:root {
  --bg: #0b0d12; 
  --glass: rgba(255, 255, 255, .06); 
  --glass-2: rgba(255, 255, 255, .10);
  --stroke: rgba(255, 255, 255, .16); 
  --text: #eef1f5; 
  --muted: #aab1b9;
  --radius: 20px; 
  --shadow: 0 10px 40px rgba(0,0,0,.45), 0 2px 0 rgba(255,255,255,.04) inset;
}

/* Basis layout */
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 500 16px/1.55 Inter, system-ui, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* De container die meegroeit met de inhoud */
.container {
    background: var(--glass);
    border: 1px solid var(--stroke);
    padding: 2.5rem;
    border-radius: var(--radius);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
    width: auto;
    min-width: 250px;
    max-width: 90%;
    text-align: center;
}

/* Afbeeldingen in containers */
.container img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto 20px auto;
}

/* Knop stijl */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.06));
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(0,0,0,.3);
    transition: transform 0.2s;
}

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