:root {
    --neon-blue: #00f2ff;
    --neon-pink: #ff00ff;
    --neon-green: #00ff9d;
    --bg-dark: #050508;
    --panel-bg: rgba(10, 15, 25, 0.8);
    --border-glow: rgba(0, 242, 255, 0.3);
}

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

body {
    background: var(--bg-dark);
    color: white;
    font-family: 'Roboto Mono', monospace;
    overflow: hidden;
}

#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#hud {
    position: relative;
    z-index: 10;
    pointer-events: none;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 30px;
    justify-content: space-between;
}

header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    letter-spacing: 5px;
    background: linear-gradient(to right, var(--neon-blue), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(0, 242, 255, 0.5));
}

.subtitle {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 5px;
}

.panel {
    background: var(--panel-bg);
    border-left: 3px solid var(--neon-blue);
    padding: 20px;
    backdrop-filter: blur(10px);
    pointer-events: auto;
    max-width: 400px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    border-radius: 0 5px 5px 0;
}

.panel-header {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.7rem;
    color: var(--neon-blue);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.info-row {
    margin-bottom: 10px;
}

.label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.4);
    display: block;
}

.value {
    font-size: 0.9rem;
    color: white;
    word-break: break-all;
}

.link-value {
    color: var(--neon-blue);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 242, 255, 0.2);
    transition: all 0.2s ease;
}

.link-value:hover {
    color: white;
    border-bottom-color: var(--neon-blue);
}

#controls-hint {
    font-size: 0.7rem;
    border-left-color: var(--neon-pink);
    align-self: flex-start;
}

#controls-hint p {
    margin-bottom: 5px;
}

#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    transition: opacity 1s ease-out;
}

.loader {
    text-align: center;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(0, 242, 255, 0.1);
    border-top-color: var(--neon-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

#loading-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.action-btn {
    width: 100%;
    margin-top: 15px;
    padding: 10px;
    background: rgba(0, 242, 255, 0.1);
    border: 1px solid rgba(0, 242, 255, 0.5);
    color: var(--neon-blue);
    font-family: 'Orbitron', sans-serif;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.action-btn:hover {
    background: rgba(0, 242, 255, 0.2);
    box-shadow: 0 0 10px rgba(0, 242, 255, 0.3);
}

.action-btn:active {
    background: rgba(0, 242, 255, 0.4);
}

#mobile-controls {
    display: none; /* Hidden by default on desktop */
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    justify-content: space-between;
    align-items: flex-end;
    pointer-events: none; /* Let clicks pass through empty space */
    z-index: 20;
}

.d-pad {
    display: grid;
    grid-template-columns: repeat(3, 50px);
    grid-template-rows: repeat(2, 50px);
    gap: 10px;
    pointer-events: auto;
}

.d-pad .up { grid-column: 2; grid-row: 1; }
.d-pad .left { grid-column: 1; grid-row: 2; }
.d-pad .down { grid-column: 2; grid-row: 2; }
.d-pad .right { grid-column: 3; grid-row: 2; }

.action-pad {
    display: grid;
    grid-template-columns: repeat(2, 60px);
    grid-template-rows: repeat(2, 50px);
    gap: 10px;
    pointer-events: auto;
}

.ctrl-btn {
    background: rgba(0, 242, 255, 0.15);
    border: 1px solid rgba(0, 242, 255, 0.4);
    color: var(--neon-blue);
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    border-radius: 8px;
    backdrop-filter: blur(4px);
    touch-action: none; /* Prevent scroll on touch */
    user-select: none;
    -webkit-user-select: none;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    outline: none;
}

.ctrl-btn:active {
    background: rgba(0, 242, 255, 0.4);
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.6);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    #mobile-controls {
        display: flex;
    }
    
    #hud {
        padding: 15px;
        pointer-events: none;
    }
    
    .panel {
        max-width: 100%;
        width: 100%;
        margin-bottom: 10px;
        pointer-events: auto;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    #controls-hint {
        display: none; /* Hide desktop controls hint */
    }
}