/* Application banner — sits directly below the site header. Mirrors the
   desktop app's Banner.py: a tiled star field with the app's sun/logo image
   (clickable, acts as a per-app home/reset button) followed by the planets,
   spaced by their real relative orbital distance. */

:root {
    --banner-height: 70px;
}

body.has-banner {
    padding-top: calc(var(--header-height) + var(--banner-height));
}

#app-banner {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: var(--banner-height);
    z-index: 900;
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding: 0 10px;
    overflow: hidden;
    background-color: #000000;
    background-image: url('../images/Stars.PNG');
    background-repeat: repeat-x;
    background-size: auto var(--banner-height);
}

.banner-home-button {
    flex: 0 0 auto;
    width: 63px;
    height: 63px;
    border: none;
    padding: 0;
    background-color: transparent;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}
.banner-home-button:hover {
    transform: scale(1.08);
}

.banner .planets {
    flex: 1 1 auto;
    min-width: 0;
    height: 100%;
    display: flex;
    align-items: center;
}
.banner .spacer {
    flex-shrink: 1;
}
.banner .planet {
    flex: 0 0 auto;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}
.banner .planet.mercury { width: 8px;  height: 8px;  background-image: url('../images/Planets/Mercury.PNG'); }
.banner .planet.venus   { width: 8px;  height: 8px;  background-image: url('../images/Planets/Venus.PNG'); }
.banner .planet.earth   { width: 10px; height: 10px; background-image: url('../images/Planets/Earth.PNG'); }
.banner .planet.mars    { width: 8px;  height: 8px;  background-image: url('../images/Planets/Mars.PNG'); }
.banner .planet.jupiter { width: 30px; height: 30px; background-image: url('../images/Planets/Jupiter.PNG'); }
.banner .planet.saturn  { width: 69px; height: 30px; background-image: url('../images/Planets/Saturn.PNG'); }
.banner .planet.uranus  { width: 15px; height: 15px; background-image: url('../images/Planets/Uranus.PNG'); }
.banner .planet.neptune { width: 15px; height: 15px; background-image: url('../images/Planets/Neptune.PNG'); }