/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Roboto:wght@300;400;500;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap');


/* Main styling */
body {
    background: linear-gradient(135deg, #e0f2f7 0%, #b3e0f2 100%); /* Light blue gradient */
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    color: #333; /* Default text color */
}

.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
}

/* Header styling */
.game-header {
    background: linear-gradient(90deg, #FF6B6B, #4ECDC4, #45B7D1);
    background-size: 300% 300%;
    animation: gradientShift 3s ease infinite;
    color: white;
    text-align: center;
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Game card styling */
.game-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 25px;
    margin: 15px 0;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.18);
    transition: all 0.3s ease;
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* Progress bar styling */
.progress-container {
    background: rgba(255,255,255,0.2);
    border-radius: 25px;
    padding: 5px;
    margin: 20px 0;
}

.progress-bar {
    background: linear-gradient(90deg, #00C9FF, #92FE9D);
    height: 30px;
    border-radius: 20px;
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    min-width: 0; /* Allow it to be 0% width */
}

/* XP and Level styling */
.stats-container {
    display: flex;
    justify-content: space-around;
    margin: 20px 0;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    gap: 10px; /* Space between items */
}

.stat-item {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 15px 20px;
    border-radius: 15px;
    text-align: center;
    min-width: 120px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    font-family: 'Orbitron', monospace;
    flex-grow: 1; /* Allow items to grow */
}

.stat-value {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 12px;
    opacity: 0.8;
}

/* General button styling */
.button-group {
    display: flex;
    gap: 10px; /* Space between buttons */
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 20px;
}

.button-group button, .button-full-width {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 15px;
    padding: 15px 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    flex: 1; /* Make buttons grow to fill space */
    min-width: 150px; /* Minimum width for buttons */
    text-decoration: none; /* For anchor tags acting as buttons */
    display: inline-block;
}

.button-full-width {
    width: 100%;
}

.button-group button:hover, .button-full-width:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    background: linear-gradient(135deg, #7b8cec, #8a5bb8);
}


/* Achievement badge */
.achievement {
    background: linear-gradient(45deg, #FFD700, #FFA500);
    color: #333;
    padding: 10px 20px;
    border-radius: 25px;
    display: inline-block;
    margin: 10px 5px;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Welcome screen styling */
.welcome-container {
    text-align: center;
    padding: 50px;
    background: rgba(255,255,255,0.1);
    border-radius: 30px;
    backdrop-filter: blur(10px);
    margin: 20px auto; /* Centered */
    max-width: 900px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.welcome-title {
    font-size: 3.5em;
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    background: linear-gradient(45deg, #FF6B6B, #4ECDC4, #45B7D1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.welcome-text {
    font-size: 1.3em;
    color: #34495e; /* Darker text for readability */
    margin: 30px 0;
    line-height: 1.6;
}

.welcome-text strong {
    color: #2c3e50;
}

.welcome-image {
    max-width: 100%;
    max-height: 100px; /* fixed syntax */
    border-radius: 12px; /* slightly softer than 15px */
    margin-top:60px;
    object-fit: contain; /* keeps aspect ratio without distortion */
    display: block;
    margin-left: auto;
    margin-right: auto; /* centers the image */
    box-shadow: 0 6px 15px rgba(0,0,0,0.15); /* softer shadow for a clean look */
}


/* Certificate styling */
.certificate {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    margin: 20px auto;
    max-width: 600px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border: 3px solid #FFD700;
}

/* Video container styling */
.video-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    margin: 20px 0;
    width: 100%; /* Ensure video container takes full width */
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
}

/* Question container styling */
.question-container {
    background: linear-gradient(135deg, #FF6B6B, #4ECDC4);
    color: white;
    padding: 25px;
    border-radius: 20px;
    margin: 20px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    text-align: center;
}

/* Video watched indicator */
.video-watched {
    background: rgba(76, 175, 80, 0.1);
    border: 2px solid #4CAF50;
    border-radius: 10px;
    padding: 15px;
    margin: 10px 0;
    color: #2E7D32;
    font-weight: bold;
    text-align: center;
}

/* Feedback messages */
.feedback.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #badbcc;
    padding: 15px;
    margin: 15px 0;
    border-radius: 8px;
    text-align: center;
}

.feedback.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    padding: 15px;
    margin: 15px 0;
    border-radius: 8px;
    text-align: center;
}

.feedback.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
    padding: 15px;
    margin: 15px 0;
    border-radius: 8px;
    text-align: center;
}

/* Utility classes for layout */
.columns-3 {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    flex-wrap: wrap; /* Allow wrapping */
}

.columns-3 > div {
    flex: 1;
    min-width: 250px; /* Ensure columns don't get too small */
}

.columns-5 {
    display: flex;
    justify-content: space-around;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.columns-5 > div {
    flex: 1;
    min-width: 150px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', monospace;
    color: #34495e;
}

p {
    line-height: 1.6;
}