* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem;
    text-align: center;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin-top: 1rem;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav ul li a:hover, nav ul li a.active {
    background-color: #34495e;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
}

/* Launchpad Page */
.chat-container {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 2rem;
}

.chat-messages {
    height: 300px;
    overflow-y: auto;
    padding: 1rem;
    border-bottom: 1px solid #eee;
}

.message {
    margin-bottom: 1rem;
    padding: 0.8rem;
    border-radius: 8px;
    max-width: 80%;
}

.message.user {
    background-color: #e3f2fd;
    margin-left: auto;
}

.message.system {
    background-color: #f1f1f1;
}

.example-prompts {
    padding: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.prompt-btn {
    background-color: #f1f1f1;
    border: none;
    border-radius: 16px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.prompt-btn:hover {
    background-color: #e0e0e0;
}

.chat-input {
    display: flex;
    padding: 1rem;
}

.chat-input textarea {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: none;
    height: 60px;
}

.chat-input button {
    background-color: #2c3e50;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0 1.5rem;
    margin-left: 0.5rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.chat-input button:hover {
    background-color: #34495e;
}

.cta-button {
    text-align: center;
}

.cta-button button {
    background-color: #27ae60;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cta-button button:hover {
    background-color: #2ecc71;
}

/* Learning Page */
.rune-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

.rune-card {
    height: 200px;
    perspective: 1000px;
    cursor: pointer;
}

.rune-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.rune-card.flipped .rune-card-inner {
    transform: rotateY(180deg);
}

.rune-card-front, .rune-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    padding: 1rem;
}

.rune-card-front {
    background-color: #3498db;
    color: white;
}

.rune-card-back {
    background-color: #2c3e50;
    color: white;
    transform: rotateY(180deg);
}

.rune-symbol {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.rune-name {
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.rune-latin {
    font-style: italic;
    margin-bottom: 0.5rem;
}

.rune-meaning {
    font-size: 0.9rem;
}

/* Test Page */
.test-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.test-info {
    text-align: center;
    margin-bottom: 1.5rem;
}

.canvas-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.5rem;
}

#drawing-canvas {
    border: 2px solid #ddd;
    border-radius: 4px;
    background-color: #f9f9f9;
    margin-bottom: 1rem;
    touch-action: none;
}

.canvas-controls {
    display: flex;
    gap: 1rem;
}

.canvas-controls button {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#clear-canvas {
    background-color: #e74c3c;
    color: white;
}

#clear-canvas:hover {
    background-color: #c0392b;
}

#submit-drawing {
    background-color: #3498db;
    color: white;
}

#submit-drawing:hover {
    background-color: #2980b9;
}

.feedback-container {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    display: none;
}

.feedback-container.success {
    background-color: #d4edda;
    color: #155724;
    display: block;
}

.feedback-container.error {
    background-color: #f8d7da;
    color: #721c24;
    display: block;
}

#next-rune {
    display: block;
    width: 100%;
    padding: 0.8rem;
    background-color: #27ae60;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#next-rune:hover {
    background-color: #2ecc71;
}

.hidden {
    display: none !important;
}