:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #212121;
    --bg-calendar-day: #333;
    --border-color: #444;
    --text-primary: #fff;
    --text-secondary: #ddd;
    --accent-color: #30475e;
    --accent-hover: #0b5ed7;
    --overlay-bg: rgba(0, 0, 0, 0.9);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#content_history {
    color: var(--color-light-primary);
    padding-top: 1em;
    margin-inline: 1em;
    /*     margin-left: 0em; */
    margin-bottom: 2em;
}

#notice_history {
    display: grid;
    place-items: center;
    font-size: 2rem;
    height: 80vh;
    color: var(--color-light-primary);
}

.calendar-info {
    text-align: center;
    margin-top: 1em;
    color: var(--color-gray);
    opacity: 0.9;
}

.results-header {
    animation: fadeIn 1s ease-out forwards;
    font-size: 1.1em;
    color: var(--color-gray);
    text-transform: uppercase;
    font-weight: 500;
    margin: 1em;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-bg);
    place-items: center;
    z-index: 1000;
}

.modal-content {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
    transform: scale(1);
    display: block;
    object-fit: cover;
    padding: 2px;
    height: 600px;
    border-radius: 1em;
}


.ruler-intro {
    font-size: 1.1em;
    color: var(--color-text);
    text-transform: uppercase;
    font-weight: 300;
    margin: 1em 0em;
}

.calendar-container {
    max-width: 100%;
    margin: 0 auto;
    margin-top: 2em;
    /*     margin-inline: 1em; */
    background: var(--color-dark-secondary);
    padding: 0em 0.5em 1.5em 0.5em;
    border-radius: 1em;
    /*     box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); */
    overflow-x: auto;
    /*     border: 1px solid var(--color-nav-alternate); */
}

/* Main title styles */
.main-title {
    font-size: 1.4rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    margin: 0 0 20px 0;
    color: var(--text-primary);
}

.current-month {
    font-size: 2rem;
    font-weight: normal;
    text-align: center;
    /*     margin: 0 0 20px 0; */
    color: var(--text-primary);
}

/* Navigation layouts */
.calendar-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin: 1em 1em 2em 1em;
}

.nav-btn-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 1em;
}

/* Button styles */
/* Button styles */
.nav-btn {
    background: var(--color-blue);
    color: var(--text-primary);
    padding: 8px 0;
    border: none;
    border-radius: 0.25em;
    text-decoration: none;
    font-size: 0.95rem;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.nav-btn:hover {
    background: var(--color-blue);
}

/* Calendar grid styles */
.weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 15px;
    text-align: center;
}

.weekday {
    font-size: 1rem;
    color: var(--text-secondary);
}

#calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(40px, 1fr));
    gap: 10px;
}


.calendar-day {
    aspect-ratio: 1;
    border: 1px solid var(--shade);
    border-radius: 8px;
    /* padding: 4px; */
    position: relative;

    /*     background: var(--bg-calendar-day); */
    transition: all 0.2s ease;
}


.calendar-day.has-images {
    /* border-color: var(--color-nav-alternate); */
    cursor: pointer;
}

.calendar-day.has-images img {
    opacity: 0.6;
}

.calendar-day.has-images:hover {

    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.2);
}

.day-number {
    position: absolute;
    top: 4px;
    left: 4px;
    font-weight: normal;
    background: var(--shade-medium);
    color: var(--text-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9rem;
    z-index: 1;
}

.day-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
    opacity: 0.9;
    transition: opacity 0.2s ease;
    margin-bottom: -4px;
}

.calendar-day.has-images:hover .day-thumbnail {
    opacity: 1;
}

.empty {
    background: none;
    border: none;
}



/* View page styles */
.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 20px 0;
}

.images-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    /*     padding-inline: 1em; */
}

.image-container {
    position: relative;
}

.image-container img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

.image-time {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--overlay-bg);
    color: #fff;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 1.1rem;
}

/* Animation keyframes */


/* View page title animation */

h1#view_header {
    animation: fadeIn 0.5s ease-out forwards;
    color: lightgray;
    font-size: 1.4em;
    font-weight: 300;
    padding-inline: 0.5em;
    margin-top: 1.75em;
}

.calendar-container h2 {
    font-weight: 300;
    color: lightgray;
    font-size: 1.3em;
}

/* Responsive styles ------- MAX WIDTH 768px */
@media (max-width: 768px) {
    .main-title {
        font-size: 1.2rem;
    }

    .current-month {
        font-size: 1.6rem;
    }

    .calendar-nav,
    .nav-btn-group {
        gap: 6px;
    }

    .nav-btn {
        font-size: 0.85rem;
        padding: 8px 4px;
    }

    .weekday {
        font-size: 0.8rem;
    }

    .image-time {
        font-size: 1rem;
    }

    #calendar-grid {
        gap: 5px;
    }

}

@media (max-width: 480px) {
    #calendar-grid {
        grid-template-columns: repeat(7, minmax(40px, 1fr));
    }

    .calendar-container {
        margin-bottom: 6em;
    }
}

@media (min-width: 540px) {
    .nav-btn-group {
        padding-inline: 5em;
    }

    .calendar-nav {
        padding-inline: 5em;
    }

    .calendar-day.has-images img {
        opacity: 0.9;
    }

    .calendar-day.today {
        /* border: 2px solid var(--icon-warm); */
    }
}

@media (min-width: 800px) {
    .images-grid {
        /*         border: 2px solid red; */
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .calendar-day.has-images {
        border-color: var(--color-nav-alternate);
        cursor: pointer;
    }


}

@media (min-width: 1600px) {
    .images-grid {
        /*         border: 2px solid red; */
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
    }
}

/* Tablet and larger devices */
@media (min-width: 768px) {
    .calendar-container {
        /*         max-width: 90%; */
        padding-inline: 30px;
        background: var(--color-dark-alternate);
    }

    .ruler-intro {
        display: none;
    }

    #calendar-grid {
        grid-template-columns: repeat(7, minmax(60px, 1fr));
        gap: 15px;
    }
}

/* Larger tablets and small desktops */
@media (min-width: 1024px) {
    .calendar-container {
        /*         max-width: 80%; */
    }

    #calendar-grid {
        grid-template-columns: repeat(7, minmax(80px, 1fr));
    }

    .nav-btn-group {
        padding-inline: 5em;
        margin-top: 5.75em;
    }

    .calendar-nav {
        padding-inline: 5em;
    }

    .calendar-nav .nav-btn {}

    .nav-btn-group .nav-btn {}
}

@media (min-width: 1280px) {
    .calendar-container {
        margin-top: 0em;
    }

    .nav-btn-group {
        /*         padding-inline: 5em; */
        margin-top: 3.75em;
    }

}