* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    min-height: 100svh;
    display: grid;
    place-items: center;
    padding: 24px 16px;
    background: #154c8c;
    color: #154c8c;
    font: 16px/1.4 "Segoe UI", sans-serif;
}
.start-menu {
    width: 100%;
    max-width: 680px;
    padding: 28px;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
    text-align: center;
}
.start-header { display: grid; grid-template-columns: 64px minmax(0, 1fr) 64px; gap: 12px; align-items: start; border-bottom: 2px solid #154c8c; padding-bottom: 10px; }
.start-logo { justify-self: start; }
.start-logo img { display: block; width: 64px; height: auto; }
.event-heading { min-width: 0; }
h1 { margin: 0 0 6px; font-size: clamp(18px, 4.5vw, 24px); text-transform: uppercase; overflow-wrap: anywhere; }
header p { margin: 0; font-size: clamp(18px, 4.5vw, 24px); font-weight: 600; overflow-wrap: anywhere; }
h2 { margin: 24px 0 16px; font-size: 20px; }
.menu-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.pool-section { display: grid; grid-column: 1 / -1; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; border-top: 2px solid #154c8c; padding-top: 10px; }
.compact-buttons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: inherit; }
.compact-buttons[hidden] { display: grid; visibility: hidden; }
.menu-grid a, .menu-grid button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 64px;
    padding: 12px 4px;
    border: 1px solid #bae6fd;
    border-radius: 6px;
    background: #e0f2fe;
    color: #154c8c;
    font: 700 14px/1.4 "Segoe UI", sans-serif;
    text-decoration: none;
    overflow-wrap: anywhere;
    cursor: pointer;
}
.menu-grid [data-keuze="info"], .menu-grid [data-keuze="leeg-7"] { background: #C5D9F1; border-color: #C5D9F1; }
.menu-grid [data-keuze="leeg-1"], .menu-grid [data-keuze="leeg-6"] { background: #E6B8B7; border-color: #E6B8B7; }
.menu-grid [data-keuze="leeg-2"], .menu-grid [data-keuze="leeg-5"] { background: #FEEE7A; border-color: #FEEE7A; }
.menu-grid [data-keuze="leeg-3"], .menu-grid [data-keuze="leeg-4"] { background: #D8E4BC; border-color: #D8E4BC; }
a:focus-visible, .menu-grid button:focus-visible { outline: 3px solid #d97706; outline-offset: 3px; }
.menu-grid .is-selected, .menu-grid .is-selected:hover { background: #154c8c; border-color: #154c8c; color: #fff; }
.menu-grid small { margin-top: 3px; font-size: 10px; font-weight: 400; }
.desktop-link { display: inline-block; margin-top: 22px; color: #154c8c; font-size: 14px; }
@media (max-width: 480px) {
    .start-menu { padding: 22px 16px; }
    .menu-grid { gap: 5px; }
    .menu-grid a, .menu-grid button { font-size: 12px; }
}

#menu-status { min-height: 3em; margin: 14px 0 0; font-size: 14px; }