body {
    margin: 0;
    padding: 0;
    background: #f3f8fc;
    font-family: 'Segoe UI', Arial, sans-serif;
    color: #222;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 40px 20px 40px;
}
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.datum {
    font-size: 2.2em;
    font-weight: bold;
    color: #0d3979;
}
.locatie {
    font-size: 1.3em;
    color: #333;
}
.precom-logo {
    font-size: 1.2em;
    color: #0d3979;
    font-weight: bold;
    letter-spacing: 2px;
}   
.clock {
    width: 100px;
    height: 100px;
    background: #101820;
    border-radius: 10px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.1em;
    font-weight: bold;
}
.status-row {
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
}
.status-block {
    background: #101820;
    color: #fff;
    padding: 16px 24px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    font-size: 1.35em;
    font-weight: 600;
    box-shadow: 0 2px 8px #0002;
}
.status-lampje {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    margin-left: 20px;
    box-shadow: 0 0 5px #fff8;
    vertical-align: middle;
}
.lamp-groen { background: #65cf31; border: 2px solid #299a00; }
.lamp-geel  { background: #ffe951; border: 2px solid #ffbc00; }
.lamp-rood  { background: #f11c29; border: 2px solid #b90012; }
.columns-row {
    display: flex;
    gap: 60px;
    justify-content: center;
    align-items: flex-start;
    margin-top: 25px;
}
.columns-row > * {
    flex: 1 1 0;
    min-width: 300px;
    max-width: 450px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}
.groep {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 4px 18px #0001;
    margin-bottom: 28px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.groep-header {
    background: #0d3979;
    color: #fff;
    font-size: 1.35em;
    padding: 12px 24px;
    font-weight: bold;
    letter-spacing: 1px;
}
.lijst {
    padding: 18px 24px;
}
.naam-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.22em;
    border-bottom: 1px solid #dde4ed;
    padding: 7px 0;
}
.naam-row:last-child { border-bottom: none; }
.naam-label {
    flex: 1;
    text-align: left;
}
.statusbol {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    margin-left: 18px;
    display: inline-block;
    vertical-align: middle;
    border: 2.5px solid #ddd;
    box-shadow: 0 0 5px #0002;
}
/* Timer centreren */
.timer-center {
    display: flex;
    justify-content: center;
    margin-bottom: 22px;
}

/* Optioneel: timer-balk breder maken op groot scherm */
.timer-blok {
    width: 370px;
    max-width: 98vw;
}

/* Optioneel: alarm-blok centreren */
.alarm-blok {
    justify-content: center;
}

.status-groen { background: #65cf31; border-color: #299a00; }
.status-geel  { background: #ffe951; border-color: #ffbc00; }
.status-rood  { background: #f11c29; border-color: #b90012; }
@media (max-width: 1600px) {
    .container { padding: 10px; }
    .columns-row { gap: 20px; }
    .groep { min-width: 220px; max-width: 300px;}
    .groep-header { font-size: 1em; }
}