@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;600;700&display=swap');

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

body {
    font-family: 'Rajdhani', sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0f1629 100%);
    color: #fff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(74, 144, 226, 0.1) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.container {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.screen {
    display: none;
    width: 100%;
    max-width: 900px;
    animation: fadeIn 0.5s ease-in;
}

.screen.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Start Screen */
.logo-container {
    text-align: center;
    margin-bottom: 50px;
}

.game-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(45deg, #FFD700, #FFA500, #FF6B35);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
    animation: glow 2s ease-in-out infinite;
    line-height: 1.2;
}

@keyframes glow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3); }
}

.tagline {
    font-size: 1.5rem;
    color: #4A90E2;
    margin-top: 15px;
    letter-spacing: 2px;
}

.player-input {
    text-align: center;
    margin-bottom: 30px;
}

#playerName {
    width: 100%;
    max-width: 400px;
    padding: 15px 25px;
    font-size: 1.2rem;
    font-family: 'Rajdhani', sans-serif;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid #4A90E2;
    border-radius: 50px;
    color: #fff;
    text-align: center;
    margin-bottom: 20px;
    transition: all 0.3s;
}

#playerName:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.1);
    border-color: #FFD700;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.menu-options {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: 700;
    font-family: 'Orbitron', sans-serif;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #0a0e27;
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.6);
}

.btn-secondary {
    background: rgba(74, 144, 226, 0.2);
    color: #4A90E2;
    border: 2px solid #4A90E2;
}

.btn-secondary:hover {
    background: rgba(74, 144, 226, 0.3);
    border-color: #FFD700;
    color: #FFD700;
}

/* Content Box */
.content-box {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(74, 144, 226, 0.3);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.content-box h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    color: #FFD700;
    text-align: center;
    margin-bottom: 30px;
}

.help-content {
    text-align: left;
    line-height: 1.8;
    font-size: 1.1rem;
}

.help-content ul {
    margin: 20px 0;
    padding-left: 30px;
}

.help-content li {
    margin: 10px 0;
}

/* Game Header */
.game-header {
    text-align: center;
    margin-bottom: 40px;
}

.game-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    color: #FFD700;
    margin-bottom: 15px;
}

.question-number {
    font-size: 1.2rem;
    color: #4A90E2;
}

.score-display {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    padding: 15px 30px;
    border-radius: 50px;
    display: inline-block;
    margin-bottom: 20px;
}

.score-label {
    font-size: 0.9rem;
    color: #0a0e27;
    font-weight: 600;
    display: block;
}

.score-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    color: #0a0e27;
    font-weight: 900;
}

/* Question Container */
.question-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(74, 144, 226, 0.3);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
}

.question-text {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 30px;
    text-align: center;
    color: #fff;
}

/* Options */
.options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.option-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(74, 144, 226, 0.3);
    border-radius: 15px;
    padding: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
}

.option-btn:hover {
    background: rgba(74, 144, 226, 0.2);
    border-color: #4A90E2;
    transform: translateX(10px);
}

.option-btn.correct {
    background: rgba(76, 175, 80, 0.3);
    border-color: #4CAF50;
    animation: correctPulse 0.5s;
}

.option-btn.wrong {
    background: rgba(244, 67, 54, 0.3);
    border-color: #F44336;
    animation: shake 0.5s;
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* Result Message */
.result-message {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
}

.result-message.correct {
    color: #4CAF50;
    background: rgba(76, 175, 80, 0.1);
}

.result-message.wrong {
    color: #F44336;
    background: rgba(244, 67, 54, 0.1);
}

/* Final Screen */
.final-box {
    text-align: center;
}

.final-score {
    margin: 40px 0;
}

.final-amount {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    color: #FFD700;
    font-weight: 900;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
    margin-bottom: 20px;
}

.player-name {
    font-size: 1.5rem;
    color: #4A90E2;
}

/* Leaderboard */
.leaderboard-list {
    margin: 30px 0;
}

.leaderboard-item {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(74, 144, 226, 0.2);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.leaderboard-item:nth-child(1) {
    border-color: #FFD700;
    background: rgba(255, 215, 0, 0.1);
}

.leaderboard-item:nth-child(2) {
    border-color: #C0C0C0;
}

.leaderboard-item:nth-child(3) {
    border-color: #CD7F32;
}

.rank {
    font-size: 1.5rem;
    font-weight: 900;
    color: #FFD700;
    margin-right: 20px;
}

.player-info {
    flex-grow: 1;
    font-size: 1.2rem;
    font-weight: 600;
}

.score {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    color: #4A90E2;
    font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
    .game-title {
        font-size: 2.5rem;
    }
    
    .question-text {
        font-size: 1.2rem;
    }
    
    .option-btn {
        font-size: 1rem;
        padding: 15px;
    }
    
    .final-amount {
        font-size: 2.5rem;
    }
    
    .content-box {
        padding: 25px;
    }
}