:root {
    --bg-color: #fdfaf6;
    --card-bg: #ffffff;
    --primary-text: #4a443f;
    --secondary-text: #8c8279;
    --accent-color: #a3b18a;
    --accent-dark: #588157;
    --border-color: #e5e0d8;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--primary-text);
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 500px;
    text-align: center;
    padding: 20px;
}

header {
    margin-bottom: 40px;
}

h1 {
    font-family: 'Fraunces', serif;
    font-size: 2.5rem;
    margin: 0;
    color: var(--primary-text);
}

.subtitle {
    font-size: 1rem;
    color: var(--secondary-text);
    margin-top: 8px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    animation: fadeUp 0.6s ease-out;
}

.card.hidden {
    display: none;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.word-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 24px;
}

h2 {
    font-family: 'Fraunces', serif;
    font-size: 3rem;
    margin: 0;
    color: var(--accent-dark);
}

#phonetic {
    font-size: 1.2rem;
    color: var(--secondary-text);
    font-style: italic;
    margin-top: 4px;
}

.details {
    text-align: left;
    margin-bottom: 32px;
}

.badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 16px;
    text-transform: lowercase;
}

#definition {
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0 0 20px 0;
}

blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 16px;
    margin: 0;
    font-style: italic;
    color: var(--secondary-text);
    font-family: 'Fraunces', serif;
}

button {
    background-color: var(--accent-dark);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.1s ease;
    font-weight: 500;
}

button:hover {
    background-color: #3a5a40;
}

button:active {
    transform: scale(0.98);
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-dark);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    color: #d64545;
}

.error.hidden {
    display: none;
}