@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

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

body {
    cursor: auto;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f23 70%, #000000 100%);
    font-family: 'Orbitron', monospace;
    color: #00d4ff;
}

body.game-active {
    cursor: none;
}

/* Animated starfield background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #ffffff, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #00d4ff, transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 160px 30px, #ffffff, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: twinkle 4s linear infinite;
    z-index: -1;
    opacity: 0.8;
}

@keyframes twinkle {
    from { transform: translateY(0); }
    to { transform: translateY(-100px); }
}

.main-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(138, 43, 226, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at center, #0a0a1a 0%, #000000 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    cursor: auto;
}

.menu-content {
    text-align: center;
    color: #00d4ff;
    font-family: 'Orbitron', monospace;
    position: relative;
}

.menu-content::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #00d4ff, transparent);
    box-shadow: 0 0 20px #00d4ff;
}

.menu-content h1 {
    font-size: 48px;
    margin-bottom: 10px;
    text-shadow: 0 0 20px #00d4ff, 0 0 40px #00d4ff;
    color: #ffffff;
    font-weight: 900;
    letter-spacing: 4px;
}

.menu-subtitle {
    font-size: 18px;
    color: #7fa8da;
    margin-bottom: 40px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.level-selection h2 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #00d4ff;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.level-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 0, 0, 0.8) 100%);
    border: 1px solid #2a3f5f;
    border-radius: 8px;
    padding: 20px;
    margin: 15px 0;
    width: 600px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    position: relative;
    overflow: hidden;
}

.level-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.2), transparent);
    transition: left 0.5s;
}

.level-item.unlocked {
    border-color: #00d4ff;
    box-shadow: inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.level-item.unlocked:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 0, 0, 0.9) 100%);
    border-color: #ffffff;
    box-shadow: 
        0 0 30px rgba(0, 212, 255, 0.5),
        inset 0 0 30px rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.level-item.unlocked:hover::before {
    left: 100%;
}

.level-item.locked {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #ff3860;
    background: linear-gradient(135deg, rgba(255, 56, 96, 0.1) 0%, rgba(0, 0, 0, 0.8) 100%);
}

.level-info {
    text-align: left;
}

.level-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 5px;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.level-difficulty {
    font-size: 12px;
    color: #ffaa00;
    margin-bottom: 8px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.level-description {
    font-size: 14px;
    color: #7fa8da;
    font-weight: 400;
}

.level-status {
    font-size: 14px;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.level-status.unlocked {
    background: linear-gradient(135deg, #00d4ff, #0099cc);
    color: #000000;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.level-status.locked {
    background: linear-gradient(135deg, #ff3860, #cc1144);
    color: #ffffff;
}

.completion-message {
    cursor: auto !important;
}

.completion-message * {
    cursor: auto !important;
}

#gameContainer {
    position: relative;
    width: 100vw;
    height: 100vh;
}

#gameCanvas {
    display: block;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f23 70%, #000000 100%);
}

.ui-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

.crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    pointer-events: none;
}

.crosshair::before,
.crosshair::after {
    content: '';
    position: absolute;
    background: #00d4ff;
    box-shadow: 0 0 10px #00d4ff;
}

.crosshair::before {
    width: 2px;
    height: 8px;
    top: 4px;
    left: 7px;
}

.crosshair::after {
    width: 8px;
    height: 2px;
    top: 7px;
    left: 4px;
}

.hud {
    position: absolute;
    top: 20px;
    left: 20px;
    color: #00d4ff;
    font-weight: 700;
    font-family: 'Orbitron', monospace;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 212, 255, 0.1));
    padding: 20px;
    border: 1px solid #00d4ff;
    border-radius: 8px;
    pointer-events: none;
    backdrop-filter: blur(10px);
    box-shadow: 
        0 0 20px rgba(0, 212, 255, 0.2),
        inset 0 0 20px rgba(0, 212, 255, 0.05);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.controls-help {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: #7fa8da;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9), rgba(42, 63, 95, 0.2));
    padding: 20px;
    border: 1px solid #2a3f5f;
    border-radius: 8px;
    font-family: 'Orbitron', monospace;
    font-size: 12px;
    line-height: 1.6;
    pointer-events: none;
    backdrop-filter: blur(10px);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.completion-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 0, 0, 0.95));
    color: #00d4ff;
    padding: 40px;
    border: 2px solid #00d4ff;
    border-radius: 12px;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    font-family: 'Orbitron', monospace;
    display: none;
    pointer-events: all;
    z-index: 2000;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 0 50px rgba(0, 212, 255, 0.5),
        inset 0 0 30px rgba(0, 212, 255, 0.1);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.reset-btn {
    margin: 15px 5px;
    padding: 12px 24px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 0, 0, 0.8));
    color: #00d4ff;
    border: 1px solid #00d4ff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    font-family: 'Orbitron', monospace;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
    backdrop-filter: blur(5px);
}

.reset-btn:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(0, 0, 0, 0.9));
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.stats-panel {
    position: absolute;
    bottom: 20px;
    right: 20px;
    color: #7fa8da;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9), rgba(42, 63, 95, 0.2));
    padding: 20px;
    border: 1px solid #2a3f5f;
    border-radius: 8px;
    font-family: 'Orbitron', monospace;
    font-size: 12px;
    backdrop-filter: blur(10px);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.game-message {
    position: fixed;
    bottom: 150px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 0, 0, 0.9));
    color: #00d4ff;
    padding: 15px 30px;
    border: 1px solid #00d4ff;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    font-family: 'Orbitron', monospace;
    z-index: 1500;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    text-align: center;
    backdrop-filter: blur(10px);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.game-message.show {
    opacity: 1;
    animation: message-slide 0.5s ease;
}

@keyframes message-slide {
    from { 
        transform: translateX(-50%) translateY(20px);
        opacity: 0;
    }
    to { 
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

.game-message.checkpoint {
    border-color: #00ff88;
    color: #00ff88;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.game-message.fall {
    border-color: #ff3860;
    color: #ff3860;
    box-shadow: 0 0 20px rgba(255, 56, 96, 0.3);
}

/* Sci-fi loading animation for menu */
.main-menu::after {
    content: '';
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00d4ff, transparent);
    animation: scanning 2s linear infinite;
}

@keyframes scanning {
    0% { opacity: 0.3; transform: translateX(-50%) scaleX(0.5); }
    50% { opacity: 1; transform: translateX(-50%) scaleX(1); }
    100% { opacity: 0.3; transform: translateX(-50%) scaleX(0.5); }
}