/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: white;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Layout container */
.container {
    width: 90%;
    max-width: 1000px;
    border: 2px solid black;
    border-radius: 8px;
    overflow: hidden;
}

/* Header styles */
.header {
    background-color: #0077be;
    color: white;
    padding: 1rem;
    text-align: center;
    border-bottom: 2px solid black;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Main content area */
.content {
    padding: 2rem;
}

/* Quiz layout */
.quiz-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Letter display panel */
.letter-panel {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background-color: #f8f9fa;
    border: 2px solid black;
    border-radius: 8px;
}

.greek-letter {
    font-family: 'Times New Roman', serif;
    font-size: 8rem;
}

/* Options panel */
.options-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.options {
    display: grid;
    gap: 1rem;
}

.option {
    padding: 1rem;
    font-size: 1.2rem;
    text-align: center;
    cursor: pointer;
    border: 2px solid black;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.option:hover {
    background-color: #0077be;
    color: white;
}

/* Controls and buttons */
.controls {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.btn {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    color: white;
    background-color: #0077be;
    border: 2px solid black;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #005a8c;
}

/* Score display */
.score {
    font-size: 1.2rem;
    font-weight: bold;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.hidden {
    display: none !important;
}

.quiz-results {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    width: 100%;
}

.score-display {
    background-color: #e2e3e5;
    color: #383d41;
    font-weight: bold;
}

.review-message {
    font-weight: bold;
}

.review-message.perfect {
    background-color: #d4edda;
    color: #155724;
}

.review-message.review {
    background-color: #fff3cd;
    color: #856404;
}

.missed-letters .option {
    background-color: #fff3cd;
    color: #856404;
}