:root {
    --bg-color: #121212;
    --panel-bg: #1e1e1e;
    --accent-color: #fbbf24; /* Gold/Orange */
    --text-color: #ffffff;
    --text-dark: #000000;
    --border-color: #333333;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background-image: radial-gradient(#2a2a2a 1px, transparent 1px);
    background-size: 20px 20px;
}

#game-container {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 1200px;
    max-height: 600px;
    background: #0f172a; /* Keep dark blue-ish for game bg */
    border-radius: 24px;
    box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.05), 0 20px 50px rgba(0,0,0,0.5);
    overflow: hidden;
    border: 2px solid var(--border-color);
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
}

#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Header */
#header {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 10;
    pointer-events: none; /* Let clicks pass through mostly */
}

.header-left {
    pointer-events: auto;
    background: var(--accent-color);
    color: var(--text-dark);
    padding: 12px 24px;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 20px;
    transform: skewX(-10deg);
    box-shadow: 4px 4px 0px rgba(0,0,0,0.5);
    border-radius: 4px;
}

.header-left span {
    display: block;
    transform: skewX(10deg); /* Un-skew text */
}

.header-right {
    pointer-events: auto;
    background: var(--panel-bg);
    color: var(--accent-color);
    text-decoration: none;
    padding: 10px 20px;
    font-weight: 700;
    border-radius: 30px;
    border: 2px solid var(--accent-color);
    transition: all 0.2s;
    text-transform: uppercase;
    font-size: 14px;
    box-shadow: 0 4px 10px rgba(251, 191, 36, 0.2);
}

.header-right:hover {
    background: var(--accent-color);
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(251, 191, 36, 0.4);
}

#score {
    position: absolute;
    top: 90px;
    right: 30px;
    font-size: 42px;
    font-weight: 900;
    color: var(--text-color);
    text-shadow: 2px 2px 0 #000;
    font-style: italic;
}

/* Screens (Start / Game Over) */
.screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: var(--panel-bg);
    padding: 0; /* Padding handled by inner containers */
    border-radius: 20px;
    border: 2px solid #444;
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    min-width: 500px;
    overflow: hidden;
}

.screen.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0.9);
}

.screen.active {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* Skewed Title Header for Panels */
.panel-header {
    background: var(--accent-color);
    padding: 20px 40px;
    color: var(--text-dark);
    transform: skewX(-10deg);
    margin: 20px -20px 20px -20px; /* Pull out to sides */
    width: calc(100% + 40px);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 0 rgba(0,0,0,0.2);
}

.panel-header h1 {
    transform: skewX(10deg); /* Unskew text */
    margin: 0;
    font-size: 36px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dark);
    background: none;
    -webkit-text-fill-color: initial;
    filter: none;
}

.game-logo {
    max-width: 300px;
    height: auto;
    display: block;
    transform: skewX(10deg); /* Unskew image */
    filter: drop-shadow(0 4px 0 rgba(0,0,0,0.2));
}

.panel-content {
    padding: 20px 40px 40px 40px;
}

p {
    font-size: 18px;
    color: #a0a0a0;
    margin-bottom: 30px;
    font-weight: 500;
}

button {
    background: var(--accent-color);
    color: var(--text-dark);
    border: none;
    padding: 16px 48px;
    font-size: 20px;
    font-weight: 800;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s;
    font-family: 'Outfit', sans-serif;
    text-transform: uppercase;
    box-shadow: 0 4px 0 #b45309; /* Darker gold/orange shadow */
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #b45309;
}

button:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #b45309;
}

#final-score {
    color: var(--accent-color);
    font-weight: 800;
    font-size: 24px;
}