/* --- Core Styles & New Font --- */
body {
    font-family: 'Titillium Web', sans-serif;
    background-color: #0c0c1a;
    color: #e0e0e0;
    margin: 0;
    padding: 20px;
    line-height: 1.6;
}

/* --- Animated Starfield Background --- */
@keyframes move-stars {
    from { transform: translateY(0px); }
    to   { transform: translateY(-2000px); }
}

#starfield-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 200%;
    background-image: 
        radial-gradient(1px 1px at 20px 30px, #eee, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 40px 70px, #fff, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 50px 160px, #ddd, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 90px 40px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 150px 120px, #ddd, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 100px 200px, #fff, rgba(0,0,0,0));
    background-repeat: repeat;
    background-size: 250px 250px;
    animation: move-stars 150s linear infinite;
    z-index: -1;
}

/* --- Header & Footer --- */
header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

header h1 {
    font-size: 2.8rem;
    color: #ffffff;
    font-weight: 700;
    margin: 0;
}

.tagline {
    font-size: 1.1rem;
    font-weight: 300;
    color: #ccc;
    max-width: 500px;
    margin: 10px auto 0;
}

footer {
    margin-top: 30px;
    font-size: 0.9rem;
    color: #aaa;
}

footer a {
    color: #61a6ff;
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}

/* --- Dashboard & Widgets --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.widget {
    background-color: rgba(30, 30, 48, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
}

.widget h2 {
    margin-top: 0;
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid #61a6ff;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.loading {
    color: #aaa;
    text-align: center;
    padding: 20px;
}

#apod-widget {
    grid-column: 1 / -1; 
}

#apod-content img, #apod-content iframe {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 6px;
    background-color: #0c0c1a;
}

#apod-content h3 {
    margin-top: 15px;
    margin-bottom: 10px;
    color: #f0f0f0;
    font-size: 1.8rem;
    font-weight: 600;
}

#apod-content p {
    font-size: 1rem;
    font-weight: 300;
    color: #ccc;
}

#epic-image-container img, #mars-photo-content img, #moon-content img {
    max-width: 100%;
    border-radius: 6px;
    background-color: #121212;
    margin-bottom: 15px;
}

.image-caption {
    font-size: 0.9rem;
    color: #ccc;
    margin-top: 10px;
    text-align: center;
}

#moon-content p {
    font-size: 1rem;
    margin: 8px 0;
    padding: 10px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}
#moon-content span {
    font-weight: 300;
    color: #ccc;
    padding-left: 8px;
}

.rover-choice {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.rover-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid #555;
    border-radius: 4px;
    background-color: #333;
    color: #fff;
    cursor: pointer;
    font-family: 'Titillium Web', sans-serif;
    font-size: 1rem;
    transition: background-color 0.2s, border-color 0.2s;
}

.rover-btn.active {
    background-color: #61a6ff;
    border-color: #61a6ff;
}