:root {
    --bg-color: #1A0A0A;
    --primary: #D63031;
    --secondary: #FF7675;
    --accent: #DFE6E9;
    --glass-bg: rgba(26, 10, 10, 0.7);
    --glass-border: rgba(255, 118, 117, 0.3);
    
    --radius: 12px;
    --font: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--accent);
    font-family: var(--font);
    overflow: hidden; /* Prevent scrolling */
    cursor: default;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

header {
    height: 80px;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(214, 48, 49, 0.5);
}

.target-icon {
    width: 32px;
    height: 32px;
    border: 3px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(214, 48, 49, 0.4);
}

.bullseye {
    width: 12px;
    height: 12px;
    background-color: var(--secondary);
    border-radius: 50%;
}

nav#hud {
    display: flex;
    gap: 30px;
    transition: opacity 0.3s ease;
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.stat-box .label {
    font-size: 11px;
    font-weight: 600;
    color: #888;
    letter-spacing: 1px;
}

.stat-box .value {
    font-size: 20px;
    font-weight: 800;
    color: var(--accent);
    text-shadow: 0 0 5px rgba(255,255,255,0.2);
}

/* Main Game Area */
#game-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    /* Custom cursor shown conditionally */
}

/* Ensure the canvas fills the container */
#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
    /* Radial gradient background drawn in JS, or we can add subtle CSS bg */
    background: radial-gradient(circle at center, #2a1010 0%, #1a0a0a 100%);
}

#game-container.playing {
    cursor: none;
}

/* Custom Crosshair */
#crosshair {
    position: absolute;
    width: 24px;
    height: 24px;
    border: 2px solid var(--secondary);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 100;
    box-shadow: 0 0 10px var(--primary);
}
#crosshair::before, #crosshair::after {
    content: '';
    position: absolute;
    background: var(--secondary);
}
#crosshair::before {
    top: 50%; left: -6px; right: -6px; height: 2px;
    transform: translateY(-50%);
}
#crosshair::after {
    left: 50%; top: -6px; bottom: -6px; width: 2px;
    transform: translateX(-50%);
}
#crosshair.hidden {
    display: none;
}
#crosshair.shoot {
    animation: recoil 0.1s ease-out;
}
@keyframes recoil {
    0% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.3); }
    100% { transform: translate(-50%, -50%) scale(1); }
}

/* Overlays */
.overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5), inset 0 0 20px rgba(255, 118, 117, 0.05);
}

.overlay h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    text-shadow: 0 0 15px rgba(214, 48, 49, 0.5);
    margin-bottom: 10px;
}

.modes {
    display: flex;
    gap: 20px;
    width: 100%;
}

.mode-card {
    flex: 1;
    background: rgba(0,0,0,0.4);
    border: 1px solid #333;
    border-radius: var(--radius);
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.mode-card h3 {
    font-size: 18px;
    color: var(--accent);
    margin-bottom: 8px;
}

.mode-card p {
    font-size: 12px;
    color: #999;
}

.mode-card:hover {
    background: rgba(214, 48, 49, 0.1);
    border-color: var(--secondary);
}

.mode-card.selected {
    background: rgba(214, 48, 49, 0.2);
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(214, 48, 49, 0.3);
}

.settings {
    display: flex;
    gap: 40px;
    width: 100%;
    justify-content: center;
}

.settings label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.settings select {
    background: rgba(0,0,0,0.6);
    color: var(--accent);
    border: 1px solid #444;
    padding: 10px 15px;
    border-radius: 8px;
    font-family: var(--font);
    font-size: 14px;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
}

.settings select:focus, .settings select:hover {
    border-color: var(--secondary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #b82a2a 100%);
    color: white;
    border: none;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 2px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 10px 20px rgba(214, 48, 49, 0.4);
    text-transform: uppercase;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(214, 48, 49, 0.6);
    background: linear-gradient(135deg, #e63939 0%, #c42d2d 100%);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 5px 10px rgba(214, 48, 49, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--secondary);
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 2px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(255, 118, 117, 0.1);
}

.final-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    width: 100%;
}

.final-stats .stat {
    background: rgba(0,0,0,0.4);
    padding: 20px;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.final-stats .highlight {
    color: var(--primary);
    text-shadow: 0 0 15px rgba(214, 48, 49, 0.6);
}

.chart-container {
    width: 100%;
    margin-top: 10px;
}

.chart-container h3 {
    font-size: 14px;
    color: #aaa;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#chartCanvas {
    width: 100%;
    border-radius: 8px;
    background: rgba(0,0,0,0.5);
    border: 1px solid #333;
}

.actions {
    display: flex;
    gap: 20px;
}

.hidden {
    display: none !important;
}