:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #4cc9f0;
    --text-color: #2b2d42;
    --light-text: #6c757d;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --error-color: #e63946;
    --success-color: #2a9d8f;
    --border-radius: 16px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary-color: #4895ef;
    --secondary-color: #4361ee;
    --accent-color: #4cc9f0;
    --text-color: #f8f9fa;
    --light-text: #adb5bd;
    --bg-color: #212529;
    --card-bg: #2b2d42;
    --error-color: #ff758f;
    --success-color: #80ffdb;
}

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

body {
    font-family: "Poppins", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: var(--transition);
}

.app-container {
    max-width: 800px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.5rem;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    z-index: 10;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.logo-title {
  display: flex;
  align-items: center;
  gap: 0; 
  margin: 0;
  line-height: 1;
}

.header-icon {
  width: 70px; 
  height: 70px;
  margin-right: -5px;
  position: relative;
  top: 5px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}
.header-buttons {
    position: absolute;
    right: 0;
    top: 0;
    display: flex;
    gap: 10px;
}

h1 {
    font-family: "Playfair Display", serif;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.tagline {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 300;
}

main {
    flex: 1;
    padding: 1.5rem;
}

.search-container {
    margin-bottom: 2rem;
    position: relative;
}

.search-box {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.search-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.search-icon {
    position: absolute;
    left: 1rem;
    color: var(--light-text);
    font-size: 1rem;
    z-index: 1;
}

.search-input-wrapper input {
    width: 100%;
    padding: 1rem 3rem 1rem 2.5rem; 
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--card-bg);
    color: var(--text-color);
}


.search-box input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.clear-btn {
    position: absolute;
    right: 0.5rem; 
    background: none;
    border: none;
    color: var(--light-text);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.5rem; 
    z-index: 2; 
    transition: var(--transition);
}

.clear-btn:hover {
    color: var(--primary-color);
}

.primary-btn {
    padding: 0 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.primary-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.primary-btn:active {
    transform: translateY(0);
}

.icon-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.suggestions {
    position: absolute;
    width: 100%;
    max-height: 300px;
    overflow-y: auto;
    background: var(--card-bg);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--box-shadow);
    z-index: 100;
    display: none;
    border: 1px solid #e9ecef;
    border-top: none;
}

.suggestion-item {
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-color);
}

.suggestion-item:hover {
    background-color: rgba(67, 97, 238, 0.1);
}

.result-container {
    flex: 1;
    position: relative;
}

.loading {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(67, 97, 238, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.result {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.welcome-message {
    text-align: center;
    padding: 1rem;
}

.welcome-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.welcome-message h2 {
    font-family: "Playfair Display", serif;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.welcome-message p {
    margin-bottom: 2rem;
    color: var(--light-text);
}

.quick-tips {
    background: rgba(67, 97, 238, 0.05);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: left;
    margin-top: 2rem;
}

.quick-tips h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.quick-tips ul {
    list-style-type: none;
}

.quick-tips li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.quick-tips li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.word-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.word-title {
    font-family: "Playfair Display", serif;
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 600;
    line-height: 1.2;
}

.phonetic {
    color: var(--light-text);
    font-style: italic;
    margin: 0.5rem 0;
}

.play-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.play-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
}

.part-of-speech {
    font-weight: 600;
    color: var(--primary-color);
    margin: 1.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(67, 97, 238, 0.1);
    display: inline-block;
    font-style: italic;
}

.definition {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.definition:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.example {
    font-style: italic;
    color: var(--light-text);
    margin: 0.5rem 0 1rem 1.5rem;
    padding-left: 1rem;
    border-left: 3px solid var(--primary-color);
}

.synonyms {
    margin-top: 1.5rem;
}

.synonyms-title {
    font-weight: 500;
    color: var(--light-text);
    margin-bottom: 0.5rem;
}

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

.synonym {
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.synonym:hover {
    background: rgba(67, 97, 238, 0.2);
}

.error {
    color: var(--error-color);
    text-align: center;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.error i {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--light-text);
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--primary-color);
}

.features {
    margin: 1.5rem 0;
}

.features h3 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.features ul {
    list-style-position: inside;
    padding-left: 1.5rem;
}

.features li {
    margin-bottom: 0.5rem;
}

.attribution {
    font-size: 0.9rem;
    color: var(--light-text);
    text-align: center;
    margin-top: 1.5rem;
}

.developer-credit {
    text-align: center;
    margin-top: 20px;
    padding: 10px 0;
    color: var(--light-text);
    font-size: 0.9rem;
    border-top: 1px solid rgba(0,0,0,0.1);
}

[data-theme="dark"] .developer-credit {
    color: var(--light-text);
    border-top: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 768px) {
    .search-box {
        flex-direction: column;
    }

    .search-box button {
        width: 100%;
        padding: 1rem;
        justify-content: center;
    }

    search-input-wrapper input {
    padding-right: 2.5rem; 
  }

  .clear-btn {
    right: 0.25rem !important; 
    transform: none !important;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .word-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .play-btn {
        margin-top: 1rem;
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1rem;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .result {
        padding: 1.5rem;
    }
    
    .word-title {
        font-size: 1.8rem;
    }
}