:root {
    --bg-color: #0b0e14;
    --card-bg: rgba(23, 28, 36, 0.7);
    --primary-color: #58a6ff;
    --text-color: #c9d1d9;
    --text-bright: #f0f6fc;
    --accent-color: #ff7b72;
    --success-color: #3fb950;
    --border-color: rgba(240, 246, 252, 0.1);
    --glass-blur: 15px;
    --transition-speed: 0.8s;
    --font-family: 'Outfit', sans-serif;
}

.theme-light {
    --bg-color: #f0f4f8;
    --card-bg: rgba(255, 255, 255, 0.8);
    --primary-color: #0969da;
    --text-color: #24292f;
    --text-bright: #1f2328;
    --accent-color: #cf222e;
    --success-color: #1a7f37;
    --border-color: rgba(0, 0, 0, 0.1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    overflow: hidden;
}

/* Cinematic Background Layers */
#bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent, rgba(0, 0, 0, 0.4));
    z-index: -1;
}

#dynamic-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 110%;
    /* Extra width for parallax or movement if needed */
    height: 110%;
    background-size: cover;
    background-position: center;
    z-index: -3;
    filter: blur(2px) brightness(0.7);
    transition: filter 1s ease, transform 1s ease;
}

#scene-bg-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -2;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

#game-container {
    width: 90%;
    max-width: 850px;
    z-index: 10;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.content-box {
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: 3.5rem;
    border-radius: 28px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    animation: slideInUp 0.8s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative;
    overflow: hidden;
}

.hidden {
    display: none !important;
}

/* Typography */
h1 {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--text-bright);
    letter-spacing: -2px;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
    color: var(--text-bright);
}

p {
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 1.3rem;
    opacity: 0.95;
}

/* Forms & Inputs */
.input-group {
    margin-bottom: 1.8rem;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 600;
    font-size: 1rem;
    color: var(--primary-color);
}

input {
    width: 100%;
    padding: 1.2rem;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-bright);
    font-family: inherit;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(88, 166, 255, 0.2);
}

/* Buttons and Choices */
.btn-primary,
.btn-secondary,
.choice-btn {
    width: 100%;
    padding: 1.3rem;
    border: none;
    border-radius: 16px;
    font-family: inherit;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #2ea043);
    color: white;
    box-shadow: 0 8px 15px rgba(88, 166, 255, 0.3);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-3px);
    box-shadow: 0 12px 20px rgba(88, 166, 255, 0.4);
}

.choice-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    text-align: left;
    display: flex;
    align-items: center;
    backdrop-filter: blur(5px);
}

.choice-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    color: var(--text-bright);
    padding-left: 2rem;
    transform: translateX(10px);
}

.choice-btn::before {
    content: '→';
    margin-right: 1rem;
    opacity: 0;
    transition: all 0.3s ease;
    transform: translateX(-10px);
}

.choice-btn:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* Progress bar */
#progress-container {
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--card-bg);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

#progress-bar {
    flex-grow: 1;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
}

#progress-bar::after {
    content: '';
    display: block;
    height: 100%;
    width: var(--progress, 0%);
    background: linear-gradient(90deg, #58a6ff, #3fb950);
    border-radius: 5px;
    transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#score-display {
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text-bright);
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.fade-out {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Result & Leaderboard */
.highlight-text {
    font-weight: 800;
    font-size: 1.6rem;
    background: linear-gradient(90deg, #3fb950, #d29922);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 1.5rem;
}

table {
    margin-top: 1.5rem;
    border-radius: 12px;
    overflow: hidden;
}

th {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.2rem;
}

td {
    padding: 1.2rem;
    border-bottom: 1px solid var(--border-color);
}

tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

/* Mobile Adjustments */
@media (max-width: 600px) {
    h1 {
        font-size: 2.8rem;
        letter-spacing: -1px;
    }

    .content-box {
        padding: 2rem;
    }

    p {
        font-size: 1.1rem;
    }
}