:root {
    --bg-color: #f0f2f5;
    --container-bg: white;
    --text-color: #333;
    --title-color: #1a73e8;
    --input-border: #ccc;
    --button-bg: #1a73e8;
    --button-hover: #1557b0;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.dark-mode {
    --bg-color: #1f1f1f;
    --container-bg: #2d2d2d;
    --text-color: #e0e0e0;
    --title-color: #64b5f6;
    --input-border: #444;
    --button-bg: #64b5f6;
    --button-hover: #42a5f5;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    text-align: center;
}

h1 {
    color: var(--title-color);
    margin-bottom: 2rem;
}

.password-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

input {
    padding: 0.5rem;
    font-size: 1.2rem;
    border: 1px solid var(--input-border);
    border-radius: 4px;
    flex-grow: 1;
    background-color: var(--container-bg);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

button {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    background-color: var(--button-bg);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    background-color: var(--button-hover);
}

#generateButton {
    width: 100%;
    padding: 0.75rem;
    font-size: 1.1rem;
}

.theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: transparent;
    color: var(--text-color);
    font-size: 1.5rem;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    transition: transform 0.3s;
}

.theme-toggle:hover {
    transform: scale(1.1);
    background-color: transparent;
}

/* Loading spinner styles */
.loading-container {
    display: flex;
    justify-content: center;
    margin: 10px 0;
    height: 30px;
}

.spinner {
    width: 30px;
    height: 30px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--button-bg);
    animation: spin 1s ease-in-out infinite;
    display: none; /* Hidden by default */
}

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

.dark-mode .spinner {
    border-color: rgba(255, 255, 255, 0.1);
    border-top-color: var(--button-bg);
}

/* Definition styles */
.definitions-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 20px 0;
}

.definition-box {
    background-color: var(--container-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    padding: 10px;
    box-shadow: var(--box-shadow);
}

.definition-box h3 {
    margin: 0 0 8px 0;
    font-size: 1rem;
    color: var(--title-color);
    text-align: left;
}

.word-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.word {
    font-weight: bold;
    font-size: 1.1rem;
}

.definition {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.9;
    line-height: 1.4;
}

/* Media query for larger screens */
@media (min-width: 768px) {
    .definitions-container {
        flex-direction: row;
    }
    
    .definition-box {
        flex: 1;
    }
}