* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f0f0f0;
}

.container {
    max-width: 600px;
    margin: auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    color: #333;
    font-size: 24px;
}

#paragraph-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
    width: 100%;
    max-width: 600px;
    margin: auto;
    font-size: 16px;
    overflow-wrap: break-word;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    color: #666;
}

.input-group textarea, 
.input-group input {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.button-group {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    flex-grow: 1;
    margin: 0 5px;
}

button:hover {
    background-color: #45a049;
}

.output-group {
    margin-top: 20px;
}

.output-group label {
    display: block;
    margin-bottom: 5px;
    color: #666;
}

.output-group textarea {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical;
    min-height: 100px;
}

.stored-encryptions-container {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
}

ul {
    list-style-type: none;
    padding: 0;
}

ul li {
    padding: 10px;
    background-color: #f9f9f9;
    margin-bottom: 5px;
    border-radius: 4px;
    border: 1px solid #ddd;
    word-break: break-all;
}

.stored-item {
    display: flex;
    flex-direction: column;
}

.stored-item-text {
    margin-bottom: 10px;
}

.stored-item-buttons {
    display: flex;
    justify-content: flex-end;
}

.copy-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    margin-left: 10px;
    margin-top: 10px;
    font-size: 14px;
}

.copy-btn:hover {
    background-color: #45a049;
}

.delete-btn {
    background-color: #f44336;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    margin-left: 10px;
    margin-top: 10px;
    font-size: 14px;
}

.delete-btn:hover {
    background-color: #8b231b;
}

.stored-item-buttons {
    flex-direction: column;
    align-items: flex-start;
}

.delete-btn, 
    .copy-btn {
        margin: 5px 0;
        margin-top: 10px;
        width: 100%;
    }

.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 400px;
    border-radius: 5px;
    text-align: center;
}

.modal-content h2 {
    margin-top: 0;
}

.modal-content button {
    margin-top: 20px;
}

#confirm-delete {
    background-color: #f44336;
}

#confirm-delete:hover {
    background-color: #d32f2f;
}

#cancel-delete {
    background-color: #ccc;
    color: #000;
}

#cancel-delete:hover {
    background-color: #bbb;
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 15px;
    }

    h1 {
        font-size: 20px;
    }

    .button-group {
        flex-direction: column;
    }

    button {
        margin: 5px 0;
    }

    .stored-encryptions-container {
        max-height: 200px;
    }

    .stored-item-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .delete-btn, 
    .copy-btn {
        margin: 5px 0;
        width: 100%;
    }
}