/* ==========================
   SIDEBARS
   Printed Comic Page Style
========================== */

.site-sidebar {
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

/* ==========================
   SIDEBAR CARDS
========================== */

.sidebar-card {
    margin: 0;
    padding: 8px;

    background:
        radial-gradient(circle, rgba(0, 0, 0, 0.08) 1px, transparent 1px),
        linear-gradient(rgba(255, 255, 255, 0.18), rgba(0, 0, 0, 0.03)),
        #fff0b8;

    background-size:
        6px 6px,
        100% 100%,
        100% 100%;

    border: 0;
    box-shadow: none;

    text-align: center;
}

/*
   Shared promotional-card interaction:
   blue supplies the frame, red signals action, and the yellow burst
   makes the hover state obvious without using a harsh strobe.
*/
.sidebar-feature-card {
    position: relative;
    isolation: isolate;

    border: 3px solid #2f6fa3;
    box-shadow: 4px 4px 0 #111;

    cursor: default;
    outline: 3px solid transparent;
    outline-offset: -3px;

    transition:
        transform 180ms ease,
        box-shadow 180ms ease,
        outline-color 180ms ease,
        background-color 180ms ease;
}

.sidebar-burst {
    position: absolute;
    top: calc(42% - 5px);
    right: 6px;
    z-index: 6;

    width: 113px;
    height: 113px;

    opacity: 0;
    pointer-events: none;

    transform: rotate(12deg) scale(0.55);
    transition: opacity 160ms ease, transform 220ms cubic-bezier(.2, .9, .3, 1.35);
}

a.sidebar-feature-card {
    display: block;
    color: inherit;
    cursor: pointer;
    text-decoration: none;
}

.sidebar-feature-card img,
.sidebar-feature-card .ad-button {
    transition:
        transform 180ms ease,
        filter 180ms ease,
        background-color 180ms ease,
        color 180ms ease;
}

.sidebar-feature-card:hover,
.sidebar-feature-card:focus-visible {
    z-index: 4;

    outline-color: #d92d1f;
    box-shadow: 4px 4px 0 #111;

    transform: translateY(-3px) rotate(-0.25deg);
}

.sidebar-feature-card:hover .sidebar-burst,
.sidebar-feature-card:focus-visible .sidebar-burst {
    opacity: 1;
    transform: rotate(-7deg) scale(1);
}

.sidebar-feature-card:hover img,
.sidebar-feature-card:focus-visible img {
    filter: saturate(1.22) contrast(1.07) brightness(1.04);
    transform: scale(1.025);
}

.sidebar-feature-card:hover .ad-button,
.sidebar-feature-card:focus-visible .ad-button {
    background: #d92d1f;
    color: #fff;
}

.sidebar-feature-card:active {
    box-shadow: 2px 2px 0 #111;
    transform: translateY(2px) rotate(0);
}

.sidebar-card + .sidebar-card {
    margin-top: 10px;
}

.sidebar-card h2 {
    margin: 0 0 8px;

    background: #d92d1f;
    color: #fff;

    border: 3px solid #111;
    padding: 7px 5px;

    font-size: 0.95rem;
    line-height: 1;
    text-transform: uppercase;
    text-shadow: 2px 2px 0 #111;
}

.sidebar-card h3 {
    text-align: center;
    margin: 8px 0;
    font-size: 1.15rem;
}

.sidebar-card p {
    margin: 8px 0 0;

    font-size: 0.85rem;
    line-height: 1.25;
    font-weight: 700;
}

/* ==========================
   IMAGE PLACEHOLDER
========================== */

.sidebar-image-placeholder {
    min-height: 95px;

    display: grid;
    place-items: center;

    background:
        radial-gradient(circle, rgba(0, 0, 0, 0.08) 1px, transparent 1px),
        #f6d13d;

    background-size: 6px 6px;

    border: 3px solid #111;

    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* ==========================
   COMIC AD CARD
========================== */

.comic-ad {
    padding: 8px;
}

.ad-title {
    background: #d92d1f;
    color: white;

    border: 3px solid #111;

    padding: 8px;

    font-size: 0.95rem;
    font-weight: 900;

    text-align: center;
    text-transform: uppercase;

    text-shadow: 2px 2px 0 #111;

    margin-bottom: 8px;
}

.ad-cover {
    border: 3px solid #111;

    background: #f6d13d;

    margin-bottom: 8px;

    overflow: hidden;
}

.ad-cover img {
    display: block;

    width: 100%;
    height: auto;
}

.ad-button {
    background:
        radial-gradient(circle, rgba(0, 0, 0, 0.08) 1px, transparent 1px),
        #f6d13d;

    background-size: 6px 6px;

    border: 3px solid #111;

    padding: 8px;

    font-weight: 900;

    text-transform: uppercase;

    text-align: center;
}

/* ==========================
   SIDEBAR IMAGES
========================== */

.character-spotlight-image {
    display: block;
    width: 100%;
    max-width: 250px;
    height: auto;
    margin: 0 auto 12px;
}

.sidebar-card-image img {
    display: block;
    width: 100%;
    max-width: 200px;
    height: auto;
    margin: 0 auto 10px;
    border: 3px solid #111;
}
/* ==========================
   MOBILE
========================== */

@media (max-width: 760px) {

    .site-sidebar {
        padding: 0;
        border: 0;
        box-shadow: none;
    }

    .sidebar-card {
        margin: 0;
        padding: 10px;
        border-bottom: 4px solid #111;
    }

    .sidebar-card + .sidebar-card {
        margin-top: 0;
    }

    .sidebar-card:last-child {
        border-bottom: 4px solid #111;
    }

    .sidebar-feature-card {
        border-right: 3px solid #2f6fa3;
        border-left: 3px solid #2f6fa3;
        box-shadow: none;
    }

    .sidebar-burst {
        right: 18px;
    }

    .sidebar-card h2,
    .ad-title {
        font-size: 1rem;
    }

    .character-spotlight-image,
    .sidebar-card-image img {
        max-width: 280px;
    }

    .ad-button {
        max-width: 320px;
        margin: 8px auto 0;
    }
}

@media (hover: none) {
    .sidebar-feature-card:hover {
        outline-color: transparent;
        box-shadow: none;
        transform: none;
    }

    .sidebar-feature-card:hover .sidebar-burst {
        opacity: 0;
        transform: rotate(12deg) scale(0.55);
    }

    .sidebar-feature-card:hover img {
        filter: none;
        transform: none;
    }

    .sidebar-feature-card:hover .ad-button {
        background:
            radial-gradient(circle, rgba(0, 0, 0, 0.08) 1px, transparent 1px),
            #f6d13d;
        background-size: 6px 6px;
        color: #111;
    }

    .sidebar-feature-card:active {
        box-shadow: inset 0 0 0 3px #d92d1f;
        transform: translateY(1px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar-feature-card,
    .sidebar-burst,
    .sidebar-feature-card img,
    .sidebar-feature-card .ad-button {
        transition: none;
    }

    .sidebar-feature-card:hover,
    .sidebar-feature-card:focus-visible,
    .sidebar-feature-card:active {
        transform: none;
    }
}