* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    overflow: hidden;
    background: #050510;
    font-family: 'Rajdhani', sans-serif;
    color: #88ccff;
}

#loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: #050510;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 1.5s ease;
}

#loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 60px;
    height: 60px;
    border: 2px solid rgba(100, 180, 255, 0.1);
    border-top-color: #44aaff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 30px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

#loading-overlay h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 8px;
    color: #88ddff;
    text-shadow: 0 0 40px rgba(68, 170, 255, 0.5), 0 0 80px rgba(68, 170, 255, 0.3);
}

#loading-overlay p {
    opacity: 0.6;
    font-size: 1rem;
    letter-spacing: 2px;
    color: #6699cc;
}

.progress-bar {
    width: 300px;
    height: 3px;
    background: rgba(68, 170, 255, 0.2);
    border-radius: 2px;
    margin-top: 30px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(68, 170, 255, 0.1);
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #44aaff, #88ddff, #44aaff);
    transition: width 0.3s ease;
    box-shadow: 0 0 30px rgba(68, 170, 255, 0.5);
}

#header {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    text-align: center;
    pointer-events: none;
    opacity: 0.9;
}

#header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 10px;
    color: #88ddff;
    text-shadow: 0 0 60px rgba(68, 170, 255, 0.4), 0 0 100px rgba(68, 170, 255, 0.2);
}

#header p {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.9rem;
    opacity: 0.7;
    letter-spacing: 6px;
    margin-top: 8px;
    color: #6699cc;
    text-transform: uppercase;
}

.header-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #44aaff, transparent);
    margin: 15px auto 0;
    box-shadow: 0 0 20px rgba(68, 170, 255, 0.5);
}

/* ===== INFO PANEL ===== */
#info-panel {
    position: absolute;
    top: 50%;
    right: 40px;
    transform: translateY(-50%);
    z-index: 10;
    background: rgba(5, 5, 16, 0.85);
    backdrop-filter: blur(15px);
    padding: 30px 35px;
    border-radius: 20px;
    border: 1px solid rgba(68, 170, 255, 0.2);
    box-shadow: 0 0 60px rgba(68, 170, 255, 0.1), inset 0 0 40px rgba(68, 170, 255, 0.05);
    max-width: 380px;
    transition: all 0.5s ease;
}

#info-panel.hidden {
    opacity: 0;
    transform: translateY(-50%) translateX(50px);
    pointer-events: none;
}

.planet-icon {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 30px rgba(68, 170, 255, 0.4));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

#planet-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    color: #88ddff;
    text-shadow: 0 0 30px rgba(68, 170, 255, 0.4);
    letter-spacing: 6px;
    margin-bottom: 10px;
}

.planet-line {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, #44aaff, transparent);
    margin: 15px 0;
    box-shadow: 0 0 10px rgba(68, 170, 255, 0.3);
}

#planet-description {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: #aaccee;
    opacity: 0.9;
    margin-bottom: 20px;
    text-align: center;
}

.planet-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: rgba(68, 170, 255, 0.05);
    border-radius: 10px;
    border-left: 3px solid #44aaff;
}

.stat-label {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.85rem;
    color: #6699cc;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.95rem;
    color: #88ddff;
    font-weight: 600;
}

/* ===== NAV CONTROLS ===== */
#nav-controls {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(5, 5, 16, 0.8);
    backdrop-filter: blur(12px);
    padding: 15px 25px;
    border-radius: 50px;
    border: 1px solid rgba(68, 170, 255, 0.15);
    box-shadow: 0 0 40px rgba(68, 170, 255, 0.1);
}

#nav-controls button {
    padding: 12px 25px;
    background: rgba(68, 170, 255, 0.08);
    border: 1px solid rgba(68, 170, 255, 0.2);
    color: #88ccff;
    border-radius: 25px;
    cursor: pointer;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s;
    letter-spacing: 1px;
    text-transform: uppercase;
}

#nav-controls button:hover {
    background: rgba(68, 170, 255, 0.2);
    transform: scale(1.05);
    border-color: #44aaff;
    box-shadow: 0 0 30px rgba(68, 170, 255, 0.3);
}

#nav-controls button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

.planet-indicators {
    display: flex;
    gap: 8px;
}

.planet-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(68, 170, 255, 0.2);
    border: 2px solid rgba(68, 170, 255, 0.3);
    transition: all 0.3s;
    cursor: pointer;
}

.planet-indicator:hover {
    background: rgba(68, 170, 255, 0.4);
    transform: scale(1.2);
}

.planet-indicator.active {
    background: #44aaff;
    border-color: #88ddff;
    box-shadow: 0 0 20px rgba(68, 170, 255, 0.6);
    transform: scale(1.3);
}

/* ===== CONTROLES ===== */
#controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 12px;
    background: rgba(5, 5, 16, 0.8);
    backdrop-filter: blur(12px);
    padding: 12px 20px;
    border-radius: 50px;
    border: 1px solid rgba(68, 170, 255, 0.15);
}

#controls button {
    padding: 10px 18px;
    background: rgba(68, 170, 255, 0.05);
    border: 1px solid rgba(68, 170, 255, 0.1);
    color: #88ccff;
    border-radius: 25px;
    cursor: pointer;
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
    min-width: 50px;
    letter-spacing: 1px;
}

#controls button:hover {
    background: rgba(68, 170, 255, 0.15);
    transform: scale(1.05);
    border-color: rgba(68, 170, 255, 0.3);
    box-shadow: 0 0 20px rgba(68, 170, 255, 0.2);
}

#controls button.activo {
    background: rgba(68, 170, 255, 0.2);
    border-color: #44aaff;
    box-shadow: 0 0 30px rgba(68, 170, 255, 0.3);
}

#audio-indicator {
    position: absolute;
    top: 80px;
    right: 20px;
    z-index: 10;
    background: rgba(5, 5, 16, 0.8);
    backdrop-filter: blur(8px);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(68, 170, 255, 0.1);
    font-size: 0.75rem;
    font-family: 'Rajdhani', sans-serif;
    color: #88ccff;
    letter-spacing: 1px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    #header h1 { font-size: 1.4rem; letter-spacing: 5px; }
    #header p { font-size: 0.7rem; letter-spacing: 3px; }
    
    #info-panel {
        right: 20px;
        left: 20px;
        top: auto;
        bottom: 180px;
        transform: none;
        max-width: none;
        padding: 20px 25px;
    }
    
    #info-panel.hidden {
        transform: translateY(50px);
    }
    
    .planet-icon { font-size: 3rem; }
    #planet-name { font-size: 1.5rem; letter-spacing: 4px; }
    
    #nav-controls {
        bottom: 100px;
        padding: 12px 18px;
        gap: 10px;
    }
    
    #nav-controls button {
        font-size: 0.7rem;
        padding: 10px 15px;
    }
    
    #controls { padding: 10px 14px; gap: 8px; }
    #controls button { font-size: 0.75rem; padding: 8px 14px; min-width: 45px; }
    
    #loading-overlay h2 { font-size: 1.5rem; letter-spacing: 4px; }
}