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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f0f2f5;
    padding: 0;
    margin: 0;
}

/* Navigation */
.nav-bar {
    background-color: #333;
    padding: 15px 0;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
}

.nav-links {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    padding: 5px 15px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-links a:hover {
    background-color: #555;
}

.nav-links a.active {
    background-color: #346090;
}

.github-link {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    transition: opacity 0.3s;
}

.github-link:hover {
    opacity: 0.8;
}

/* Container and Common Elements */
.container {
    max-width: 800px;
    margin: 20px auto;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

h3 {
    color: #333;
    margin-bottom: 15px;
}

/* Translator Page Specific */
.translator {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-section, .output-section {
    width: 100%;
}

/* Practice Page Specific */
.practice-container {
    text-align: center;
    margin-top: 20px;
}

.morse-input {
    font-family: monospace;
    font-size: 24px;
    height: 40px;
    margin-bottom: 10px;
    background-color: #f8f9fa;
    padding: 10px;
    border-radius: 5px;
    display: flex;
    align-items: center;
}

.instruction {
    color: #666;
    margin: 20px 0;
    font-size: 16px;
}

/* Common Form Elements */
textarea {
    width: 100%;
    height: 150px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    resize: none;
    font-size: 16px;
    margin-bottom: 10px;
}

textarea:focus {
    outline: none;
    border: 2px solid #346090;  
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.2);
}

/* Buttons container */
.buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 10px 0;
    flex-wrap: nowrap;
}

/* Mobile buttons container */
.mobile-buttons {
    display: none;  /* Hidden by default */
    gap: 10px;
    width: 100%;
}

.mobile-buttons .morse-btn {
    flex: 1;
}

button {
    padding: 10px 20px;
    background-color: #346090;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 16px;
}

button:hover {
    background-color: #000000;
}

/* Mobile Morse Input Buttons */
.morse-btn {
    padding: 10px 20px;
    font-size: 20px;
    background-color: #346090;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    min-width: 60px;
}

.morse-btn:active {
    background-color: #254468;
}

/* Show morse buttons on mobile devices */
@media (max-width: 768px) {
    .mobile-buttons {
        display: flex;
    }
    
    .buttons {
        gap: 5px;
    }
    
    .morse-btn {
        padding: 8px 15px;
        font-size: 18px;
        min-width: 50px;
    }
    
    button {
        padding: 8px 15px;
        font-size: 14px;
    }
}

/* Morse Guide */
.morse-guide {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
}

#morse-table {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    font-size: 14px;
}

.morse-item {
    padding: 8px;
    background-color: #f8f9fa;
    border-radius: 4px;
    text-align: center;
    border: 1px solid #eee;
}

/* Keyboard key style */
kbd {
    background-color: #f7f7f7;
    border: 1px solid #ccc;
    border-radius: 3px;
    box-shadow: 0 1px 0 rgba(0,0,0,0.2);
    color: #333;
    display: inline-block;
    font-family: Monaco, monospace;
    font-size: 0.85em;
    line-height: 1;
    padding: 2px 4px;
    margin: 0 2px;
    white-space: nowrap;
}

/* Responsive Design */
@media (max-width: 600px) {
    .container {
        margin: 10px;
        padding: 15px;
    }

    .buttons {
        flex-direction: column;
    }
    
    button {
        width: 100%;
    }
    
    .nav-links {
        gap: 15px;
    }
}