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

body {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: #000;
    font-family: 'Courier New', monospace;
    color: #0ff;
    font-size: 14px;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: crosshair;
    background: #000;
}

/* PANELS */
.mission-control,
.celestial-bodies {
    position: absolute;
    background: rgba(20, 40, 80, 0.95);
    border: 2px solid #0ff;
    border-radius: 4px;
    color: #0ff;
    font-size: 12px;
    z-index: 100;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
    max-height: 90vh;
    overflow-y: auto;
}

.mission-control {
    top: 20px;
    left: 20px;
    width: 280px;
}

.celestial-bodies {
    top: 20px;
    right: 20px;
    width: 280px;
    max-height: 85vh;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid #0ff;
    background: rgba(0, 100, 150, 0.5);
}

.panel-header h2 {
    font-size: 14px;
    font-weight: bold;
    text-shadow: 0 0 10px #0ff;
}

.minimize-btn {
    background: none;
    border: 1px solid #0ff;
    color: #0ff;
    cursor: pointer;
    width: 24px;
    height: 24px;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    transition: all 0.2s;
}

.minimize-btn:hover {
    background: rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.panel-content {
    padding: 12px;
}

/* CONTROLS */
.control-group {
    margin-bottom: 15px;
}

.control-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
    color: #0ff;
}

.slider-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

.slider-container input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(to right, #0ff, #00aa99);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #0ff;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0, 255, 255, 0.8);
}

.slider-container input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #0ff;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 5px rgba(0, 255, 255, 0.8);
}

.slider-container span {
    min-width: 45px;
    text-align: right;
    color: #0ff;
}

/* BUTTON GROUP */
.button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 15px 0;
}

.btn {
    padding: 8px 12px;
    border: 2px solid #0ff;
    background: rgba(0, 100, 150, 0.3);
    color: #0ff;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    font-size: 11px;
    font-weight: bold;
    border-radius: 3px;
    transition: all 0.3s;
    text-shadow: 0 0 5px #0ff;
}

.btn:hover {
    background: rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    border-color: #0ff;
}

.btn-secondary {
    border-color: #f0f;
}

.btn-secondary:hover {
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.5);
}

/* TOGGLES */
.toggle-group {
    margin: 15px 0;
}

.toggle-group label {
    display: flex;
    align-items: center;
    margin: 8px 0;
    cursor: pointer;
    font-weight: normal;
}

.toggle-group input[type="checkbox"] {
    margin-right: 8px;
    cursor: pointer;
    width: 14px;
    height: 14px;
}

/* FOLLOW MODE */
.follow-mode {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(0, 255, 255, 0.3);
}

.follow-mode label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

select {
    width: 100%;
    padding: 6px;
    background: rgba(0, 100, 150, 0.5);
    border: 1px solid #0ff;
    color: #0ff;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    border-radius: 2px;
    cursor: pointer;
}

select option {
    background: #000;
    color: #0ff;
}

/* BODIES LIST */
.bodies-content {
    padding: 12px;
}

.body-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.body-item {
    padding: 8px;
    background: rgba(0, 150, 200, 0.2);
    border-left: 3px solid #0ff;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 11px;
}

.body-item:hover {
    background: rgba(0, 150, 200, 0.4);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.body-item.active {
    background: rgba(0, 255, 255, 0.3);
    border-left-color: #f0f;
}

.body-name {
    font-weight: bold;
    margin-bottom: 3px;
}

.body-info {
    font-size: 10px;
    color: #088;
    opacity: 0.8;
}

/* INFO PANEL */
.info-panel {
    position: absolute;
    bottom: 40px;
    left: 20px;
    background: rgba(20, 40, 80, 0.98);
    border: 2px solid #0f0;
    border-radius: 4px;
    padding: 20px;
    min-width: 300px;
    max-width: 400px;
    z-index: 101;
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.3);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.info-panel.hidden {
    display: none;
}

.close-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: none;
    border: 1px solid #0f0;
    color: #0f0;
    width: 24px;
    height: 24px;
    cursor: pointer;
    border-radius: 2px;
    font-size: 18px;
    transition: all 0.2s;
}

.close-btn:hover {
    background: rgba(0, 255, 0, 0.2);
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

#infoName {
    color: #0f0;
    margin-bottom: 15px;
    font-size: 18px;
    text-shadow: 0 0 10px #0f0;
}

.info-content {
    color: #0ff;
}

.info-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    padding: 5px 0;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.info-row span:last-child {
    font-weight: bold;
    color: #0f0;
}

/* NAV INFO */
.nav-info {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(20, 40, 80, 0.8);
    border: 1px solid #0ff;
    padding: 8px 12px;
    border-radius: 3px;
    font-size: 11px;
    color: #0ff;
    text-shadow: 0 0 5px #0ff;
    pointer-events: none;
}

/* SCROLLBAR CUSTOMIZATION */
.mission-control::-webkit-scrollbar,
.celestial-bodies::-webkit-scrollbar {
    width: 8px;
}

.mission-control::-webkit-scrollbar-track,
.celestial-bodies::-webkit-scrollbar-track {
    background: rgba(0, 100, 150, 0.2);
}

.mission-control::-webkit-scrollbar-thumb,
.celestial-bodies::-webkit-scrollbar-thumb {
    background: #0ff;
    border-radius: 4px;
}

.mission-control::-webkit-scrollbar-thumb:hover,
.celestial-bodies::-webkit-scrollbar-thumb:hover {
    background: #0f0;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
    .mission-control,
    .celestial-bodies {
        font-size: 11px;
        width: 240px;
    }

    .panel-header h2 {
        font-size: 13px;
    }

    .slider-container span {
        min-width: 40px;
    }

    .info-panel {
        min-width: 280px;
        max-width: 350px;
        bottom: 30px;
        left: 15px;
    }
}

@media (max-width: 768px) {
    .mission-control {
        width: 220px;
        top: 10px;
        left: 10px;
    }

    .celestial-bodies {
        width: 220px;
        top: 10px;
        right: 10px;
        max-height: 70vh;
    }

    .button-group {
        grid-template-columns: 1fr;
    }

    .info-panel {
        min-width: 250px;
        max-width: 280px;
        bottom: 20px;
        left: 10px;
        padding: 15px;
    }

    #infoName {
        font-size: 16px;
    }

    .info-row {
        font-size: 11px;
    }

    .nav-info {
        font-size: 10px;
        padding: 6px 10px;
    }
}

@media (max-width: 480px) {
    .mission-control,
    .celestial-bodies {
        width: 180px;
        font-size: 10px;
    }

    .panel-header {
        padding: 8px;
    }

    .panel-header h2 {
        font-size: 12px;
    }

    .mission-control {
        left: 5px;
    }

    .celestial-bodies {
        right: 5px;
    }

    .control-group label {
        font-size: 11px;
    }

    .info-panel {
        display: none;
    }
}

/* LOADING STATE */
@keyframes glow {
    0%, 100% {
        text-shadow: 0 0 10px #0ff;
    }
    50% {
        text-shadow: 0 0 20px #0ff, 0 0 30px #0ff;
    }
}