body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f8f9fa;
    color: #333;
    transition:
        background-color 0.3s,
        color 0.3s;
}

body.dark-theme {
    background-color: #1a1a1a;
    color: #f8f9fa;
}

body.dark-theme li {
    background-color: #2d2d2d;
    border-color: #444;
    color: #f8f9fa;
}

button {
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 10px;
    transition:
        background-color 0.3s,
        transform 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

#refresh-button {
    display: block;
    margin: 0 auto 15px;
}

label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    margin-bottom: 15px;
    cursor: pointer;
}

ul {
    list-style-type: none;
    padding: 0;
    display: grid;
    gap: 10px;
}

li {
    background: white;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition:
        transform 0.3s,
        box-shadow 0.3s;
}

li:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

li strong {
    font-size: 18px;
    color: inherit;
}

li p {
    margin: 5px 0;
    font-size: 16px;
    color: inherit;
}

li .button-container {
    display: flex;
    justify-content: flex-start;
    gap: 8px;
    width: 100%;
}

button i {
    font-size: 16px;
}

button.copy {
    background-color: #ffc107;
    color: black;
}

button.copy:hover {
    background-color: #e0a800;
}

button.open-link {
    background-color: #17a2b8;
}

button.open-link:hover {
    background-color: #138496;
}

button.mark-seen {
    background-color: #28a745;
}

button.mark-seen:hover {
    background-color: #218838;
}

.toast,
#refresh-status {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 8px;
    font-size: 16px;
    text-align: center;
    display: none;
    opacity: 0;
    transition:
        opacity 0.5s ease-in-out,
        transform 0.5s ease-in-out;
    z-index: 1000;
    transform: translateX(100%);
}

.toast {
    background-color: rgba(0, 0, 0, 0.9);
    color: white;
}

#refresh-status {
    background-color: rgba(0, 123, 255, 0.9);
    color: white;
}

.toast.show,
#refresh-status.show {
    opacity: 1;
    transform: translateX(0);
}

#upload-file-button {
    background-color: #6c757d;
    color: white;
}

#upload-file-button:hover {
    background-color: #5a6268;
}