.container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.logo {
    display: block;
    margin: 0 auto 0 auto;
    max-width: 260px;
    width: 100%;
    height: auto;
}

@media (max-width: 800px) {
    .logo {
        max-width: 180px;
        /* margin-top: 1rem; */
    }
}


@media (max-width: 600px) {
    .logo {
        max-width: 180px;
        /* margin-top: 1rem; */
    }
}

@media (max-width: 400px) {
    .logo {
        max-width: 140px;
    }
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
}

.description {
    max-width: 400px;
    text-align: center;
    margin: 1rem auto 1rem auto;
}

.puzzle-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.puzzle-box {
    margin: 1rem auto;
    border: 1px solid #000;
    padding: 1rem;
    display: block;
    max-width: 300px;
    width: auto;
    text-decoration: none;
    color: inherit;
}

.puzzle-list a {
    text-decoration: none;
    color: inherit;
}

.puzzle-box:hover {
    background-color: #f0f0f0;
    cursor: pointer;
}

.puzzle-sections {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    margin: 2rem 0;
}

.daily-puzzle-section {
    width: 100%;
    max-width: 400px;
}

.daily-puzzle-link {
    display: block;
    border: 2px solid #000;
    padding: 1rem;
    text-decoration: none;
    color: inherit;
    max-width: 400px;
    margin: 0 auto;
    transition: background-color 0.2s;
}

.daily-puzzle-link:hover {
    background-color: #f0f0f0;
    cursor: pointer;
}

.daily-puzzle-link h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
}

.daily-puzzle-link p {
    margin: 0;
    font-size: 1.2rem;
}

.puzzle-categories {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 2rem;
}

.category-link {
    padding: 1rem 2rem;
    border: 1px solid #000;
    text-decoration: none;
    color: inherit;
    transition: background-color 0.2s;
}

.category-link:hover {
    background-color: #f0f0f0;
}

.puzzle-date {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.5rem;
}

.puzzle-description {
    display: block;
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.5rem;
}

.puzzle-box.completed {
    position: relative;
    background-color: #f0f8f0;
    border-color: #4caf50;
}

.puzzle-box.completed:hover {
    background-color: #e8f5e9;
}

.completed-indicator {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    color: #4caf50;
    font-size: 1.2rem;
    font-weight: bold;
    line-height: 1;
}