.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin: 0 auto;
    background: #222;
    padding: 10px;
    border-radius: 8px 8px 0px 0px ;
}

.calendar-header span{
    text-transform: uppercase;
    font-weight: bold;
    text-align: center;
}

.calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin: 0 auto;
    background: #222;
    padding: 10px;
    border-radius: 0px 0px 8px 8px;
    margin-bottom: 1em;
}

.calendar-entry {
    aspect-ratio: 1 / 1;
    width: 100%;
    border: 1px solid #444;
    padding: 0.5em;
    box-sizing: border-box;
    color: #eee;
    display: flex;
    justify-content: center;
    align-items: center;
    user-select: none;
    transition: background-color 0.3s ease, color 0.3s ease;
    border-radius: 4px;
}

.calendar-no-exist-day {
    background-color: #1a1a1a; /* very dark, to visually "disappear" */
    border-color: transparent;
    cursor: default;
}

.calendar-past-day {
    background-color: #222;
    color: #ccc;
}

.calendar-day {
    background-color: #2a72c9; /* teal-ish */
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}


.calendar-booked-day {
    background: repeating-linear-gradient(
        45deg,
        #2c2c2c,     /* dark gray stripe */
        #2c2c2c 10px,
        #3a3a3a 10px,
        #3a3a3a 20px  /* slightly lighter stripe */
    );
    color: #f8f8f8;             /* light text */
}

.calendar-day:hover {
    background-color: #00b3b3;
    color: #fff;
    box-shadow: 0 0 6px 2px #00b3b3aa;
}

.calendar-day-number {
    font-size: 1.1em;
    pointer-events: none; /* disable pointer on number itself */
}


.calendar-day-selected{
    background-color: #64eb1c !important;
}