:root {
    --primary-color: #2b0e40;
    --accent-color: #ffb800;
    --button-color: #00b8ff;
    --correct-color: #2ecc71;
    --wrong-color: #e74c3c;
    --card-bg: rgba(0, 0, 0, 0.7);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

body {
    font-family: Arial, sans-serif;
    background: var(--primary-color);
    color: white;
    -webkit-text-size-adjust: 100%;
    display: flex;
    flex-direction: column;
}

.wrapper {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    position: relative;
    width: 100%;
    height: 100%;
}

.app-container {
    padding: min(15px, 3vw);
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.game-card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 2px solid var(--accent-color);
    margin-bottom: 15px;
    overflow: hidden;
    width: 100%;
}

.header {
    padding: min(15px, 3vw);
    text-align: center;
    background: rgba(0, 0, 0, 0.5);
    border-bottom: 2px solid var(--accent-color);
}

h1 {
    font-size: min(24px, 5vw);
    color: var(--accent-color);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.content-area {
    padding: min(20px, 4vw);
}

.question {
    font-size: min(20px, 4.5vw);
    color: var(--accent-color);
    margin-bottom: min(20px, 4vw);
    line-height: 1.4;
}

.options {
    display: grid;
    grid-template-columns: 1fr;
    gap: min(12px, 3vw);
    margin-bottom: min(20px, 4vw);
}

.option {
    min-height: 45px;
    background: var(--button-color);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: min(18px, 4vw);
    cursor: pointer;
    padding: min(12px, 2vw);
    text-align: center;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.option:active {
    opacity: 0.8;
    transform: scale(0.98);
}

.option.correct {
    background: var(--correct-color);
}

.option.wrong {
    background: var(--wrong-color);
}

.feedback {
    background: rgba(255, 184, 0, 0.1);
    border: 2px solid var(--accent-color);
    border-radius: 8px;
    padding: min(15px, 3vw);
    margin: min(15px, 3vw) 0;
    font-size: min(16px, 3.5vw);
}

#next-btn {
    width: 100%;
    min-height: 50px;
    background: var(--accent-color);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: min(20px, 4.5vw);
    font-weight: bold;
    cursor: pointer;
    margin-top: min(15px, 3vw);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

#next-btn:active {
    opacity: 0.8;
    transform: scale(0.98);
}

.hidden {
    display: none !important;
}

.results-section {
    text-align: center;
    padding: min(20px, 4vw);
}

.trophy-icon {
    font-size: min(50px, 12vw);
    margin: min(20px, 4vw) 0;
    display: inline-block;
}

.victory-message {
    background: linear-gradient(45deg, var(--accent-color), #ff4f4f);
    padding: min(20px, 4vw);
    border-radius: 12px;
    margin: min(20px, 4vw) 0;
    font-size: min(22px, 5vw);
    font-weight: bold;
}

.summary-title {
    margin-bottom: min(15px, 3vw);
    color: var(--accent-color);
    font-size: min(20px, 4.5vw);
}

.summary-item {
    background: rgba(255, 255, 255, 0.1);
    margin: min(15px, 3vw) 0;
    padding: min(15px, 3vw);
    border-radius: 8px;
    text-align: right;
}

p {
    margin-bottom: min(10px, 2vw);
    font-size: min(16px, 3.5vw);
}

/* Landscape mode */
@media (orientation: landscape) {
    .options {
        grid-template-columns: 1fr 1fr;
    }
    
    .option {
        min-height: 40px;
    }
}

/* Very small screens */
@media (max-width: 320px) {
    .app-container {
        padding: 10px;
    }
    
    .content-area, .header {
        padding: 10px;
    }
    
    .options {
        gap: 8px;
    }
    
    .option {
        min-height: 40px;
        font-size: 14px;
    }
}

/* Medium screens */
@media (min-width: 375px) and (max-width: 767px) {
    .option {
        min-height: 50px;
    }
}

/* Large screens */
@media (min-width: 768px) {
    .app-container {
        max-width: 700px;
        margin: 0 auto;
    }
    
    .option {
        min-height: 55px;
        font-size: 18px;
    }
    
    h1 {
        font-size: 24px;
    }
    
    .question {
        font-size: 20px;
    }
}