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

body {
    font-family: 'Roboto', sans-serif;
    background: black;
    color: white;
    transition: background 0.3s, color 0.3s;
    line-height: 1.5;
}
:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --primary: #6366f1;
    --border: #e2e8f0;
}

[data-theme="dark"] {
    --bg: #0f172a;
    --card: #1e293b;
    --text: #f1f5f9;
    --muted: #94a3b8;
    --primary: #818cf8;
    --border: #334155;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

#loader{
    text-align: center;
    padding: 40px;
    color: khaki;
    
}
.input-word{
    box-shadow: 0 0 0 3px rgb(3, 3, 3);
}
.top-bar {
    margin-bottom: 20px;
}

.app-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-icon {
    font-size: 32px;
    color: blue;
}
.icon-btn {
    background: gray;
    border: 1px solid solid;
    padding: 8px;
    border-radius: 10px;
    cursor: pointer;
}
.search-card {
    background: gray;
    padding: 15px;
    border-radius: 14px;
    border: 1px solid solid;
    margin-bottom: 20px;
}

#search-form {
    display: flex;
    gap: 10px;
}

#input-word {
    flex: 1;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid solid;
    outline: none;
    background: transparent;
    color: white;
}

#search-form button {
    background: grey;
    color: white;
    border: none;
    padding: 12px 18px;
    border-radius: 10px;
    cursor: pointer;
}
.hidden {
    display: none;
}

#error-message {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fee2e2;
    color: #b91c1c;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 15px;
}

#loader {
    text-align: center;
    padding: 10px;
    color: grey;
}
#result-section {
    background: grey;
    padding: 20px;
    border-radius: 16px;
    border: 1px solid solid;
    margin-bottom: 20px;
}

.word-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

#word {
    font-size: 28px;
}

#phonetic {
    color: pink;
}

#save-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid solid;
    background: transparent;
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
}

#save-btn.active {
    background: grey;
    color: white;
}
.meaning {
    margin-top: 20px;
}

.part-of-speech {
    font-weight: bold;
    color: grey;
    display: block;
    margin-bottom: 8px;
}

.card {
    background: grey;
    padding: 15px;
    border-radius: 14px;
    border: 1px solid solid;
}

.card-title {
    margin-bottom: 10px;
}

.empty {
    color: red;
    font-size: 14px;
}

audio {
    margin-top: 10px;
    width: 100%;
}

.definition {
    margin-bottom: 10px;
}

.example {
    font-style: italic;
    color: white;
}
.chip-group {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    padding: 6px 10px;
    background: grey;
    border-radius: 999px;
    font-size: 12px;
    cursor: pointer;
}

@media (max-width: 600px) {
    .word-header {
        flex-direction: column;
        align-items: flex-start;
    }

    #search-form {
        flex-direction: column;
    }

    #search-form button {
        width: 100%;
    }
}