body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #000;
    color: #fff;
    font-family: Arial, sans-serif;
}

#scene-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    z-index: 1;
}

#info {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

h1 {
    margin: 0;
    font-size: 2em;
}

p {
    margin: 5px 0 0 0;
}

/* Facts panel */
.facts-panel {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 350px;
    max-height: 80vh;
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
    z-index: 1000;
    overflow-y: auto;
    transition: opacity 0.3s ease, transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.facts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(30, 30, 50, 0.8);
    border-radius: 10px 10px 0 0;
}

.facts-title {
    margin: 0;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
}

.facts-close {
    background: transparent;
    border: none;
    color: #aaa;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.2s;
}

.facts-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.facts-content {
    padding: 20px;
}

.facts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.fact-row {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 10px;
    align-items: flex-start;
}

.fact-label {
    color: #aad;
    font-weight: 500;
    font-size: 0.9rem;
}

.fact-value {
    color: #fff;
    font-size: 0.9rem;
}

.interesting-facts {
    margin-top: 30px;
}

.interesting-facts h3 {
    color: #aad;
    font-size: 1rem;
    margin-bottom: 12px;
    font-weight: 500;
}

.interesting-facts ul {
    padding-left: 20px;
    margin: 0;
    font-size: 0.9rem;
}

.interesting-facts li {
    margin-bottom: 8px;
    line-height: 1.4;
}

/* Control panel and buttons */
.solar-control-panel {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    background-color: rgba(0, 0, 0, 0.85);
    padding: 18px 30px;
    border-radius: 40px;
    backdrop-filter: blur(10px);
    z-index: 2000;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.7), 0 0 15px rgba(100, 150, 255, 0.3);
    border: 2px solid rgba(120, 160, 255, 0.4);
    max-width: 90%;
}

.solar-control-button,
.solar-reset-button,
.solar-toggle-button {
    background-color: rgba(40, 60, 100, 0.9);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
    font-family: 'Arial', sans-serif;
    min-width: 140px;
    text-align: center;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.solar-control-button:hover,
.solar-reset-button:hover,
.solar-toggle-button:hover {
    background-color: rgba(80, 120, 200, 0.95);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4), 0 0 10px rgba(100, 150, 255, 0.4);
}

.solar-toggle-button.active {
    background-color: rgba(100, 150, 255, 0.95);
    box-shadow: 0 0 15px rgba(100, 150, 255, 0.7);
    border-color: rgba(255, 255, 255, 0.8);
}

.solar-reset-button {
    background-color: rgba(150, 60, 120, 0.9);
}

.solar-reset-button:hover {
    background-color: rgba(180, 80, 150, 0.95);
}

/* Legacy control buttons - for backward compatibility */
.control-button {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    outline: none;
    display: none; /* Hide legacy buttons */
}

.reset-button {
    position: absolute;
    bottom: 20px;
    right: 20px;
    z-index: 100;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    outline: none;
    display: none; /* Hide legacy buttons */
}

.toggle-button {
    position: absolute;
    z-index: 100;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    padding: 8px 15px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    outline: none;
    display: none; /* Hide legacy buttons */
}

/* Language menu */
.lang-menu {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 8px;
    color: white;
    padding: 5px;
    z-index: 100;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.lang-title {
    padding: 6px 10px;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-weight: 500;
}

.lang-options {
    display: flex;
    flex-wrap: wrap;
    padding: 5px;
    justify-content: center;
    gap: 5px;
}

.lang-option {
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
    font-size: 0.8rem;
}

.lang-option:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.lang-option.active {
    background-color: rgba(70, 100, 180, 0.5);
    font-weight: 500;
}

/* Planet label styles */
.planet-label {
    position: fixed;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 5px 10px;
    border-radius: 3px;
    z-index: 101;
    pointer-events: none;
    font-size: 0.9rem;
    transform: translate(10px, -50%);
    backdrop-filter: blur(2px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.permanent-label {
    position: fixed;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 3px 8px;
    border-radius: 2px;
    z-index: 99;
    pointer-events: none;
    font-size: 0.8rem;
    transform: translate(-50%, 0);
    backdrop-filter: blur(1px);
    text-align: center;
}

/* Position for each toggle button */
.toggle-orbits {
    bottom: 20px;
    left: 20px;
}

.toggle-view {
    bottom: 20px;
    left: 140px;
}

.toggle-speed {
    bottom: 20px;
    left: 300px;
}

.toggle-stars {
    bottom: 60px;
    left: 20px;
}

.toggle-labels {
    bottom: 60px;
    left: 140px;
}