/* Kalender Card */
.calendar-card { 
    background: #fff; 
    border-radius: 8px; 
    border: 1px solid #ddd; 
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    overflow: hidden; 
}

/* Header */
.calendar-header { 
    background: #2c3e50; 
    color: #fff; 
    padding: 15px; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    font-weight: bold;
}

.calendar-header a { color: #fff; text-decoration: none; font-size: 1.2em; }

/* Grid */
.calendar-grid { 
    display: grid; 
    grid-template-columns: repeat(7, 1fr); 
    padding: 10px;
    background: #fff;
}

.cal-day-head { 
    font-weight: bold; 
    font-size: 0.75rem; 
    text-align: center; 
    padding: 10px 0; 
    color: #2c3e50; 
    text-transform: uppercase;
}

/* De container voor elke dag */
.cal-day-cell {
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333 !important; /* DIT HERSTELT DE ZICHTBAARHEID */
    font-weight: 500;
}

/* De cijfers voor normale dagen */
.cal-day-cell span {
    color: #333 !important;
    display: block;
}

/* Het normale groene trainingsbolletje */
.has-training { 
    background: #27ae60; 
    color: #ffffff !important; 
    border-radius: 50%; 
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

/* Het ACTIEVE bolletje (deze overschrijft de groene kleur) */
.has-training.active-sessie {
    background: #2c3e50 !important; /* Donkerblauw / Dashboard kleur */
    box-shadow: 0 0 0 3px #3498db; /* Helderblauwe ring */
    transform: scale(1.1);
    z-index: 2;
}

.has-training:hover { 
    background: #2ecc71; 
    transform: scale(1.1);
}


/* Vandaag markering */
.today { 
    color: #3498db !important; 
    font-weight: bold; 
    text-decoration: underline;
}

/* Lege cellen */
.other-month { background: transparent; }