/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 2rem 1rem;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

/* ===== HEADER ===== */
header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 3rem;
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.tagline {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

/* ===== SEARCH SECTION ===== */
.search-section {
    margin-bottom: 2rem;
    position: relative;
}

.search-box {
    display: flex;
    gap: 1rem;
    background: white;
    padding: 1rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

#searchInput {
    flex: 1;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    outline: none;
    transition: all 0.3s ease;
}

#searchInput:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

#searchBtn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

#searchBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

#searchBtn:active {
    transform: translateY(0);
}

/* ===== SUGGESTIONS ===== */
.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    margin-top: 0.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    max-height: 300px;
    overflow-y: auto;
    z-index: 10;
}

.suggestions.hidden {
    display: none;
}

.suggestion-item {
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: background 0.2s ease;
    border-bottom: 1px solid #f0f0f0;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover {
    background: #f5f5f5;
}

/* ===== LOADING ===== */
.loading {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.loading.hidden {
    display: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.loading p {
    color: #666;
    font-size: 1.1rem;
}

/* ===== ERROR ===== */
.error {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.error.hidden {
    display: none;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.error h3 {
    color: #e74c3c;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.error p {
    color: #666;
    margin-bottom: 1.5rem;
}

.try-again-btn {
    padding: 0.75rem 2rem;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.try-again-btn:hover {
    background: #5568d3;
}

/* ===== RESULTS ===== */
.results {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.results.hidden {
    display: none;
}

.word-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #f0f0f0;
}

.word-title {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.phonetic {
    font-size: 1.2rem;
    color: #7f8c8d;
    font-style: italic;
}

.audio-btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.audio-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.audio-btn.hidden {
    display: none;
}

/* ===== MEANINGS ===== */
.meanings {
    margin-bottom: 2rem;
}

.meaning-block {
    margin-bottom: 2rem;
}

.part-of-speech {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.definition-item {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.definition-item::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-size: 1.5rem;
}

.definition {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.example {
    font-style: italic;
    color: #7f8c8d;
    padding: 0.75rem;
    background: #f8f9fa;
    border-left: 3px solid #667eea;
    border-radius: 5px;
    margin-top: 0.5rem;
}

.example::before {
    content: '"';
    font-size: 1.5rem;
    color: #667eea;
}

.example::after {
    content: '"';
    font-size: 1.5rem;
    color: #667eea;
}

/* ===== ORIGIN ===== */
.origin {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.origin.hidden {
    display: none;
}

.origin h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.origin p {
    color: #555;
    line-height: 1.6;
}

/* ===== RELATED WORDS ===== */
.related-words {
    margin-bottom: 2rem;
}

.related-words.hidden {
    display: none;
}

.synonyms, .antonyms {
    margin-bottom: 1.5rem;
}

.synonyms.hidden, .antonyms.hidden {
    display: none;
}

.related-words h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.word-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.word-chip {
    padding: 0.5rem 1rem;
    background: white;
    border: 2px solid #667eea;
    color: #667eea;
    border-radius: 20px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.word-chip:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* ===== SOURCE ===== */
.source {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px solid #f0f0f0;
    text-align: center;
}

.source p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.source a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.source a:hover {
    text-decoration: underline;
}

/* ===== RECENT SEARCHES ===== */
.recent-searches {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.recent-searches.hidden {
    display: none;
}

.recent-searches h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.recent-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.recent-item {
    padding: 0.5rem 1rem;
    background: #f8f9fa;
    border: 2px solid #e0e0e0;
    color: #2c3e50;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.recent-item:hover {
    border-color: #667eea;
    background: #667eea;
    color: white;
}

/* ===== SAMPLE WORDS ===== */
.sample-words {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    margin-top: 2rem;
}

.sample-words h3 {
    color: white;
    margin-bottom: 1rem;
    text-align: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .search-box {
        flex-direction: column;
    }

    #searchBtn {
        justify-content: center;
    }

    .word-title {
        font-size: 2rem;
    }

    .word-header {
        flex-direction: column;
        gap: 1rem;
    }

    .audio-btn {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 1rem 0.5rem;
    }

    header h1 {
        font-size: 1.75rem;
    }

    .search-box {
        padding: 0.75rem;
    }

    #searchInput {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }

    #searchBtn {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .results {
        padding: 1.5rem;
    }

    .word-title {
        font-size: 1.75rem;
    }
}