px;
}

.world-unlock h2{
    margin:0 0 .5rem;
    font-size:1.1rem;
}

.world-unlock-item{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:.5rem;
    font-size:1rem;
    margin:.3rem 0;
}

.world-unlock-icon{
    font-size:1.5rem;
}