:root {
    --bg-color: #050505;
    --neon-cyan: #00f2ff;
    --neon-pink: #ff0055;
    --glass-bg: rgba(10, 20, 30, 0.4); /* More transparent for blur to show */
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-color: #e0e0e0;
    --font-header: 'Orbitron', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-mono);
    height: 100vh;
    overflow: hidden;
    position: relative;
    letter-spacing: 1px;
}

/* --- Dynamic Background --- */
.grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background-image: 
        linear-gradient(rgba(0, 242, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 242, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    animation: gridMove 20s linear infinite;
    pointer-events: none;
    z-index: -1;
}

.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent 50%,
        rgba(0, 242, 255, 0.02) 51%,
        transparent 51%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 9000;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px) translateZ(-200px); }
}

/* --- Boot Loader --- */
#boot-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.boot-text {
    font-family: var(--font-header);
    font-size: 1.5rem;
    color: var(--neon-cyan);
    margin-bottom: 20px;
    text-shadow: 0 0 10px var(--neon-cyan);
    animation: glitch 0.3s infinite alternate;
}

.loader-bar {
    width: 300px;
    height: 2px;
    background: #111;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 242, 255, 0.2);
}

.loader-progress {
    width: 0%;
    height: 100%;
    background: var(--neon-cyan);
    box-shadow: 0 0 20px var(--neon-cyan);
    transition: width 0.1s linear;
}

/* --- Windows --- */
#desktop {
    width: 100%;
    height: 100%;
    position: relative;
}

.hidden {
    display: none !important;
}

.window {
    position: absolute;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.1s ease, box-shadow 0.2s;
    border-radius: 4px;
}

.window.dragging {
    transform: scale(1.02) rotateX(2deg);
    box-shadow: 0 20px 50px rgba(0, 242, 255, 0.15);
}

.window:active {
    z-index: 1000;
}

.window-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 15px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: grab;
    transition: background 0.2s;
}

.window-header:hover {
    background: rgba(0, 242, 255, 0.05);
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.1);
}

.window-header:active {
    cursor: grabbing;
}

.window-title {
    font-family: var(--font-header);
    color: var(--neon-cyan);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-shadow: 0 0 5px var(--neon-cyan);
    text-transform: uppercase;
}

.close-btn {
    cursor: pointer;
    color: var(--neon-pink);
    font-weight: bold;
    font-family: var(--font-header);
    transition: all 0.2s;
}

.close-btn:hover {
    text-shadow: 0 0 10px var(--neon-pink);
    transform: scale(1.1);
}

.window-content {
    flex: 1;
    padding: 15px;
    position: relative;
    overflow: auto;
    color: #fff;
}

/* --- Game Window --- */
#game-canvas {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: block;
    width: 100%;
    height: 300px;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

#game-ui {
    margin-top: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#start-game-btn {
    background: transparent;
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 8px 20px;
    font-family: var(--font-header);
    font-size: 0.8rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}

#start-game-btn:hover {
    background: var(--neon-cyan);
    color: #000;
    box-shadow: 0 0 20px var(--neon-cyan);
}

#game-status {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* --- System Stats --- */
.stat-group {
    margin-bottom: 20px;
}

.stat-group label {
    display: block;
    font-size: 0.7rem;
    color: var(--neon-cyan);
    margin-bottom: 8px;
    font-family: var(--font-header);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.graph-container {
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    height: 60px;
    position: relative;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
}

#cpu-val, #ram-val {
    float: right;
    color: var(--neon-pink);
    font-size: 0.9rem;
    margin-top: 5px;
    text-shadow: 0 0 5px var(--neon-pink);
}

/* --- Terminal --- */
.terminal-content {
    background: rgba(0, 0, 0, 0.6);
    color: var(--text-color);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    padding: 15px;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.output-line {
    margin-bottom: 5px;
    line-height: 1.4;
}

.prompt {
    color: var(--neon-pink);
    margin-right: 10px;
    text-shadow: 0 0 5px var(--neon-pink);
}

#terminal-input {
    background: transparent;
    border: none;
    color: var(--neon-cyan);
    font-family: inherit;
    font-size: inherit;
    flex: 1;
    outline: none;
    text-shadow: 0 0 5px var(--neon-cyan);
}

/* --- Animations --- */
@keyframes glitch {
    0% { opacity: 1; transform: translateX(0); text-shadow: 2px 0 var(--neon-pink); }
    10% { opacity: 0.9; transform: translateX(-2px); text-shadow: -2px 0 var(--neon-cyan); }
    20% { opacity: 1; transform: translateX(2px); text-shadow: 2px 0 var(--neon-pink); }
    100% { opacity: 1; transform: translateX(0); }
}

/* Global Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-anim 0.6s cubic-bezier(0, 0.2, 0.8, 1);
    background: transparent;
    border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 30px var(--neon-cyan), inset 0 0 20px var(--neon-cyan);
    pointer-events: none;
    z-index: 9999;
}

@keyframes ripple-anim {
    to {
        transform: scale(2);
        opacity: 0;
        border-width: 0;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.3);
}
::-webkit-scrollbar-thumb {
    background: var(--neon-cyan);
    border-radius: 3px;
}