:root {
    --bg-dark: #050010;
    --neon-purple: #b026ff;
    --neon-orange: #ff9900;
    --glass-bg: rgba(20, 0, 40, 0.8);
    --glass-border: 1px solid rgba(176, 38, 255, 0.3);
    --text-main: #e0d0ff;
    --font-header: 'Orbitron', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
}

* {
    box-sizing: border-box;
    user-select: none;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    background-image: url('bg.png');
    background-size: cover;
    background-position: center;
    color: var(--text-main);
    font-family: var(--font-mono);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0));
    z-index: 10;
}

.game-title {
    font-family: var(--font-header);
    font-size: 2.5rem;
    color: var(--neon-orange);
    text-shadow: 0 0 10px var(--neon-purple);
    letter-spacing: 2px;
    font-weight: 900;
    font-style: italic;
}

.hud-stats {
    display: flex;
    gap: 3rem;
}

.stat-box {
    text-align: center;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--neon-purple);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-size: 1.5rem;
    color: #fff;
    font-family: var(--font-header);
    text-shadow: 0 0 5px var(--neon-orange);
}

.exit-btn {
    color: #ff3333;
    text-decoration: none;
    border: 1px solid #ff3333;
    padding: 5px 15px;
    font-size: 0.8rem;
    transition: all 0.3s;
    font-family: var(--font-header);
}

.exit-btn:hover {
    background: #ff3333;
    color: #000;
    box-shadow: 0 0 15px #ff3333;
}

main {
    flex: 1;
    display: flex;
    padding: 2rem;
    gap: 2rem;
    overflow: hidden;
}

/* Left Panel (Controls) & Center Panel (Telemetry) share glass style */
.panel-left,
.panel-center {
    flex: 1;
    background: var(--glass-bg);
    backdrop-filter: blur(5px);
    border: var(--glass-border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 300px;
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(176, 38, 255, 0.2);
}

.panel-header {
    font-family: var(--font-header);
    color: var(--neon-purple);
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(176, 38, 255, 0.3);
    padding-bottom: 0.5rem;
    text-align: center;
}

/* Specifics for Center Panel (Telemetry) */
.panel-center {
    max-height: 50vh;
    /* Half height */
    margin-top: auto;
    /* Push to bottom */
}

/* Right Panel (Rocket Engine) */
.panel-right {
    flex: 2;
    /* Take up more space */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Sliders */
.component-group {
    margin-bottom: 1rem;
}

.component-label {
    color: var(--neon-orange);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.slider {
    flex: 1;
    -webkit-appearance: none;
    height: 5px;
    background: #333;
    outline: none;
    border-radius: 5px;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--neon-purple);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--neon-purple);
}

.ratio-display {
    font-family: var(--font-header);
    color: #fff;
    font-size: 0.9rem;
    min-width: 150px;
    text-align: right;
    color: var(--neon-orange);
}

/* Info Card */
.info-card {
    background: rgba(0, 0, 0, 0.5);
    padding: 1rem;
    border: 1px solid var(--neon-orange);
    margin-top: auto;
}

.card-header {
    color: var(--neon-orange);
    font-family: var(--font-header);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.card-body {
    font-size: 0.8rem;
    line-height: 1.4;
}

.learn-link {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--neon-purple);
    text-decoration: none;
    font-size: 0.8rem;
}

.learn-link:hover {
    color: #fff;
    text-shadow: 0 0 5px var(--neon-purple);
}

#engine-container {
    flex: 1;
    width: 100%;
    display: flex;
    border-radius: 50% 50% 20% 20%;
    filter: blur(5px);
    opacity: 0.8;
    transition: height 0.2s;
}

.flame.active {
    height: 120px;
    animation: flicker 0.1s infinite alternate;
}

@keyframes flicker {
    from {
        transform: translateX(-50%) scale(1);
        opacity: 0.9;
    }

    to {
        transform: translateX(-50%) scale(1.1);
        opacity: 0.7;
    }
}

.controls-area {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.main-action-btn {
    background: var(--neon-orange);
    color: #000;
    border: none;
    padding: 1rem 2rem;
    font-family: var(--font-header);
    font-size: 1.2rem;
    cursor: pointer;
    clip-path: polygon(10% 0, 100% 0, 100% 80%, 90% 100%, 0 100%, 0 20%);
    transition: all 0.2s;
    font-weight: 900;
    text-transform: uppercase;
}

.main-action-btn:hover {
    background: #fff;
    box-shadow: 0 0 20px var(--neon-orange);
    transform: scale(1.05);
}

.secondary-action-btn {
    background: transparent;
    border: 1px solid var(--neon-purple);
    color: var(--neon-purple);
    padding: 1rem 2rem;
    font-family: var(--font-header);
    cursor: pointer;
    clip-path: polygon(10% 0, 100% 0, 100% 80%, 90% 100%, 0 100%, 0 20%);
    transition: all 0.2s;
}

.secondary-action-btn:hover {
    background: rgba(176, 38, 255, 0.2);
    box-shadow: 0 0 15px var(--neon-purple);
}

#feedback-msg {
    background: rgba(0, 0, 0, 0.8);
    padding: 0.8rem 2rem;
    border: 1px solid var(--neon-purple);
    color: #fff;
    font-family: var(--font-header);
    text-align: center;
    width: 100%;
}

/* Right Panel */
.telemetry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.telemetry-item {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.t-label {
    font-size: 0.7rem;
    color: #aaa;
    margin-bottom: 0.3rem;
}

.t-value {
    font-size: 1.2rem;
    color: var(--neon-orange);
}

.log-console {
    flex: 1;
    background: #000;
    border: 1px solid #333;
    padding: 0.5rem;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--neon-purple);
    overflow-y: auto;
    overflow-x: hidden;
    word-wrap: break-word;
}

.log-line {
    margin-bottom: 0.2rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal-content {
    background: #100020;
    border: 2px solid var(--neon-purple);
    padding: 3rem;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 0 50px rgba(176, 38, 255, 0.3);
    position: relative;
}

.modal-title {
    font-family: var(--font-header);
    color: var(--neon-orange);
    margin-top: 0;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: #fff;
    cursor: pointer;
    font-size: 1.5rem;
}

#result-icon {
    font-size: 4rem;
    margin: 1rem 0;
}

#result-reward {
    color: #fff;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 1rem 0;
}

/* Shake Animation */
@keyframes shake {
    0% {
        transform: translate(1px, 1px) rotate(0deg);
    }

    10% {
        transform: translate(-1px, -2px) rotate(-1deg);
    }

    20% {
        transform: translate(-3px, 0px) rotate(1deg);
    }

    30% {
        transform: translate(3px, 2px) rotate(0deg);
    }

    40% {
        transform: translate(1px, -1px) rotate(1deg);
    }

    50% {
        transform: translate(-1px, 2px) rotate(-1deg);
    }

    60% {
        transform: translate(-3px, 1px) rotate(0deg);
    }

    70% {
        transform: translate(3px, 1px) rotate(-1deg);
    }

    80% {
        transform: translate(-1px, -1px) rotate(1deg);
    }

    90% {
        transform: translate(1px, 2px) rotate(0deg);
    }

    100% {
        transform: translate(1px, -2px) rotate(-1deg);
    }
}

.shake {
    animation: shake 0.5s;
    animation-iteration-count: infinite;
}

@media (max-width: 1024px) {
    body {
        height: auto;
        overflow-y: auto;
    }

    main {
        flex-direction: column;
        height: auto;
        padding: 1rem;
        gap: 1rem;
    }

    .panel-left,
    .panel-center,
    .panel-right {
        width: 100%;
        min-width: 0;
    }

    .panel-center {
        order: 3;
        /* Move telemetry to bottom */
        max-height: none;
    }

    .panel-right {
        order: 1;
        /* Engine on top */
        min-height: 300px;
    }

    .panel-left {
        order: 2;
        /* Controls in middle */
    }

    .hud-stats {
        gap: 1rem;
    }

    header {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
}