:root {
    --bg-color: #050508;
    --accent-color: #00f2ff;
    --accent-glow: rgba(0, 242, 255, 0.5);
    --secondary-color: #ff00ea;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    overflow: hidden;
    width: 100vw;
    height: 100vh;
}

#game-container {
    position: relative;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #1a1a2e 0%, #050508 100%);
}

#game-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* HUD Styling */
#hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 10;
}

.hud-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.score-container {
    display: flex;
    flex-direction: column;
}

.label {
    font-size: 0.75rem;
    letter-spacing: 0.2rem;
    color: var(--text-secondary);
    font-weight: 600;
}

#score {
    font-size: 2.5rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 20px var(--accent-glow);
}

.multiplier-container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.5rem;
    border-radius: 100px;
}

#multiplier {
    font-weight: 800;
    color: var(--accent-color);
}

.hud-bottom {
    display: flex;
    justify-content: center;
    padding-bottom: 1rem;
}

.ability-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.8;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.indicator-ring {
    width: 60px;
    height: 60px;
    border: 3px solid var(--accent-color);
    border-radius: 50%;
    position: relative;
    box-shadow: 0 0 15px var(--accent-glow);
}

.indicator-ring::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background-color: var(--accent-color);
    border-radius: 50%;
    opacity: 0.2;
}

.key-hint {
    font-size: 0.7rem;
    font-weight: 800;
    background: white;
    color: black;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

.ability-name {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1rem;
}

/* Overlays */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.overlay.active {
    opacity: 1;
    pointer-events: all;
}

.glass-panel {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem;
    border-radius: 2rem;
    text-align: center;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.1rem;
    margin-bottom: 1rem;
    background: linear-gradient(to bottom, #fff 0%, #aaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.controls-guide {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 1rem;
}

.control-item {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 0.9rem;
}

.control-item span:first-child {
    color: var(--text-secondary);
}

.primary-btn {
    background: white;
    color: black;
    border: none;
    padding: 1rem 2.5rem;
    font-family: inherit;
    font-weight: 800;
    font-size: 1rem;
    border-radius: 100px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.2);
}

.primary-btn:active {
    transform: translateY(0);
}

.final-stats {
    margin-bottom: 2rem;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

#final-score {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-color);
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
    100% { transform: scale(1); opacity: 0.3; }
}

.ready #repel-indicator .indicator-ring::after {
    animation: pulse 1s infinite;
}