body {
    font-family: 'Roboto', sans-serif;
    background: #121212;
    color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    width: 100%;
    max-width: 800px;
}

.search-container {
    display: flex;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-radius: 50px;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.search-box {
    flex-grow: 1;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    background: #1e1e1e;
    color: #e0e0e0;
    outline: none;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.search-button {
    border: none;
    padding: 0 1.5rem;
    background: #bb86fc;
    color: #121212;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.search-button:active {
    transform: scale(0.95);
}

.word-title-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.favorite-button {
    background: none;
    border: none;
    color: #a0a0a0;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    transition: color 0.3s ease, transform 0.2s ease;
}

.favorite-button.favorited {
    color: #ff4d4d;
    fill: #ff4d4d;
    transform: scale(1.2);
}

.favorite-button:hover {
    color: #bb86fc;
}

.favorite-button:active {
    transform: scale(0.9);
}

.favorites-container {
    margin-top: 2rem;
}

.favorites-container h4 {
    color: #bb86fc;
    border-bottom: 1px solid #333;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    transition: color 0.3s ease, border-bottom-color 0.3s ease;
}

.favorites-container .related-words-list a {
    background: #333;
    color: #e0e0e0;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.favorites-container .related-words-list a:hover {
    background: #bb86fc;
    color: #121212;
    transform: translateY(-2px);
}

.history-container {
    margin-bottom: 2rem;
}

.history-container h4 {
    color: #bb86fc;
    border-bottom: 1px solid #333;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    transition: color 0.3s ease, border-bottom-color 0.3s ease;
}

.history-container .related-words-list a {
    background: #333;
    color: #e0e0e0;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.history-container .related-words-list a:hover {
    background: #bb86fc;
    color: #121212;
    transform: translateY(-2px);
}

.word-display {
    background: #1e1e1e;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    transition: all 0.5s ease-in-out;
    min-height: 400px;
}

.skeleton-loader {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 2rem;
}

.skeleton-image {
    width: 100%;
    height: 300px;
    background: linear-gradient(90deg, #2a2a2a 25%, #3a3a3a 50%, #2a2a2a 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.skeleton-details {
    padding: 0 1rem;
}

.skeleton-line {
    height: 1.2em;
    background: linear-gradient(90deg, #2a2a2a 25%, #3a3a3a 50%, #2a2a2a 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 0.8rem;
}

.skeleton-line.skeleton-title {
    width: 70%;
    height: 2.5em;
    margin-bottom: 1.5rem;
}

.skeleton-line.skeleton-phonetic {
    width: 40%;
    height: 1.5em;
    margin-bottom: 2rem;
}

.skeleton-line.short {
    width: 60%;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.actual-content {
    display: none;
    flex-direction: column;
    width: 100%;
}

/* Light Theme Skeleton */
body.light-theme .skeleton-image,
body.light-theme .skeleton-line {
    background: linear-gradient(90deg, #e0e0e0 25%, #f0f0f0 50%, #e0e0e0 75%);
    background-size: 200% 100%;
}

.word-image-container {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

#word-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.word-display:hover #word-image {
    transform: scale(1.05);
}

.word-details {
    padding: 2rem;
}

#word-title {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin: 0 0 0.5rem 0;
    color: #bb86fc;
    transition: color 0.3s ease;
}

#word-phonetic {
    font-style: italic;
    color: #a0a0a0;
    margin-bottom: 0;
    transition: color 0.3s ease;
}

.phonetic-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.audio-button {
    background: none;
    border: none;
    color: #bb86fc;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    transition: color 0.3s ease, transform 0.2s ease;
}

.audio-button:hover {
    color: #a06cd5;
}

.audio-button:active {
    transform: scale(0.9);
}

#word-definition {
    font-size: 1.1rem;
    line-height: 1.8;
}

#word-definition a {
    color: #e0e0e0;
    text-decoration: none;
    cursor: pointer;
    border-bottom: 1px dotted rgba(224, 224, 224, 0.5);
    transition: color 0.3s ease, border-bottom-color 0.3s ease;
}

#word-definition a:hover {
    color: #bb86fc;
    border-bottom-color: #bb86fc;
}

.related-words-container {
    margin-top: 2rem;
}

.related-words-container h4 {
    color: #bb86fc;
    border-bottom: 1px solid #333;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    transition: color 0.3s ease, border-bottom-color 0.3s ease;
}

.related-words-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.related-words-list a {
    background: #333;
    color: #e0e0e0;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.related-words-list a:hover {
    background: #bb86fc;
    color: #121212;
    transform: translateY(-2px);
}

.etymology-container {
    margin-top: 2rem;
}

.etymology-container h4 {
    color: #bb86fc;
    border-bottom: 1px solid #333;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    transition: color 0.3s ease, border-bottom-color 0.3s ease;
}

.etymology-container p {
    font-size: 1rem;
    line-height: 1.6;
    color: #a0a0a0;
    transition: color 0.3s ease;
}

.loader-container {
    text-align: center;
    padding: 3rem;
}

.loader {
    border: 5px solid #333;
    border-top: 5px solid #bb86fc;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-container {
    text-align: center;
    padding: 2rem;
    background: #2a2a2a;
    border-radius: 10px;
    margin-top: 1rem;
    transition: background-color 0.3s ease;
}

.theme-toggle {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: #e0e0e0;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.1);
}

.theme-toggle:active {
    transform: scale(0.9);
}

/* Light Theme */
body.light-theme {
    background: #f0f2f5;
    color: #333;
}

body.light-theme .search-container {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

body.light-theme .search-box {
    background: #f8f8f8;
    color: #333;
}

body.light-theme .search-button {
    background: #6200ee;
    color: #ffffff;
}

body.light-theme .search-button:hover {
    background: #3700b3;
}

body.light-theme #word-title {
    color: #6200ee;
}

body.light-theme #word-phonetic {
    color: #666;
}

body.light-theme #word-definition a {
    color: #333;
    border-bottom-color: rgba(51, 51, 51, 0.5);
}

body.light-theme #word-definition a:hover {
    color: #6200ee;
    border-bottom-color: #6200ee;
}

body.light-theme .audio-button {
    color: #6200ee;
}

body.light-theme .audio-button:hover {
    color: #3700b3;
}

body.light-theme .related-words-container h4,
body.light-theme .history-container h4,
body.light-theme .favorites-container h4,
body.light-theme .etymology-container h4 {
    color: #6200ee;
    border-bottom-color: #eee;
}

body.light-theme .related-words-list a,
body.light-theme .history-container .related-words-list a,
body.light-theme .favorites-container .related-words-list a {
    background: #e0e0e0;
    color: #333;
}

body.light-theme .related-words-list a:hover,
body.light-theme .history-container .related-words-list a:hover,
body.light-theme .favorites-container .related-words-list a:hover {
    background: #6200ee;
    color: #ffffff;
}

body.light-theme .favorite-button {
    color: #666;
}

body.light-theme .favorite-button.favorited {
    color: #ff4d4d;
    fill: #ff4d4d;
}

body.light-theme .favorite-button:hover {
    color: #6200ee;
}

body.light-theme .loader {
    border-top-color: #6200ee;
}

body.light-theme .theme-toggle {
    color: #333;
}

body.light-theme .theme-toggle:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .theme-toggle {
        top: 0.5rem;
        right: 0.5rem;
        padding: 0.3rem;
    }

    .search-container {
        margin-top: 3rem; /* Add space for the toggle */
    }
}